/* ============================================
   Zone Sleep Hotel — Admin Dashboard
   Matching World-Class Theme
   ============================================ */

:root {
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-charcoal: #2c2c2c;
    --color-orange: #c0713a;
    --color-orange-light: #d4894f;
    --color-cream: #f5f0eb;
    --color-cream-dark: #e8e0d6;
    --color-white: #ffffff;
    --color-gray: #888888;
    --color-gray-light: #f7f7f7;
    --color-success: #27ae60;
    --color-danger: #e74c3c;
    --color-warning: #f39c12;
    --color-info: #3498db;
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;
    --font-accent: 'Bebas Neue', sans-serif;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 2px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --sidebar-width: 260px;
}

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

body {
    font-family: var(--font-body);
    background: var(--color-gray-light);
    color: var(--color-dark);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-darker);
    color: var(--color-white);
    display: flex; flex-direction: column;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 28px 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex; flex-direction: column; gap: 2px;
}

.sidebar-header i { color: var(--color-orange); font-size: 1.6rem; margin-bottom: 8px; }
.sidebar-header span { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 600; }
.sidebar-header small { font-size: 0.7rem; color: var(--color-gray); text-transform: uppercase; letter-spacing: 2px; }

.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 8px;
    color: rgba(255,255,255,0.55);
    text-decoration: none; font-size: 0.88rem; font-weight: 500;
    transition: var(--transition); position: relative;
}

.nav-item:hover { background: rgba(255,255,255,0.05); color: var(--color-white); }
.nav-item.active { background: var(--color-orange); color: var(--color-white); }
.nav-item i { width: 20px; text-align: center; font-size: 1rem; }

.badge {
    margin-left: auto;
    background: var(--color-danger); color: white;
    font-size: 0.68rem; font-weight: 700;
    padding: 2px 8px; border-radius: 20px;
    min-width: 22px; text-align: center;
}

.sidebar-footer { padding: 16px 12px; border-top: 1px solid rgba(255,255,255,0.06); }

.sidebar-footer a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px;
    color: rgba(255,255,255,0.4);
    text-decoration: none; font-size: 0.82rem;
    border-radius: 8px; transition: var(--transition);
}

.sidebar-footer a:hover { color: var(--color-white); background: rgba(255,255,255,0.05); }

/* ===== MOBILE HEADER ===== */
.mobile-header {
    display: none;
    position: fixed; top: 0; left: 0; right: 0;
    height: 56px;
    background: var(--color-darker); color: var(--color-white);
    align-items: center; padding: 0 16px; gap: 12px;
    z-index: 99;
}

.menu-toggle { background: none; border: none; color: var(--color-white); font-size: 1.2rem; cursor: pointer; padding: 8px; }
.mobile-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; }
.mobile-title i { color: var(--color-orange); }

/* ===== MAIN CONTENT ===== */
.main-content { margin-left: var(--sidebar-width); flex: 1; padding: 32px; min-height: 100vh; }

.tab-content { display: none; }
.tab-content.active { display: block; }

.page-header { margin-bottom: 28px; }
.page-header h1 {
    font-family: var(--font-heading);
    font-size: 2rem; font-weight: 600;
    display: flex; align-items: center; gap: 12px;
}
.page-header h1 i { color: var(--color-orange); }
.page-header p { color: var(--color-gray); font-size: 0.88rem; margin-top: 4px; }

/* ===== STATS ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 28px; }

.stat-card {
    background: var(--color-white); border-radius: var(--radius);
    padding: 24px; box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 16px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.stat-icon {
    width: 52px; height: 52px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0;
}

.stat-icon.blue { background: rgba(52,152,219,0.1); color: var(--color-info); }
.stat-icon.green { background: rgba(39,174,96,0.1); color: var(--color-success); }
.stat-icon.orange { background: rgba(192,113,58,0.1); color: var(--color-orange); }
.stat-icon.red { background: rgba(231,76,60,0.1); color: var(--color-danger); }

.stat-info h4 { font-size: 0.72rem; font-weight: 600; color: var(--color-gray); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-info .stat-number { font-size: 1.6rem; font-weight: 700; color: var(--color-dark); line-height: 1.2; }

/* ===== CARD ===== */
.card {
    background: var(--color-white); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden;
    border: 1px solid rgba(0,0,0,0.03);
}

.card-header { padding: 20px 24px; border-bottom: 1px solid var(--color-gray-light); }
.card-header h3 { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-header h3 i { color: var(--color-orange); }
.card-body { padding: 24px; }

/* ===== TABLE ===== */
.table-responsive { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
    background: var(--color-gray-light); padding: 14px 16px;
    text-align: left; font-size: 0.72rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-gray);
    white-space: nowrap;
}

.data-table td {
    padding: 14px 16px; border-bottom: 1px solid #f0f0f0;
    font-size: 0.85rem; vertical-align: middle;
}

.data-table tr:hover td { background: rgba(192,113,58,0.02); }

.status-badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 5px 14px; border-radius: 4px;
    font-size: 0.72rem; font-weight: 600; white-space: nowrap;
}

.status-badge.pending { background: #fff3cd; color: #856404; }
.status-badge.confirmed { background: #d4edda; color: #155724; }
.status-badge.cancelled { background: #f8d7da; color: #721c24; }

/* ===== FILTER BAR ===== */
.filter-bar { display: flex; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }

.filter-group { display: flex; align-items: center; gap: 8px; }
.filter-group label { font-size: 0.82rem; font-weight: 500; color: var(--color-gray); white-space: nowrap; }

.filter-group select,
.filter-group input {
    padding: 10px 14px; border: 1.5px solid #e0e0e0;
    border-radius: 8px; font-family: var(--font-body);
    font-size: 0.85rem; background: var(--color-white);
    transition: var(--transition);
}

.filter-group select:focus,
.filter-group input:focus { border-color: var(--color-orange); outline: none; }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--color-orange); color: var(--color-white);
    border: none; padding: 12px 24px; border-radius: 8px;
    font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: var(--transition);
}

.btn-primary:hover { background: var(--color-orange-light); transform: translateY(-1px); }

.btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--color-gray-light); color: var(--color-dark);
    border: 1.5px solid #e0e0e0; padding: 12px 24px; border-radius: 8px;
    font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: var(--transition);
}

.btn-secondary:hover { background: var(--color-cream-dark); }

.btn-sm {
    padding: 7px 14px; font-size: 0.75rem; border-radius: 6px;
    border: none; font-family: var(--font-body); font-weight: 600;
    cursor: pointer; transition: var(--transition);
    display: inline-flex; align-items: center; gap: 4px;
}

.btn-confirm { background: var(--color-success); color: white; }
.btn-confirm:hover { background: #219a52; }
.btn-cancel { background: var(--color-danger); color: white; }
.btn-cancel:hover { background: #c0392b; }
.btn-view { background: var(--color-info); color: white; }
.btn-view:hover { background: #2980b9; }
.btn-edit { background: var(--color-warning); color: white; }
.btn-edit:hover { background: #e67e22; }
.btn-delete { background: var(--color-danger); color: white; }
.btn-delete:hover { background: #c0392b; }

.btn-danger-sm {
    background: var(--color-danger); color: white; border: none;
    padding: 6px 14px; border-radius: 6px; font-size: 0.78rem;
    cursor: pointer; display: inline-flex; align-items: center; gap: 4px;
    margin-top: 8px;
}

/* ===== ROOMS ADMIN ===== */
.rooms-admin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }

.room-admin-card {
    background: var(--color-white); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden;
    transition: var(--transition); border: 1px solid rgba(0,0,0,0.03);
}

.room-admin-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.room-admin-img { height: 180px; overflow: hidden; position: relative; }
.room-admin-img img { width: 100%; height: 100%; object-fit: cover; }

.room-admin-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.6));
    display: flex; align-items: flex-end; padding: 16px;
}

.room-admin-overlay h3 { color: white; font-family: var(--font-heading); font-size: 1.3rem; }

.room-admin-body { padding: 20px; }

.room-admin-info { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }

.room-admin-info .info-item { display: flex; flex-direction: column; gap: 2px; }
.room-admin-info .info-item label { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-gray); }
.room-admin-info .info-item span { font-size: 0.88rem; font-weight: 600; color: var(--color-dark); }

.room-admin-actions { display: flex; gap: 8px; padding-top: 16px; border-top: 1px solid #f0f0f0; }

/* ===== FORM ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--color-dark); margin-bottom: 6px; }

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 12px 14px;
    border: 1.5px solid #e0e0e0; border-radius: 8px;
    font-family: var(--font-body); font-size: 0.85rem;
    transition: var(--transition); background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus { border-color: var(--color-orange); outline: none; box-shadow: 0 0 0 3px rgba(192,113,58,0.08); }

/* QR Upload */
.qr-upload-area {
    border: 2px dashed #d0d0d0; border-radius: var(--radius);
    padding: 28px; text-align: center; cursor: pointer;
    transition: var(--transition); color: var(--color-gray);
}

.qr-upload-area:hover { border-color: var(--color-orange); }
.qr-upload-area i { font-size: 2rem; color: var(--color-orange); margin-bottom: 8px; }

.qr-preview { text-align: center; margin-top: 12px; }
.qr-preview img { max-width: 250px; border-radius: 8px; border: 2px solid var(--color-cream-dark); }

/* ===== ADMIN MODAL ===== */
.admin-modal-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
    z-index: 200; align-items: center; justify-content: center; padding: 20px;
}

.admin-modal-overlay.active { display: flex; }

.admin-modal {
    background: var(--color-white); border-radius: var(--radius-lg);
    max-width: 560px; width: 100%; max-height: 90vh;
    overflow-y: auto; padding: 32px; position: relative;
    animation: modalIn 0.3s ease;
}

.admin-modal-lg { max-width: 680px; }

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.admin-modal-close {
    position: absolute; top: 12px; right: 16px;
    background: none; border: none; font-size: 1.8rem;
    color: var(--color-gray); cursor: pointer; line-height: 1;
}

.admin-modal-close:hover { color: var(--color-dark); }

/* Booking Detail */
.booking-detail-header { text-align: center; margin-bottom: 24px; }
.booking-detail-header h2 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 4px; }
.booking-detail-header .booking-id { color: var(--color-orange); font-weight: 600; font-size: 0.9rem; }

.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.detail-item { display: flex; flex-direction: column; gap: 2px; }
.detail-item label { font-size: 0.68rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-gray); }
.detail-item span { font-size: 0.88rem; font-weight: 500; }

.slip-container { margin: 20px 0; text-align: center; }
.slip-container img { max-width: 100%; max-height: 300px; border-radius: 8px; border: 2px solid var(--color-cream-dark); }
.slip-container h4 { margin-bottom: 12px; font-size: 0.88rem; color: var(--color-gray); }

.detail-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; }
.detail-actions .btn-sm { padding: 10px 24px; font-size: 0.85rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.active { transform: translateX(0); }
    .mobile-header { display: flex; }
    .main-content { margin-left: 0; padding: 72px 16px 24px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .rooms-admin-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; }
    .page-header h1 { font-size: 1.4rem; }
    .data-table th, .data-table td { padding: 10px 12px; font-size: 0.78rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .detail-actions { flex-direction: column; }
    .detail-actions .btn-sm { width: 100%; justify-content: center; }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}


/* ===== LOGIN SCREEN ===== */
.login-overlay {
    position: fixed; inset: 0;
    background: var(--color-darker);
    z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}

.login-overlay.hidden { display: none; }

.login-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    max-width: 420px; width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalIn 0.4s ease;
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo-mark {
    width: 64px; height: 64px;
    border: 3px solid var(--color-orange);
    display: inline-flex; align-items: center; justify-content: center;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--color-orange);
    margin-bottom: 16px;
}

.login-logo h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-dark);
}

.login-logo p {
    font-size: 0.78rem;
    color: var(--color-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.login-form .form-group { margin-bottom: 20px; }

.btn-login {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 0.9rem;
    margin-top: 8px;
}

.login-error {
    background: #fef2f2;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 16px;
    display: flex; align-items: center; gap: 8px;
}

.login-hint {
    text-align: center;
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--color-gray);
}

.logout-link {
    color: rgba(255,255,255,0.35) !important;
    margin-top: 4px;
}

.logout-link:hover {
    color: var(--color-danger) !important;
    background: rgba(231,76,60,0.1) !important;
}