@import url('https://fonts.googleapis.com/css2?family=Lora:wght@500;600&family=Inter:wght@400;500;600&display=swap');

:root {
    --navy-deep: #0d222b;
    --navy-mid: #16323e;
    --teal: #1c3f4d;
    --gold: #b08d57;
    --gold-soft: #cbab7a;
    --cream: #f6f3ec;
    --cream-card: #ffffff;
    --text-dark: #1c2226;
    --text-muted: #5c6a72;
    --border: #e4ddcf;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--cream);
    color: var(--text-dark);
    font-family: 'Inter', -apple-system, sans-serif;
    line-height: 1.6;
}

h1, h2, h3, .brand {
    font-family: 'Lora', Georgia, serif;
    font-weight: 600;
    letter-spacing: 0.01em;
}

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

/* ---------- Topo ---------- */
.topbar {
    background: linear-gradient(135deg, var(--navy-deep), var(--teal) 70%);
    color: #f2ede1;
    padding: 22px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar .brand {
    font-size: 20px;
    color: #fff;
}

.topbar .brand .wave {
    color: var(--gold-soft);
}

.topbar nav a {
    color: #d8dfe2;
    font-size: 14px;
    margin-left: 22px;
    transition: color .15s;
}

.topbar nav a:hover { color: var(--gold-soft); }

/* ---------- Hero (tela de login e topo do dashboard) ---------- */
.hero {
    background:
        radial-gradient(ellipse at top, rgba(203,171,122,.10), transparent 55%),
        linear-gradient(160deg, #0a1c24 0%, #14323d 55%, #1c4152 100%);
    color: #f2ede1;
    padding: 64px 32px 56px;
    text-align: center;
}

.hero h1 {
    font-size: 30px;
    margin: 0 0 10px;
    color: #fff;
}

.hero p {
    color: #c7d2d6;
    max-width: 480px;
    margin: 0 auto;
    font-size: 15px;
}

/* ---------- Containers ---------- */
.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.container.narrow { max-width: 560px; }

/* ---------- Cards de módulo ---------- */
.modulo-card {
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 26px 28px;
    margin-bottom: 18px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: border-color .15s, transform .15s;
}

.modulo-card:hover {
    border-color: var(--gold);
    transform: translateY(-1px);
}

.modulo-num {
    font-family: 'Lora', serif;
    color: var(--gold);
    font-size: 22px;
    min-width: 34px;
}

.modulo-card h2 {
    font-size: 18px;
    margin: 0 0 6px;
    color: var(--navy-deep);
}

.modulo-card p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
}

.modulo-card .contagem {
    font-size: 12px;
    color: var(--gold);
    margin-top: 8px;
    display: block;
}

/* ---------- Lista de aulas ---------- */
.aula-item {
    display: flex;
    gap: 16px;
    align-items: center;
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px 20px;
    margin-bottom: 12px;
}

.aula-item .tipo-icone {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--navy-deep);
    color: var(--gold-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.aula-item .info { flex: 1; }

.aula-item h3 {
    font-size: 15px;
    margin: 0 0 3px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.aula-item .meta {
    font-size: 12px;
    color: var(--text-muted);
}

.aula-item p {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* ---------- Página de aula ---------- */
.aula-header {
    margin-bottom: 24px;
}

.aula-header .breadcrumb {
    font-size: 13px;
    color: var(--gold);
    margin-bottom: 6px;
    display: block;
}

.aula-header h1 {
    font-size: 24px;
    margin: 0 0 6px;
    color: var(--navy-deep);
}

.aula-header .meta {
    font-size: 13px;
    color: var(--text-muted);
}

.midia-box {
    background: var(--navy-deep);
    border-radius: 8px;
    overflow: hidden;
    margin: 22px 0;
    min-height: 120px;
}

.midia-box.vazio {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #93a3aa;
    font-size: 13px;
    padding: 40px 20px;
    text-align: center;
}

.midia-box iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border: 0;
    display: block;
}

.audio-box {
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin: 22px 0;
}

.audio-box audio { width: 100%; }

.texto-aula {
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 30px 34px;
    margin: 22px 0;
    white-space: pre-line;
    font-size: 15px;
}

.materiais {
    margin-top: 28px;
}

.materiais h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gold);
    margin-bottom: 12px;
}

.material-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 14px 18px;
    margin-bottom: 10px;
}

.material-item .info { flex: 1; }
.material-item h4 { margin: 0 0 3px; font-size: 14px; }
.material-item p { margin: 0; font-size: 12px; color: var(--text-muted); }

.btn {
    display: inline-block;
    background: var(--gold);
    color: #fff;
    padding: 9px 18px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.btn:hover { background: #9c7a49; }

.btn.secundario {
    background: transparent;
    color: var(--navy-deep);
    border: 1px solid var(--border);
}

.btn.secundario:hover { border-color: var(--gold); }

.btn.desabilitado {
    background: var(--border);
    color: #9aa3a8;
    pointer-events: none;
}

.editar-link {
    font-size: 12px;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: 4px;
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.editar-link:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- Navegação entre aulas ---------- */
.nav-aulas {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

/* ---------- Formulários ---------- */
.card-form {
    background: var(--cream-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 32px;
}

.card-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin: 16px 0 6px;
    color: var(--navy-deep);
}

.card-form label:first-child { margin-top: 0; }

.card-form input[type=text],
.card-form input[type=password],
.card-form input[type=file],
.card-form textarea,
.card-form select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 5px;
    font-family: inherit;
    font-size: 14px;
    background: #fff;
}

.card-form textarea { min-height: 140px; resize: vertical; }
.card-form .ajuda { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.form-acoes {
    margin-top: 24px;
    display: flex;
    gap: 10px;
}

.alerta {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 18px;
}

.alerta.erro { background: #fbe9e7; color: #a03b2e; border: 1px solid #eec2ba; }
.alerta.sucesso { background: #eaf3ea; color: #2f6b39; border: 1px solid #c8e2c8; }

.login-box {
    max-width: 360px;
    margin: -30px auto 0;
    background: var(--cream-card);
    border-radius: 8px;
    padding: 34px;
    box-shadow: 0 20px 40px rgba(13,34,43,.15);
}

footer.rodape {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    padding: 30px;
}