/* ------------------------------------------------------------------
   Portal do Conhecimento — paleta preto + verde, com modo claro
   ------------------------------------------------------------------ */

:root {
    --portal-accent: #22c55e;
    --portal-accent-hover: #16a34a;
    --portal-accent-soft: rgba(34, 197, 94, 0.15);
}

/* Modo escuro (padrão) */
:root,
[data-bs-theme="dark"] {
    --portal-bg: #0f0f11;
    --portal-bg-elev: #17171d;
    --portal-bg-elev-2: #1c1c24;
    --portal-border: #2a2a30;
    --portal-text: #f2f2f2;
    --portal-text-muted: #a1a1aa;
    --portal-sidebar: #14141a;
    --portal-shadow: rgba(0, 0, 0, .45);
}

/* Modo claro */
[data-bs-theme="light"] {
    --portal-bg: #f6f7f9;
    --portal-bg-elev: #ffffff;
    --portal-bg-elev-2: #ffffff;
    --portal-border: #e4e6ea;
    --portal-text: #14181f;
    --portal-text-muted: #5b6270;
    --portal-sidebar: #ffffff;
    --portal-shadow: rgba(15, 23, 42, .08);
}

body {
    background-color: var(--portal-bg);
    color: var(--portal-text);
    /* dvh (dynamic viewport height) desconta a scrollbar reservada. Com 100vh o
       body ficava ~15px maior que a area visivel no Chrome/Edge, disparando
       scrollbar mesmo quando o conteudo cabia. */
    min-height: 100dvh;
}

/* Navbar sempre escura por consistência de marca */
.portal-navbar {
    background: #0a0a0d !important;
    border-bottom: 1px solid #1e1e24;
}

.portal-navbar .navbar-brand,
.portal-navbar .navbar-brand:hover {
    color: var(--portal-accent);
    font-weight: 600;
}

.portal-navbar .navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    letter-spacing: -.015em;
}

.portal-navbar-logo {
    border-radius: .55rem;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .08);
}

.portal-navbar .nav-link {
    color: #d4d4d8;
}

.portal-navbar .nav-link:hover {
    color: #ffffff;
}

/* Botão de alternância de tema */
.btn-tema {
    background: transparent;
    border: 1px solid #2a2a30;
    color: #d4d4d8;
    border-radius: .5rem;
    padding: .35rem .7rem;
    line-height: 1;
}
.btn-tema:hover {
    color: #fff;
    border-color: var(--portal-accent);
}
.btn-tema .tema-icone { font-size: 1.05rem; }

/* Cards de curso */
.card-curso {
    background: var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    color: var(--portal-text);
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    overflow: hidden;
    box-shadow: 0 1px 2px var(--portal-shadow);
}
.card-curso:hover {
    transform: translateY(-2px);
    border-color: var(--portal-accent);
    box-shadow: 0 8px 24px var(--portal-shadow);
}
.card-curso .capa {
    aspect-ratio: 16 / 9;
    background: var(--portal-bg-elev-2) center / cover no-repeat;
    border-bottom: 1px solid var(--portal-border);
}

/* Barra de progresso fina, sempre verde */
.progress-slim {
    height: 6px;
    background: var(--portal-bg-elev-2);
    border-radius: 4px;
    overflow: hidden;
}
.progress-slim .progress-bar {
    background: var(--portal-accent);
}

/* Sidebar (admin e aula) */
.admin-sidebar,
.aula-sidebar {
    background: var(--portal-sidebar);
    min-height: calc(100vh - 60px);
    border-right: 1px solid var(--portal-border);
}
.admin-sidebar .nav-link,
.aula-sidebar .nav-link {
    color: var(--portal-text-muted);
    padding: .55rem .9rem;
    border-radius: .375rem;
}
.admin-sidebar .nav-link:hover,
.aula-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active,
.aula-sidebar .nav-link.active {
    color: var(--portal-text);
    background: var(--portal-bg-elev-2);
}
.aula-sidebar .aula-item {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
    padding: .5rem .75rem;
    border-radius: .375rem;
    color: var(--portal-text-muted);
    text-decoration: none;
    line-height: 1.3;
}
.aula-sidebar .aula-item:hover {
    background: var(--portal-bg-elev-2);
    color: var(--portal-text);
}
.aula-sidebar .aula-item.ativa {
    background: var(--portal-accent-soft);
    color: var(--portal-text);
    border-left: 3px solid var(--portal-accent);
    padding-left: calc(.75rem - 3px);
}
.aula-sidebar .aula-item .icone {
    color: var(--portal-text-muted);
    width: 1rem;
    text-align: center;
}
.aula-sidebar .aula-item.concluida .icone { color: var(--portal-accent); }
.aula-sidebar .modulo-titulo {
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--portal-text-muted);
    margin: 1rem .75rem .25rem;
}

/* Login — portal editorial, inspirado nas proporções 1:1 da marca AprovaAi */
.auth-shell {
    background: #06110d;
}

.auth-shell .portal-navbar,
.auth-shell > footer {
    display: none;
}

.auth-shell > main {
    padding: 0 !important;
}

.login-stage {
    position: relative;
    isolation: isolate;
    display: grid;
    /* Unico ponto onde declaramos altura minima da viewport, com dvh que respeita
       reserva de scrollbar. `main` deixa de ter min-height propria (evita conflito
       de 1px que criava scroll indevido). */
    min-height: 100dvh;
    place-items: center;
    /* clip nos dois eixos: as glows decorativas (.login-glow-bottom fica a
       bottom:-15rem = -240px) vazavam pra baixo e criavam 240px de scroll.
       `clip` (nao `hidden`) apenas recorta, sem nunca virar container rolavel. */
    overflow: clip;
    padding: 2rem;
    box-sizing: border-box;
    background:
        linear-gradient(145deg, rgba(6, 63, 44, .46), transparent 44%),
        radial-gradient(circle at 90% 15%, rgba(0, 181, 72, .11), transparent 26%),
        #06110d;
}

.login-stage::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .025) 1px, transparent 1px);
    background-size: 44px 44px;
    content: "";
    mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.login-glow {
    position: absolute;
    z-index: -1;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    filter: blur(90px);
    opacity: .15;
    pointer-events: none;
}

.login-glow-top {
    top: -12rem;
    right: -6rem;
    background: #00d45a;
}

.login-glow-bottom {
    bottom: -15rem;
    left: -7rem;
    background: #0b7651;
}

.login-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(336px, .92fr);
    width: min(864px, 100%);
    min-height: 512px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 2rem;
    background: var(--portal-bg-elev);
    box-shadow: 0 34px 90px rgba(0, 0, 0, .48);
}

.login-brand-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 2.5rem;
    background:
        radial-gradient(circle at 15% 10%, rgba(0, 181, 72, .24), transparent 30%),
        linear-gradient(145deg, #073f2c, #031c14 76%);
}

.login-brand-panel::after {
    position: absolute;
    right: -12rem;
    bottom: -12rem;
    width: 30rem;
    height: 30rem;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 50%;
    box-shadow: 0 0 0 4rem rgba(255, 255, 255, .025), 0 0 0 8rem rgba(255, 255, 255, .018);
    content: "";
}

.login-brand-frame {
    position: relative;
    z-index: 1;
    width: min(100%, 344px);
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 1.75rem;
    background: #f7faf8;
    box-shadow: 0 28px 60px rgba(0, 0, 0, .3);
    transform: rotate(-1.5deg);
    transition: transform .35s ease, box-shadow .35s ease;
}

.login-panel:hover .login-brand-frame {
    box-shadow: 0 34px 72px rgba(0, 0, 0, .36);
    transform: rotate(0deg) translateY(-3px);
}

.login-brand-logo {
    display: block;
    width: 100%;
    height: 100%;
}

.login-brand-message {
    position: relative;
    z-index: 1;
    margin: 1.5rem 0 0;
    color: rgba(255, 255, 255, .72);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.login-form-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.25rem 2.5rem 1rem;
    background: var(--portal-bg-elev);
}

.login-theme-toggle {
    /* No fluxo (nao absolute) para nao sobrepor o titulo. Fica no topo do
       form-panel, alinhado a direita, seguido pelo login-form-content abaixo. */
    align-self: flex-end;
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    min-height: 2.4rem;
    padding: .35rem .65rem;
    border: 1px solid var(--portal-border);
    border-radius: 999px;
    background: var(--portal-bg-elev-2);
    color: var(--portal-text-muted);
    font-size: .75rem;
    font-weight: 600;
    transition: border-color .15s ease, color .15s ease, transform .15s ease;
}

.login-theme-toggle:hover {
    border-color: var(--portal-accent);
    color: var(--portal-text);
    transform: translateY(-1px);
}

.login-form-content {
    width: 100%;
    max-width: 360px;
    margin: auto;
}

.login-form-content h1 {
    margin: .6rem 0 .4rem;
    color: var(--portal-text);
    font-family: Georgia, Cambria, serif;
    font-size: clamp(1.9rem, 3.2vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -.045em;
    line-height: 1.02;
}

.login-intro {
    margin-bottom: 1.5rem;
    color: var(--portal-text-muted);
    font-size: .9rem;
    line-height: 1.55;
}

.login-validation:not(:empty) {
    margin-bottom: 1.25rem;
    padding: .75rem 1rem;
    border: 1px solid rgba(220, 53, 69, .35);
    border-radius: .75rem;
    background: rgba(220, 53, 69, .08);
}

.login-field {
    margin-bottom: .9rem;
}

.login-field .form-label {
    margin-bottom: .5rem;
    color: var(--portal-text);
    font-size: .82rem;
    font-weight: 700;
}

.login-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.login-forgot-link {
    font-size: .76rem;
    font-weight: 600;
}

.login-input {
    min-height: 2.75rem;
    border-color: var(--portal-border);
    border-radius: .8rem;
    background: var(--portal-bg-elev-2);
    color: var(--portal-text);
    box-shadow: none;
}

.login-input:focus {
    border-color: var(--portal-accent);
    background: var(--portal-bg-elev-2);
    color: var(--portal-text);
    box-shadow: 0 0 0 .22rem var(--portal-accent-soft);
}

.login-remember {
    margin: .2rem 0 1rem;
    color: var(--portal-text-muted);
    font-size: .83rem;
}

.login-remember .form-check-input:checked {
    border-color: var(--portal-accent);
    background-color: var(--portal-accent);
}

.login-submit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 2.85rem;
    padding: .6rem 1rem;
    border-radius: .8rem;
    box-shadow: 0 12px 28px rgba(0, 169, 67, .2);
}

.login-submit-arrow {
    display: inline-grid;
    width: 1.8rem;
    height: 1.8rem;
    place-items: center;
    border-radius: 50%;
    background: rgba(6, 17, 13, .13);
    font-size: 1.15rem;
    transition: transform .15s ease;
}

.login-submit:hover .login-submit-arrow {
    transform: translateX(3px);
}

.login-footer-copy {
    margin: 1rem 0 0;
    color: var(--portal-text-muted);
    font-size: .72rem;
    text-align: center;
}

/* Player da aula e navegação entre vídeos */
.aula-player-shell {
    display: grid;
    grid-template-columns: 3.25rem minmax(0, 1fr) 3.25rem;
    gap: .5rem;
    align-items: center;
}

.aula-player-nav {
    display: inline-flex;
    flex-direction: column;
    gap: .45rem;
    align-items: center;
    justify-self: center;
    color: var(--portal-text-muted);
    text-decoration: none;
    transition: color .18s ease;
}

.aula-player-nav__icone {
    display: grid;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border: 1px solid var(--portal-border);
    border-radius: 50%;
    background: var(--portal-bg-elev);
    box-shadow: 0 10px 28px -18px var(--portal-shadow);
    transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.aula-player-nav__icone svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.aula-player-nav__rotulo {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.aula-player-nav:hover,
.aula-player-nav:focus-visible {
    color: var(--portal-accent);
}

.aula-player-nav:hover .aula-player-nav__icone,
.aula-player-nav:focus-visible .aula-player-nav__icone {
    border-color: var(--portal-accent);
    background: var(--portal-accent-soft);
    box-shadow: 0 12px 30px -16px var(--portal-accent);
}

.aula-player-nav--anterior:hover .aula-player-nav__icone,
.aula-player-nav--anterior:focus-visible .aula-player-nav__icone {
    transform: translateX(-3px);
}

.aula-player-nav--proxima:hover .aula-player-nav__icone,
.aula-player-nav--proxima:focus-visible .aula-player-nav__icone {
    transform: translateX(3px);
}

.aula-player-nav:focus-visible {
    border-radius: .45rem;
    outline: 2px solid var(--portal-accent);
    outline-offset: 4px;
}

.aula-player-nav.is-disabled {
    cursor: default;
    opacity: .24;
}

.player-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: .5rem;
    overflow: hidden;
}
.player-wrapper iframe {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border: 0;
}

@media (max-width: 767.98px) {
    .aula-player-shell {
        grid-template-columns: 1fr 1fr;
        gap: .75rem 1rem;
    }

    .aula-player-shell .player-wrapper {
        grid-column: 1 / -1;
        grid-row: 1;
    }

    .aula-player-nav {
        flex-direction: row;
        gap: .55rem;
    }

    .aula-player-nav--anterior {
        grid-column: 1;
        grid-row: 2;
        justify-self: start;
    }

    .aula-player-nav--proxima {
        grid-column: 2;
        grid-row: 2;
        justify-self: end;
    }

    .aula-player-nav__icone {
        width: 2.75rem;
        height: 2.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .aula-player-nav,
    .aula-player-nav__icone {
        transition: none;
    }
}

/* Botões e links no verde da marca — sobrepondo o "warning" antigo */
.btn-portal {
    background: var(--portal-accent);
    color: #08110a;
    border: 1px solid var(--portal-accent);
    font-weight: 600;
}
.btn-portal:hover, .btn-portal:focus {
    background: var(--portal-accent-hover);
    border-color: var(--portal-accent-hover);
    color: #08110a;
}
.btn-portal-outline {
    background: transparent;
    color: var(--portal-accent);
    border: 1px solid var(--portal-accent);
}
.btn-portal-outline:hover {
    background: var(--portal-accent);
    color: #08110a;
}

.text-portal { color: var(--portal-accent) !important; }
.link-portal { color: var(--portal-accent); text-decoration: none; }
.link-portal:hover { color: var(--portal-accent-hover); text-decoration: underline; }

.badge-portal {
    background: var(--portal-accent-soft);
    color: var(--portal-accent);
    border: 1px solid var(--portal-accent);
}

/* Ajustes de tabelas e alerts para o modo claro ficar legível */
[data-bs-theme="light"] .table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--portal-text);
}
[data-bs-theme="light"] .card-curso {
    box-shadow: 0 1px 3px var(--portal-shadow);
}

[data-bs-theme="light"] .login-panel {
    border-color: rgba(6, 63, 44, .12);
}

/* ------------------------------------------------------------------
   Editor de curso (admin) — visual tipo Hotmart
   ------------------------------------------------------------------ */

.accordion-editor .accordion-item {
    background: var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    color: var(--portal-text);
    margin-bottom: .5rem;
    border-radius: .5rem;
    overflow: hidden;
}

.accordion-editor .accordion-header {
    background: var(--portal-bg-elev);
}

.accordion-editor .accordion-button {
    background: var(--portal-bg-elev);
    color: var(--portal-text);
    box-shadow: none;
}

.accordion-editor .accordion-button:not(.collapsed) {
    background: var(--portal-bg-elev-2);
    color: var(--portal-text);
    box-shadow: none;
}

.accordion-editor .accordion-body {
    background: var(--portal-bg);
    border-top: 1px solid var(--portal-border);
}

.lista-aulas {
    list-style: none;
    padding: 0;
    margin: 0;
}

.aula-linha {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .25rem 0;
}

.aula-botao {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--portal-text);
    border: 1px solid transparent;
    border-radius: .375rem;
    padding: .5rem .75rem;
    text-align: left;
    flex-grow: 1;
    cursor: pointer;
    transition: background .1s ease, border-color .1s ease;
}

.aula-botao:hover {
    background: var(--portal-bg-elev-2);
    border-color: var(--portal-accent);
}

.aula-linha .text-muted.small {
    padding-right: .5rem;
    font-size: .75rem;
}

.modal-content {
    background: var(--portal-bg-elev);
    color: var(--portal-text);
    border: 1px solid var(--portal-border);
}

.modal-header, .modal-footer {
    border-color: var(--portal-border);
}

.nav-tabs .nav-link {
    color: var(--portal-text-muted);
    background: transparent;
    border-color: transparent;
}
.nav-tabs .nav-link.active {
    color: var(--portal-text);
    background: var(--portal-bg-elev-2);
    border-color: var(--portal-border) var(--portal-border) var(--portal-bg-elev-2);
}
.nav-tabs { border-bottom-color: var(--portal-border); }

/* Thumbnail de vídeo YouTube na listagem de aulas (funcionário) */
.aula-thumb {
    width: 64px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--portal-bg-elev-2);
    flex-shrink: 0;
}
.yt-preview {
    max-width: 320px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 6px;
    background: var(--portal-bg-elev-2);
    display: block;
    margin-top: .5rem;
}

/* Drag-and-drop de ordenação (admin) */
.handle-drag-modulo, .handle-drag-aula {
    cursor: grab;
    color: var(--portal-text-muted);
    padding: .25rem .5rem;
    user-select: none;
    font-size: 1.1rem;
    line-height: 1;
}
.handle-drag-modulo:hover, .handle-drag-aula:hover { color: var(--portal-accent); }
.ordenacao-placeholder {
    background: var(--portal-accent-soft);
    border: 1px dashed var(--portal-accent);
    border-radius: .375rem;
    list-style: none;
}
@keyframes ordenacao-flash {
    0% { box-shadow: 0 0 0 0 var(--portal-accent-soft); }
    30% { box-shadow: 0 0 0 6px var(--portal-accent-soft); }
    100% { box-shadow: 0 0 0 0 transparent; }
}
.ordenacao-ok { animation: ordenacao-flash .8s ease; }

/* Associação de usuários ao curso (admin) */
.associacao-curso {
    position: relative;
    overflow: hidden;
    padding: 1.5rem;
    background:
        radial-gradient(circle at 100% 0, var(--portal-accent-soft), transparent 32%),
        var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    border-radius: .85rem;
    box-shadow: 0 12px 30px -24px var(--portal-shadow);
}

.associacao-curso::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--portal-accent);
}

.associacao-curso__cabecalho {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.associacao-curso__etiqueta {
    display: block;
    margin-bottom: .35rem;
    color: var(--portal-accent);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.associacao-curso__contador {
    flex-shrink: 0;
    padding: .45rem .7rem;
}

.associacao-curso__form {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, .75fr);
    gap: 1.25rem;
    align-items: stretch;
}

.associacao-curso__selecao,
.associacao-curso__opcoes,
.associacao-curso__vazio {
    padding: 1rem;
    background: var(--portal-bg-elev-2);
    border: 1px solid var(--portal-border);
    border-radius: .65rem;
}

.associacao-curso .select2-container {
    width: 100% !important;
}

.associacao-curso .select2-container .select2-selection--single {
    display: flex;
    align-items: center;
    height: 42px;
    border: 1px solid var(--portal-border);
    border-radius: .45rem;
    background: var(--portal-bg-elev);
    transition: border-color .15s ease, box-shadow .15s ease;
}

.associacao-curso .select2-container--focus .select2-selection--single,
.associacao-curso .select2-container--open .select2-selection--single {
    border-color: var(--portal-accent);
    box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--portal-accent) 18%, transparent);
}

.associacao-curso .select2-selection--single .select2-selection__rendered {
    width: 100%;
    padding: 0 2.25rem 0 .85rem;
    color: var(--portal-text);
    line-height: normal;
}

.associacao-curso .select2-selection--single .select2-selection__placeholder {
    color: var(--portal-text-muted);
}

.associacao-curso .select2-selection--single .select2-selection__arrow {
    top: 0;
    right: .55rem;
    height: 100%;
}

.associacao-curso .select2-selection--single .select2-selection__clear {
    z-index: 1;
    margin-right: .4rem;
    color: var(--portal-text-muted);
}

.select2-portal-dropdown {
    overflow: hidden;
    border-color: var(--portal-border) !important;
    border-radius: .45rem !important;
    background: var(--portal-bg-elev) !important;
    color: var(--portal-text);
    box-shadow: 0 14px 32px var(--portal-shadow);
}

.select2-portal-dropdown .select2-search--dropdown {
    padding: .65rem;
}

.select2-portal-dropdown .select2-search__field {
    border: 1px solid var(--portal-border) !important;
    border-radius: .35rem;
    background: var(--portal-bg-elev-2);
    color: var(--portal-text);
    outline: none;
}

.select2-portal-dropdown .select2-results__option {
    padding: .65rem .85rem;
}

.select2-portal-dropdown .select2-results__option--selected {
    background: var(--portal-accent-soft);
}

.select2-portal-dropdown .select2-results__option--highlighted.select2-results__option--selectable {
    background: var(--portal-accent);
    color: #fff;
}

.associacao-curso__opcoes {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.associacao-curso__obrigatorio {
    display: flex;
    gap: .7rem;
    align-items: flex-start;
    margin: .15rem 0;
    padding: .8rem;
    background: var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    border-radius: .55rem;
}

.associacao-curso__obrigatorio .form-check-input {
    flex-shrink: 0;
    margin-top: .25rem;
}

.associacao-curso__obrigatorio span {
    display: block;
    margin-top: .15rem;
    color: var(--portal-text-muted);
    font-size: .78rem;
    line-height: 1.35;
}

.associacao-curso__acao {
    width: 100%;
    margin-top: auto;
}

.associacao-curso__acao:disabled {
    cursor: not-allowed;
    filter: saturate(.35);
    opacity: .5;
}

.associacao-curso__vazio {
    display: flex;
    align-items: center;
    gap: .8rem;
    color: var(--portal-text-muted);
}

.associacao-curso__vazio strong {
    color: var(--portal-text);
}

.associacao-curso__vazio .btn {
    margin-left: auto;
}

/* ------------------------------------------------------------------
   Ajustes responsivos mobile (breakpoint <768 px)
   ------------------------------------------------------------------ */

body { overflow-x: hidden; }

@media (max-width: 767.98px) {
    .login-stage { padding: 1rem; }
    .login-panel {
        grid-template-columns: 1fr;
        width: min(100%, 540px);
        min-height: auto;
        border-radius: 1.5rem;
    }
    .login-brand-panel { min-height: 300px; padding: 2rem; }
    .login-brand-frame { width: 230px; border-radius: 1.25rem; }
    .login-brand-message { margin-top: 1rem; font-size: .64rem; }
    .login-form-panel { min-height: 560px; padding: 4.5rem 2rem 1.5rem; }

    .associacao-curso { padding: 1.1rem; }
    .associacao-curso__cabecalho,
    .associacao-curso__vazio { align-items: stretch; flex-direction: column; }
    .associacao-curso__contador { align-self: flex-start; }
    .associacao-curso__form { grid-template-columns: 1fr; }
    .associacao-curso__vazio .btn { margin-left: 0; }

    .curso-editor .d-flex.justify-content-between.align-items-start,
    main .d-flex.justify-content-between.align-items-start.mb-4 {
        flex-wrap: wrap;
        gap: .75rem;
    }
    main .d-flex.justify-content-between.align-items-start > a.btn,
    main .d-flex.justify-content-between.align-items-start > .d-flex {
        width: 100%;
    }

    .accordion-editor .accordion-header {
        flex-wrap: wrap;
        gap: .5rem !important;
        padding: .5rem;
    }
    .accordion-editor .accordion-button { min-width: 0; }
    .accordion-editor .accordion-header > .btn,
    .accordion-editor .accordion-header > form {
        flex: 1 0 auto;
    }

    .navbar-brand { font-size: 1rem; }
    .btn-tema .tema-label { display: none !important; }

    .breadcrumb { flex-wrap: wrap; }
    .breadcrumb-item { max-width: 100%; overflow-wrap: anywhere; }

    /* Botões alvo maior de toque (44px min) */
    .btn { min-height: 40px; }
    .btn-sm { min-height: 34px; }

    /* Tabelas sempre com scroll horizontal interno */
    .table-responsive { -webkit-overflow-scrolling: touch; }

    /* Sidebar admin vira acima do conteúdo em mobile */
    .admin-sidebar { min-height: auto; border-right: none; border-bottom: 1px solid var(--portal-border); }

    /* Cards de curso: capa menor */
    .card-curso .capa { aspect-ratio: 21 / 9; }

    /* Sidebar da aula não empurra o player */
    .aula-sidebar { min-height: auto; }

    /* Forms de liberação e criar rápido */
    form.row.g-2 > [class*="col-"] { min-width: 0; }
}

@media (max-width: 420px) {
    .login-stage { padding: 0; place-items: stretch; }
    .login-panel { border: 0; border-radius: 0; }
    .login-brand-panel { min-height: 235px; padding: 1.25rem; }
    .login-brand-frame { width: 175px; border-radius: 1rem; }
    .login-brand-message { display: none; }
    .login-form-panel { min-height: calc(100vh - 235px); padding: 4rem 1.35rem 1.25rem; }
    .login-theme-toggle { top: 1.1rem; right: 1.1rem; }
    .login-form-content h1 { font-size: 2.25rem; }
    .login-intro { margin-bottom: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    .login-brand-frame,
    .login-theme-toggle,
    .login-submit-arrow { transition: none; }
}

@media (max-width: 991.98px) {
    /* Botão de voltar ao curso na tela de editar aula não sobe em cima do título */
    main > .d-flex.justify-content-between.align-items-start > a.btn.btn-portal { align-self: flex-start; }
}

/* ------------------------------------------------------------------
   Sala de aprendizagem — experiência imersiva de consumo do curso
   ------------------------------------------------------------------ */

.learning-shell {
    --learning-topbar: #063c2d;
    --learning-topbar-border: rgba(255, 255, 255, .1);
    --learning-stage: #030604;
    --learning-stage-elev: #080d0a;
    --learning-stage-text: #f4f7f5;
    --learning-stage-muted: #97a19b;
    --learning-stage-border: rgba(255, 255, 255, .1);
    --learning-panel: #f4f5f0;
    --learning-panel-elev: #e9ece6;
    --learning-panel-text: #17201a;
    --learning-panel-muted: #68716a;
    --learning-panel-border: #d9ded8;
    --learning-accent: #28d17c;
    --learning-accent-strong: #0d9e59;
    --learning-accent-ink: #063c2d;
    --learning-shadow: 0 24px 70px rgba(0, 0, 0, .28);
    overflow-x: hidden;
    background: var(--learning-stage);
    font-family: "Manrope", "Segoe UI", sans-serif;
}

[data-bs-theme="light"] .learning-shell {
    --learning-stage: #edf1ec;
    --learning-stage-elev: #ffffff;
    --learning-stage-text: #122018;
    --learning-stage-muted: #667169;
    --learning-stage-border: rgba(6, 60, 45, .12);
    --learning-shadow: 0 24px 70px rgba(20, 41, 30, .16);
}

.learning-shell .portal-navbar,
.learning-shell > footer {
    display: none;
}

.learning-shell > main {
    min-height: 100vh;
    padding: 0 !important;
}

.learning-shell svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.learning-room {
    min-height: 100vh;
    color: var(--learning-stage-text);
    background:
        radial-gradient(circle at 28% -10%, rgba(40, 209, 124, .1), transparent 31rem),
        var(--learning-stage);
}

.learning-topbar {
    position: relative;
    z-index: 30;
    display: flex;
    min-height: 4.75rem;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: .75rem clamp(1rem, 2vw, 2rem);
    border-bottom: 1px solid var(--learning-topbar-border);
    color: #fff;
    background:
        linear-gradient(100deg, rgba(255, 255, 255, .035), transparent 38%),
        var(--learning-topbar);
}

.learning-topbar::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(40, 209, 124, .52), transparent 72%);
    content: "";
}

.learning-course-identity,
.learning-topbar-actions {
    display: flex;
    min-width: 0;
    align-items: center;
}

.learning-course-identity { gap: .85rem; }
.learning-topbar-actions { gap: .65rem; }

.learning-back,
.learning-icon-button,
.outline-close {
    display: inline-grid;
    flex: 0 0 auto;
    width: 2.65rem;
    height: 2.65rem;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 50%;
    color: rgba(255, 255, 255, .84);
    background: rgba(0, 0, 0, .13);
    transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.learning-back:hover,
.learning-icon-button:hover {
    border-color: rgba(255, 255, 255, .42);
    color: #fff;
    background: rgba(255, 255, 255, .09);
    transform: translateY(-1px);
}

.learning-brand-mark {
    flex: 0 0 auto;
    border-radius: .65rem;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .14), 0 8px 24px rgba(0, 0, 0, .18);
}

.learning-course-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    line-height: 1.12;
}

.learning-eyebrow,
.outline-eyebrow,
.learning-module-kicker {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.learning-eyebrow { color: rgba(255, 255, 255, .55); }

.learning-course-copy strong {
    overflow: hidden;
    max-width: min(42vw, 38rem);
    font-family: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
    font-size: clamp(.95rem, 1.25vw, 1.2rem);
    font-weight: 600;
    letter-spacing: -.015em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learning-position {
    display: flex;
    height: 2.65rem;
    align-items: center;
    gap: .55rem;
    padding: 0 .85rem;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    color: rgba(255, 255, 255, .62);
    background: rgba(0, 0, 0, .13);
    font-size: .72rem;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
    letter-spacing: .08em;
}

.learning-position span:first-child { color: #fff; }
.learning-position i { width: 1.3rem; height: 1px; background: rgba(255, 255, 255, .24); }

.learning-theme-button .tema-icone { font-size: .95rem; }

.learning-user {
    display: grid;
    width: 2.65rem;
    height: 2.65rem;
    place-items: center;
    border: 2px solid rgba(255, 255, 255, .45);
    border-radius: 50%;
    color: var(--learning-accent-ink);
    background: linear-gradient(145deg, #ecfff5, #95e9ba);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .08);
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
}

.learning-outline-toggle {
    display: none;
    height: 2.65rem;
    align-items: center;
    gap: .45rem;
    padding: 0 .85rem;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 999px;
    color: #fff;
    background: rgba(0, 0, 0, .13);
    font-size: .78rem;
    font-weight: 700;
}

.learning-grid {
    display: grid;
    min-height: calc(100vh - 4.75rem);
    grid-template-columns: minmax(0, 1fr) clamp(22rem, 25vw, 27rem);
}

.learning-main {
    display: flex;
    min-width: 0;
    min-height: calc(100vh - 4.75rem);
    flex-direction: column;
}

.learning-player-stage {
    position: relative;
    display: grid;
    min-height: clamp(30rem, 66vh, 56rem);
    flex: 1 1 auto;
    place-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--learning-stage-border);
    background:
        radial-gradient(circle at 50% 46%, rgba(31, 72, 48, .22), transparent 38%),
        linear-gradient(135deg, rgba(255, 255, 255, .018) 25%, transparent 25%) 0 0 / 24px 24px,
        #010201;
}

[data-bs-theme="light"] .learning-player-stage {
    background:
        radial-gradient(circle at 50% 46%, rgba(31, 72, 48, .16), transparent 38%),
        #07100b;
}

.learning-player-wrapper.player-wrapper {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    border-radius: 0;
    background: #000;
}

.learning-player-wrapper.player-wrapper iframe { inset: 0; width: 100%; height: 100%; }

.learning-stage-label {
    position: absolute;
    z-index: 3;
    top: 1.25rem;
    left: 1.5rem;
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .45rem .7rem;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 999px;
    color: rgba(255, 255, 255, .66);
    background: rgba(3, 8, 5, .72);
    backdrop-filter: blur(12px);
    font-size: .66rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.learning-stage-label span {
    width: .42rem;
    height: .42rem;
    border-radius: 50%;
    background: var(--learning-accent);
    box-shadow: 0 0 0 4px rgba(40, 209, 124, .12);
}

.learning-player-nav {
    position: absolute;
    z-index: 4;
    top: 50%;
    display: grid;
    width: 3.25rem;
    height: 4.65rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: .65rem;
    color: rgba(255, 255, 255, .78);
    background: rgba(12, 23, 17, .76);
    box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
    backdrop-filter: blur(14px);
    transform: translateY(-50%);
    transition: color .18s ease, border-color .18s ease, background .18s ease, transform .18s ease;
}

.learning-player-nav:hover {
    border-color: rgba(40, 209, 124, .7);
    color: #fff;
    background: rgba(6, 60, 45, .92);
}

.learning-player-nav-prev { left: 1.25rem; }
.learning-player-nav-next { right: 1.25rem; }
.learning-player-nav-prev:hover { transform: translate(-3px, -50%); }
.learning-player-nav-next:hover { transform: translate(3px, -50%); }

.learning-video-progress.progress-slim {
    position: absolute;
    z-index: 5;
    right: 0;
    bottom: 0;
    left: 0;
    height: 4px;
    border-radius: 0;
    background: rgba(255, 255, 255, .12);
}

.learning-video-progress .progress-bar {
    position: relative;
    box-shadow: 0 0 16px rgba(40, 209, 124, .55);
    transition: width .25s ease;
}

.learning-empty-state {
    width: min(90%, 31rem);
    text-align: center;
}

.learning-empty-icon {
    display: grid;
    width: 4.25rem;
    height: 4.25rem;
    margin: 0 auto 1.25rem;
    place-items: center;
    border: 1px solid rgba(40, 209, 124, .36);
    border-radius: 50%;
    color: var(--learning-accent);
    background: rgba(40, 209, 124, .08);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 1.65rem;
}

.learning-empty-state h2,
.learning-lesson-heading h1,
.outline-header h2 {
    font-family: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
    letter-spacing: -.035em;
}

.learning-empty-state h2 { margin-bottom: .55rem; font-size: 1.4rem; }
.learning-empty-state p { margin: 0; color: rgba(255, 255, 255, .52); }

.learning-lesson-meta {
    position: relative;
    padding: 1.35rem clamp(1.25rem, 2.5vw, 2.5rem) 1.5rem;
    background:
        linear-gradient(90deg, rgba(40, 209, 124, .06), transparent 34%),
        var(--learning-stage-elev);
}

.learning-lesson-meta::before {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--learning-accent), transparent);
    content: "";
}

.learning-lesson-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
}

.learning-module-kicker { display: block; margin-bottom: .28rem; color: var(--learning-accent); }

.learning-lesson-heading h1 {
    margin: 0;
    color: var(--learning-stage-text);
    font-size: clamp(1.35rem, 2vw, 2rem);
    font-weight: 600;
}

.learning-completed-badge {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: .38rem;
    padding: .42rem .68rem;
    border: 1px solid rgba(40, 209, 124, .3);
    border-radius: 999px;
    color: var(--learning-accent);
    background: rgba(40, 209, 124, .08);
    font-size: .7rem;
    font-weight: 700;
}

.learning-completed-badge svg { width: .95rem; height: .95rem; stroke-width: 2.4; }

.learning-description {
    max-width: 70ch;
    margin: .7rem 0 0;
    color: var(--learning-stage-muted);
    font-size: .86rem;
    line-height: 1.65;
}

.learning-lesson-actions {
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-top: 1rem;
}

.learning-resource-link {
    display: inline-flex;
    max-width: 15rem;
    height: 2.55rem;
    align-items: center;
    gap: .5rem;
    padding: 0 .8rem;
    overflow: hidden;
    border: 1px solid var(--learning-stage-border);
    border-radius: .55rem;
    color: var(--learning-stage-muted);
    text-decoration: none;
    background: rgba(255, 255, 255, .025);
    font-size: .72rem;
    font-weight: 600;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.learning-resource-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.learning-resource-link svg { flex: 0 0 auto; width: 1rem; height: 1rem; }

.learning-resource-link:hover {
    border-color: rgba(40, 209, 124, .42);
    color: var(--learning-stage-text);
    background: rgba(40, 209, 124, .06);
}

.learning-complete-button {
    display: inline-flex;
    min-height: 2.65rem;
    align-items: center;
    gap: .6rem;
    margin-left: auto;
    padding: .35rem 1rem .35rem .4rem;
    border: 1px solid var(--learning-accent);
    border-radius: 999px;
    color: #052b1e;
    background: var(--learning-accent);
    box-shadow: 0 10px 28px rgba(40, 209, 124, .16);
    font-size: .75rem;
    font-weight: 800;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.learning-complete-button:hover:not(:disabled) {
    background: #46e694;
    box-shadow: 0 12px 34px rgba(40, 209, 124, .25);
    transform: translateY(-1px);
}

.learning-complete-button:disabled { cursor: default; }

.learning-complete-icon {
    display: grid;
    width: 1.85rem;
    height: 1.85rem;
    place-items: center;
    border-radius: 50%;
    background: rgba(5, 43, 30, .14);
}

.learning-complete-icon svg { width: 1rem; height: 1rem; stroke-width: 2.5; }

.learning-complete-button.is-completed {
    border-color: var(--learning-stage-border);
    color: var(--learning-stage-muted);
    background: transparent;
    box-shadow: none;
}

.learning-complete-button.is-completed .learning-complete-icon {
    color: var(--learning-accent);
    background: rgba(40, 209, 124, .1);
}

/* Painel claro da trilha cria contraste com o palco de vídeo. */
.course-outline {
    position: sticky;
    top: 0;
    z-index: 20;
    height: calc(100vh - 4.75rem);
    overflow-y: auto;
    border-left: 1px solid var(--learning-panel-border);
    color: var(--learning-panel-text);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, .75), transparent 14rem),
        var(--learning-panel);
    scrollbar-color: #bdc5bd transparent;
    scrollbar-width: thin;
}

.outline-header {
    position: sticky;
    z-index: 4;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.45rem 1.35rem 1.1rem;
    border-bottom: 1px solid rgba(23, 32, 26, .07);
    background: rgba(244, 245, 240, .92);
    backdrop-filter: blur(18px);
}

.outline-eyebrow { display: block; margin-bottom: .2rem; color: var(--learning-accent-strong); }

.outline-header h2 {
    margin: 0;
    color: var(--learning-panel-text);
    font-size: 1.35rem;
    font-weight: 650;
}

.outline-close {
    display: none;
    border-color: rgba(23, 32, 26, .12);
    color: var(--learning-panel-text);
    background: rgba(23, 32, 26, .035);
}

.outline-progress-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: .9rem;
    margin: 1.2rem 1.35rem 1rem;
    padding: .95rem;
    border: 1px solid var(--learning-panel-border);
    border-radius: .9rem;
    background: rgba(255, 255, 255, .54);
    box-shadow: 0 8px 24px rgba(31, 48, 37, .045);
}

.outline-progress-ring {
    position: relative;
    display: grid;
    width: 3.6rem;
    height: 3.6rem;
    place-items: center;
    border-radius: 50%;
    background: conic-gradient(var(--learning-accent-strong) var(--course-progress), #dce2dc 0);
}

.outline-progress-ring::before {
    width: 2.8rem;
    height: 2.8rem;
    border-radius: 50%;
    background: var(--learning-panel);
    content: "";
}

.outline-progress-ring span {
    position: absolute;
    color: var(--learning-accent-ink);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: .72rem;
    font-weight: 700;
}

.outline-progress-copy { min-width: 0; }
.outline-progress-copy strong { display: block; font-size: .78rem; }
.outline-progress-copy > span { display: block; margin-top: .1rem; color: var(--learning-panel-muted); font-size: .66rem; }
.outline-progress-copy b { color: var(--learning-accent-strong); }

.outline-progress-track {
    height: 3px;
    margin-top: .55rem;
    overflow: hidden;
    border-radius: 999px;
    background: #dce2dc;
}

.outline-progress-track span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--learning-accent-strong);
    transition: width .3s ease;
}

.outline-search {
    display: flex;
    height: 2.8rem;
    align-items: center;
    gap: .65rem;
    margin: 0 1.35rem 1rem;
    padding: 0 .75rem;
    border: 1px solid var(--learning-panel-border);
    border-radius: .7rem;
    color: var(--learning-panel-muted);
    background: rgba(255, 255, 255, .54);
    transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.outline-search:focus-within {
    border-color: rgba(13, 158, 89, .48);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(13, 158, 89, .09);
}

.outline-search svg { flex: 0 0 auto; width: 1.05rem; height: 1.05rem; }

.outline-search input {
    min-width: 0;
    flex: 1;
    border: 0;
    outline: 0;
    color: var(--learning-panel-text);
    background: transparent;
    font: 500 .73rem/1 "Manrope", sans-serif;
}

.outline-search input::placeholder { color: #8a928b; }

.outline-search kbd {
    padding: .18rem .36rem;
    border: 1px solid var(--learning-panel-border);
    border-bottom-width: 2px;
    border-radius: .28rem;
    color: #7b847d;
    background: var(--learning-panel-elev);
    box-shadow: none;
    font: 600 .62rem/1 "Manrope", sans-serif;
}

.outline-modules { padding-bottom: 1.5rem; }

.outline-module {
    border-top: 1px solid var(--learning-panel-border);
    background: rgba(255, 255, 255, .22);
}

.outline-module:last-child { border-bottom: 1px solid var(--learning-panel-border); }

.outline-module > summary {
    display: grid;
    min-height: 4.75rem;
    cursor: pointer;
    list-style: none;
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    align-items: center;
    gap: .8rem;
    padding: .9rem 1.35rem;
    transition: background .18s ease;
}

.outline-module > summary::-webkit-details-marker { display: none; }
.outline-module > summary:hover { background: rgba(255, 255, 255, .56); }

.outline-module-number {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid var(--learning-panel-border);
    border-radius: .45rem;
    color: var(--learning-panel-muted);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: .68rem;
    font-weight: 700;
}

.outline-module.has-current .outline-module-number {
    border-color: rgba(13, 158, 89, .22);
    color: var(--learning-accent-ink);
    background: rgba(40, 209, 124, .12);
}

.outline-module-copy { min-width: 0; }

.outline-module-copy strong {
    display: block;
    overflow: hidden;
    color: var(--learning-panel-text);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: -.012em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.outline-module-copy small { display: block; margin-top: .2rem; color: var(--learning-panel-muted); font-size: .62rem; }

.outline-chevron {
    width: 1rem !important;
    height: 1rem !important;
    color: var(--learning-panel-muted);
    transition: transform .2s ease;
}

.outline-module[open] .outline-chevron { transform: rotate(180deg); }

.outline-lessons { padding: .15rem .75rem .8rem; }

.outline-lesson {
    position: relative;
    display: grid;
    min-height: 3.9rem;
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    align-items: center;
    gap: .7rem;
    padding: .65rem .65rem;
    border: 1px solid transparent;
    border-radius: .65rem;
    color: var(--learning-panel-text);
    text-decoration: none;
    transition: border-color .18s ease, background .18s ease, transform .18s ease;
}

.outline-lesson:hover {
    border-color: rgba(23, 32, 26, .08);
    color: var(--learning-panel-text);
    background: rgba(255, 255, 255, .65);
    transform: translateX(2px);
}

.outline-lesson.is-current {
    border-color: rgba(13, 158, 89, .16);
    background: linear-gradient(90deg, rgba(40, 209, 124, .14), rgba(40, 209, 124, .035));
}

.outline-lesson.is-current::before {
    position: absolute;
    top: .7rem;
    bottom: .7rem;
    left: -.76rem;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--learning-accent-strong);
    content: "";
}

.outline-lesson-status {
    display: grid;
    width: 1.85rem;
    height: 1.85rem;
    place-items: center;
    border: 1px solid var(--learning-panel-border);
    border-radius: 50%;
    color: var(--learning-panel-muted);
    background: rgba(255, 255, 255, .45);
    font-size: .58rem;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
}

.outline-lesson.is-current .outline-lesson-status {
    border-color: var(--learning-accent-strong);
    color: #fff;
    background: var(--learning-accent-strong);
}

.outline-lesson-check { display: none; width: .95rem !important; height: .95rem !important; stroke-width: 2.5 !important; }

.outline-lesson.is-completed .outline-lesson-number { display: none; }
.outline-lesson.is-completed .outline-lesson-check { display: block; }
.outline-lesson.is-completed .outline-lesson-status {
    border-color: rgba(13, 158, 89, .25);
    color: var(--learning-accent-strong);
    background: rgba(40, 209, 124, .1);
}

.outline-lesson-copy { min-width: 0; }

.outline-lesson-copy strong {
    display: block;
    overflow: hidden;
    color: var(--learning-panel-text);
    font-size: .73rem;
    font-weight: 650;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.outline-lesson-copy small {
    display: flex;
    align-items: center;
    gap: .25rem;
    margin-top: .2rem;
    color: var(--learning-panel-muted);
    font-size: .58rem;
}

.outline-now-playing {
    display: flex;
    height: 1rem;
    align-items: flex-end;
    gap: 2px;
    color: var(--learning-accent-strong);
}

.outline-now-playing i {
    width: 2px;
    border-radius: 2px;
    background: currentColor;
    animation: learning-equalizer .8s ease-in-out infinite alternate;
}

.outline-now-playing i:nth-child(1) { height: 45%; animation-delay: -.45s; }
.outline-now-playing i:nth-child(2) { height: 100%; animation-delay: -.2s; }
.outline-now-playing i:nth-child(3) { height: 68%; animation-delay: -.65s; }

@keyframes learning-equalizer {
    from { height: 25%; }
    to { height: 100%; }
}

.outline-no-results {
    display: flex;
    min-height: 10rem;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 2rem;
    text-align: center;
}

.outline-no-results[hidden] { display: none; }
.outline-no-results strong { font-family: "Bricolage Grotesque", sans-serif; font-size: .9rem; }
.outline-no-results span { margin-top: .25rem; color: var(--learning-panel-muted); font-size: .68rem; }

.learning-outline-backdrop { display: none; }

@media (max-width: 1099.98px) {
    .learning-outline-toggle { display: inline-flex; }
    .learning-grid { grid-template-columns: minmax(0, 1fr); }

    .course-outline {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 60;
        width: min(92vw, 27rem);
        height: 100vh;
        box-shadow: var(--learning-shadow);
        transform: translateX(105%);
        transition: transform .25s cubic-bezier(.2, .8, .2, 1);
    }

    .course-outline.is-open { transform: translateX(0); }
    .outline-close { display: inline-grid; }
    .outline-is-open { overflow: hidden; }

    .learning-outline-backdrop:not([hidden]) {
        position: fixed;
        z-index: 50;
        inset: 0;
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        background: rgba(0, 0, 0, .58);
        backdrop-filter: blur(3px);
    }

    .learning-player-stage { min-height: min(66vh, 42rem); }
}

@media (max-width: 699.98px) {
    .learning-topbar {
        min-height: 4.2rem;
        gap: .75rem;
        padding: .65rem .75rem;
    }

    .learning-grid,
    .learning-main { min-height: calc(100vh - 4.2rem); }
    .learning-brand-mark { display: none; }
    .learning-course-identity { gap: .45rem; }
    .learning-course-copy strong { max-width: 42vw; font-size: .85rem; }
    .learning-eyebrow { display: none; }
    .learning-topbar-actions { gap: .38rem; }
    .learning-position,
    .learning-theme-button,
    .learning-user { display: none; }
    .learning-icon-button { width: 2.35rem; height: 2.35rem; }
    .learning-outline-toggle { width: 2.35rem; height: 2.35rem; padding: 0; justify-content: center; }
    .learning-outline-toggle span { display: none; }
    .learning-back { width: 2.35rem; height: 2.35rem; }

    .learning-player-stage {
        min-height: 48vh;
        max-height: 58vh;
    }

    .learning-stage-label { top: .8rem; left: .8rem; font-size: .56rem; }
    .learning-player-nav { top: auto; bottom: 1rem; width: 2.7rem; height: 2.7rem; transform: none; }
    .learning-player-nav-prev { left: .8rem; }
    .learning-player-nav-next { right: .8rem; }
    .learning-player-nav-prev:hover { transform: translateX(-2px); }
    .learning-player-nav-next:hover { transform: translateX(2px); }

    .learning-lesson-meta { padding: 1.15rem 1rem 1.35rem; }
    .learning-lesson-heading { gap: .7rem; }
    .learning-lesson-heading h1 { font-size: 1.3rem; }
    .learning-completed-badge { padding: .38rem; }
    .learning-completed-badge svg { margin: 0; }
    .learning-completed-badge { font-size: 0; }
    .learning-description { font-size: .8rem; }

    .learning-lesson-actions { align-items: stretch; flex-wrap: wrap; }
    .learning-resource-link { max-width: calc(50% - .35rem); flex: 1 1 9rem; }
    .learning-complete-button { width: 100%; justify-content: center; margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .learning-shell *,
    .learning-shell *::before,
    .learning-shell *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* ------------------------------------------------------------------
   Vitrine de cursos por seções — estante editorial
   ------------------------------------------------------------------ */

/* .admin-eyebrow continua sendo usado em outras telas do admin (linha ~2830) */
.admin-eyebrow {
    display: inline-block;
    margin-bottom: .65rem;
    color: var(--portal-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}
.vitrine-secoes {
    display: grid;
    gap: clamp(3rem, 6vw, 5.5rem);
    padding: 0 clamp(.25rem, 2.5vw, 2rem) 2rem;
}
.curso-secao { min-width: 0; }
.curso-secao-cabecalho {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--portal-border);
}
.curso-secao-cabecalho > div:first-child {
    display: flex;
    align-items: baseline;
    gap: .8rem;
    min-width: 0;
}
.curso-secao-cabecalho h2 {
    margin: 0;
    overflow: hidden;
    font-family: Georgia, Cambria, "Times New Roman", serif;
    font-size: clamp(1.65rem, 3vw, 2.45rem);
    font-weight: 400;
    letter-spacing: -.025em;
    line-height: 1.05;
    text-overflow: ellipsis;
}
.curso-secao-indice {
    color: var(--portal-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .72rem;
    letter-spacing: .08em;
}
.curso-secao-navegacao {
    display: flex;
    align-items: center;
    gap: .45rem;
    flex-shrink: 0;
    transition: opacity .2s ease;
}
.curso-secao-navegacao.is-hidden {
    opacity: 0;
    pointer-events: none;
}
.curso-secao-pagina {
    min-width: 3rem;
    color: var(--portal-text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .72rem;
    text-align: center;
}
.curso-secao-seta {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--portal-border);
    border-radius: 50%;
    background: var(--portal-bg-elev);
    color: var(--portal-text);
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.curso-secao-seta:hover:not(:disabled),
.curso-secao-seta:focus-visible {
    transform: translateY(-2px);
    border-color: var(--portal-accent);
    background: var(--portal-accent-soft);
}
.curso-secao-seta:disabled { opacity: .3; }
.curso-prateleira-viewport {
    min-width: 0;
    overflow: hidden;
}
.curso-prateleira-lista {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: clamp(.9rem, 1.5vw, 1.35rem);
}
.curso-secao.is-paginated .curso-prateleira-lista {
    display: flex;
    gap: 0;
    transition: transform .42s cubic-bezier(.22, .8, .24, 1);
    will-change: transform;
}
.curso-prateleira-pagina {
    display: grid;
    grid-template-columns: repeat(var(--cards-por-pagina), minmax(0, 1fr));
    gap: clamp(.9rem, 1.5vw, 1.35rem);
    flex: 0 0 100%;
    min-width: 0;
}
.curso-vitrine-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--portal-border);
    border-radius: .25rem;
    background: var(--portal-bg-elev);
    box-shadow: 0 8px 28px rgba(0, 0, 0, .12);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.curso-vitrine-card:hover,
.curso-vitrine-card:focus-within {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--portal-accent) 72%, var(--portal-border));
    box-shadow: 0 18px 38px var(--portal-shadow);
}
.curso-vitrine-card > a {
    display: grid;
    grid-template-rows: auto 1fr;
    height: 100%;
    color: inherit;
    text-decoration: none;
}
.curso-vitrine-capa {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-bottom: 1px solid var(--portal-border);
    /* Propriedades separadas (nao shorthand): style="background-image:url(...)"
       inline resetaria size/position/repeat pros defaults se estivessem no
       shorthand `background:`. Assim a imagem sempre cobre o card centralizada. */
    background-color: var(--portal-bg-elev-2);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.curso-vitrine-capa::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(5, 7, 6, .62), transparent 55%);
    opacity: .5;
    transition: opacity .2s ease;
}
.curso-vitrine-card:hover .curso-vitrine-capa::after { opacity: .85; }
.curso-vitrine-acao {
    position: absolute;
    z-index: 1;
    right: .75rem;
    bottom: .65rem;
    color: #fff;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .05em;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .2s ease, transform .2s ease;
}
.curso-vitrine-card:hover .curso-vitrine-acao,
.curso-vitrine-card:focus-within .curso-vitrine-acao {
    opacity: 1;
    transform: translateY(0);
}
.curso-vitrine-corpo {
    display: flex;
    flex-direction: column;
    min-height: 210px;
    padding: 1rem;
}
.curso-vitrine-corpo h3 {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    color: var(--portal-text);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -.01em;
    line-height: 1.28;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.curso-vitrine-corpo > p {
    display: -webkit-box;
    overflow: hidden;
    margin: .65rem 0 1.25rem;
    color: var(--portal-text-muted);
    font-size: .78rem;
    line-height: 1.48;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}
.curso-vitrine-sem-descricao { font-style: italic; }
.curso-vitrine-progresso { margin-top: auto; }
.curso-vitrine-progresso > div:first-child {
    display: flex;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: .45rem;
    color: var(--portal-text-muted);
    font-size: .68rem;
}
.curso-vitrine-progresso strong { color: var(--portal-accent); }
.vitrine-vazia,
.empty-admin-state {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    max-width: 820px;
    padding: clamp(1.5rem, 4vw, 3rem);
    margin: 2rem auto;
    border: 1px solid var(--portal-border);
    background: var(--portal-bg-elev);
}
.vitrine-vazia-icone {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--portal-accent-soft);
    color: var(--portal-accent);
    font-size: 1.6rem;
}
.vitrine-vazia h2 { margin: 0 0 .35rem; font-family: Georgia, Cambria, serif; }
.vitrine-vazia p { margin: 0; color: var(--portal-text-muted); }

/* Administração das seções da vitrine */
.admin-form-shell { max-width: 760px; }
.admin-form-shell .card {
    border-color: var(--portal-border);
    background: var(--portal-bg-elev);
    color: var(--portal-text);
}
.categoria-admin-lista { display: grid; gap: .75rem; }
.categoria-admin-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border: 1px solid var(--portal-border);
    border-radius: .4rem;
    background: var(--portal-bg-elev);
}
.categoria-admin-ordem {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border: 1px solid var(--portal-border);
    border-radius: 50%;
    color: var(--portal-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .78rem;
}
.empty-admin-state {
    flex-direction: column;
    align-items: flex-start;
    margin: 0;
}
.empty-admin-state span { color: var(--portal-text-muted); }
.min-w-0 { min-width: 0; }

@media (max-width: 767.98px) {
    .vitrine-secoes { padding-inline: 0; }
    .curso-secao-cabecalho { align-items: center; }
    .curso-secao-cabecalho > div:first-child { align-items: flex-start; flex-direction: column; gap: .25rem; }
    .curso-secao-pagina { display: none; }
    .curso-secao-seta { width: 40px; height: 40px; }
    .curso-vitrine-corpo { min-height: 190px; }
}

@media (max-width: 575.98px) {
    .curso-secao-indice { display: none; }
    .curso-secao-cabecalho h2 { font-size: 1.45rem; }
    .categoria-admin-item { align-items: flex-start; flex-wrap: wrap; }
    .categoria-admin-item .btn { margin-left: 58px; }
}

@media (prefers-reduced-motion: reduce) {
    .curso-secao.is-paginated .curso-prateleira-lista,
    .curso-vitrine-card,
    .curso-vitrine-acao,
    .curso-secao-seta { transition: none; }
}

/* ------------------------------------------------------------------
   Console administrativo — navegação, dashboard e tabelas
   ------------------------------------------------------------------ */

.admin-body {
    --admin-sidebar-bg: #07150f;
    --admin-sidebar-bg-deep: #040d09;
    --admin-sidebar-border: rgba(167, 243, 208, .12);
    --admin-sidebar-text: #a7b8ad;
    --admin-sidebar-text-strong: #f0f7f2;
    --admin-sidebar-hover: rgba(167, 243, 208, .08);
    --admin-panel-bg: var(--portal-bg-elev);
    --admin-table-hover: rgba(34, 197, 94, .11);
    --admin-table-header: rgba(161, 161, 170, .08);
    --admin-border-strong: #3d3d46;
    font-family: "Manrope", "Segoe UI", sans-serif;
}

[data-bs-theme="light"] .admin-body {
    --admin-panel-bg: #ffffff;
    --admin-table-hover: #eaf8ef;
    --admin-table-header: #f4f7f5;
    --admin-border-strong: #cbd1d6;
}

.admin-shell {
    display: flex;
    min-height: 100vh;
    background:
        radial-gradient(circle at 90% 0, rgba(34, 197, 94, .055), transparent 28rem),
        var(--portal-bg);
}

.admin-sidebar {
    --bs-offcanvas-width: 292px;
    width: 292px;
    flex: 0 0 292px;
    min-height: 100vh;
    color: var(--admin-sidebar-text);
    background:
        radial-gradient(circle at 10% 0, rgba(34, 197, 94, .11), transparent 18rem),
        linear-gradient(180deg, var(--admin-sidebar-bg), var(--admin-sidebar-bg-deep));
    border: 0;
    border-right: 1px solid var(--admin-sidebar-border);
}

.admin-sidebar-body {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 2rem 1rem 1.25rem;
    overflow-x: hidden;
}

.admin-sidebar-mobile-header { padding: .75rem 1rem 0; }

.admin-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    min-width: 0;
    margin: 0 0 2rem;
    padding: .5rem .75rem;
    color: var(--admin-sidebar-text-strong);
    text-decoration: none;
}

.admin-brand:hover { color: #fff; }

.admin-brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    color: #06200f;
    background: var(--portal-accent);
    border-radius: 13px 13px 13px 4px;
    box-shadow: 0 10px 28px rgba(34, 197, 94, .2);
}

.admin-brand-mark svg,
.admin-brand-mark img {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.admin-brand-mark img {
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

.admin-brand > span:nth-child(2) {
    display: flex;
    flex-direction: column;
    min-width: 0;
    line-height: 1.08;
}

.admin-brand strong {
    font-size: 1rem;
    font-weight: 750;
    letter-spacing: -.025em;
}

.admin-brand small {
    margin-top: .18rem;
    color: #8ba195;
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.admin-brand-badge {
    align-self: flex-start;
    margin-left: auto;
    padding: .2rem .42rem;
    color: #8be2aa;
    background: rgba(34, 197, 94, .1);
    border: 1px solid rgba(34, 197, 94, .2);
    border-radius: 999px;
    font: 600 .58rem/1 "IBM Plex Mono", monospace;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.admin-navigation {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 1.65rem;
}

.admin-nav-group {
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.admin-nav-label {
    margin: 0 .85rem .38rem;
    color: #668073;
    font: 650 .64rem/1 "IBM Plex Mono", monospace;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.admin-sidebar .admin-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: 44px;
    padding: .65rem .8rem;
    color: var(--admin-sidebar-text);
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: .87rem;
    font-weight: 580;
    text-decoration: none;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease, transform .18s ease;
}

.admin-sidebar .admin-nav-link:hover {
    color: var(--admin-sidebar-text-strong);
    background: var(--admin-sidebar-hover);
    transform: translateX(2px);
}

.admin-sidebar .admin-nav-link.active {
    color: #eafff0;
    background: linear-gradient(90deg, rgba(34, 197, 94, .18), rgba(34, 197, 94, .07));
    border-color: rgba(74, 222, 128, .14);
}

.admin-sidebar .admin-nav-link.active::before {
    position: absolute;
    left: -1rem;
    width: 3px;
    height: 24px;
    content: "";
    background: var(--portal-accent);
    border-radius: 0 4px 4px 0;
    box-shadow: 0 0 14px rgba(34, 197, 94, .5);
}

.admin-nav-icon,
.admin-logout svg,
.admin-view-portal svg {
    width: 19px;
    height: 19px;
    flex: 0 0 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.admin-sidebar .admin-nav-link.active .admin-nav-icon { color: var(--portal-accent); }

.admin-sidebar-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-sidebar-border);
}

.admin-account {
    display: flex;
    align-items: center;
    gap: .65rem;
    min-width: 0;
    padding: .35rem .25rem;
}

.admin-account-avatar {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    color: #cbf7d8;
    background: #173d27;
    border: 1px solid rgba(74, 222, 128, .2);
    border-radius: 50%;
    font-size: .78rem;
    font-weight: 750;
}

.admin-account-copy {
    display: flex;
    flex: 1;
    flex-direction: column;
    min-width: 0;
    line-height: 1.2;
}

.admin-account-copy strong {
    color: var(--admin-sidebar-text-strong);
    font-size: .75rem;
    font-weight: 650;
}

.admin-account-copy small {
    margin-top: .2rem;
    overflow: hidden;
    color: #789083;
    font-size: .65rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-logout {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    padding: 0;
    color: #82978b;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 9px;
}

.admin-logout:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border-color: var(--admin-sidebar-border);
}

.admin-workspace {
    min-width: 0;
    flex: 1;
}

.admin-topbar {
    position: sticky;
    z-index: 1010;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    padding: .8rem clamp(1rem, 3vw, 2.5rem);
    background: color-mix(in srgb, var(--portal-bg) 88%, transparent);
    border-bottom: 1px solid var(--portal-border);
    backdrop-filter: blur(18px);
}

.admin-topbar-context,
.admin-topbar-actions {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.admin-topbar-context > div {
    display: flex;
    flex-direction: column;
}

.admin-topbar-context span {
    color: var(--portal-text-muted);
    font-size: .62rem;
    font-weight: 650;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.admin-topbar-context strong {
    margin-top: .08rem;
    color: var(--portal-text);
    font-size: .9rem;
    font-weight: 680;
}

.admin-menu-trigger {
    display: none;
    width: 40px;
    height: 40px;
    padding: 10px 9px;
    background: var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    border-radius: 10px;
}

.admin-menu-trigger span {
    display: block;
    width: 100%;
    height: 1.5px;
    margin: 4px 0;
    background: var(--portal-text);
    border-radius: 2px;
}

.admin-theme-toggle,
.admin-view-portal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    min-height: 38px;
    padding: .45rem .72rem;
    color: var(--portal-text-muted);
    background: var(--portal-bg-elev);
    border: 1px solid var(--portal-border);
    border-radius: 9px;
    font-size: .76rem;
    font-weight: 620;
    text-decoration: none;
}

.admin-theme-toggle:hover,
.admin-view-portal:hover {
    color: var(--portal-text);
    border-color: var(--admin-border-strong);
}

.admin-view-portal svg { width: 15px; height: 15px; }

.admin-content {
    width: 100%;
    max-width: 1580px;
    margin: 0 auto;
    padding: clamp(1.4rem, 3.2vw, 3rem) clamp(1rem, 3.2vw, 3rem) 4rem;
}

/* Tabelas mantêm todos os controles legíveis durante hover/foco. */
.admin-content .table {
    --bs-table-color: var(--portal-text);
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--portal-border);
    --bs-table-striped-color: var(--portal-text);
    --bs-table-hover-color: var(--portal-text);
    --bs-table-hover-bg: var(--admin-table-hover);
    margin-bottom: 0;
}

.admin-content .table thead th {
    padding-top: .85rem;
    padding-bottom: .85rem;
    color: var(--portal-text-muted);
    background: var(--admin-table-header);
    font: 650 .66rem/1.2 "IBM Plex Mono", monospace;
    letter-spacing: .065em;
    text-transform: uppercase;
}

.admin-content .table tbody td {
    padding-top: .9rem;
    padding-bottom: .9rem;
    vertical-align: middle;
    transition: color .15s ease, background-color .15s ease, box-shadow .15s ease;
}

.admin-content .table tbody tr:hover > *,
.admin-content .table tbody tr:focus-within > * {
    --bs-table-bg-state: var(--admin-table-hover);
    color: var(--portal-text);
    background-color: var(--admin-table-hover);
    box-shadow: inset 3px 0 0 transparent;
}

.admin-content .table tbody tr:hover > *:first-child,
.admin-content .table tbody tr:focus-within > *:first-child {
    box-shadow: inset 3px 0 0 var(--portal-accent);
}

.admin-content .btn-outline-light,
.admin-content .btn-admin-secondary {
    --bs-btn-color: var(--portal-text);
    --bs-btn-border-color: var(--admin-border-strong);
    --bs-btn-hover-color: var(--portal-text);
    --bs-btn-hover-bg: var(--portal-bg-elev-2);
    --bs-btn-hover-border-color: var(--portal-accent);
    --bs-btn-active-color: var(--portal-text);
    --bs-btn-active-bg: var(--portal-accent-soft);
    --bs-btn-active-border-color: var(--portal-accent);
    background: var(--portal-bg-elev);
}

.admin-content a:focus-visible,
.admin-content button:focus-visible,
.admin-sidebar a:focus-visible,
.admin-sidebar button:focus-visible,
.admin-topbar a:focus-visible,
.admin-topbar button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--portal-accent) 72%, white);
    outline-offset: 2px;
}

.admin-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2rem;
}

.admin-page-header h1 {
    margin: .32rem 0 .45rem;
    font-size: clamp(1.75rem, 3vw, 2.45rem);
    font-weight: 730;
    letter-spacing: -.045em;
}

.admin-page-header p {
    max-width: 680px;
    margin: 0;
    color: var(--portal-text-muted);
    font-size: .91rem;
}

.admin-eyebrow {
    color: var(--portal-accent);
    font: 680 .67rem/1 "IBM Plex Mono", monospace;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.admin-page-actions {
    display: flex;
    align-items: center;
    gap: .9rem;
    flex-shrink: 0;
}

.admin-updated-at {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--portal-text-muted);
    font-size: .7rem;
}

.admin-status-dot {
    width: 7px;
    height: 7px;
    background: var(--portal-accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--portal-accent-soft);
}

.admin-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.admin-kpi-card {
    position: relative;
    min-height: 96px;
    padding: .75rem .9rem;
    overflow: hidden;
    background: var(--admin-panel-bg);
    border: 1px solid var(--portal-border);
    border-radius: 12px;
    box-shadow: 0 12px 34px -30px var(--portal-shadow);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.admin-kpi-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--portal-accent) 45%, var(--portal-border));
    box-shadow: 0 20px 42px -30px var(--portal-shadow);
}

.admin-kpi-card--live::after {
    position: absolute;
    right: -28px;
    bottom: -52px;
    width: 120px;
    height: 120px;
    content: "";
    background: radial-gradient(circle, rgba(34, 197, 94, .17), transparent 68%);
}

.admin-kpi-icon {
    position: absolute;
    z-index: 1;
    top: .75rem;
    right: .9rem;
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    color: var(--portal-accent);
    background: var(--portal-accent-soft);
    border: 1px solid color-mix(in srgb, var(--portal-accent) 26%, transparent);
    border-radius: 9px;
}

.admin-kpi-icon svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.admin-kpi-copy {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
}

.admin-kpi-copy > span {
    padding-right: 2.65rem;
    color: var(--portal-text-muted);
    font-size: .72rem;
    font-weight: 620;
}

.admin-kpi-copy > strong {
    margin: .22rem 0 .12rem;
    padding-right: 2.65rem;
    color: var(--portal-text);
    font-size: clamp(1.45rem, 2.1vw, 1.65rem);
    font-weight: 720;
    letter-spacing: -.035em;
    line-height: 1.05;
}

.admin-kpi-copy > strong em {
    color: var(--portal-text-muted);
    font-size: .72rem;
    font-style: normal;
    font-weight: 560;
    letter-spacing: 0;
}

.admin-kpi-copy > small {
    color: var(--portal-text-muted);
    font-size: .65rem;
    line-height: 1.35;
}

.admin-dashboard-grid {
    display: grid;
    grid-template-columns: minmax(360px, .82fr) minmax(430px, 1.18fr);
    gap: 1rem;
}

.admin-panel {
    min-width: 0;
    padding: 1.35rem;
    background: var(--admin-panel-bg);
    border: 1px solid var(--portal-border);
    border-radius: 16px;
    box-shadow: 0 12px 34px -30px var(--portal-shadow);
}

.admin-panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.admin-panel-heading h2 {
    margin: .36rem 0 0;
    font-size: 1.05rem;
    font-weight: 690;
    letter-spacing: -.025em;
}

.admin-text-link {
    color: var(--portal-text-muted);
    font-size: .7rem;
    font-weight: 620;
    text-decoration: none;
}

.admin-text-link:hover { color: var(--portal-accent); }

.admin-volume-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 1.35rem;
    background: var(--portal-bg);
    border: 1px solid var(--portal-border);
    border-radius: 12px;
}

.admin-volume-row > div {
    display: flex;
    align-items: baseline;
    gap: .48rem;
    padding: 1rem 1.1rem;
}

.admin-volume-row > div + div { border-left: 1px solid var(--portal-border); }

.admin-volume-row strong {
    font-size: 1.45rem;
    font-weight: 720;
    letter-spacing: -.045em;
}

.admin-volume-row span {
    color: var(--portal-text-muted);
    font-size: .68rem;
}

/* ------------------------------------------------------------------
   Comunidade da aula — avaliações e comentários
   ------------------------------------------------------------------ */

.aula-cabecalho-acoes {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .75rem;
}

.avaliacao-atalho {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--portal-text-muted);
    font-size: .76rem;
    font-weight: 600;
    text-decoration: none;
}

.avaliacao-atalho:hover,
.avaliacao-atalho:focus-visible {
    color: var(--portal-text);
}

.avaliacao-atalho-estrelas,
.avaliacao-resumo-estrelas {
    display: inline-flex;
    gap: .08rem;
    color: color-mix(in srgb, var(--portal-text-muted) 38%, transparent);
    letter-spacing: -.04em;
}

.avaliacao-atalho-estrelas { font-size: 1rem; }
.avaliacao-resumo-estrelas { font-size: 1.15rem; }
.avaliacao-atalho-estrelas .is-filled,
.avaliacao-resumo-estrelas .is-filled { color: #f4b942; }

.aula-comunidade {
    margin-top: clamp(2.5rem, 6vw, 5rem);
    scroll-margin-top: 1.5rem;
    border-top: 1px solid var(--portal-border);
}

.aula-comunidade-cabecalho {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.4rem 0 1.2rem;
}

.aula-comunidade-kicker {
    display: block;
    margin-bottom: .35rem;
    color: var(--portal-accent);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.aula-comunidade-cabecalho h2 {
    margin: 0;
    font-family: Georgia, Cambria, "Times New Roman", serif;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    font-weight: 400;
    letter-spacing: -.025em;
}

.comentarios-contador {
    flex: 0 0 auto;
    padding: .35rem .65rem;
    border: 1px solid var(--portal-border);
    border-radius: 999px;
    color: var(--portal-text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .68rem;
}

.aula-comunidade-grid {
    display: grid;
    grid-template-columns: minmax(215px, .72fr) minmax(0, 2fr);
    overflow: hidden;
    border: 1px solid var(--portal-border);
    border-radius: .45rem;
    background: var(--portal-bg-elev);
    box-shadow: 0 18px 50px color-mix(in srgb, var(--portal-shadow) 72%, transparent);
}

.avaliacao-painel {
    padding: clamp(1.25rem, 3vw, 2rem);
    scroll-margin-top: 1.5rem;
    border-right: 1px solid var(--portal-border);
    background:
        radial-gradient(circle at 10% 10%, rgba(244, 185, 66, .1), transparent 14rem),
        var(--portal-bg-elev-2);
}

.avaliacao-resumo {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding-bottom: 1.35rem;
    margin-bottom: 1.35rem;
    border-bottom: 1px solid var(--portal-border);
}

.avaliacao-media {
    min-width: 2.5ch;
    font-family: Georgia, Cambria, "Times New Roman", serif;
    font-size: clamp(2.6rem, 5vw, 4rem);
    font-weight: 400;
    letter-spacing: -.065em;
    line-height: .9;
}

.avaliacao-total {
    display: block;
    margin-top: .2rem;
    color: var(--portal-text-muted);
    font-size: .68rem;
}

.admin-health-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.admin-health-label {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .42rem;
    color: var(--portal-text-muted);
    font-size: .69rem;
}

.admin-health-label strong { color: var(--portal-text); font-weight: 670; }

.admin-health-track {
    height: 7px;
    overflow: hidden;
    background: var(--portal-bg);
    border-radius: 999px;
}

.admin-health-track span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--portal-accent-hover), #4ade80);
    border-radius: inherit;
}

.admin-quick-actions {
    display: flex;
    flex-direction: column;
    margin: 0 -1.35rem -1.35rem;
    border-top: 1px solid var(--portal-border);
}

.admin-quick-actions > a {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1.35rem;
    color: var(--portal-text);
    text-decoration: none;
    transition: background-color .15s ease;
}

.admin-quick-actions > a + a { border-top: 1px solid var(--portal-border); }
.admin-quick-actions > a:hover { background: var(--admin-table-hover); }

.admin-quick-icon {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    color: var(--portal-accent);
    background: var(--portal-accent-soft);
    border-radius: 9px;
    font-weight: 700;
}

.admin-quick-actions a > span:nth-child(2) {
    display: flex;
    flex-direction: column;
}

.admin-quick-actions strong { font-size: .75rem; font-weight: 650; }
.admin-quick-actions small { margin-top: .12rem; color: var(--portal-text-muted); font-size: .61rem; }
.admin-quick-actions a > span:last-child { color: var(--portal-text-muted); transition: transform .15s ease; }
.admin-quick-actions a:hover > span:last-child { color: var(--portal-accent); transform: translateX(3px); }

.admin-recent-list { margin: 0 -1.35rem -1.35rem; }

.admin-recent-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto 18px;
    align-items: center;
    gap: .75rem;
    min-height: 63px;
    padding: .7rem 1.35rem;
    color: var(--portal-text);
    border-top: 1px solid var(--portal-border);
    text-decoration: none;
    transition: background-color .15s ease;
}

.admin-recent-item:hover { color: var(--portal-text); background: var(--admin-table-hover); }

.admin-course-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    color: #b8f7ca;
    background: linear-gradient(135deg, #123822, #1c5732);
    border: 1px solid rgba(74, 222, 128, .18);
    border-radius: 10px 10px 10px 4px;
    font-size: .75rem;
    font-weight: 720;
}

.admin-recent-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-recent-copy strong {
    overflow: hidden;
    font-size: .75rem;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-recent-copy small {
    margin-top: .22rem;
    overflow: hidden;
    color: var(--portal-text-muted);
    font-size: .6rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-course-status {
    padding: .28rem .48rem;
    color: var(--portal-text-muted);
    background: var(--portal-bg);
    border: 1px solid var(--portal-border);
    border-radius: 999px;
    font: 600 .55rem/1 "IBM Plex Mono", monospace;
    text-transform: uppercase;
}

.admin-course-status.is-active {
    color: #36c96b;
    background: var(--portal-accent-soft);
    border-color: color-mix(in srgb, var(--portal-accent) 28%, transparent);
}

.admin-recent-arrow {
    color: var(--portal-text-muted);
    transition: color .15s ease, transform .15s ease;
}

.admin-recent-item:hover .admin-recent-arrow {
    color: var(--portal-accent);
    transform: translateX(3px);
}

.admin-empty-state {
    display: grid;
    place-items: center;
    min-height: 265px;
    padding: 2rem;
    color: var(--portal-text-muted);
    text-align: center;
}

.admin-empty-state > span { color: var(--portal-accent); font-size: 2rem; }
.admin-empty-state strong { margin-top: .5rem; color: var(--portal-text); font-size: .85rem; }
.admin-empty-state p { max-width: 280px; margin: .2rem 0 0; font-size: .7rem; }

@media (min-width: 768px) {
    .admin-sidebar.offcanvas-md {
        position: sticky;
        top: 0;
        height: 100vh;
        visibility: visible !important;
        transform: none !important;
    }

    .admin-sidebar-mobile-header { display: none; }
}

@media (max-width: 1199.98px) {
    .admin-kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 767.98px) {
    .admin-sidebar {
        width: min(88vw, 292px) !important;
        min-height: 100vh;
        border-right: 1px solid var(--admin-sidebar-border);
        border-bottom: 0;
    }

    .admin-sidebar-body { padding: .5rem 1rem 1.25rem; }
    .admin-menu-trigger { display: block; }
    .admin-topbar { min-height: 64px; }
    .admin-topbar-context > div { display: none; }
    .admin-theme-toggle .tema-label { display: none; }
    .admin-theme-toggle { width: 40px; padding: 0; }
    .admin-view-portal { min-height: 40px; font-size: 0; }
    .admin-view-portal svg { width: 18px; height: 18px; }
    .admin-page-header { align-items: flex-start; flex-direction: column; gap: 1rem; }
    .admin-page-actions { width: 100%; justify-content: space-between; }
    .admin-kpi-grid { grid-template-columns: 1fr 1fr; }
    .admin-kpi-card { min-height: 96px; padding: .75rem .9rem; }
    .admin-kpi-icon { width: 30px; height: 30px; }
    .admin-kpi-copy > strong { font-size: 1.5rem; }
}

@media (max-width: 499.98px) {
    .admin-kpi-grid { grid-template-columns: 1fr; }
    .admin-kpi-card { min-height: 96px; }
    .admin-course-status { display: none; }
    .admin-recent-item { grid-template-columns: 38px minmax(0, 1fr) 18px; }
    .admin-volume-row > div { align-items: flex-start; flex-direction: column; gap: .1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .admin-sidebar .admin-nav-link,
    .admin-kpi-card,
    .admin-recent-arrow,
    .admin-quick-actions a > span:last-child {
        transition: none;
    }
}

.avaliacao-form fieldset {
    min-width: 0;
    margin: 0 0 1rem;
}

.avaliacao-form legend,
.comentario-form label {
    margin-bottom: .55rem;
    color: var(--portal-text);
    font-size: .78rem;
    font-weight: 700;
}

.estrelas-input {
    display: inline-flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: .1rem;
}

.estrelas-input input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.estrelas-input label {
    color: color-mix(in srgb, var(--portal-text-muted) 38%, transparent);
    cursor: pointer;
    font-size: 1.85rem;
    line-height: 1;
    transition: color .14s ease, transform .14s ease;
}

.estrelas-input label:hover,
.estrelas-input label:hover ~ label,
.estrelas-input input:checked ~ label {
    color: #f4b942;
}

.estrelas-input label:hover { transform: translateY(-2px) scale(1.05); }
.estrelas-input input:focus-visible + label {
    border-radius: .15rem;
    outline: 2px solid var(--portal-accent);
    outline-offset: 3px;
}

.comentarios-painel { min-width: 0; }

.comentario-form {
    padding: clamp(1.25rem, 3vw, 2rem);
    border-bottom: 1px solid var(--portal-border);
}

.comentario-form label { display: block; }

.comentario-form textarea {
    display: block;
    width: 100%;
    padding: .85rem 0;
    resize: vertical;
    border: 0;
    border-bottom: 1px solid var(--portal-border);
    border-radius: 0;
    outline: 0;
    background: transparent;
    color: var(--portal-text);
    line-height: 1.55;
    transition: border-color .15s ease;
}

.comentario-form textarea::placeholder { color: var(--portal-text-muted); }
.comentario-form textarea:focus { border-color: var(--portal-accent); }

.comentario-form-rodape {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: .75rem;
}

.comentario-form-rodape span {
    color: var(--portal-text-muted);
    font-size: .68rem;
}

.comentarios-lista {
    padding: 0;
    margin: 0;
    list-style: none;
}

.comentario-item {
    display: grid;
    grid-template-columns: 2.4rem minmax(0, 1fr);
    gap: .85rem;
    padding: 1.25rem clamp(1.25rem, 3vw, 2rem);
    border-bottom: 1px solid var(--portal-border);
}

.comentario-item:last-child { border-bottom: 0; }

.comentario-avatar {
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border: 1px solid color-mix(in srgb, var(--portal-accent) 45%, var(--portal-border));
    border-radius: 50%;
    background: var(--portal-accent-soft);
    color: var(--portal-accent);
    font-family: Georgia, Cambria, serif;
    font-size: 1rem;
}

.comentario-item article { min-width: 0; }
.comentario-item header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.comentario-item strong { font-size: .84rem; }
.comentario-item time {
    flex: 0 0 auto;
    color: var(--portal-text-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .62rem;
}

.comentario-item p {
    margin: .45rem 0 0;
    color: var(--portal-text-muted);
    font-size: .86rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
    white-space: pre-line;
}

.comentarios-vazio {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 150px;
    padding: 2rem;
    color: var(--portal-text-muted);
}

.comentarios-vazio > span {
    color: var(--portal-accent);
    font-size: 1.8rem;
}

.comentarios-vazio strong { color: var(--portal-text); }
.comentarios-vazio p { margin: .25rem 0 0; font-size: .82rem; }

@media (max-width: 767.98px) {
    .aula-cabecalho { flex-direction: column; gap: .75rem; }
    .aula-cabecalho-acoes { width: 100%; justify-content: space-between; }
    .aula-comunidade-cabecalho { align-items: flex-start; flex-direction: column; }
    .aula-comunidade-grid { grid-template-columns: 1fr; }
    .avaliacao-painel { border-right: 0; border-bottom: 1px solid var(--portal-border); }
}

@media (max-width: 420px) {
    .aula-cabecalho-acoes { align-items: stretch; flex-direction: column; }
    .avaliacao-atalho { justify-content: space-between; }
    .avaliacao-resumo { align-items: flex-start; }
    .comentario-form-rodape { align-items: stretch; flex-direction: column; }
    .comentario-item { grid-template-columns: 2rem minmax(0, 1fr); gap: .65rem; }
    .comentario-avatar { width: 2rem; height: 2rem; }
    .comentario-item header { align-items: flex-start; flex-direction: column; gap: .2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .estrelas-input label { transition: none; }
}

/* Integração da sala imersiva com navegação, avaliações e comentários. */
.learning-player-shell.aula-player-shell {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    place-items: center;
    gap: 0;
}

.learning-player-shell > .learning-player-wrapper {
    grid-area: 1 / 1;
}

.learning-player-shell > .learning-empty-state {
    grid-area: 1 / 1;
}

.learning-player-shell > .learning-player-nav {
    position: absolute;
    z-index: 4;
}

.learning-player-shell > .learning-player-nav.is-disabled {
    pointer-events: none;
}

.learning-player-shell > .learning-player-nav.is-disabled:hover {
    border-color: rgba(255, 255, 255, .13);
    color: rgba(255, 255, 255, .78);
    background: rgba(12, 23, 17, .76);
    transform: translateY(-50%);
}

.learning-lesson-statuses {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: flex-end;
    gap: .55rem;
}

.learning-rating-shortcut.avaliacao-atalho {
    min-height: 2.15rem;
    padding: .38rem .65rem;
    border: 1px solid var(--learning-stage-border);
    border-radius: 999px;
    color: var(--learning-stage-muted);
    background: rgba(255, 255, 255, .025);
    font-size: .68rem;
    font-weight: 700;
    transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.learning-rating-shortcut.avaliacao-atalho:hover,
.learning-rating-shortcut.avaliacao-atalho:focus-visible {
    border-color: rgba(244, 185, 66, .42);
    color: var(--learning-stage-text);
    background: rgba(244, 185, 66, .06);
}

.learning-community.aula-comunidade {
    margin-top: 0;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    scroll-margin-top: 1.5rem;
    border-top: 1px solid var(--learning-stage-border);
    color: var(--learning-stage-text);
    background:
        linear-gradient(115deg, rgba(40, 209, 124, .045), transparent 26rem),
        var(--learning-stage-elev);
}

.learning-community .aula-comunidade-cabecalho {
    padding-top: 0;
}

.learning-community .aula-comunidade-cabecalho h2 {
    color: var(--learning-stage-text);
    font-family: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
    font-weight: 600;
}

.learning-community .aula-comunidade-grid {
    border-color: var(--portal-border);
}

.learning-community .avaliacao-media,
.learning-community .comentario-avatar {
    font-family: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
}

.learning-shell > main > .alert {
    position: fixed;
    z-index: 90;
    top: 5.5rem;
    left: 50%;
    width: min(calc(100% - 2rem), 34rem);
    margin: 0;
    box-shadow: var(--learning-shadow);
    transform: translateX(-50%);
}

@media (max-width: 699.98px) {
    .learning-lesson-statuses {
        align-items: flex-end;
        flex-direction: column-reverse;
    }

    .learning-rating-shortcut.avaliacao-atalho {
        min-height: auto;
        padding: 0;
        border: 0;
        background: transparent;
    }

    .learning-rating-shortcut .avaliacao-atalho-estrelas { display: none; }
    .learning-community.aula-comunidade { padding: 1.35rem 1rem 2rem; }
}

/* Banner de consentimento de cookies (LGPD) */
.cookie-banner {
    position: fixed;
    inset-inline: 0;
    bottom: 0;
    z-index: 1080;
    background: var(--portal-bg-elev, #16211d);
    border-top: 1px solid var(--portal-border, #2a3a33);
    box-shadow: 0 -8px 24px var(--portal-shadow, rgba(0,0,0,.35));
    padding: 1rem;
}
.cookie-banner-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .75rem 1.25rem;
    justify-content: space-between;
}
.cookie-banner-text {
    flex: 1 1 320px;
    color: var(--portal-text, #e6efe9);
    font-size: .9rem;
}
.cookie-banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
}
/* Sem dark pattern: aceitar e rejeitar têm o mesmo peso visual/tamanho. */
.cookie-banner-actions .btn { min-width: 9.5rem; }

/* Faixa fixa de base de teste: alerta o desenvolvedor de que a aplicação está
   conectada a uma base de teste, evitando operar por engano na base errada.
   Fica grudada no topo (sticky) acima da navbar, com listras de aviso. */
.faixa-base-teste {
    position: sticky;
    top: 0;
    z-index: 1080;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: .35rem .75rem;
    padding: .3rem 1rem;
    background: repeating-linear-gradient(
        45deg,
        #b45309,
        #b45309 12px,
        #92400e 12px,
        #92400e 24px);
    color: #fff8e1;
    font-size: .8rem;
    line-height: 1.2;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
}
.faixa-base-teste-rotulo {
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: .05rem .5rem;
    border-radius: .2rem;
    background: rgba(0, 0, 0, .28);
}
.faixa-base-teste-detalhe {
    font-family: var(--bs-font-monospace, monospace);
    opacity: .95;
}