/* =====================================================================
   Cursos do aluno: player, página do curso, lista de cursos e anotações
   ===================================================================== */

/* ---------- Player ---------- */
.pa-player { position: relative; border-radius: 16px; overflow: hidden; background: #000; outline: none; box-shadow: var(--g-shadow); }
.pa-player:focus-visible { box-shadow: 0 0 0 3px rgba(var(--g-accent-rgb), .55); }
.pa-player:fullscreen { border-radius: 0; display: flex; flex-direction: column; }
.pa-player:fullscreen .pa-video { flex: 1; aspect-ratio: auto; }
.pa-video { position: relative; aspect-ratio: 16 / 9; background: #000; }
.pa-video iframe, .pa-video > div:first-child { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pa-pelicula { position: absolute; inset: 0; z-index: 2; cursor: pointer; }
.pa-capa { position: absolute; inset: 0; z-index: 3; border: 0; padding: 0; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
           background-size: cover; background-position: center; background-color: #000; }
.pa-capa::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.6)); transition: background .2s ease; }
.pa-capa:hover::before { background: linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.45)); }
.pa-capa-play { position: relative; width: 78px; height: 78px; border-radius: 50%; display: grid; place-items: center; background: var(--g-accent); color: var(--g-on-accent);
                box-shadow: 0 10px 30px rgba(var(--g-accent-rgb), .5); transition: transform .2s ease; }
.pa-capa-play .mud-icon-root { font-size: 44px; }
.pa-capa:hover .pa-capa-play { transform: scale(1.08); }
.pa-capa-retomar { position: relative; padding: 6px 14px; border-radius: 999px; background: rgba(0,0,0,.6); color: #fff; font-size: .85rem; font-weight: 600; }
.pa-carregando { position: absolute; inset: 0; z-index: 3; display: grid; place-items: center; pointer-events: none; }
.pa-erro { position: absolute; inset: 0; z-index: 4; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 20px; text-align: center; color: #fff; background: rgba(0,0,0,.8); }
.pa-controles { background: #0d0f14; color: #e8eaed; padding: 6px 10px 6px; }
.pa-barra { position: relative; height: 6px; margin: 6px 4px 8px; border-radius: 999px; background: rgba(255,255,255,.18); cursor: pointer; transition: height .15s ease; }
.pa-barra:hover { height: 10px; margin-top: 4px; margin-bottom: 6px; }
.pa-barra-carregado { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: rgba(255,255,255,.28); }
.pa-barra-assistido { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: var(--g-accent); }
.pa-barra-assistido::after { content: ""; position: absolute; right: -6px; top: 50%; width: 12px; height: 12px; border-radius: 50%; background: var(--g-accent); transform: translateY(-50%) scale(0); transition: transform .15s ease; }
.pa-barra:hover .pa-barra-assistido::after { transform: translateY(-50%) scale(1); }
.pa-barra-marca { position: absolute; top: -3px; width: 4px; height: calc(100% + 6px); border-radius: 2px; background: #facc15; transform: translateX(-2px); pointer-events: none; }
.pa-botoes { display: flex; align-items: center; gap: 2px; }
.pa-botoes .mud-icon-button { color: #e8eaed; }
.pa-botoes .mud-icon-button:hover { background: rgba(255,255,255,.08); }
.pa-tempo { margin-left: 8px; font-size: .86rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pa-tempo small { color: #9aa0a6; }
.pa-espaco { flex: 1; }
.pa-velocidade { min-width: 46px; padding: 4px 8px; border-radius: 8px; border: 1px solid rgba(255,255,255,.25); background: transparent; color: #e8eaed; font: 600 .82rem/1.2 inherit; cursor: pointer; }
.pa-velocidade:hover { background: rgba(255,255,255,.08); }

/* ---------- Página do curso ---------- */
.cd-topo { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.cd-voltar { display: inline-flex; align-items: center; gap: 4px; color: var(--g-text-2); text-decoration: none; font-weight: 600; font-size: .86rem; white-space: nowrap; }
.cd-voltar:hover { color: var(--g-accent); }
.cd-topo-info { flex: 1; min-width: 220px; }
.cd-topo-info h1 { margin: 0 0 6px; font-size: 1.35rem; color: var(--g-text); line-height: 1.25; }
.cd-topo-progresso { display: flex; align-items: center; gap: 10px; }
.cd-trilho, .mc-trilho { display: block; flex: 1; max-width: 320px; height: 6px; border-radius: 999px; background: var(--g-surface-3); overflow: hidden; }
.cd-trilho span, .mc-trilho span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--g-success), var(--g-accent)); }
.cd-topo-progresso small { color: var(--g-text-2); white-space: nowrap; }
.cd-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 18px; align-items: start; }
.cd-principal { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.cd-aula { padding: 20px 22px; }
.cd-aula-topo { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.cd-aula-titulo { min-width: 0; flex: 1; }
.cd-rotulo { font-size: .76rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--g-accent); }
.cd-aula-titulo h2 { margin: 4px 0 8px; font-size: 1.3rem; line-height: 1.3; color: var(--g-text); }
.cd-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cd-tags span, .na-tags span { padding: 3px 10px; border-radius: 999px; font-size: .74rem; font-weight: 600; background: var(--g-accent-soft); color: var(--g-accent); }
.cd-tags span.suave, .na-tags span.suave { background: var(--g-surface-2); color: var(--g-text-2); }
.cd-aula-acoes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cd-concluida { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: 999px; background: var(--g-success-soft); color: var(--g-success); font-weight: 700; font-size: .86rem; }
.cd-praticar { display: flex; align-items: center; gap: 14px; margin-top: 16px; padding: 14px 16px; border-radius: 14px; text-decoration: none;
               border: 1px solid rgba(var(--g-accent-rgb), .35); background: linear-gradient(90deg, var(--g-accent-soft), transparent); color: var(--g-text); transition: transform .15s ease, border-color .15s ease; }
.cd-praticar:hover { border-color: var(--g-accent); transform: translateY(-1px); }
.cd-praticar-icone { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--g-accent); color: var(--g-on-accent); flex-shrink: 0; }
.cd-praticar-texto { flex: 1; display: flex; flex-direction: column; line-height: 1.3; }
.cd-praticar-texto small { color: var(--g-text-2); }
.cd-praticar > .mud-icon-root { color: var(--g-accent); }
.cd-fim { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 16px; padding: 16px; border-radius: 14px; background: var(--g-success-soft); border: 1px solid rgba(var(--g-success-rgb), .4); }
.cd-fim > .mud-icon-root { font-size: 34px; color: var(--g-warning); }
.cd-fim > div { flex: 1; min-width: 200px; display: flex; flex-direction: column; }
.cd-fim strong { color: var(--g-text); }
.cd-fim span { color: var(--g-text-2); font-size: .88rem; }
.cd-abas { margin-top: 12px; }
.cd-descricao { margin: 0; white-space: pre-line; line-height: 1.7; color: var(--g-text); }
.cd-sem-descricao { margin: 0; color: var(--g-text-3); }
.cd-lateral { padding: 0; position: sticky; top: calc(var(--mud-appbar-height, 64px) + 16px); max-height: calc(100vh - var(--mud-appbar-height, 64px) - 32px); display: flex; flex-direction: column; overflow: hidden; }
.cd-lateral-topo { padding: 16px 18px; border-bottom: 1px solid var(--g-border); display: flex; flex-direction: column; }
.cd-lateral-topo strong { color: var(--g-text); }
.cd-lateral-topo small { color: var(--g-text-2); }
.cd-modulos { overflow-y: auto; }
.cd-modulo { border-bottom: 1px solid var(--g-border); }
.cd-modulo-topo { width: 100%; display: flex; align-items: center; gap: 10px; padding: 14px 16px; border: 0; background: transparent; color: var(--g-text); font: inherit; text-align: left; cursor: pointer; }
.cd-modulo-topo:hover { background: var(--g-hover); }
.cd-modulo.aberto .cd-modulo-topo { background: var(--g-surface-2); }
.cd-modulo-info { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.cd-modulo-info strong { font-size: .9rem; }
.cd-modulo-info small { color: var(--g-text-2); font-size: .76rem; }
.cd-modulo-anel { --p: 0; width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center;
                  background: conic-gradient(var(--g-success) calc(var(--p) * 1%), var(--g-surface-3) 0); color: #fff; position: relative; }
.cd-modulo-anel::before { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--g-surface); }
.cd-modulo-anel .mud-icon-root { position: relative; color: var(--g-success); font-size: 16px; }
.cd-aulas { list-style: none; margin: 0; padding: 4px 0 8px; }
.cd-aula-item { width: 100%; display: flex; align-items: flex-start; gap: 10px; padding: 9px 16px 9px 18px; border: 0; border-left: 3px solid transparent; background: transparent;
                color: var(--g-text); font: inherit; text-align: left; cursor: pointer; transition: background .12s ease; }
.cd-aula-item:hover { background: var(--g-hover); }
.cd-aula-item.atual { background: var(--g-accent-soft); border-left-color: var(--g-accent); }
.cd-aula-status { padding-top: 1px; color: var(--g-text-3); }
.cd-aula-item.feita .cd-aula-status { color: var(--g-success); }
.cd-aula-item.atual .cd-aula-status { color: var(--g-accent); }
.cd-aula-texto { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.35; }
.cd-aula-nome { font-size: .86rem; }
.cd-aula-item.feita .cd-aula-nome { color: var(--g-text-2); }
.cd-aula-texto small { display: flex; align-items: center; gap: 8px; color: var(--g-text-3); font-size: .74rem; }
.cd-aula-notas { display: inline-flex; align-items: center; gap: 2px; color: var(--g-accent); }
.cd-vazio { padding: 40px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.cd-vazio > .mud-icon-root { font-size: 48px; color: var(--g-accent); }
.cd-vazio h2 { margin: 4px 0 0; font-size: 1.2rem; color: var(--g-text); }
.cd-vazio p { margin: 0 0 8px; color: var(--g-text-2); max-width: 460px; }

/* ---------- Anotações da aula ---------- */
.an-painel { display: flex; flex-direction: column; gap: 14px; }
.an-nova { border: 1px solid var(--g-border); border-radius: 14px; background: var(--g-surface-2); padding: 10px; }
.an-texto { width: 100%; min-height: 84px; resize: vertical; border: 0; outline: none; background: transparent; color: var(--g-text); font: inherit; font-size: .92rem; line-height: 1.55; padding: 4px 6px; }
.an-nova:focus-within { border-color: var(--g-accent); box-shadow: 0 0 0 3px rgba(var(--g-accent-rgb), .12); }
.an-nova-acoes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.an-dica { margin-left: auto; color: var(--g-text-3); font-size: .74rem; }
.an-vazio { display: flex; align-items: center; gap: 10px; padding: 12px; color: var(--g-text-2); font-size: .88rem; }
.an-vazio .mud-icon-root { color: var(--g-accent); }
.an-lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.an-item { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--g-border); background: var(--g-surface); }
.an-item.editando { border-color: var(--g-accent); }
.an-tempo { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 999px; border: 0; background: var(--g-accent-soft); color: var(--g-accent);
            font: 700 .78rem/1.3 inherit; font-variant-numeric: tabular-nums; cursor: pointer; white-space: nowrap; text-decoration: none; }
.an-tempo:hover { background: var(--g-accent); color: var(--g-on-accent); }
.an-corpo { flex: 1; min-width: 0; }
.an-corpo p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.55; color: var(--g-text); font-size: .92rem; }
.an-corpo small { color: var(--g-text-3); font-size: .74rem; }
.an-acoes { display: flex; flex-shrink: 0; }

/* ---------- Meus cursos ---------- */
.mc-resumo { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 16px; }
.mc-kpi { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.mc-kpi > div { display: flex; flex-direction: column; line-height: 1.2; }
.mc-kpi strong { font-size: 1.4rem; font-weight: 800; color: var(--g-text); }
.mc-kpi small { color: var(--g-text-2); }
.mc-kpi-icone { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--g-accent-soft); color: var(--g-accent); }
.mc-kpi-icone.verde { background: var(--g-success-soft); color: var(--g-success); }
.mc-kpi-icone.azul { background: var(--g-info-soft); color: var(--g-info); }
.mc-continuar { display: flex; align-items: center; gap: 16px; padding: 12px; margin-bottom: 18px; text-decoration: none; color: inherit; transition: border-color .15s ease, transform .15s ease; }
.mc-continuar:hover { border-color: var(--g-accent); transform: translateY(-1px); }
.mc-continuar-capa { width: 150px; aspect-ratio: 16 / 9; border-radius: 12px; background-size: cover; background-position: center; flex-shrink: 0; }
.mc-continuar-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.mc-continuar-info > small:first-child { color: var(--g-accent); font-weight: 700; font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; }
.mc-continuar-info strong { font-size: 1.1rem; color: var(--g-text); }
.mc-continuar-info small { color: var(--g-text-2); }
.mc-continuar-play { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--g-accent); color: var(--g-on-accent); flex-shrink: 0; margin-right: 6px; }
.mc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.mc-card { display: flex; flex-direction: column; overflow: hidden; text-decoration: none; color: inherit; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.mc-card:hover { transform: translateY(-3px); box-shadow: var(--g-shadow); border-color: rgba(var(--g-accent-rgb), .4); }
.mc-capa { position: relative; aspect-ratio: 16 / 9; background-size: cover; background-position: center; }
.mc-selo { position: absolute; top: 10px; left: 10px; display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: .72rem; font-weight: 700; background: rgba(0,0,0,.65); color: #fff; }
.mc-selo.verde { background: var(--g-success); }
.mc-corpo { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.mc-nome { font-size: 1rem; color: var(--g-text); line-height: 1.3; }
.mc-descricao { color: var(--g-text-2); font-size: .82rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mc-card .mc-trilho { max-width: none; margin-top: auto; }
.mc-rodape { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.mc-rodape small { color: var(--g-text-2); }
.mc-acao { display: inline-flex; align-items: center; gap: 4px; color: var(--g-accent); font-weight: 700; font-size: .86rem; }

/* ---------- Minhas anotações ---------- */
.na-filtros { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) 180px; gap: 12px; padding: 14px 16px; margin-bottom: 14px; }
.na-total { margin: 0 0 10px; color: var(--g-text-2); font-size: .86rem; }
.na-grupo { margin-bottom: 18px; }
.na-grupo-topo { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.na-grupo-topo > div { display: flex; flex-direction: column; line-height: 1.3; min-width: 0; }
.na-grupo-topo strong { color: var(--g-text); }
.na-grupo-topo small { color: var(--g-text-2); font-size: .8rem; }
.na-grupo-topo > span { min-width: 24px; height: 22px; padding: 0 8px; border-radius: 999px; display: grid; place-items: center; background: var(--g-surface-3); color: var(--g-text-2); font-size: .76rem; font-weight: 700; }
.na-itens { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 10px; }
.na-item { padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.na-item-topo { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.na-origem { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.na-aula { font-weight: 700; color: var(--g-text); font-size: .9rem; }
.na-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.na-texto { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.6; color: var(--g-text); font-size: .93rem; }
.na-item-rodape { display: flex; align-items: center; gap: 2px; margin-top: auto; }
.na-item-rodape small { flex: 1; color: var(--g-text-3); font-size: .76rem; }

/* ---------- Responsivo ---------- */
@media (max-width: 1100px) {
    .cd-layout { grid-template-columns: minmax(0, 1fr); }
    .cd-lateral { position: static; max-height: 520px; }
}
@media (max-width: 640px) {
    .pa-tempo small { display: none; }
    .cd-aula { padding: 16px; }
    .cd-aula-acoes { width: 100%; }
    .cd-aula-acoes .mud-button-root { flex: 1; }
    .mc-continuar-capa { width: 96px; }
    .na-filtros { grid-template-columns: minmax(0, 1fr); }
    .na-itens { grid-template-columns: minmax(0, 1fr); }
}

/* Pausado: cobre a tela de pausa do YouTube (título, sugestões e links para o canal) */
.pa-pausa { position: absolute; inset: 0; z-index: 3; border: 0; padding: 0; cursor: pointer; display: grid; place-items: center;
            background: radial-gradient(circle at center, rgba(0,0,0,.35), rgba(0,0,0,.82)); }
.pa-capa:not([style*="background-image"]) { background-image: radial-gradient(120% 120% at 100% 0%, rgba(var(--g-accent-rgb), .35), transparent 60%); }