/* ============================================================
   WellnessClub - Estilos principales
   ============================================================ */

:root {
    --primary:    #0d0d0d;
    --accent:     #c9a227;
    --accent-alt: #a8841c;
    --light-bg:   #f4f6f9;
    --white:      #ffffff;
    --text:       #2d2d2d;
    --text-muted: #6c757d;
    --border:     #dee2e6;
    --sidebar-w:  260px;
    --success:    #28a745;
    --warning:    #ffc107;
    --danger:     #dc3545;
    --info:       #17a2b8;
    --radius:     10px;
    --shadow:     0 2px 15px rgba(0,0,0,.08);
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 15px;
    color: var(--text);
    background: var(--light-bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout panel ─────────────────────────────────────────── */
.panel-wrapper { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--primary);
    color: #ccc;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform .3s ease;
}

.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand h1 {
    color: var(--white);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: .5px;
}
.sidebar-brand span { color: var(--accent); }

.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: #adb5bd;
    font-size: .92rem;
    border-left: 3px solid transparent;
    transition: all .2s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--white);
    background: rgba(255,255,255,.06);
    border-left-color: var(--accent);
    text-decoration: none;
}
.sidebar-nav a svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Iconos SVG en botones y texto — tamaño fijo siempre */
.btn svg,
.alert svg,
.card-title svg,
.topbar-title svg,
.theme-toggle svg,
.sidebar-footer svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    vertical-align: middle;
}

.sidebar-nav .nav-section {
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #555;
    padding: 14px 20px 6px;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .85rem;
}
.sidebar-footer a { color: #adb5bd; display: flex; align-items: center; gap: 8px; font-size: .88rem; }
.sidebar-footer a:hover { color: var(--accent); text-decoration: none; }
.sidebar-footer a svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Main content */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
    max-width: calc(100vw - var(--sidebar-w));
}

.topbar {
    background: var(--white);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.topbar-title { font-size: 1.1rem; font-weight: 600; color: var(--primary); }
.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9rem;
    color: var(--text-muted);
}
.topbar-user .avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: .9rem;
    flex-shrink: 0;
}

.page-content { padding: 28px; flex: 1; min-width: 0; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 24px;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.stat-icon.red    { background: #fdf5e0; color: var(--accent); }
.stat-icon.green  { background: #e8f5e9; color: var(--success); }
.stat-icon.blue   { background: #e3f2fd; color: var(--info); }
.stat-icon.orange { background: #fff3e0; color: #f57c00; }

.stat-value { font-size: 1.8rem; font-weight: 700; line-height: 1; color: var(--primary); }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Tabla ────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; width: 100%; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; table-layout: auto; }
th {
    background: var(--light-bg);
    padding: 11px 14px;
    text-align: left;
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafafa; }

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
}
.badge-paid      { background: #e8f5e9; color: #2e7d32; }
.badge-pending   { background: #fff8e1; color: #f57f17; }
.badge-partial   { background: #e3f2fd; color: #1565c0; }
.badge-danger    { background: #fce8ec; color: #c62828; }
.badge-secondary { background: #f0f0f0; color: #555; }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: .88rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .2s;
    text-decoration: none;
}
.btn:hover { opacity: .88; text-decoration: none; }
.btn-primary  { background: var(--accent); color: var(--white); }
.btn-dark     { background: var(--primary); color: var(--white); }
.btn-success  { background: var(--success); color: var(--white); }
.btn-danger   { background: var(--danger); color: var(--white); }
.btn-warning  { background: var(--warning); color: var(--text); }
.btn-outline  { background: transparent; border: 1.5px solid var(--border); color: var(--text); }
.btn-sm       { padding: 5px 12px; font-size: .8rem; }
.btn-icon     { padding: 6px 8px; }

/* ── Formularios ──────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: .92rem;
    color: var(--text);
    background: var(--white);
    transition: border-color .2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(201,162,39,.15);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }

/* ── Alertas ──────────────────────────────────────────────── */
.alert {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: .9rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.alert-success { background: #e8f5e9; color: #2e7d32; border-left: 4px solid var(--success); }
.alert-danger  { background: #fce8ec; color: #c62828; border-left: 4px solid var(--danger); }
.alert-warning { background: #fff8e1; color: #f57f17; border-left: 4px solid var(--warning); }
.alert-info    { background: #e3f2fd; color: #1565c0; border-left: 4px solid var(--info); }

/* ── Auth pages ───────────────────────────────────────────── */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #0f0c00 60%, #0a0a0a 100%);
    padding: 20px;
}
.auth-card {
    background: var(--white);
    border-radius: 16px;
    padding: 44px 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}
.auth-logo img { display: block; margin: 0 auto; }
.auth-logo h1 { font-size: 1.8rem; color: var(--primary); font-weight: 800; }
.auth-logo h1 span { color: var(--accent); }
.auth-logo p { color: var(--text-muted); font-size: .9rem; margin-top: 6px; }
.auth-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 22px; color: var(--primary); }
.auth-footer { text-align: center; margin-top: 20px; font-size: .88rem; color: var(--text-muted); }

/* ── Utilidades ───────────────────────────────────────────── */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mb-0 { margin-bottom: 0; }
.text-muted { color: var(--text-muted); font-size: .85rem; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-600 { font-weight: 600; }
.w-100 { width: 100%; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE — Tablet y móvil
══════════════════════════════════════════════════════════ */

/* ── Botón hamburguesa (solo móvil) ─────────────────────── */
.topbar-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    margin-right: 12px;
}
.topbar-hamburger span {
    display: block;
    width: 22px; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all .3s;
}

/* Overlay oscuro al abrir sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* ── Tablet (≤1024px) ────────────────────────────────────── */
@media (max-width: 1024px) {
    :root { --sidebar-w: 220px; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }

    /* Grids de 2 columnas en detalle cliente */
    [style*="grid-template-columns:2fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns:1fr 380px"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns:1fr 320px"] {
        grid-template-columns: 1fr !important;
    }
    [style*="grid-template-columns:1fr 1fr;gap:24px"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Móvil (≤768px) ─────────────────────────────────────── */
@media (max-width: 768px) {

    /* Sidebar oculto por defecto */
    .sidebar {
        transform: translateX(-100%);
        z-index: 100;
        transition: transform .3s ease;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; max-width: 100vw; }

    /* Botón hamburguesa visible */
    .topbar-hamburger { display: flex; }

    /* Topbar */
    .topbar { padding: 12px 16px; }
    .topbar-title { font-size: 1rem; }
    .topbar-user span { display: none; } /* Ocultar nombre en móvil */

    /* Contenido */
    .page-content { padding: 14px; }

    /* Grids → columna única */
    .form-grid,
    .form-grid.cols-3,
    .stats-grid { grid-template-columns: 1fr; }

    /* Stats en 2 columnas pequeñas */
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card  { padding: 16px; gap: 12px; }
    .stat-icon  { width: 42px; height: 42px; }
    .stat-value { font-size: 1.5rem; }

    /* Cards */
    .card { padding: 16px; }
    .card-header { flex-wrap: wrap; gap: 10px; }

    /* Tablas — scroll horizontal contenido, nunca desborda la página */
    .table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
    table { min-width: 480px; font-size: .82rem; }
    th, td { padding: 9px 10px; }

    /* Auth */
    .auth-card { padding: 28px 18px; }
    .auth-wrapper { align-items: flex-start; padding: 16px; padding-top: 30px; }

    /* Botones en grupos — apilar */
    .card-header .d-flex,
    .card-header > div:last-child { flex-wrap: wrap; gap: 6px; }

    /* Grids inline con style → columna única */
    [style*="display:grid"][style*="grid-template-columns:2fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="display:grid"][style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
    [style*="display:grid"][style*="grid-template-columns:repeat(3"] {
        grid-template-columns: 1fr 1fr !important;
    }
    [style*="display:grid"][style*="grid-template-columns:1fr 380px"] {
        grid-template-columns: 1fr !important;
    }
    [style*="display:grid"][style*="grid-template-columns:1fr 320px"] {
        grid-template-columns: 1fr !important;
    }
    [style*="display:grid"][style*="grid-template-columns:1fr 300px"] {
        grid-template-columns: 1fr !important;
    }

    /* Filtros */
    form[method="GET"] { flex-direction: column; align-items: stretch !important; }
    form[method="GET"] .form-control { max-width: 100% !important; width: 100% !important; }
    form[method="GET"] button { width: 100%; justify-content: center; }

    /* Modal */
    #payModal > div,
    #bookModal > div { width: 92% !important; padding: 20px !important; }

    /* Stat columnas 3 → 2 */
    .stats-grid[style*="grid-template-columns:repeat(3"] {
        grid-template-columns: 1fr 1fr !important;
    }
}

/* ── Móvil pequeño (≤400px) ─────────────────────────────── */
@media (max-width: 400px) {
    .stats-grid { grid-template-columns: 1fr; }
    .btn { padding: 8px 14px; font-size: .82rem; }
    .page-content { padding: 10px; }
    table { min-width: 360px; font-size: .78rem; }
}

/* ══════════════════════════════════════════════════════════
   BOTÓN TOGGLE DE TEMA
══════════════════════════════════════════════════════════ */
.theme-toggle {
    background: none;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    padding: 5px 8px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
    flex-shrink: 0;
}
.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
}
.theme-toggle svg { width: 16px; height: 16px; }

/* ══════════════════════════════════════════════════════════
   MODO OSCURO
══════════════════════════════════════════════════════════ */
[data-theme="dark"] {
    --white:      #1e1e1e;
    --light-bg:   #141414;
    --text:       #e0e0e0;
    --text-muted: #8a8a8a;
    --border:     #2e2e2e;
    --shadow:     0 2px 15px rgba(0,0,0,.4);
}

[data-theme="dark"] body {
    background: var(--light-bg);
    color: var(--text);
}

/* Topbar */
[data-theme="dark"] .topbar {
    background: #1a1a1a;
}
[data-theme="dark"] .topbar-title { color: #e0e0e0; }
[data-theme="dark"] .topbar-hamburger span { background: #e0e0e0; }

/* Cards */
[data-theme="dark"] .card {
    background: var(--white);
    border-color: var(--border);
}

/* Tablas */
[data-theme="dark"] th {
    background: #252525;
    color: #888;
    border-bottom-color: var(--border);
}
[data-theme="dark"] td { border-bottom-color: var(--border); }
[data-theme="dark"] tr:hover td { background: #252525; }

/* Formularios */
[data-theme="dark"] .form-control {
    background: #252525;
    color: var(--text);
    border-color: var(--border);
}
[data-theme="dark"] .form-control:focus {
    border-color: var(--accent);
}
[data-theme="dark"] .form-group label { color: #ccc; }

/* Botones */
[data-theme="dark"] .btn-outline {
    border-color: #3a3a3a;
    color: #ccc;
}
[data-theme="dark"] .btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Stat cards */
[data-theme="dark"] .stat-card { background: var(--white); }
[data-theme="dark"] .stat-value { color: #e0e0e0; }

/* Badges */
[data-theme="dark"] .badge-paid      { background: #1a2e1a; color: #6abf6a; }
[data-theme="dark"] .badge-pending   { background: #2e2510; color: #d4a017; }
[data-theme="dark"] .badge-partial   { background: #102030; color: #5aafe0; }
[data-theme="dark"] .badge-danger    { background: #2e1010; color: #e06060; }
[data-theme="dark"] .badge-secondary { background: #252525; color: #aaa; }

/* Alertas */
[data-theme="dark"] .alert-success { background: #1a2e1a; color: #6abf6a; }
[data-theme="dark"] .alert-danger  { background: #2e1010; color: #e06060; }
[data-theme="dark"] .alert-warning { background: #2e2510; color: #d4a017; }
[data-theme="dark"] .alert-info    { background: #102030; color: #5aafe0; }

/* Calendario */
[data-theme="dark"] .card[style*="background:#fff"],
[data-theme="dark"] div[style*="background:#fff"] {
    background: #1e1e1e !important;
}
[data-theme="dark"] div[style*="background:#fafafa"] { background: #1a1a1a !important; }
[data-theme="dark"] div[style*="background:#f9f9f9"] { background: #1c1c1c !important; }
[data-theme="dark"] div[style*="background:#e3f2fd"] { background: #0d1e2e !important; }
[data-theme="dark"] div[style*="background:#fce8ec"] { background: #2e1015 !important; }
[data-theme="dark"] div[style*="border:1px solid var(--border)"] { border-color: #2e2e2e !important; }

/* Modales */
[data-theme="dark"] #bookModal > div,
[data-theme="dark"] #payModal  > div {
    background: #1e1e1e;
    color: #e0e0e0;
}

/* Auth page */
[data-theme="dark"] .auth-card { background: #1e1e1e; }
[data-theme="dark"] .auth-logo h1 { color: #e0e0e0; }
[data-theme="dark"] .auth-title   { color: #e0e0e0; }