/*
 * Academia SN — estilos de la zona privada.
 * Misma identidad que la web principal (SN/index.html): azul marino, dorado,
 * fondo crema, Inter para el texto y Playfair Display para los títulos.
 * Las fuentes se cargan en includes/plantilla.php (enlaces_head).
 */

:root {
    --navy: #071735;
    --navy2: #020817;
    --navy3: #0d2148;
    --gold: #d99a2b;
    --gold2: #f1b64d;
    --cream: #fbf7ef;
    --cream2: #fff3dc;
    --blanco: #fff;
    --texto: #111827;
    --texto-suave: #647084;
    --linea: rgba(7, 23, 53, .12);
    --verde: #15803d;
    --rojo: #b91c1c;
    --sombra: 0 16px 48px rgba(7, 23, 53, .07);
    --radio: 24px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--cream);
    color: var(--texto);
    line-height: 1.5;
}

a { color: var(--navy); }
a:hover { color: var(--gold); }
code { background: var(--cream2); padding: 1px 6px; border-radius: 6px; font-size: .88em; }

/* ---------- Barra superior (includes/plantilla.php) ---------- */

header.barra {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 12px 16px;
    background: linear-gradient(180deg, var(--cream) 60%, rgba(251, 247, 239, 0));
}
.barra-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    background: var(--navy);
    border-radius: 999px;
    padding: 8px 10px;
    box-shadow: 0 18px 42px rgba(7, 23, 53, .18);
}
header.barra a { color: var(--blanco); text-decoration: none; }
header.barra .marca { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .05em; font-size: 15px; }
header.barra .marca img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; border: 1px solid rgba(217, 154, 43, .5); }
header.barra .marca small { display: block; color: var(--gold2); font-weight: 700; font-size: 10px; letter-spacing: .16em; }
.barra-usuario { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
header.barra .usuario { color: rgba(255, 255, 255, .8); font-size: 13px; font-weight: 600; margin-right: 4px; }
header.barra .salir {
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 700;
    transition: .2s;
}
header.barra .salir:hover { background: rgba(255, 255, 255, .1); border-color: var(--gold); color: var(--gold); }

/* ---------- Estructura ---------- */

main {
    max-width: 1180px;
    margin: 18px auto;
    padding: 0 16px 60px;
}

.tarjeta {
    background: var(--blanco);
    border: 1px solid var(--linea);
    border-radius: var(--radio);
    padding: 26px 28px;
    margin-bottom: 20px;
    box-shadow: var(--sombra);
    overflow-x: auto; /* tablas anchas: se desplazan dentro de la tarjeta en el móvil */
}

h1, h2 { font-family: "Playfair Display", Georgia, serif; color: var(--navy); letter-spacing: -.02em; }
h1 { font-size: 2rem; line-height: 1.1; margin: 0 0 8px; }
h2 { font-size: 1.4rem; line-height: 1.2; margin: 0 0 14px; }
p.subt { color: var(--texto-suave); margin-top: 0; }

details > summary { cursor: pointer; color: var(--navy); padding: 6px 0; }
details > summary:hover { color: var(--gold); }

/* ---------- Tablas ---------- */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--linea); font-size: .94rem; vertical-align: middle; }
th { color: var(--gold); font-weight: 800; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; }
tbody tr:hover td { background: #fffaf0; }
tr:last-child td { border-bottom: none; }

/* ---------- Botones ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--navy);
    color: var(--blanco);
    border: 1px solid var(--navy);
    padding: 10px 18px;
    border-radius: 999px;
    font: inherit;
    font-size: .9rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: .2s;
    white-space: nowrap;
    align-self: center;
}
.btn:hover { background: var(--navy3); color: var(--blanco); }
.btn.dorado { background: var(--gold); border-color: var(--gold); color: var(--navy); box-shadow: 0 12px 26px rgba(217, 154, 43, .25); }
.btn.dorado:hover { background: var(--gold2); border-color: var(--gold2); color: var(--navy); }
.btn.secundario { background: var(--blanco); color: var(--navy); border-color: rgba(7, 23, 53, .25); }
.btn.secundario:hover { border-color: var(--gold); color: var(--navy); background: var(--cream2); }
.btn.peligro { background: var(--rojo); border-color: var(--rojo); color: var(--blanco); }
.btn.peligro:hover { background: #991b1b; }
.btn.pequeno { padding: 6px 12px; font-size: .8rem; }
.btn.ancho { width: 100%; padding: 13px 18px; margin-top: 22px; }

/* ---------- Formularios ---------- */

label { display: block; font-weight: 700; font-size: .85rem; color: var(--navy); margin: 14px 0 6px; }
input[type=text], input[type=password], select {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--linea);
    border-radius: 14px;
    background: var(--blanco);
    font: inherit;
    font-size: .95rem;
    color: var(--texto);
    transition: border-color .2s, box-shadow .2s;
}
input[type=text]:focus, input[type=password]:focus, select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 4px rgba(217, 154, 43, .18);
}
input[type=checkbox] { accent-color: var(--gold); width: 17px; height: 17px; }

.error { background: #fef2f2; color: var(--rojo); border: 1px solid #fecaca; padding: 12px 16px; border-radius: 16px; margin-bottom: 16px; font-size: .9rem; }
.ok { background: #f0fdf4; color: var(--verde); border: 1px solid #bbf7d0; padding: 12px 16px; border-radius: 16px; margin-bottom: 16px; font-size: .9rem; }

/* ---------- Navegación de materiales ---------- */

.migas { font-size: .85rem; color: var(--texto-suave); margin-bottom: 14px; }
.migas a { color: var(--navy); font-weight: 600; text-decoration: none; }
.migas a:hover { color: var(--gold); }

.lista-carpetas { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 6px; }
.lista-carpetas a {
    display: block;
    padding: 11px 14px;
    border: 1px solid var(--linea);
    border-radius: 14px;
    text-decoration: none;
    color: var(--navy);
    font-weight: 600;
    font-size: .93rem;
    transition: .2s;
}
.lista-carpetas a:hover { background: var(--cream2); border-color: var(--gold); color: var(--navy); }
.lista-carpetas a::before { content: "📁 "; }

.badge {
    display: inline-block;
    font-size: .7rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 999px;
    margin-right: 8px;
    letter-spacing: .03em;
    white-space: nowrap;
}
.badge-EXP { background: var(--navy); color: var(--gold2); }
.badge-EJE { background: #dbeafe; color: #1e3a8a; }
.badge-EJI { background: #cffafe; color: #155e75; }
.badge-SOL { background: var(--cream2); color: #92400e; }
.badge-EXI { background: #fee2e2; color: #991b1b; }
.badge-VID { background: #ede9fe; color: #5b21b6; }
.badge-OTRO { background: #eef0f3; color: #4b5563; }
.badge-abierto { background: #dcfce7; color: #166534; }

.fila-archivo { display: flex; align-items: center; gap: 10px; padding: 11px 4px; border-bottom: 1px solid var(--linea); flex-wrap: wrap; }
.fila-archivo:last-child { border-bottom: none; }
.fila-archivo .nombre { flex: 1; min-width: 200px; font-size: .93rem; }

.buscador { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.buscador input { flex: 1; min-width: 180px; }

.vacio { color: var(--texto-suave); font-size: .92rem; padding: 10px 0; }

/* ---------- Estadísticas ---------- */

.resumen { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 16px; }
.resumen > div { background: var(--cream); border: 1px solid var(--linea); border-radius: 18px; padding: 14px 16px; }
.resumen strong { display: block; font-family: "Playfair Display", Georgia, serif; font-size: 1.9rem; color: var(--navy); line-height: 1.1; }
.resumen span { color: var(--texto-suave); font-size: .85rem; }
.resumen .aviso strong { color: var(--rojo); }
.txt-rojo { color: var(--rojo); font-weight: 700; }
.txt-ambar { color: #b45309; font-weight: 700; }
.tabla-scroll { overflow-x: auto; }
.dos-columnas { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-top: 16px; }

/* ---------- Vídeo ---------- */

.video { display: block; width: 100%; max-height: 80vh; margin-top: 12px; background: #000; border-radius: 18px; }

/* ---------- Página de acceso (login.php) ---------- */

body.pagina-login {
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 110%, rgba(217, 154, 43, .38), transparent 55%),
        linear-gradient(180deg, rgba(2, 8, 23, .55), rgba(2, 8, 23, .88)),
        url("fondo-login.jpg") center / cover,
        var(--navy);
}
.login-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 32px 16px;
}
.login-caja {
    width: 100%;
    max-width: 400px;
    background: var(--blanco);
    border-radius: 28px;
    padding: 64px 30px 30px;
    margin-top: 46px;
    position: relative;
    text-align: center;
    box-shadow: 0 24px 80px rgba(2, 8, 23, .35);
}
.login-caja form { text-align: left; }
.login-logo {
    position: absolute;
    top: -46px;
    left: 50%;
    transform: translateX(-50%);
    width: 92px;
    height: 92px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(217, 154, 43, .75);
    box-shadow: 0 14px 36px rgba(0, 0, 0, .3);
}
.login-caja .etiqueta { margin: 0 0 6px; font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
.login-caja h1 { font-size: 2.4rem; margin-bottom: 6px; }
.login-volver { color: rgba(255, 255, 255, .8); font-weight: 600; font-size: .9rem; text-decoration: none; }
.login-volver:hover { color: var(--gold2); }

/* ---------- Móvil ---------- */

@media (max-width: 640px) {
    .barra-inner { border-radius: 24px; padding: 8px 12px; }
    .tarjeta { padding: 20px 18px; border-radius: 20px; }
    h1 { font-size: 1.6rem; }
    th, td { padding: 9px 8px; font-size: .88rem; }
}