/* ===== 테니스아레나 IoT - Design System ===== */
/* Adapted from OZTECH pattern, TA Blue brand (#2C539F) */

/* --- Web Fonts: ATOZ (에이투지체) --- */
@font-face {
    font-family: 'ATOZ';
    src: url('/static/font-light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'ATOZ';
    src: url('/static/font-medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* --- Design Tokens --- */
:root {
    /* Primary — TA Blue */
    --primary-900: #112142;
    --primary-800: #182E58;
    --primary-700: #1F3B71;
    --primary-600: #26488A;
    --primary-500: #2C539F;
    --primary-400: #5F80BE;
    --primary-300: #8CA7D6;
    --primary-200: #B5C6E6;
    --primary-100: #D9E2F3;
    --primary-50:  #EEF2FA;

    /* Status */
    --success-700: #047857;
    --success-600: #059669;
    --success-100: #d1fae5;
    --success-50:  #ecfdf5;
    --error-700: #b91c1c;
    --error-600: #dc2626;
    --error-100: #fee2e2;
    --error-50:  #fef2f2;
    --warning-700: #b45309;
    --warning-600: #d97706;
    --warning-100: #fef3c7;
    --warning-50:  #fffbeb;
    --offline-600: #6b7280;
    --offline-100: #f3f4f6;
    --offline-50:  #f9fafb;

    /* Layout */
    --sidebar-w: 256px;
    --sidebar-collapsed: 72px;
    --topbar-h: 69px;
    --page-bg: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --bg-secondary: #f8fafc;
    --bg-primary: #ffffff;
    --switch-on-bg: #fefce8;
    --switch-off-bg: transparent;
    --ac-cool-bg: #e0f2fe;
    --ac-heat-bg: #fff7ed;
    --ac-dry-bg: #f5f3ff;
    --ac-fan-bg: #ecfeff;
    --ac-auto-bg: #ecfdf5;

    /* Typography */
    --font-body: 'ATOZ', 'Noto Sans KR', -apple-system, sans-serif;
    --font-heading: 'ATOZ', 'Noto Sans KR', -apple-system, sans-serif;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
}

/* --- Dark Mode --- */
html.dark {
    --page-bg: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --border-light: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --primary-50: #0F1B33;
    --primary-100: #182E58;
    --success-50: #064e3b;
    --success-100: #065f46;
    --error-50: #450a0a;
    --error-100: #7f1d1d;
    --warning-50: #451a03;
    --warning-100: #78350f;
    --offline-50: #1e293b;
    --offline-100: #334155;
    --bg-secondary: #334155;
    --bg-primary: #1e293b;
    --switch-on-bg: #451a03;
    --switch-off-bg: #1e293b;
    --ac-cool-bg: #0c2d48;
    --ac-heat-bg: #451a03;
    --ac-dry-bg: #2e1065;
    --ac-fan-bg: #083344;
    --ac-auto-bg: #064e3b;
}
html.dark body { background: var(--page-bg); color: var(--text-primary); }
html.dark .sidebar { background: #1e293b; border-color: #334155; }
html.dark .sidebar .sidebar-logo img { filter: none !important; }
html.dark .topbar { background: #1e293b; border-color: #334155; }
html.dark header.mobile-header { background: #1e293b; border-color: #334155; }
html.dark .login-form-side { background: #0f172a; }
html.dark .modal-card { background: #1e293b; }
html.dark .tech-box { background: var(--bg-secondary) !important; border-color: var(--border-color) !important; }
html.dark .tech-box h4 { color: var(--text-primary) !important; }
html.dark .tech-box p, html.dark .tech-box li { color: var(--text-secondary) !important; }
html.dark .tech-box b { color: var(--text-primary) !important; }
html.dark .tech-summary { background: var(--card-bg) !important; border-color: var(--border-color) !important; }
html.dark .quick-control-footer {
    background: linear-gradient(135deg, #7c2d12, #431407);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}
html.dark input, html.dark select, html.dark textarea {
    background-color: #1e293b; border-color: #334155; color: #f1f5f9;
}
html.dark input:focus, html.dark select:focus { background-color: #334155; }
html.dark .skeleton { background: linear-gradient(90deg, #334155 25%, #475569 50%, #334155 75%); }

/* Dark: table */
html.dark .pro-table thead { background: #0f172a; }
html.dark .pro-table th { color: #94a3b8; border-color: #334155; }
html.dark .pro-table td { color: #e2e8f0; border-color: #1e293b; }
html.dark .pro-table tbody tr:hover { background: #334155; }

/* Dark: Tailwind text overrides */
html.dark .text-gray-900 { color: #f1f5f9 !important; }
html.dark .text-gray-800 { color: #e2e8f0 !important; }
html.dark .text-gray-700 { color: #cbd5e1 !important; }
html.dark .text-gray-600 { color: #94a3b8 !important; }
html.dark .text-gray-500 { color: #94a3b8 !important; }
html.dark .text-gray-400 { color: #94a3b8 !important; }

/* Dark: Tailwind background overrides */
html.dark .bg-white { background-color: var(--card-bg) !important; }
html.dark .bg-gray-50 { background-color: #334155 !important; }
html.dark .bg-gray-100 { background-color: #1e293b !important; }
html.dark .bg-orange-50 { background-color: #431407 !important; }
html.dark .bg-orange-100 { background-color: #7c2d12 !important; }
html.dark .bg-blue-50 { background-color: #1e3a5f !important; }
html.dark .bg-red-50 { background-color: #450a0a !important; }
html.dark .bg-green-50 { background-color: #064e3b !important; }
html.dark .bg-yellow-50 { background-color: #451a03 !important; }
html.dark .bg-purple-50 { background-color: #2e1065 !important; }
html.dark .bg-cyan-50 { background-color: #083344 !important; }
html.dark .bg-sky-50 { background-color: #0c4a6e !important; }

/* Dark: border overrides */
html.dark .border-gray-200, html.dark .border-gray-100 { border-color: #334155 !important; }
html.dark .border-gray-300 { border-color: #475569 !important; }

/* Dark: card, KPI, button */
html.dark .card { background: #1e293b; border-color: #334155; }
html.dark .card-body { color: #e2e8f0; }
html.dark .kpi-card { background: #1e293b; border-color: #334155; }
html.dark .btn-secondary { background: #334155; color: #e2e8f0; border-color: #475569; }
html.dark .btn-secondary:hover { background: #475569; }
html.dark .filter-chip { background: #1e293b; color: #94a3b8; border-color: #334155; }
html.dark .filter-chip.active { background: var(--primary-500); color: #fff; }

/* Dark: badges */
html.dark .badge-online { background: #064e3b; color: #6ee7b7; border-color: #065f46; }
html.dark .badge-offline { background: #334155; color: #94a3b8; border-color: #475569; }
html.dark .badge-alarm { background: #450a0a; color: #fca5a5; border-color: #7f1d1d; }
html.dark .badge-warning { background: #451a03; color: #fcd34d; border-color: #78350f; }

/* Dark: status dots */
html.dark .status-dot.online { box-shadow: 0 0 0 3px #065f46; }
html.dark .status-dot.offline { box-shadow: 0 0 0 3px #334155; }

/* Dark: toast */
html.dark .toast-item { background: #1e293b; border-color: #334155; }
html.dark #user-avatar { background: #0F1B33; color: #B5C6E6; }

/* Dark: hover */
html.dark .hover\:bg-gray-100:hover { background-color: #334155 !important; }

/* Dark: modal */
html.dark .modal-card h3, html.dark .modal-card h4 { color: #f1f5f9; }
html.dark .modal-card label { color: #cbd5e1; }

/* Dark: ac/device panels */
html.dark .ac-panel { background: #1e293b; border-color: #334155; }
html.dark .ac-panel.ac-on { border-color: rgba(44,83,159,.4); }
html.dark .device-card-grid .device-card { background: #1e293b; border-color: #334155; }
html.dark .door-card { background: #1e293b; border-color: #334155; }
html.dark .sensor-card { background: #1e293b; border-color: #334155; }
html.dark .schedule-row { border-color: #334155; }
html.dark .schedule-row:hover { background: rgba(44,83,159,.05); }

/* --- Utility: hidden override --- */
.hidden { display: none !important; }

/* --- Base --- */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}
*, *::before, *::after { box-sizing: border-box; }
body {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.6;
    background: var(--page-bg);
    color: var(--text-primary);
    margin: 0;
}

/* Headings use Medium weight */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    transition: width 0.25s cubic-bezier(.4,0,.2,1), transform 0.25s cubic-bezier(.4,0,.2,1);
    z-index: 40;
    overflow-x: hidden;
}
.sidebar.collapsed { width: var(--sidebar-collapsed); }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-header-text,
.sidebar.collapsed .sidebar-footer-detail,
.sidebar.collapsed .sidebar-footer-detail + button { display: none; }
.sidebar.collapsed .sidebar-avatar { margin: 0 auto; }
.sidebar.collapsed .sidebar-logo-icon { display: flex !important; }
.sidebar.collapsed .sidebar-logo { justify-content: center; }
.sidebar.collapsed .nav-link { justify-content: center; padding-left: 0; padding-right: 0; position: relative; }
.sidebar.collapsed .nav-link svg { margin: 0; }
.sidebar.collapsed .nav-badge { display: none !important; }

/* Collapsed sidebar tooltip (JS-based, fixed position) */
.sidebar-tooltip {
    position: fixed;
    background: #1e293b;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.12s;
}
.sidebar-tooltip.show { opacity: 1; }
html.dark .sidebar-tooltip { background: #f1f5f9; color: #1e293b; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    border-right: 3px solid transparent;
    transition: all 0.18s cubic-bezier(.4,0,.2,1);
    text-decoration: none;
    position: relative;
}
.nav-link:hover {
    background: var(--primary-50);
    color: var(--primary-700);
}
.nav-link.active {
    background: var(--primary-50);
    color: var(--primary-700);
    border-right-color: var(--primary-500);
    font-weight: 500;
}
.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--primary-500);
    border-radius: 0 3px 3px 0;
}
.nav-link svg { width: 22px; height: 22px; flex-shrink: 0; transition: transform 0.15s; }
.nav-link:hover svg { transform: scale(1.08); }

/* --- Main Content --- */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    transition: margin-left 0.3s cubic-bezier(.4,0,.2,1);
}
.main-content.sidebar-collapsed { margin-left: var(--sidebar-collapsed); }

/* --- Top bar --- */
.topbar {
    height: var(--topbar-h);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.92);
}
html.dark .topbar { background: rgba(30,41,59,0.92); }
@media (min-width: 1024px) {
    #topbar-desktop { display: flex !important; }
}

/* --- Cards --- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    transition: box-shadow 0.2s cubic-bezier(.4,0,.2,1), transform 0.2s cubic-bezier(.4,0,.2,1);
}
.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.03);
}
.card-body { padding: 1.25rem; }

/* KPI Card */
.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-500);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    transition: transform 0.2s cubic-bezier(.4,0,.2,1), box-shadow 0.2s cubic-bezier(.4,0,.2,1);
    position: relative;
    z-index: 1;
}
.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08), 0 4px 10px rgba(0,0,0,0.04);
}
.kpi-card:active { transform: translateY(-1px); }
.kpi-card.success { border-left-color: var(--success-600); }
.kpi-card.error { border-left-color: var(--error-600); }
.kpi-card.warning { border-left-color: var(--warning-600); }
.kpi-card.offline { border-left-color: var(--offline-600); }
.kpi-card.info { border-left-color: #0ea5e9; }

/* v2.5.15: 매장에 센서 미등록 시 KPI 카드 차폐 — 자식 inline opacity는 그대로 보존 */
.kpi-card.sensor-missing { cursor: not-allowed; }
.kpi-card.sensor-missing > *:not(.sensor-missing-overlay) {
    filter: blur(1px);
    opacity: 0.7;
    transition: filter 0.15s, opacity 0.15s;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}
.kpi-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
    position: relative;
    z-index: 2;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1.125rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.15s;
    cursor: pointer;
    border: none;
    font-family: inherit;
    white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary-500), var(--primary-600)); color: #fff; box-shadow: 0 1px 3px rgba(44,83,159,0.2); }
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-600), var(--primary-700)); box-shadow: 0 3px 10px rgba(44,83,159,0.3); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 1px 2px rgba(44,83,159,0.2); }
.btn-secondary { background: var(--card-bg); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover { background: var(--offline-50); }
.btn-danger { background: var(--error-600); color: #fff; }
.btn-danger:hover { background: var(--error-700); }
.btn-success { background: var(--success-600); color: #fff; }
.btn-success:hover { background: var(--success-700); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-ghost:hover { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-300); }
.btn-ghost.active { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-400); }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn:active { transform: scale(0.96); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* --- Badge --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1875rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid transparent;
}
.badge-online { background: var(--success-50); color: var(--success-700); border-color: #bbf7d0; }
.badge-offline { background: var(--offline-100); color: var(--offline-600); border-color: #d1d5db; }
.badge-alarm { background: var(--error-50); color: var(--error-700); border-color: #fecaca; }
.badge-warning { background: var(--warning-50); color: var(--warning-700); border-color: #fde68a; }
.badge-info { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-200); }

/* --- Status Dot --- */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.status-dot.online { background: var(--success-600); box-shadow: 0 0 0 3px var(--success-100); }
.status-dot.offline { background: var(--offline-600); box-shadow: 0 0 0 3px var(--offline-100); }
.status-dot.alarm { background: var(--error-600); box-shadow: 0 0 0 3px var(--error-100); animation: pulse-dot 2s infinite; }

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 3px var(--error-100); }
    50% { box-shadow: 0 0 0 6px rgba(220,38,38,0.1); }
}

/* --- Tables --- */
.pro-table { width: 100%; font-size: 0.875rem; border-collapse: collapse; }
.pro-table thead { background: #f8fafc; }
.pro-table th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}
.pro-table td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.12s;
}
.pro-table tbody tr { transition: background 0.12s; }
.pro-table tbody tr:hover { background: #f8fafc; }

/* --- Modals --- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(17,24,39,0.5);
    backdrop-filter: blur(6px);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: modalBgIn 0.2s ease;
}
@keyframes modalBgIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.modal-card {
    background: var(--card-bg);
    border-radius: 1.125rem;
    box-shadow: 0 25px 60px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.08);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalCardIn 0.25s cubic-bezier(.21,1.02,.73,1);
}
@keyframes modalCardIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* --- Toggle switch --- */
.toggle-switch { position: relative; width: 48px; height: 26px; display: inline-block; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0;
    background: #cbd5e1; border-radius: 13px;
    cursor: pointer; transition: 0.3s;
}
.toggle-slider::before {
    content: ''; position: absolute;
    width: 20px; height: 20px; left: 3px; bottom: 3px;
    background: #fff; border-radius: 50%; transition: 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--primary-500); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); }

/* Toggle track (alternate style) */
.toggle-track {
    position: relative; display: inline-flex; align-items: center;
    width: 48px; height: 26px; border-radius: 13px; cursor: pointer;
    transition: background .22s, box-shadow .22s;
    background: #cbd5e1; flex-shrink: 0;
}
.toggle-track.on {
    background: linear-gradient(135deg, #2C539F, #26488A);
    box-shadow: 0 2px 10px rgba(44,83,159,.35);
}
.toggle-thumb {
    position: absolute; left: 3px; width: 20px; height: 20px;
    border-radius: 50%; background: #fff;
    transition: transform .22s cubic-bezier(.34,1.56,.64,1);
    box-shadow: 0 1px 4px rgba(0,0,0,.2);
}
.toggle-track.on .toggle-thumb { transform: translateX(22px); }
.toggle-track:active { transform: scale(0.93); }

/* --- Range Slider --- */
input[type=range] {
    -webkit-appearance: none; width: 100%; height: 6px;
    background: transparent; outline: none; cursor: pointer;
}
input[type=range]::-webkit-slider-runnable-track {
    height: 6px; border-radius: 3px;
    background: linear-gradient(
        to right,
        var(--primary-500) 0%, var(--primary-500) var(--pct, 40%),
        #e5e7eb var(--pct, 40%), #e5e7eb 100%
    );
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px;
    border-radius: 50%; margin-top: -7px;
    background: #fff; border: 3px solid var(--primary-500);
    box-shadow: 0 1px 6px rgba(44,83,159,.35);
    transition: box-shadow .15s;
}
input[type=range]:hover::-webkit-slider-thumb { box-shadow: 0 2px 12px rgba(44,83,159,.5); }
input[type=range]::-moz-range-track { height: 6px; border-radius: 3px; background: #e5e7eb; }
input[type=range]::-moz-range-thumb {
    width: 20px; height: 20px; border-radius: 50%;
    background: #fff; border: 3px solid var(--primary-500);
}

/* --- Mode / Fan Chips --- */
.chip {
    padding: 5px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 500;
    cursor: pointer; transition: all .18s;
    background: #f1f5f9; color: #64748b;
    border: 1px solid #e2e8f0; user-select: none;
    font-family: inherit;
}
.chip:hover { background: var(--primary-50); color: var(--primary-700); border-color: var(--primary-300); }
.chip.active { color: #fff; border-color: transparent; }
.chip.active.mode-cool     { background: linear-gradient(135deg,#0ea5e9,#0284c7); }
.chip.active.mode-heat     { background: linear-gradient(135deg,#f97316,#ea580c); }
.chip.active.mode-dry      { background: linear-gradient(135deg,#8b5cf6,#7c3aed); }
.chip.active.mode-fan_only { background: linear-gradient(135deg,#06b6d4,#0891b2); }
.chip.active.mode-auto     { background: linear-gradient(135deg,#10b981,#059669); }
.chip.active.mode-off      { background: #94a3b8; }
.chip.active.fan           { background: linear-gradient(135deg,#2C539F,#26488A); }
html.dark .chip { background: #334155; color: #94a3b8; border-color: #475569; }

/* --- Filter chips --- */
.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4375rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.filter-chip:hover { border-color: var(--primary-400); color: var(--primary-600); }
.filter-chip:active { transform: scale(0.95); }
.filter-chip.active {
    background: var(--primary-500);
    color: #fff;
    border-color: var(--primary-500);
}

/* --- Login split layout --- */
.login-split {
    display: grid;
    grid-template-columns: 55% 45%;
    min-height: 100vh;
}
.login-hero {
    background: linear-gradient(135deg, #182E58 0%, #26488A 50%, #2C539F 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.login-form-side {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: #fff;
    position: relative;
}
.login-form-side::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2C539F, #26488A, #2C539F);
    opacity: 0.6;
}

@media (max-width: 768px) {
    .login-split {
        grid-template-columns: 1fr;
        min-height: 100vh;
    }
    .login-hero {
        display: none !important;
    }
    .login-form-side {
        padding: 2rem 1.5rem;
        min-height: 100vh;
        align-items: flex-start;
        padding-top: 15vh;
    }
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary-600); }
.breadcrumb .sep { color: var(--text-muted); }

/* --- LIVE indicator --- */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    color: var(--error-600);
    border: 1px solid #fecaca;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.live-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--error-600);
    border-radius: 50%;
    animation: livePulse 2s cubic-bezier(.4,0,.6,1) infinite;
}
@keyframes livePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,0.4); opacity: 1; }
    50% { box-shadow: 0 0 0 4px rgba(220,38,38,0); opacity: 0.7; }
}

/* --- Device Cards --- */
.device-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: transform 0.2s cubic-bezier(.4,0,.2,1), box-shadow 0.2s cubic-bezier(.4,0,.2,1), border-color 0.2s;
    overflow: hidden;
    min-width: 0;
    word-break: break-all;
}
.device-card:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: var(--primary-200);
}
.device-card:active {
    transform: scale(0.97);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* AC panel */
.ac-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: border-color .3s, box-shadow .3s;
}
.ac-panel.ac-on { border-color: rgba(44,83,159,.35); box-shadow: 0 2px 16px rgba(44,83,159,.1); }

/* Door cards */
.door-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    transition: border-color .3s, box-shadow .3s;
}
.door-card.door-open { border-color: rgba(239,68,68,.40); }
.door-card.door-closed { border-color: rgba(34,197,94,.30); }
.door-card.door-unavailable { border-color: rgba(148,163,184,.30); }

/* Sensor cards */
.sensor-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
}

/* Schedule rows */
.schedule-row {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-light);
    transition: background .18s;
}
.schedule-row:last-child { border-bottom: none; }
.schedule-row:hover { background: rgba(44,83,159,.03); }

/* --- Status bar (horizontal stacked) --- */
.status-bar {
    display: flex;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    background: var(--offline-100);
}
.status-bar-segment { height: 100%; transition: width 0.5s ease; }

/* --- Grids --- */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.switch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.ac-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.door-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.sensor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }

/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-12px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}
.fade-in { animation: fadeIn 0.3s ease forwards; }
.slide-in { animation: slideIn 0.3s ease forwards; }
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.375rem;
}

/* --- Toast --- */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 60;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12), 0 2px 10px rgba(0,0,0,0.06);
    font-size: 0.875rem;
    min-width: 300px;
    max-width: 420px;
    border-left: 4px solid var(--primary-500);
    animation: toastSlideIn 0.35s cubic-bezier(.21,1.02,.73,1);
    pointer-events: auto;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}
.toast-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--primary-400);
    animation: toastProgress 3s linear forwards;
}
.toast-item.success { border-left-color: var(--success-600); }
.toast-item.success::after { background: var(--success-600); }
.toast-item.error { border-left-color: var(--error-600); }
.toast-item.error::after { background: var(--error-600); }
.toast-item.warning { border-left-color: var(--warning-600); }
.toast-item.warning::after { background: var(--warning-600); }

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(30px) scale(0.95); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 3px; transition: background 0.2s; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-400); }
html.dark ::-webkit-scrollbar-thumb { background: #475569; }
html.dark ::-webkit-scrollbar-thumb:hover { background: var(--primary-500); }

/* --- Loader --- */
.loader {
    width: 32px; height: 32px;
    border: 3px solid var(--primary-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Form Inputs --- */
.form-input {
    width: 100%;
    padding: 0.6875rem 0.875rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.625rem;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text-primary);
    outline: none;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.form-input:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(44,83,159,.1);
    background: #fff;
}
.form-input::placeholder { color: var(--text-muted); }

/* --- Quick Control Footer --- */
.quick-control-footer {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-w);
    right: 0;
    z-index: 30;
    background: linear-gradient(135deg, #2C539F, #26488A);
    height: 65px;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    box-shadow: 0 -4px 20px rgba(44,83,159,0.25);
    transition: left 0.3s cubic-bezier(.4,0,.2,1);
}
.sidebar-collapsed ~ .main-content .quick-control-footer,
.main-content.sidebar-collapsed .quick-control-footer { left: var(--sidebar-collapsed); }
.quick-control-footer .btn {
    backdrop-filter: blur(4px);
    transition: all 0.15s;
}
.quick-control-footer .btn:hover { transform: translateY(-1px); }
.quick-control-footer .btn:active { transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1023px) {
    .sidebar { transform: translateX(-100%); position: fixed; top: 0; left: 0; height: 100%; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0 !important; }
    .topbar { padding: 0 1rem; }
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
    .quick-control-footer { left: 0 !important; }
    .dash-overview-row { grid-template-columns: 1fr 1fr !important; }
    #dash-sw-grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
}

@media (max-width: 640px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .kpi-value { font-size: 1.5rem; }
    .switch-grid { grid-template-columns: 1fr 1fr; }
    .ac-grid { grid-template-columns: 1fr; }
    .quick-control-footer {
        padding: 0.5rem 0.75rem;
        gap: 0.3125rem;
        flex-wrap: nowrap;
    }
    .quick-control-footer > span:first-child { font-size: 0.6875rem !important; margin-right: 0 !important; }
    .quick-control-footer .btn { font-size: 0.6875rem; padding: 0.3125rem 0.4375rem; }

    /* Dashboard mobile stacking */
    .dash-weather-row { grid-template-columns: 1fr !important; }
    .dash-overview-row { grid-template-columns: 1fr !important; }
    .doors-kpi-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .biz-hours-grid { grid-template-columns: 1fr !important; }
    .settings-grid { grid-template-columns: 1fr !important; }
    #dash-sw-grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
    #dash-ac-grid { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
    .cctv-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* Mobile table card view */
    .pro-table thead { display: none; }
    .pro-table tr {
        display: block;
        border-bottom: 1px solid var(--border-color);
        padding: 0.75rem 0;
    }
    .pro-table td {
        display: flex;
        justify-content: space-between;
        padding: 0.25rem 1rem;
        border: none;
    }
    .pro-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: var(--text-secondary);
    }
}

/* --- Ticker --- */
#topbar-ticker {
    mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 5%, #000 95%, transparent);
}
@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
#ticker-track.scrolling {
    animation: tickerScroll var(--ticker-duration, 40s) linear infinite;
}
#ticker-track:hover { animation-play-state: paused; }

/* --- Logo shine animation --- */
.logo-shine {
    position: relative;
    overflow: hidden;
}
.logo-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -75%;
    width: 50%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-20deg);
    animation: logoShine 5s ease-in-out infinite;
}
@keyframes logoShine {
    0%, 85%, 100% { left: -75%; opacity: 0; }
    90% { left: 125%; opacity: 1; }
}

/* --- Global micro-interactions --- */
a, button { -webkit-tap-highlight-color: transparent; }
::selection { background: rgba(44,83,159,0.15); }

/* Smooth page content entrance */
.p-4, .p-6, .lg\:p-6, .main-content > div { animation: contentFadeIn 0.3s ease-out; }
@keyframes contentFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Heatmap cell hover tooltip */
[title]:hover { cursor: default; }

/* Bottom padding for fixed footer */
.main-content > .p-4, .main-content > div > .p-4 {
    padding-bottom: 4rem !important;
}