/* ============================================================
   Panel Profes — Estilo unificado con la identidad del club
   Los colores --c1 y --c2 vienen inyectados por header.php
   desde config_sitio (dinámicos según el club).
   ============================================================ */

:root {
    /* Estos los inyecta el header dinámicamente */
    --c1: #00c2d1;
    --c2: #1e7fff;
    --c1-rgb: 0, 194, 209;
    --c2-rgb: 30, 127, 255;

    /* Paleta base (constante en toda la plataforma) */
    --bg: #06090e;
    --surface: #0d141f;
    --surface-2: #131c2b;
    --surface-3: #1a2438;
    --border: rgba(120, 180, 255, 0.10);
    --border-strong: rgba(120, 180, 255, 0.18);
    --text: #e8eef6;
    --text-dim: #8fa3ba;
    --text-mute: #5c6b7d;

    /* Estados */
    --verde: #34d399;
    --amber: #fbbf24;
    --rose: #fb7185;

    /* Alias para compatibilidad con código viejo */
    --primary: var(--c1);
    --primary-soft: rgba(var(--c1-rgb), 0.12);
    --success: var(--verde);
    --warning: var(--amber);
    --danger: var(--rose);
    --border-2: var(--border-strong);
    --text-3: var(--text-mute);
    --text-2: var(--text-dim);
    --r: 10px;
}

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

body {
    font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    background-image:
        radial-gradient(1100px 700px at 85% -10%, rgba(var(--c1-rgb), 0.07), transparent 60%),
        radial-gradient(800px 500px at -10% 110%, rgba(var(--c2-rgb), 0.05), transparent 60%);
    font-size: 14px;
    line-height: 1.5;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.app {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 24px 16px 20px;
    display: flex;
    flex-direction: column;
    /* Sticky con altura máxima de viewport para scroll interno si es muy largo */
    position: sticky;
    top: 0;
    align-self: start;         /* clave: NO se estira con el grid row */
    max-height: 100vh;
    overflow-y: auto;
    box-sizing: border-box;
}

/* Extender el fondo del sidebar más allá de su altura visible */
/* Truco: pseudo-elemento con la misma columna del grid pero altura total */
.app::before {
    content: "";
    grid-row: 1;
    grid-column: 1;
    background: var(--surface);
    border-right: 1px solid var(--border);
    /* Ocupa toda la altura del grid */
    z-index: 0;
}

.sidebar {
    grid-row: 1;
    grid-column: 1;
    z-index: 1;
}

.main {
    grid-row: 1;
    grid-column: 2;
    padding: 32px 32px 60px;
    max-width: 1400px;
    width: 100%;
    min-width: 0;
    z-index: 1;
}

@media (max-width: 900px) {
    .app { grid-template-columns: 1fr; }
    .app::before { display: none; }
    .sidebar {
        position: relative;
        max-height: none;
        grid-column: 1;
    }
    .main { grid-column: 1; padding: 20px; }
}

/* ============================================================
   BRAND + SIDEBAR NAV
   ============================================================ */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 8px 22px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}
.brand-mark {
    width: 40px; height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
    display: grid; place-items: center;
    font-family: 'Archivo', sans-serif;
    font-weight: 800; font-size: 18px;
    letter-spacing: -0.02em;
    overflow: hidden;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-text {
    font-family: 'Archivo', sans-serif;
    font-weight: 800; font-size: 15px;
    letter-spacing: -0.01em;
    color: var(--text);
}
.brand-sub {
    font-size: 11px;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

nav { flex: 1; }
.group-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-mute);
    padding: 14px 12px 6px;
    font-weight: 700;
}
nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    margin-bottom: 2px;
    border-radius: 8px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s;
}
nav a svg { width: 18px; height: 18px; flex-shrink: 0; }
nav a:hover {
    background: var(--surface-2);
    color: var(--text);
}
nav a.active {
    background: linear-gradient(135deg, rgba(var(--c1-rgb), 0.15), rgba(var(--c2-rgb), 0.10));
    color: var(--c1);
    font-weight: 600;
}

.profe-card {
    display: flex; align-items: center; gap: 10px;
    padding: 12px;
    background: var(--surface-2);
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-top: 16px;
}
.profe-card .avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
    display: grid; place-items: center;
    font-weight: 800; font-size: 13px;
    flex-shrink: 0;
}
.profe-card .name {
    font-size: 13px; font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.profe-card .role {
    font-size: 10px;
    color: var(--text-mute);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.profe-card a {
    margin-left: auto;
    color: var(--text-mute);
    display: grid; place-items: center;
    transition: color 0.15s;
}
.profe-card a:hover { color: var(--rose); }

/* ============================================================
   HEADINGS
   ============================================================ */
.page-head {
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 20px; margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.page-head h1 {
    font-family: 'Archivo', sans-serif;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 4px 0;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.page-head .subtitle {
    font-size: 13px;
    color: var(--text-dim);
}

h2 {
    font-family: 'Archivo', sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--text);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 18px;
}
.card-head {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    gap: 10px;
}
.card-body { padding: 20px; }
.card-body.flush { padding: 0; }

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
@media (max-width: 900px) {
    .two-col { grid-template-columns: 1fr; }
}

/* ============================================================
   KPI GRID (dashboard)
   ============================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
}
.kpi::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--c1), var(--c2));
    opacity: 0.5;
}
.kpi.is-primary::before { opacity: 1; }
.kpi.is-success::before { background: var(--verde); opacity: 1; }
.kpi.is-warning::before { background: var(--amber); opacity: 1; }
.kpi .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-mute);
    font-weight: 600;
    margin-bottom: 6px;
}
.kpi .value {
    font-family: 'Archivo', sans-serif;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    line-height: 1.1;
}
.kpi .delta {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ============================================================
   TABLES
   ============================================================ */
.tbl {
    width: 100%;
    border-collapse: collapse;
}
.tbl th, .tbl td {
    padding: 12px 16px;
    text-align: left;
    font-size: 13.5px;
    border-bottom: 1px solid var(--border);
}
.tbl th {
    color: var(--text-mute);
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: var(--surface-2);
}
.tbl tbody tr:hover { background: rgba(var(--c1-rgb), 0.03); }
.tbl tbody tr:last-child td { border-bottom: none; }
.tbl .right { text-align: right; }
.tbl .center { text-align: center; }
.num { font-family: 'JetBrains Mono', monospace; font-weight: 500; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center; gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-strong);
    background: var(--surface-2);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    line-height: 1.2;
}
.btn:hover {
    border-color: var(--c1);
    color: var(--c1);
}
.btn--primary {
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
    border: none;
    font-weight: 700;
}
.btn--primary:hover {
    color: #000;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(var(--c1-rgb), 0.3);
}
.btn--accent {
    background: rgba(var(--c1-rgb), 0.15);
    color: var(--c1);
    border-color: rgba(var(--c1-rgb), 0.3);
}
.btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
}
.btn--ghost:hover {
    background: var(--surface-2);
    color: var(--text);
    border-color: var(--border);
}
.btn--sm { padding: 5px 10px; font-size: 12px; }

/* ============================================================
   FORMS
   ============================================================ */
.field {
    margin-bottom: 14px;
}
.field label {
    display: block;
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.field input,
.field select,
.field textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.15s, background 0.15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--c1);
    background: rgba(var(--c1-rgb), 0.04);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--text-mute); }

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center; gap: 5px;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge.dot::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
}
.badge--success { background: rgba(52, 211, 153, 0.15); color: var(--verde); }
.badge--warning { background: rgba(251, 191, 36, 0.15); color: var(--amber); }
.badge--danger  { background: rgba(251, 113, 133, 0.15); color: var(--rose); }
.badge--neutral { background: rgba(143, 163, 186, 0.10); color: var(--text-dim); }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    border: 1px solid;
}
.alert--success { background: rgba(52, 211, 153, 0.08); border-color: rgba(52, 211, 153, 0.3); color: var(--verde); }
.alert--danger  { background: rgba(251, 113, 133, 0.08); border-color: rgba(251, 113, 133, 0.3); color: var(--rose); }
.alert--warning { background: rgba(251, 191, 36, 0.08); border-color: rgba(251, 191, 36, 0.3); color: var(--amber); }
.alert--info    { background: rgba(var(--c1-rgb), 0.08); border-color: rgba(var(--c1-rgb), 0.3); color: var(--c1); }

/* ============================================================
   MISC
   ============================================================ */
.empty {
    padding: 48px 20px;
    text-align: center;
    color: var(--text-mute);
    font-size: 14px;
}

/* Fila de turno del dashboard */
.turno-row {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s;
}
.turno-row:hover { background: var(--surface-2); }
.turno-row:last-child { border-bottom: none; }
.fecha-block {
    background: linear-gradient(135deg, rgba(var(--c1-rgb), 0.15), rgba(var(--c2-rgb), 0.10));
    padding: 8px 12px;
    border-radius: 10px;
    text-align: center;
    min-width: 54px;
}
.fecha-block .dia {
    font-family: 'Archivo', sans-serif;
    font-size: 20px; font-weight: 800;
    color: var(--c1);
    line-height: 1;
}
.fecha-block .mes {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-top: 2px;
    letter-spacing: 0.08em;
}
.turno-row .info { flex: 1; }
.turno-row .hora {
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
}
.turno-row .meta {
    font-size: 12px;
    color: var(--text-mute);
    margin-top: 2px;
}
.alumnos-pill {
    padding: 5px 11px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    color: var(--text-dim);
    font-weight: 600;
}

/* ============================================================
   LOGIN
   ============================================================ */
body.login-page {
    display: grid;
    place-items: center;
    padding: 20px;
}
.login-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 32px;
    max-width: 400px;
    width: 100%;
}
.login-box h1 {
    font-family: 'Archivo', sans-serif;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 20px 0 6px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.login-box .subtitle {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 22px;
}

/* Selects internos */
select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='%238fa3ba' d='M0 0l5 6 5-6z'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 30px !important;
}

/* ============================================================
   Fix: opciones del <select> en fondo oscuro
   El desplegable nativo del navegador usa colores del SO;
   forzamos que respete la paleta dark del panel.
   ============================================================ */
select option {
    background: var(--surface-2);
    color: var(--text);
}
select option:checked {
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
}
select option:disabled {
    color: var(--text-mute);
}

/* ============================================================
   MOBILE RESPONSIVE — Panel de profes
   ============================================================ */

/* Botón hamburguesa (solo mobile) */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 1002;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
    border: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0,0,0,0.4);
    cursor: pointer;
    font-size: 20px;
}
.mobile-toggle:active { transform: scale(0.95); }

/* Overlay para cerrar drawer al tocar afuera */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    backdrop-filter: blur(2px);
}
.mobile-overlay.on { display: block; }

/* ============================================================
   Break principal: <= 900px (tablet + mobile)
   ============================================================ */
@media (max-width: 900px) {
    .mobile-toggle { display: inline-flex; }

    .app { grid-template-columns: 1fr; }

    /* Sidebar como drawer */
    .sidebar {
        position: fixed !important;
        top: 0;
        left: 0;
        width: 280px;
        max-width: 85vw;
        height: 100vh !important;
        z-index: 1001;
        transform: translateX(-100%);
        transition: transform 0.28s ease;
        box-shadow: 4px 0 24px rgba(0,0,0,0.4);
        padding-top: 20px;
    }
    .sidebar.open { transform: translateX(0); }

    .main {
        padding: 68px 16px 40px !important;  /* top más grande para el toggle */
        max-width: 100%;
    }

    /* Page head en columna */
    .page-head {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .page-head h1 { font-size: 22px !important; }
    .page-head .subtitle { font-size: 13px; }
    .page-head > div:last-child {
        flex-wrap: wrap;
        gap: 6px !important;
    }
    .page-head .btn { flex: 1; min-width: 120px; }

    /* Grids que estaban en 2/3 columnas → 1 columna */
    .two-col,
    .three-col {
        grid-template-columns: 1fr !important;
    }

    /* Cards con padding menor */
    .card-body { padding: 14px !important; }
    .card-head {
        padding: 12px 14px !important;
        flex-wrap: wrap;
        gap: 8px;
    }
    .card-head h2 { font-size: 15px !important; }

    /* Tablas → scroll horizontal cuando no cabe */
    .card-body.flush { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tbl { min-width: 480px; font-size: 13px; }
    .tbl th, .tbl td { padding: 8px 10px !important; }

    /* Botones más grandes touch-friendly */
    .btn { min-height: 40px; padding: 8px 14px; }
    .btn--sm { min-height: 34px; padding: 6px 10px; font-size: 12px; }

    /* Inputs full width y padding táctil */
    .field input,
    .field select,
    .field textarea,
    input[type="text"],
    input[type="number"],
    input[type="email"],
    input[type="date"],
    input[type="time"],
    input[type="password"],
    select,
    textarea {
        width: 100%;
        min-height: 42px;
        font-size: 15px !important;   /* previene zoom en iOS */
    }

    /* Grids inline dentro de forms → 1 columna */
    .card-body [style*="grid-template-columns:1fr 1fr"],
    .card-body [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    .card-body [style*="grid-template-columns:1fr 1fr 1fr auto"],
    .card-body [style*="grid-template-columns: 1fr 1fr 1fr auto"] {
        grid-template-columns: 1fr !important;
    }

    /* Formularios inline como selector de fechas en radar */
    .card-head form {
        width: 100%;
        justify-content: flex-start;
    }
    .card-head form select { flex: 1; min-width: 130px; }

    /* Radar chart un poco más chico */
    canvas { max-height: 280px !important; }
}

/* ============================================================
   Break chico: <= 480px (mobile chicos, iPhone SE)
   ============================================================ */
@media (max-width: 480px) {
    .main { padding: 64px 12px 32px !important; }

    .page-head h1 { font-size: 20px !important; }

    .card-body { padding: 12px !important; }
    .card-head { padding: 10px 12px !important; }

    /* Subtitle en mobile: mostrar todo en columna si es muy largo */
    .subtitle { line-height: 1.7; }

    /* Botones full width para acciones primarias del page-head */
    .page-head > div:last-child .btn { flex: 1 1 100%; }

    /* En tablas ocultar columnas menos críticas si el user pone data-col-sm="hide" */
    .tbl [data-col-sm="hide"] { display: none; }

    /* Grids adaptables */
    [style*="grid-template-columns:repeat(2,1fr)"],
    [style*="grid-template-columns: repeat(2,1fr)"] {
        grid-template-columns: 1fr !important;
    }

    /* Reducir espacios verticales */
    .page-head { margin-bottom: 16px; }
    .card { margin-bottom: 14px !important; }
}

/* No mostrar scroll horizontal del body en mobile por errores puntuales */
html, body { overflow-x: hidden; }

/* Chips clickeables de alumnos (usados en horarios.php, calendario, etc) */
.chip-alumno {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: linear-gradient(135deg, rgba(var(--c1-rgb), 0.12), rgba(var(--c2-rgb), 0.08));
    border: 1px solid rgba(var(--c1-rgb), 0.3);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: all 0.15s;
}
.chip-alumno:hover {
    background: linear-gradient(135deg, var(--c1), var(--c2));
    color: #000;
    border-color: transparent;
    transform: translateY(-1px);
}
.chip-alumno i { font-size: 10px; opacity: 0.8; }