@import url('tokens.css');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-base);
    background: var(--bg-base);
    color: var(--text-primary);
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ---------- Botões ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 150ms ease-out, background 150ms ease-out, color 150ms ease-out;
}

.btn:hover {
    transform: translateY(-1px);
}

/* O ícone nunca encolhe nem vira item de flex indesejado */
.btn svg {
    flex-shrink: 0;
}

.btn-primary {
    background: var(--gold-500);
    color: var(--navy-950);
    border: 1px solid rgba(0, 0, 0, 0.25);
    box-shadow: 0 0 0 1px rgba(255, 195, 0, 0.15);
}

.btn-primary:hover {
    background: var(--gold-400);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Botão fosco com borda dourada, para ações secundárias que precisam ter
   presença sem competir com o CTA dourado sólido. */
.btn-glass {
    background: rgba(0, 0, 16, 0.55);
    color: var(--text-primary);
    border: 1px solid var(--gold-500);
}

.btn-glass:hover,
.btn-glass:focus-visible {
    background: var(--gold-500);
    color: var(--navy-950);
    border-color: var(--gold-500);
}

.btn-block {
    width: 100%;
}

/* ---------- Inputs ---------- */
.field {
    margin-bottom: var(--space-5);
}

.field label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    font-weight: 500;
}

.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--navy-800);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 150ms ease-out;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--gold-500);
}

.alert {
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: var(--space-5);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.alert-warning {
    background: rgba(255, 195, 0, 0.1);
    border: 1px solid rgba(255, 195, 0, 0.32);
    color: #ffdd66;
}

/* ============================================================
   Tela de login — painel duplo
   Esquerda: gradiente de marca com retícula de pontos
   Direita: formulário
   ============================================================ */
.login-page {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    /* Escadinha do jato com céu nublado bem claro — o véu navy aqui precisa
       ser pesado logo no topo, não só na base: diferente da foto anterior
       (céu escuro no alto), esta é branca/estourada em quase todo o quadro,
       e o card claro do painel precisa de contraste garantido em qualquer área. */
    background:
        linear-gradient(180deg,
            rgba(0, 0, 30, 0.62) 0%,
            rgba(0, 0, 26, 0.68) 45%,
            rgba(0, 0, 20, 0.74) 82%,
            rgba(0, 0, 14, 0.80) 100%),
        url('/assets/img/fundo-login.jpg') center / cover no-repeat;
    background-color: var(--navy-950);
    overflow: hidden;
}

.login-shell {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    width: 100%;
    max-width: 1100px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: rgba(10, 10, 61, 0.42);
    -webkit-backdrop-filter: blur(22px) saturate(130%);
    backdrop-filter: blur(22px) saturate(130%);
    box-shadow:
        0 28px 70px rgba(0, 0, 0, 0.55),
        0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Borda de vidro: anel de 1px em degradê, como luz batendo na quina */
.login-shell::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        140deg,
        rgba(255, 255, 255, 0.42) 0%,
        rgba(255, 255, 255, 0.10) 26%,
        rgba(255, 255, 255, 0.03) 55%,
        rgba(255, 255, 255, 0.10) 78%,
        rgba(255, 195, 0, 0.30) 100%
    );
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 3;
}

/* ============================================================
   Painel esquerdo: rota de voo
   Em vez de um gradiente decorativo, a área vazia entre o logo e o
   texto carrega a única imagem que pertence de verdade ao vocabulário
   da Flight Director: uma rota, do ponto de partida (embaixo, onde
   está o texto — "você está aqui") até o destino (o brilho no alto).
   O céu por trás (herdado do card) fica visível, fosco, como no
   restante do card — o painel deixou de ser um bloco à parte.
   ============================================================ */
.login-aside {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* Altura casada com a da tela de cadastro (4 campos), para que o bloco
       de texto caia no mesmo ponto ao navegar entre login e registro. */
    min-height: 700px;
    padding: var(--space-10);
    background: rgba(4, 4, 31, 0.60);
    isolation: isolate;
    overflow: hidden;
}

/* Brilho âmbar ancorado no ponto de destino da rota — um farol, não um
   blob solto. Único acento de cor do painel. */
.login-aside__art {
    position: absolute;
    top: -8%;
    right: -14%;
    width: 60%;
    aspect-ratio: 1;
    z-index: -2;
    background: radial-gradient(circle, rgba(255, 195, 0, 0.24) 0%, rgba(255, 195, 0, 0.07) 42%, transparent 72%);
    filter: blur(18px);
    pointer-events: none;
}

/* Retícula de pontos — textura de carta de navegação */
.login-aside::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.16) 1px, transparent 1.3px);
    background-size: 9px 9px;
    -webkit-mask-image: radial-gradient(ellipse 82% 76% at 62% 40%, #000 8%, transparent 70%);
    mask-image: radial-gradient(ellipse 82% 76% at 62% 40%, #000 8%, transparent 70%);
    mix-blend-mode: overlay;
    z-index: -1;
    pointer-events: none;
}

/* Vinheta: garante contraste do texto sobre o céu que atravessa o vidro */
.login-aside::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to top, rgba(4, 4, 31, 0.92) 0%, rgba(4, 4, 31, 0.42) 42%, transparent 68%),
        radial-gradient(ellipse 84% 84% at 46% 48%, transparent 34%, rgba(4, 4, 31, 0.70) 100%);
    z-index: -1;
    pointer-events: none;
}

/* A rota: linha fina do ponto de partida (embaixo) ao destino (o brilho) */
.login-chart {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.login-chart .route-line {
    stroke-dasharray: 320;
    stroke-dashoffset: 320;
    animation: route-draw 1500ms cubic-bezier(0.22, 1, 0.36, 1) 200ms forwards;
}

.login-chart .route-node {
    opacity: 0;
    transform-box: fill-box;
    transform-origin: center;
    animation: node-in 420ms ease-out forwards;
}

.login-chart .route-node--origin { animation-delay: 220ms; }
.login-chart .route-node--wp1    { animation-delay: 720ms; }
.login-chart .route-node--wp2    { animation-delay: 1180ms; }
.login-chart .route-node--dest   { animation-delay: 1620ms; }

@keyframes route-draw {
    to { stroke-dashoffset: 0; }
}

@keyframes node-in {
    from { opacity: 0; transform: scale(0.3); }
    to   { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
    .login-chart .route-line,
    .login-chart .route-node {
        animation: none;
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

.login-aside__logo {
    position: relative;
    width: 116px;
}

.login-aside__content {
    position: relative;
}

/* Eyebrow ancorado por um traço curto — evita que a etiqueta flutue solta */
.login-aside__eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: var(--space-5);
}

.login-aside__eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--gold-500);
    opacity: 0.7;
    flex-shrink: 0;
}

/* Título ecoa a construção do wordmark: metade leve + metade bold */
.login-aside__title {
    font-size: clamp(32px, 3.6vw, 42px);
    font-weight: 700;
    letter-spacing: -0.032em;
    line-height: 1.04;
    margin-bottom: var(--space-6);
}

.login-aside__title .t-light {
    display: block;
    font-weight: 300;
    color: rgba(245, 245, 247, 0.66);
    letter-spacing: -0.02em;
}

/* Linhas de apoio: bloco coeso, com marcador discreto ancorando cada fato.
   Medida larga o bastante para cada fato caber em uma linha só. */
.login-aside__lines {
    max-width: 44ch;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13.5px;
    line-height: 1.55;
    color: rgba(245, 245, 247, 0.72);
}

.login-aside__lines span {
    position: relative;
    padding-left: 18px;
}

.login-aside__lines span::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--gold-500);
    opacity: 0.85;
}

/* ---------- Painel direito: formulário ---------- */
.login-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-10) var(--space-8);
    /* Vidro escuro: deixa o fundo passar de leve sem competir com o texto. */
    background: rgba(2, 2, 12, 0.26);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
    backdrop-filter: blur(20px) saturate(130%);
    border-left: 1px solid rgba(255, 255, 255, 0.07);
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.022em;
    line-height: 1.15;
    margin-bottom: var(--space-2);
}

.login-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

/* Rótulos de campo: caixa alta com tracking largo. Em Inter o espaçamento
   precisa ser explícito para a etiqueta não parecer só texto encolhido. */
.login-panel .field label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* Campos com vidro mais discreto que o do botão: interior escuro, aresta de
   luz sutil. Contraste suficiente para o campo se destacar do painel sem
   competir com o botão. */
.login-panel .field input {
    background: rgba(0, 0, 16, 0.5);
    -webkit-backdrop-filter: blur(8px) saturate(120%);
    backdrop-filter: blur(8px) saturate(120%);
    border-color: rgba(255, 255, 255, 0.13);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.login-panel .field input:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.login-panel .field input:focus {
    border-color: var(--gold-500);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.input-icon {
    position: relative;
}

/* Filho direto apenas — o svg dentro do botão de olho tem posição própria */
.input-icon > svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
    transition: color 150ms ease-out;
}

.input-icon input {
    padding-left: 42px;
}

.input-icon input:focus + svg,
.input-icon:focus-within > svg {
    color: var(--gold-500);
}

/* ---------- Botão de olho (revelar senha) ---------- */
.input-icon.has-toggle input {
    padding-right: 46px;
}

.password-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 150ms ease-out, background 150ms ease-out;
}

.password-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.07);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--gold-500);
    outline-offset: 2px;
}

/* Enquanto a senha está visível, o botão fica dourado — o estado precisa
   ser óbvio para ninguém deixar a senha exposta sem perceber. */
.password-toggle[aria-pressed="true"] {
    color: var(--gold-500);
}

/* Alguns navegadores (Edge/Chrome) inserem o próprio olho; removemos
   para não ficarem dois botões no mesmo campo. */
.input-icon input::-ms-reveal,
.input-icon input::-ms-clear {
    display: none;
}

/* Botões do login/cadastro com mais altura que os do restante do sistema —
   aqui são a ação principal da tela, não controles de tabela. */
.login-panel .btn {
    padding: 16px 24px;
    font-size: 14.5px;
}

.login-panel .btn-primary {
    margin-top: var(--space-2);
}

/* Dica abaixo de um campo — regra que o usuário precisa saber antes de errar */
.field-hint {
    margin-top: 6px;
    font-size: 11.5px;
    color: var(--text-tertiary);
    line-height: 1.45;
}

/* Divisória com rótulo entre entrar e criar acesso */
.login-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-5) 0 var(--space-4);
    color: var(--text-tertiary);
    font-size: 11.5px;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.link-gold {
    color: var(--gold-400);
    font-weight: 500;
}

.link-gold:hover {
    text-decoration: underline;
}

.login-footer {
    margin-top: var(--space-6);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-subtle);
    font-size: 13.5px;
    text-align: center;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---------- Acessibilidade ---------- */
.field input:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--gold-500);
    outline-offset: 2px;
}

@media (max-width: 860px) {
    .login-shell {
        grid-template-columns: 1fr;
        max-width: 440px;
    }

    .login-aside {
        min-height: 0;
        gap: var(--space-8);
        padding: var(--space-6);
    }

    .login-aside__title {
        font-size: 26px;
    }

    .login-aside__lines {
        display: none;
    }

    .login-panel {
        padding: var(--space-8) var(--space-6);
    }
}

/* ============================================================
   Layout autenticado — mesmo vocabulário do login:
   fundo em degradê, superfícies de vidro escuro, aresta de luz.
   ============================================================ */
.app-layout {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    min-height: 100vh;
    padding: var(--space-4);
    /* Fundo da plataforma: mesma foto de aviação do login, quase apagada —
       véu bem leve para não competir com sidebar, cards e texto. */
    background:
        radial-gradient(ellipse 1500px 1200px at 50% 0%, rgba(255, 255, 255, 0.16) 0%, transparent 70%),
        linear-gradient(180deg,
            rgba(0, 0, 44, 0.88) 0%,
            rgba(0, 0, 34, 0.90) 45%,
            rgba(0, 0, 24, 0.93) 82%,
            rgba(0, 0, 16, 0.95) 100%),
        url('/assets/img/fundo-app.jpg') center / cover no-repeat fixed;
    background-color: var(--navy-950);
}

/* Cartão independente, como todo o resto da interface — não mais um
   painel colado nas bordas da tela. */
.sidebar {
    width: 240px;
    min-height: calc(100vh - var(--space-4) * 2);
    /* Mesmo azul quase preto do painel de formulário do login, fosco:
       o fundo da plataforma passa de leve por trás. */
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(2, 2, 12, 0.58);
    -webkit-backdrop-filter: blur(20px) saturate(130%);
    backdrop-filter: blur(20px) saturate(130%);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    padding: var(--space-6) var(--space-4);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: var(--space-4);
}

/* Logo horizontal (proporção ~7.8:1) — largura manda, altura acompanha */
.sidebar-logo {
    display: block;
    width: 100%;
    max-width: 178px;
    height: auto;
    margin: 0 auto var(--space-6);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

/* Rótulo de grupo — mesmo vocabulário do eyebrow usado em todo o app */
.sidebar-section {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: var(--space-5) 14px var(--space-3);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gold-500);
}

.sidebar-section::before {
    content: '';
    width: 13px;
    height: 1px;
    background: var(--gold-500);
    opacity: 0.75;
    flex-shrink: 0;
}

/* Item de menu como "pill": retângulo de cantos arredondados que se
   preenche de dourado quando é o destino atual — em vez do nó/rota
   anterior, que o cliente não gostou. */
.sidebar-item {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 14px;
    border-radius: var(--radius-md);
    font-size: 13.5px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: background 150ms ease-out, color 150ms ease-out;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: var(--gold-500);
    color: var(--navy-950);
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(255, 195, 0, 0.28);
}

/* O ícone só existe para alinhar — sem moldura própria, some dentro
   do pill em vez de flutuar como um botão à parte. */
.sidebar-item__node {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: inherit;
}

.sidebar-item--quiet {
    color: var(--text-tertiary);
}

/* Subitem de "Usuários" — mesmo padrão, um degrau para dentro e
   levemente menor, para deixar claro que pertence ao item acima. */
.sidebar-item--sub {
    margin-left: var(--space-5);
    padding: 8px 14px;
    font-size: 12.5px;
    animation: sidebar-sub-in 280ms ease-out;
}

.sidebar-item--sub .sidebar-item__node {
    width: 15px;
    height: 15px;
}

@keyframes sidebar-sub-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 40px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-item--sub {
        animation: none;
    }
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

/* ---------- Coluna direita: header + conteúdo ---------- */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Também um cartão à parte, com respiro antes do conteúdo abaixo —
   nada mais fica colado direto na borda da tela. */
/* Sem card por baixo de propósito: a foto do fundo aparece direto,
   os controles apenas flutuam por cima dela. */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-5);
    padding: var(--space-4) 0;
    margin-bottom: var(--space-4);
    background: transparent;
    position: sticky;
    top: var(--space-4);
    z-index: 20;
}

.header-search {
    position: relative;
    flex: 1;
    max-width: 460px;
}

.header-search svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
    transition: color 150ms ease-out;
}

.header-search:focus-within svg {
    color: var(--gold-500);
}

.header-search input {
    width: 100%;
    padding: 10px 14px 10px 40px;
    font-family: inherit;
    font-size: 13.5px;
    color: var(--text-primary);
    background: rgba(0, 0, 16, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: var(--radius-sm);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: border-color 150ms ease-out;
}

.header-search input::placeholder {
    color: var(--text-tertiary);
}

.header-search input:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.header-search input:focus {
    outline: none;
    border-color: var(--gold-500);
}

/* Remove o "x" nativo do input de busca, que destoa do tema */
.header-search input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

/* Sem busca na tela: o grupo de ações estica e separa os dois extremos —
   "Nova Aula" na esquerda, avatar mantido na direita de sempre. */
.header-actions--full {
    flex: 1;
    justify-content: space-between;
}

.btn-sm {
    padding: 9px 16px;
    font-size: 13px;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: var(--space-4);
    border-left: 1px solid var(--border-subtle);
}

.header-user__avatar {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy-950);
    background: var(--gold-500);
}

.header-user__info {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}

.header-user__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-user__role {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Estado vazio da busca */
.search-empty {
    padding: var(--space-6);
    text-align: center;
    font-size: 13.5px;
    color: var(--text-secondary);
}

.main-content {
    flex: 1;
    /* Sem padding no topo: o header (agora primeiro filho) fica no
       mesmo nível da sidebar, em vez de nascer mais baixo. Padding
       esquerdo menor que o direito — mais perto da sidebar de propósito. */
    padding: 0 var(--space-8) var(--space-8) var(--space-5);
    max-width: 1400px;
    width: 100%;
}

/* Cartão de título — mesmo tratamento de superfície dos demais blocos
   da página, em vez de texto solto direto sobre o fundo. */
.page-header {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    padding: var(--space-5) var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.4);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Eyebrow do cabeçalho — mesmo tratamento do painel de login */
.page-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: var(--space-3);
}

.page-eyebrow::before {
    content: '';
    width: 22px;
    height: 1px;
    background: var(--gold-500);
    opacity: 0.7;
    flex-shrink: 0;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.022em;
    line-height: 1.15;
}

/* Título de duas metades, ecoando a construção do wordmark */
.page-title .t-light {
    font-weight: 300;
    color: rgba(245, 245, 247, 0.66);
    letter-spacing: -0.015em;
}

.page-subtitle {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: var(--space-2);
}

/* ---------- Cards de aula ---------- */
/* Bandeja recuada — não outro card "levantado" por cima dos lesson-cards
   (isso seria caixa-dentro-de-caixa). Sombra interna e fundo mais fosco
   dão a leitura de "superfície que sustenta os itens", não de mais um
   cartão competindo com eles. */
.category-block {
    margin-bottom: var(--space-8);
    padding: var(--space-6);
    background: rgba(0, 0, 16, 0.24);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow:
        inset 0 2px 10px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(0, 0, 0, 0.2);
}

/* Título de categoria com traço à esquerda — mesma família do eyebrow */
.category-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-5);
}

/* Card de vidro: interior escuro, aresta de luz no topo */
.lesson-card {
    position: relative;
    display: block;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transition: transform 180ms ease-out, border-color 180ms ease-out, box-shadow 180ms ease-out;
}

.lesson-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        0 14px 32px rgba(0, 0, 0, 0.45);
}

.lesson-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(ellipse 70% 70% at 70% 25%, rgba(255, 195, 0, 0.16) 0%, transparent 62%),
        linear-gradient(135deg, #12124d 0%, #0a0a3d 55%, #05052a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.lesson-thumb .play-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0, 0, 16, 0.5);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}

.lesson-card:hover .play-icon {
    background: var(--gold-500);
    border-color: var(--gold-500);
    color: var(--navy-950);
}

/* Miniatura de manual (PDF) — mesmo cartão do vídeo, ícone de documento
   no lugar do play, sem o círculo de vidro (não é uma ação "reproduzir"). */
.lesson-thumb--doc svg {
    color: rgba(255, 255, 255, 0.5);
    transition: color 180ms ease-out;
}

.lesson-card:hover .lesson-thumb--doc svg {
    color: var(--gold-400);
}

.lesson-thumb--doc .duration-badge {
    letter-spacing: 0.06em;
}

/* Miniatura de infográfico em imagem — a própria imagem preenche o
   cartão (cover), como um thumbnail de vídeo real. */
.lesson-thumb--image {
    padding: 0;
}

.lesson-thumb--image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.lesson-thumb .duration-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 16, 0.72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    font-size: 11px;
    font-weight: 500;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
}

/* Estrela no canto oposto à duração — indicador visual, sem ação própria
   (o card inteiro já é um link; favoritar/desfavoritar acontece na aula). */
.favorite-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 16, 0.72);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 195, 0, 0.35);
    border-radius: 50%;
    color: var(--gold-500);
}

.lesson-body {
    padding: var(--space-4);
}

.lesson-module-tag {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gold-400);
    background: rgba(255, 195, 0, 0.12);
    border: 1px solid rgba(255, 195, 0, 0.2);
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-3);
}

.lesson-title {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.012em;
    line-height: 1.35;
    margin-bottom: var(--space-1);
}

.lesson-meta {
    font-size: 12px;
    color: var(--text-tertiary);
}

.lesson-progress-track {
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    margin-top: var(--space-3);
    overflow: hidden;
}

.lesson-progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #E8A400 0%, var(--gold-500) 100%);
}

/* ---------- Player ---------- */
.video-player-wrap {
    position: relative;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-6);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
}

/* Visualizador de manual (PDF) — mesmo tratamento de moldura do player
   de vídeo, com altura generosa (quase a tela toda) para leitura real,
   não uma pré-visualização em miniatura. */
.pdf-viewer-wrap {
    position: relative;
    background: #1c1c1c;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-6);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.5);
    height: calc(100vh - 220px);
    min-height: 700px;
}

.pdf-viewer-wrap iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* Visualizador de infográfico em imagem — sem moldura escura fixa,
   a imagem define sua própria altura (não faz sentido esticar um PNG
   pequeno até 700px de altura). */
.image-viewer-wrap {
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 16, 0.35);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.image-viewer-wrap img {
    max-width: 100%;
    max-height: calc(100vh - 260px);
    border-radius: var(--radius-sm);
    display: block;
}

.video-player-wrap video {
    width: 100%;
    display: block;
    aspect-ratio: 16 / 9;
    background: #000;
    cursor: pointer;
}

/* Botão central: o mesmo círculo de vidro dos thumbnails do dashboard —
   a promessa feita pelo card se cumpre aqui, não vira controle nativo
   do navegador. Some quando o vídeo está tocando. */
.video-center-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 0, 16, 0.5);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 8px 24px rgba(0, 0, 0, 0.4);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 180ms ease-out, transform 180ms ease-out;
}

.video-center-play:hover {
    background: var(--gold-500);
    color: var(--navy-950);
    transform: translate(-50%, -50%) scale(1.06);
}

.video-center-play svg {
    margin-left: 3px; /* triângulo de play tem viés óptico p/ esquerda */
}

.video-player-wrap.is-playing .video-center-play {
    opacity: 0;
    pointer-events: none;
}

/* Barra de controles: gradiente subindo do preto, herdado da especificação
   original do player — legibilidade garantida sobre qualquer frame. */
.video-controls {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 28px var(--space-5) var(--space-4);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.35) 60%, transparent 100%);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 200ms ease-out, transform 200ms ease-out;
}

.video-player-wrap:hover .video-controls,
.video-player-wrap:focus-within .video-controls,
.video-player-wrap.is-paused .video-controls {
    opacity: 1;
    transform: translateY(0);
}

.video-controls__btn {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color 150ms ease-out;
}

.video-controls__btn:hover {
    color: var(--gold-400);
}

.video-controls__btn [data-icon].is-hidden {
    display: none;
}

.video-controls__time {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 500;
    color: rgba(245, 245, 247, 0.85);
    min-width: 34px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* A barra de progresso é dourada — a mesma cor que preenche o progresso
   dos cards de aula no dashboard. Mesma métrica, mesmo lugar visual. */
.video-controls__bar {
    position: relative;
    flex: 1;
    height: 14px;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.video-controls__bar::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
}

.video-controls__fill {
    position: absolute;
    left: 0;
    height: 4px;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, #E8A400 0%, var(--gold-500) 100%);
    pointer-events: none;
}

.video-controls__fill::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold-500);
    box-shadow: 0 0 0 3px rgba(255, 195, 0, 0.25);
    opacity: 0;
    transition: opacity 150ms ease-out;
}

.video-controls__bar:hover .video-controls__fill::after {
    opacity: 1;
}

/* ---------- Tabelas (admin) ---------- */
.table-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 14px 16px;
    font-size: 13.5px;
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.09em;
    background: rgba(255, 255, 255, 0.02);
}

tbody tr {
    transition: background 150ms ease-out;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

tr:last-child td {
    border-bottom: none;
}

.badge {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.badge-admin {
    background: rgba(255, 195, 0, 0.12);
    border-color: rgba(255, 195, 0, 0.24);
    color: var(--gold-400);
}

.badge-aluno {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-secondary);
}

.badge-active {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.28);
    color: #86efac;
}

.badge-inactive {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.28);
    color: #fca5a5;
}

.badge-pending {
    background: rgba(255, 195, 0, 0.14);
    border-color: rgba(255, 195, 0, 0.3);
    color: var(--gold-400);
}

.actions-row {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

/* Botões dentro de tabela ficam compactos — densidade importa aqui */
.actions-row .btn {
    padding: 7px 14px;
    font-size: 12.5px;
}

.inline-edit-form {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    flex-wrap: wrap;
}

.inline-edit-form--stacked {
    flex-direction: column;
    align-items: stretch;
    min-width: 260px;
    margin-top: var(--space-2);
}

.inline-edit-input,
.inline-edit-form select {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    padding: 6px 10px;
    font-size: 13px;
    font-family: inherit;
}

.btn-sm {
    padding: 7px 14px;
    font-size: 12.5px;
}

.inline-edit-details summary {
    cursor: pointer;
    list-style: none;
}

.inline-edit-details summary::-webkit-details-marker {
    display: none;
}

/* ---------- Progresso do usuário (admin/users.php) ---------- */
.progress-summary {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
}

.progress-line {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 11.5px;
}

.progress-line__label {
    width: 46px;
    flex-shrink: 0;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 10px;
}

.progress-track {
    flex: 1;
    height: 5px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.progress-fill {
    display: block;
    height: 100%;
    background: var(--gold-500);
    border-radius: inherit;
}

.progress-line__count {
    flex-shrink: 0;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    width: 34px;
    text-align: right;
}

.progress-detail {
    display: flex;
    gap: var(--space-5);
    margin-top: var(--space-3);
    padding: var(--space-3);
    background: rgba(0, 0, 16, 0.35);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    max-width: 480px;
}

.progress-detail__col {
    flex: 1;
    min-width: 0;
}

.progress-detail__title {
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gold-400);
    margin-bottom: var(--space-2);
}

.progress-detail__item {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: normal;
    padding: 2px 0;
}

.progress-detail__item.is-done {
    color: #86efac;
}

/* ---------- Cartões de monitoramento (admin/monitoring.php) ---------- */
.monitor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-4);
}

.monitor-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.monitor-card__head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.monitor-card__avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 195, 0, 0.12);
    border: 1px solid rgba(255, 195, 0, 0.28);
    color: var(--gold-400);
    font-weight: 700;
    font-size: 15px;
}

.monitor-card__identity {
    flex: 1;
    min-width: 0;
}

.monitor-card__name {
    font-size: 14.5px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.monitor-card__email {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.monitor-ring {
    position: relative;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
}

.monitor-ring svg circle {
    transition: stroke-dashoffset 500ms ease-out;
}

.monitor-ring__value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.monitor-card__bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

.monitor-card__details {
    margin-top: var(--space-3);
}

.monitor-card__details summary {
    cursor: pointer;
    list-style: none;
    font-size: 12px;
    color: var(--gold-400);
    font-weight: 600;
}

.monitor-card__details summary::-webkit-details-marker {
    display: none;
}

.monitor-card__details .progress-detail {
    max-width: none;
}

/* ---------- Manifesto de aulas (admin/lessons.php) ---------- */
.manifest-form {
    max-width: 620px;
}

.manifest-form__head {
    margin-bottom: var(--space-5);
}

.manifest-form__title {
    font-size: 20px;
    font-weight: 600;
    margin: var(--space-1) 0 0;
}

/* Zona de vídeo: substitui o input de arquivo nativo por uma área de
   arrastar-e-soltar que combina com o resto do manifesto — o chrome padrão
   do navegador (botão cinza + "nenhum arquivo escolhido") não tem lugar
   num painel escuro com acento dourado. */
.dropzone {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-align: center;
    padding: var(--space-6) var(--space-4);
    border: 1.5px dashed var(--border-subtle);
    border-radius: var(--radius-lg);
    background: rgba(0, 0, 16, 0.3);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 150ms ease-out, background 150ms ease-out;
}

.dropzone:hover,
.dropzone.is-dragging {
    border-color: var(--gold-500);
    background: rgba(255, 195, 0, 0.05);
}

.dropzone svg {
    color: var(--gold-400);
}

.dropzone__input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.dropzone__text {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.dropzone.has-file .dropzone__text {
    color: var(--gold-400);
}

.dropzone__hint {
    font-size: 11.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.server-path-input {
    font-family: 'Courier New', ui-monospace, monospace;
    font-size: 12.5px;
    letter-spacing: 0.01em;
}

.field-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 195, 0, 0.05);
    border: 1px solid rgba(255, 195, 0, 0.15);
    border-radius: var(--radius-sm);
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.field-note svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--gold-400);
}

.field-note code {
    font-family: 'Courier New', ui-monospace, monospace;
    color: var(--gold-400);
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 11.5px;
}

.field-hint {
    margin: var(--space-1) 0 0;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Alternância entre "enviar agora" e "já está no servidor" — puramente em
   CSS via radio + sibling selector, sem depender de JS. */
.source-tabs {
    position: relative;
    margin-bottom: var(--space-5);
}

.source-tabs input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.source-tabs__switch {
    display: flex;
    gap: var(--space-1);
    background: rgba(0, 0, 16, 0.35);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: var(--space-4);
}

.source-tabs__tab {
    flex: 1;
    text-align: center;
    padding: 8px 12px;
    font-size: 12.5px;
    font-weight: 600;
    border-radius: calc(var(--radius-sm) - 2px);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 150ms ease-out, color 150ms ease-out;
}

#mode-upload:checked ~ .source-tabs__switch label[for="mode-upload"],
#mode-ftp:checked ~ .source-tabs__switch label[for="mode-ftp"] {
    background: var(--gold-500);
    color: var(--navy-950);
}

.source-tabs__panel {
    display: block;
}

#mode-upload:checked ~ .source-tabs__panel[data-panel="ftp"],
#mode-ftp:checked ~ .source-tabs__panel[data-panel="upload"] {
    display: none;
}

/* Lista de aulas como manifesto — cada linha é um item conferível,
   não uma tabela genérica de admin. */
.manifest-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.manifest-row {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-5);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.manifest-row__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(255, 195, 0, 0.1);
    color: var(--gold-400);
}

.manifest-row__body {
    flex: 1;
    min-width: 0;
}

.manifest-row__tag {
    display: block;
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold-400);
    margin-bottom: 2px;
}

.manifest-row__title {
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.manifest-row__meta {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.form-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    max-width: 560px;
    margin-bottom: var(--space-6);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Rótulos e campos do sistema seguem o mesmo padrão do login */
.form-card .field label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.form-card .field input,
.form-card .field select,
.form-card .field textarea {
    background: rgba(0, 0, 16, 0.5);
    border-color: rgba(255, 255, 255, 0.13);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.form-card .field input:hover,
.form-card .field select:hover,
.form-card .field textarea:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   Painel administrativo
   Orientado a tarefa: o que exige ação vem primeiro, os números
   aparecem colados na coisa que descrevem — nunca soltos numa caixa.
   ============================================================ */
.panel-block {
    margin-bottom: var(--space-10);
    min-width: 0;
}

.panel-heading {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.panel-heading::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
    order: 1;
}

.panel-heading__link {
    order: 2;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.panel-heading__link:hover {
    color: var(--gold-400);
}

.panel-count {
    order: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: rgba(255, 195, 0, 0.14);
    border: 1px solid rgba(255, 195, 0, 0.3);
    color: var(--gold-400);
    font-size: 11px;
    font-weight: 700;
}

.panel-empty {
    padding: var(--space-6);
    border: 1px dashed rgba(255, 255, 255, 0.13);
    border-radius: var(--radius-md);
    font-size: 13.5px;
    color: var(--text-secondary);
}

/* Duas colunas assimétricas — evita a grade de caixas iguais */
.panel-columns {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
}

@media (max-width: 1040px) {
    .panel-columns {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* ---------- Lista de pendências ---------- */
.todo-list {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.todo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 14px var(--space-4);
    background: rgba(0, 0, 16, 0.55);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.todo__avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--navy-950);
    background: var(--gold-500);
}

/* Marcador para pendências que não são pessoas */
.todo__dot {
    width: 6px;
    height: 6px;
    flex-shrink: 0;
    margin: 0 13px;
    border-radius: 50%;
    background: var(--gold-500);
    opacity: 0.8;
}

.todo__body {
    flex: 1;
    min-width: 0;
}

.todo__title {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.35;
}

.todo__meta {
    margin-top: 2px;
    font-size: 12px;
    color: var(--text-tertiary);
}

.todo__action {
    flex-shrink: 0;
}

/* ---------- Feed de publicações ---------- */
/* Mesmo cartão que a Biblioteca já tinha — antes era a única lista
   sem moldura própria, flutuando solta sobre o fundo. */
.feed {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-2);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    backdrop-filter: blur(10px) saturate(120%);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.feed__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 12px var(--space-3);
    border-radius: var(--radius-sm);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 150ms ease-out;
}

.feed__item:last-child {
    border-bottom: none;
}

.feed__item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.feed__icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 195, 0, 0.1);
    border: 1px solid rgba(255, 195, 0, 0.2);
    color: var(--gold-400);
}

.feed__body {
    flex: 1;
    min-width: 0;
}

.feed__title {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.feed__path {
    margin-top: 2px;
    font-size: 11.5px;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.feed__time {
    flex-shrink: 0;
    font-size: 11.5px;
    color: var(--text-tertiary);
}

/* ---------- Estado da biblioteca ---------- */
.library {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.45);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.library__row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 12px var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.library__row:last-child {
    border-bottom: none;
}

.library__name {
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-primary);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.library__counts {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.library__sep {
    color: var(--text-tertiary);
    margin: 0 4px;
}

/* Categoria vazia é um problema, não um número — sinalizada como tal */
.library__row--empty .library__name {
    color: var(--text-secondary);
}

.library__flag {
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--gold-400);
    background: rgba(255, 195, 0, 0.12);
    border: 1px solid rgba(255, 195, 0, 0.26);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-height: 0;
        position: static;
        flex-direction: row;
        align-items: center;
        overflow-x: auto;
        gap: var(--space-3);
    }

    .sidebar-logo {
        flex-shrink: 0;
        max-width: 120px;
        margin: 0;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-shrink: 0;
    }

    .sidebar-item {
        white-space: nowrap;
    }

    .sidebar-section {
        display: none;
    }

    .sidebar-footer {
        display: none;
    }

    .sidebar-item--sub {
        margin-left: 0;
    }

    .app-layout {
        padding: var(--space-2);
        gap: var(--space-2);
    }

    .main-content {
        padding: 0 var(--space-3) var(--space-4);
    }

    .app-header {
        flex-wrap: wrap;
        gap: var(--space-2);
        padding: var(--space-3) 0;
        top: var(--space-2);
    }

    .header-search {
        order: 3;
        max-width: none;
        flex-basis: 100%;
    }

    .header-user__info {
        display: none;
    }

    .header-user {
        padding-left: var(--space-2);
    }

    .page-header {
        padding: var(--space-4);
        margin-bottom: var(--space-4);
    }

    .page-title {
        font-size: 22px;
    }

    .lesson-grid,
    .monitor-grid {
        grid-template-columns: 1fr;
    }

    .video-player-wrap {
        aspect-ratio: 16 / 9;
    }

    .pdf-viewer-wrap {
        height: 60vh;
        min-height: 360px;
    }

    .image-viewer-wrap img {
        max-height: 60vh;
    }

    .form-card,
    .manifest-form {
        max-width: 100%;
        padding: var(--space-4);
    }

    .manifest-row,
    .monitor-card {
        flex-wrap: wrap;
    }

    .actions-row {
        flex-wrap: wrap;
    }

    .inline-edit-form--stacked {
        min-width: 0;
        width: 100%;
    }

    .lesson-actions {
        flex-wrap: wrap;
    }

    .monitor-card__head {
        flex-wrap: wrap;
    }

    .source-tabs__switch {
        flex-wrap: wrap;
    }
}

/* ============================================================
   Aresta de vidro — mesmo anel de luz do card de login, agora nas
   superfícies "de vidro" da plataforma interna. Substitui a borda
   plana por um degradê fino que simula luz batendo na quina.
   ============================================================ */
.sidebar::after,
.page-header::after,
.lesson-card::after,
.table-card::after,
.form-card::after,
.todo-list::after,
.feed::after,
.library::after,
.video-player-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        140deg,
        rgba(255, 255, 255, 0.16) 0%,
        rgba(255, 255, 255, 0.04) 26%,
        rgba(255, 255, 255, 0.01) 55%,
        rgba(255, 255, 255, 0.04) 78%,
        rgba(255, 195, 0, 0.12) 100%
    );
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    mask-composite: exclude;
    pointer-events: none;
    z-index: 2;
}

/* ============================================================
   Retícula de pontos — mesma textura de carta de navegação da tela
   de login, agora também na sidebar e no cartão de título da página.
   ============================================================ */
.sidebar::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.14) 1px, transparent 1.3px);
    background-size: 9px 9px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 8%, transparent 70%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 8%, transparent 70%);
    mix-blend-mode: overlay;
    z-index: -1;
    pointer-events: none;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.14) 1px, transparent 1.3px);
    background-size: 9px 9px;
    -webkit-mask-image: radial-gradient(ellipse 60% 90% at 85% 50%, #000 8%, transparent 70%);
    mask-image: radial-gradient(ellipse 60% 90% at 85% 50%, #000 8%, transparent 70%);
    mix-blend-mode: overlay;
    z-index: -1;
    pointer-events: none;
}

/* Brilho que segue o cursor sobre a retícula de pontos — injetado via
   dot-spotlight.js. Mesma malha de pontos da textura base, só que mais
   clara, revelada apenas dentro de um círculo em torno do mouse. */
.dot-spotlight {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0;
    border-radius: inherit;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.24) 1px, transparent 1.3px);
    background-size: 9px 9px;
    -webkit-mask-image: radial-gradient(circle 120px at var(--mx, 50%) var(--my, 50%), #000 0%, transparent 100%);
    mask-image: radial-gradient(circle 120px at var(--mx, 50%) var(--my, 50%), #000 0%, transparent 100%);
    mix-blend-mode: overlay;
    pointer-events: none;
    transition: opacity 200ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .dot-spotlight {
        transition: none;
    }
}

/* ---------- Descrição da aula e ações ---------- */
.lesson-description {
    position: relative;
    margin-bottom: var(--space-6);
    padding: var(--space-5) var(--space-6);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(255, 255, 255, 0.01) 35%, transparent 60%), rgba(0, 0, 16, 0.35);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.lesson-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-2);
}