/* ============================================================
   Atari Fitness Gym — Dark Theme (FitPro Style)
   ============================================================ */

:root {
    --bg-primary:    #1a1a2e;
    --bg-secondary:  #16213e;
    --bg-card:       #0f3460;
    --bg-sidebar:    #0d1b2a;
    --accent-green:  #1abc9c;
    --accent-blue:   #3498db;
    --accent-gold:   #f39c12;
    --accent-red:    #e74c3c;
    --accent-purple: #9b59b6;
    --text-primary:  #e8e8e8;
    --text-muted:    #8892a4;
    --text-white:    #ffffff;
    --border-color:  #2d3748;
    --sidebar-w:     250px;
    --topbar-h:      64px;
    --radius:        10px;
    --transition:    all 0.25s ease;
}

/* Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent-green); text-decoration: none; transition: var(--transition); }
a:hover { color: #16d9b8; }

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand .brand-icon {
    width: 38px; height: 38px;
    background: var(--accent-green);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    color: #fff;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-brand .brand-text h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
    line-height: 1.2;
}

.sidebar-brand .brand-text small {
    font-size: 11px;
    color: var(--text-muted);
}

.sidebar-section {
    padding: 16px 20px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
}

.sidebar-nav { padding: 8px 0; flex: 1; }

.nav-item { margin: 2px 10px; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(26, 188, 156, 0.08);
    color: var(--text-primary);
}

.nav-link.active {
    background: rgba(26, 188, 156, 0.15);
    color: var(--accent-green);
    font-weight: 600;
}

.nav-link i {
    width: 18px;
    text-align: center;
    font-size: 15px;
    flex-shrink: 0;
}

/* Section badge in sidebar */
.section-badge-sidebar {
    margin: 0 20px 16px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
}
.section-men .section-badge-sidebar { background: rgba(52,152,219,0.15); color: #3498db; border: 1px solid rgba(52,152,219,0.3); }
.section-women .section-badge-sidebar { background: rgba(233,30,140,0.12); color: #e91e8c; border: 1px solid rgba(233,30,140,0.3); }

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-w);
    right: 0;
    height: var(--topbar-h);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 999;
    gap: 16px;
}

.topbar-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    flex: 1;
}

.topbar-actions { display: flex; align-items: center; gap: 12px; }

.btn-icon {
    width: 38px; height: 38px;
    border: none;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    color: var(--text-muted);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
    position: relative;
}
.btn-icon:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

.badge-dot {
    position: absolute;
    top: 6px; right: 6px;
    width: 8px; height: 8px;
    background: var(--accent-red);
    border-radius: 50%;
    border: 2px solid var(--bg-secondary);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    transition: var(--transition);
}
.topbar-user:hover { background: rgba(255,255,255,0.05); }

.topbar-avatar {
    width: 34px; height: 34px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.topbar-user-info small { display: block; font-size: 11px; color: var(--text-muted); }
.topbar-user-info span { font-size: 13px; font-weight: 600; color: var(--text-primary); }

/* ── Main Content ─────────────────────────────────────────── */
.content-wrapper {
    margin-left: var(--sidebar-w);
    padding-top: var(--topbar-h);
    min-height: 100vh;
}

.content-inner {
    padding: 24px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
}

.card-body { padding: 20px; }

/* ── Stat Cards ──────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1200px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .stats-grid { grid-template-columns: 1fr; } }

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
}
.stat-card.green::before  { background: var(--accent-green); }
.stat-card.blue::before   { background: var(--accent-blue); }
.stat-card.gold::before   { background: var(--accent-gold); }
.stat-card.red::before    { background: var(--accent-red); }
.stat-card.purple::before { background: var(--accent-purple); }

.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-value.gold  { color: var(--accent-gold); }
.stat-value.green { color: var(--accent-green); }
.stat-value.blue  { color: var(--accent-blue); }
.stat-value.purple { color: var(--accent-purple); }

.stat-change {
    font-size: 12px;
    color: var(--text-muted);
}
.stat-change.up   { color: var(--accent-green); }
.stat-change.down { color: var(--accent-red); }

.stat-icon {
    position: absolute;
    top: 16px; right: 16px;
    font-size: 28px;
    opacity: 0.15;
}

/* ── Tables ──────────────────────────────────────────────── */
.table-dark-custom {
    width: 100%;
    border-collapse: collapse;
}

.table-dark-custom th {
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table-dark-custom td {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(45, 55, 72, 0.5);
    vertical-align: middle;
}

.table-dark-custom tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ── Avatar ──────────────────────────────────────────────── */
.member-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

/* ── Badges ──────────────────────────────────────────────── */
.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.badge-status::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
}

.badge-active   { background: rgba(26,188,156,0.15); color: var(--accent-green); }
.badge-active::before   { background: var(--accent-green); }
.badge-expired  { background: rgba(231,76,60,0.15);  color: var(--accent-red); }
.badge-expired::before  { background: var(--accent-red); }
.badge-pending  { background: rgba(243,156,18,0.15); color: var(--accent-gold); }
.badge-pending::before  { background: var(--accent-gold); }

.plan-badge {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}
.plan-gold     { background: rgba(243,156,18,0.2); color: #f39c12; }
.plan-silver   { background: rgba(149,165,166,0.2); color: #95a5a6; }
.plan-platinum { background: rgba(155,89,182,0.2); color: #9b59b6; }
.plan-basic    { background: rgba(52,152,219,0.2); color: #3498db; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-gym-primary {
    background: var(--accent-green);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-gym-primary:hover { background: #16b28a; color: #fff; }

.btn-gym-secondary {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-gym-secondary:hover { background: rgba(255,255,255,0.1); }

.btn-gym-danger {
    background: rgba(231,76,60,0.15);
    color: var(--accent-red);
    border: 1px solid rgba(231,76,60,0.3);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-gym-danger:hover { background: rgba(231,76,60,0.25); }

/* ── Forms ───────────────────────────────────────────────── */
.form-label-dark {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: block;
}

.form-control-dark {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.form-control-dark:focus {
    border-color: var(--accent-green);
    background: rgba(26,188,156,0.05);
    box-shadow: 0 0 0 3px rgba(26,188,156,0.1);
}
.form-control-dark::placeholder { color: var(--text-muted); }

select.form-control-dark option { background: var(--bg-secondary); color: var(--text-primary); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert-gym {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-gym-success { background: rgba(26,188,156,0.12); border: 1px solid rgba(26,188,156,0.3); color: var(--accent-green); }
.alert-gym-error   { background: rgba(231,76,60,0.12);  border: 1px solid rgba(231,76,60,0.3);  color: var(--accent-red); }
.alert-gym-warning { background: rgba(243,156,18,0.12); border: 1px solid rgba(243,156,18,0.3); color: var(--accent-gold); }
.alert-gym-info    { background: rgba(52,152,219,0.12); border: 1px solid rgba(52,152,219,0.3); color: var(--accent-blue); }

/* ── Dashboard Grid ──────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 20px;
    margin-bottom: 20px;
}
@media (max-width: 900px) { .dashboard-grid { grid-template-columns: 1fr; } }

/* ── Login ───────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-logo .logo-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    font-weight: 800;
    margin-bottom: 12px;
}
.logo-men   { background: linear-gradient(135deg, #3498db, #2980b9); }
.logo-women { background: linear-gradient(135deg, #e91e8c, #c2185b); }
.logo-default { background: linear-gradient(135deg, var(--accent-green), #16b28a); }

.login-title { font-size: 22px; font-weight: 800; color: var(--text-white); margin-bottom: 4px; }
.login-subtitle { font-size: 14px; color: var(--text-muted); }

/* ── Portal Select Cards ──────────────────────────────────── */
.portal-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 560px;
    margin: 0 auto;
}
.portal-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}
.portal-card:hover { transform: translateY(-4px); color: var(--text-white); }
.portal-card.men   { border-color: rgba(52,152,219,0.4); }
.portal-card.men:hover { border-color: #3498db; background: rgba(52,152,219,0.08); }
.portal-card.women { border-color: rgba(233,30,140,0.4); }
.portal-card.women:hover { border-color: #e91e8c; background: rgba(233,30,140,0.08); }

.portal-icon { font-size: 48px; margin-bottom: 16px; }
.portal-label { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.portal-desc { font-size: 13px; color: var(--text-muted); }

/* ── Misc ────────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-white);
}

.breadcrumb-gym {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}
.breadcrumb-gym a { color: var(--text-muted); }
.breadcrumb-gym a:hover { color: var(--text-primary); }
.breadcrumb-gym .sep { font-size: 10px; }

.skeleton {
    background: linear-gradient(90deg, var(--border-color) 25%, rgba(45,55,72,0.5) 50%, var(--border-color) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}
@keyframes skeleton-loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #4a5568; }

/* DataTables dark override */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 6px 10px;
}
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text-muted) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: rgba(255,255,255,0.05) !important;
    color: var(--text-primary) !important;
    border-color: transparent !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--accent-green) !important;
    color: #fff !important;
    border-color: transparent !important;
    border-radius: 6px !important;
}