/* ============================================
   ADMIN STYLES — Hôtel Hibiscus Marcory
   Design Premium Moderne · Glassmorphism
   ============================================ */

:root {
    --admin-bg: #f0f2f5;
    --admin-card: #ffffff;
    --admin-sidebar: #0f0f1a;
    --admin-sidebar-hover: #1a1a2e;
    --admin-primary: #c0392b;
    --admin-primary-hover: #a93226;
    --admin-accent: #d4a853;
    --admin-accent-hover: #c49a3c;
    --admin-text: #0f172a;
    --admin-text-light: #64748b;
    --admin-text-sidebar: rgba(255,255,255,0.6);
    --admin-border: #e2e8f0;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-info: #3b82f6;
    --admin-radius: 16px;
    --admin-radius-sm: 10px;
    --admin-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --admin-shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
    --admin-glass: rgba(255,255,255,0.7);
    --admin-glass-border: rgba(255,255,255,0.2);
    --admin-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ========== PRELOADER ========== */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--admin-sidebar);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.preloader-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.preloader-content {
    text-align: center;
}
.preloader-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--admin-primary), #e74c3c);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 8px 32px rgba(192, 57, 43, 0.4);
    animation: preloaderPulse 1.2s ease-in-out infinite;
}
@keyframes preloaderPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 32px rgba(192, 57, 43, 0.4); }
    50% { transform: scale(1.08); box-shadow: 0 12px 48px rgba(192, 57, 43, 0.6); }
}
.preloader-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.08em;
    margin-bottom: 20px;
}
.preloader-name span { color: var(--admin-accent); }
.preloader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    margin: 0 auto;
    overflow: hidden;
}
.preloader-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-accent));
    border-radius: 10px;
    animation: preloaderLoad 1.2s ease-in-out forwards;
}
@keyframes preloaderLoad {
    0% { width: 0%; }
    60% { width: 70%; }
    100% { width: 100%; }
}

/* ========== LOGIN PAGE — Design Premium ========== */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 40%, #16213e 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Particules animées en fond */
.admin-login-page::before {
    content: '';
    position: absolute;
    inset: -50%;
    background:
        radial-gradient(2px 2px at 20% 30%, rgba(212,168,83,0.3), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(192,57,43,0.2), transparent),
        radial-gradient(2px 2px at 60% 20%, rgba(212,168,83,0.25), transparent),
        radial-gradient(2px 2px at 80% 60%, rgba(192,57,43,0.2), transparent),
        radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.1), transparent),
        radial-gradient(1px 1px at 50% 10%, rgba(212,168,83,0.2), transparent),
        radial-gradient(1px 1px at 70% 90%, rgba(192,57,43,0.15), transparent);
    background-size: 200px 200px;
    animation: loginParticles 20s linear infinite;
    pointer-events: none;
}

@keyframes loginParticles {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-5%, -5%) rotate(5deg); }
}

.login-container {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    animation: loginFadeIn 0.8s ease-out;
}

@keyframes loginFadeIn {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-card {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-radius: 24px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    padding: 48px 40px 40px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-accent), var(--admin-primary));
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 0%; }
}

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

.login-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--admin-primary), #e74c3c);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(192, 57, 43, 0.3);
    transition: transform 0.3s ease;
}

.login-icon:hover {
    transform: scale(1.05) rotate(-3deg);
}

.login-icon svg {
    width: 36px;
    height: 36px;
    fill: white;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--admin-text);
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.login-header h1 span {
    color: var(--admin-accent);
}

.login-subtitle {
    color: var(--admin-text-light);
    font-size: 0.875rem;
    font-weight: 400;
}

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

.login-form label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: var(--admin-transition);
    background: #f8fafc;
    color: var(--admin-text);
}

.form-input:focus {
    outline: none;
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.12);
    background: white;
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input-icon {
    position: relative;
}

.form-input-icon .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    fill: var(--admin-text-light);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.form-input-icon:focus-within .input-icon {
    opacity: 0.8;
    fill: var(--admin-primary);
}

.form-input-icon .form-input {
    padding-left: 42px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: var(--admin-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--admin-transition);
    text-decoration: none;
    gap: 8px;
    line-height: 1.2;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--admin-primary), #e74c3c);
    color: white;
    box-shadow: 0 4px 14px rgba(192, 57, 43, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--admin-primary-hover), #c0392b);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(192, 57, 43, 0.4);
}

.btn-accent {
    background: linear-gradient(135deg, var(--admin-accent), #d4a853);
    color: #1a1a2e;
    box-shadow: 0 4px 14px rgba(212, 168, 83, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 168, 83, 0.4);
}

.btn-secondary {
    background: var(--admin-bg);
    color: var(--admin-text);
    border: 1.5px solid var(--admin-border);
}

.btn-secondary:hover {
    background: #e2e8f0;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--admin-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

.btn-success {
    background: var(--admin-success);
    color: white;
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-sm {
    padding: 8px 14px;
    font-size: 0.8125rem;
    border-radius: 8px;
}

.btn-block { width: 100%; }

.btn-ghost {
    background: transparent;
    color: var(--admin-text-light);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: rgba(0,0,0,0.04);
    color: var(--admin-text);
}

/* ========== ALERTS ========== */
.alert {
    padding: 14px 18px;
    border-radius: var(--admin-radius-sm);
    margin-bottom: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: alertSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes alertSlideIn {
    from { opacity: 0; transform: translateY(-12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.alert-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-error {
    background: linear-gradient(135deg, #fef2f2, #fff5f5);
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: linear-gradient(135deg, #f0fdf4, #f5fdf7);
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-info {
    background: linear-gradient(135deg, #eff6ff, #f5f9ff);
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--admin-border);
}

.login-footer a {
    color: var(--admin-text-light);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--admin-transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.login-footer a:hover {
    color: var(--admin-primary);
    gap: 10px;
}

.login-footer a svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.login-footer a:hover svg {
    transform: translateX(-3px);
}

/* ========== DASHBOARD LAYOUT ========== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* ========== SIDEBAR — Design Premium Sombre ========== */
.admin-sidebar {
    width: 270px;
    background: var(--admin-sidebar);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    border-right: 1px solid rgba(255,255,255,0.04);
}

.admin-sidebar::-webkit-scrollbar {
    width: 4px;
}
.admin-sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.admin-sidebar-header {
    padding: 28px 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 14px;
}

.admin-sidebar-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--admin-primary), #e74c3c);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 4px 12px rgba(192, 57, 43, 0.3);
    transition: transform 0.3s ease;
}

.admin-sidebar-header:hover .admin-sidebar-logo {
    transform: rotate(-5deg) scale(1.05);
}

.admin-sidebar-header-text h2 {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.admin-sidebar-header-text p {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.4);
    margin-top: 1px;
    font-weight: 400;
}

.admin-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 10px;
    color: var(--admin-text-sidebar);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--admin-transition);
    position: relative;
}

.admin-nav a:hover {
    background: rgba(255,255,255,0.07);
    color: white;
    transform: translateX(3px);
}

.admin-nav a.active {
    background: linear-gradient(135deg, var(--admin-primary), rgba(192, 57, 43, 0.8));
    color: white;
    box-shadow: 0 4px 12px rgba(192, 57, 43, 0.25);
}

.admin-nav a .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    fill: currentColor;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.admin-nav a.active .nav-icon,
.admin-nav a:hover .nav-icon {
    opacity: 1;
}

.admin-nav a .nav-badge {
    margin-left: auto;
    background: var(--admin-primary);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 22px;
    text-align: center;
    line-height: 1.4;
    animation: badgePop 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes badgePop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.admin-nav a.active .nav-badge {
    background: rgba(255,255,255,0.25);
}

.admin-nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 8px 12px;
}

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

.admin-sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: var(--admin-transition);
}

.admin-sidebar-footer a:hover {
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.8);
    transform: translateX(3px);
}

.admin-sidebar-footer a svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Liens Accueil et Contact dans le footer sidebar */
.admin-sidebar-footer .footer-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-top: 4px;
}

/* ========== SIDEBAR TOGGLE (mobile) ========== */
.admin-sidebar-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: var(--admin-card);
    border: 1.5px solid var(--admin-border);
    border-radius: 12px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--admin-shadow);
    transition: var(--admin-transition);
}

.admin-sidebar-toggle:hover {
    background: var(--admin-bg);
    box-shadow: var(--admin-shadow-lg);
    transform: scale(1.05);
}

.admin-sidebar-toggle svg {
    width: 22px;
    height: 22px;
    fill: var(--admin-text);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.35s ease;
    backdrop-filter: blur(4px);
}

/* ========== MAIN CONTENT ========== */
.admin-main {
    flex: 1;
    min-width: 0;
    margin-left: 270px;
    padding: 32px 40px;
    min-height: 100vh;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--admin-border);
}

.admin-topbar h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--admin-text), var(--admin-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--admin-text-light);
}

.admin-user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--admin-primary), #e74c3c);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(192, 57, 43, 0.2);
    transition: transform 0.3s ease;
}

.admin-user:hover .admin-user-avatar {
    transform: scale(1.1);
}

/* ========== STATS CARDS ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--admin-card);
    border-radius: var(--admin-radius);
    padding: 24px;
    box-shadow: var(--admin-shadow);
    transition: var(--admin-transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-accent));
    opacity: 0;
    transition: var(--admin-transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--admin-shadow-lg);
    border-color: var(--admin-border);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card-label {
    font-size: 0.8125rem;
    color: var(--admin-text-light);
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
    letter-spacing: -0.02em;
}

.stat-card-sub {
    font-size: 0.8125rem;
    color: var(--admin-text-light);
    margin-top: 6px;
}

.stat-card--primary .stat-card-value { color: var(--admin-primary); }
.stat-card--success .stat-card-value { color: var(--admin-success); }
.stat-card--warning .stat-card-value { color: var(--admin-warning); }
.stat-card--danger .stat-card-value { color: var(--admin-danger); }
.stat-card--accent .stat-card-value { color: var(--admin-accent); }

/* ========== TABLE ========== */
.admin-table-wrapper {
    overflow-x: auto;
    background: var(--admin-card);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    border: 1px solid var(--admin-border);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.admin-table th {
    text-align: left;
    padding: 14px 20px;
    font-weight: 600;
    color: var(--admin-text-light);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 2px solid var(--admin-border);
    background: #f8fafc;
    white-space: nowrap;
}

.admin-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--admin-border);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover td {
    background: #f8fafc;
}

.admin-table tr td:first-child {
    font-weight: 600;
}

/* Animation d'entrée des lignes */
.admin-table tbody tr {
    animation: rowFadeIn 0.4s ease-out forwards;
    opacity: 0;
}

.admin-table tbody tr:nth-child(1) { animation-delay: 0.05s; }
.admin-table tbody tr:nth-child(2) { animation-delay: 0.1s; }
.admin-table tbody tr:nth-child(3) { animation-delay: 0.15s; }
.admin-table tbody tr:nth-child(4) { animation-delay: 0.2s; }
.admin-table tbody tr:nth-child(5) { animation-delay: 0.25s; }
.admin-table tbody tr:nth-child(6) { animation-delay: 0.3s; }
.admin-table tbody tr:nth-child(7) { animation-delay: 0.35s; }
.admin-table tbody tr:nth-child(8) { animation-delay: 0.4s; }

@keyframes rowFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== BADGES ========== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    gap: 4px;
    white-space: nowrap;
}

.badge-pending {
    background: #fef3c7;
    color: #92400e;
}

.badge-confirmed {
    background: #dbeafe;
    color: #1e40af;
}

.badge-completed {
    background: #d1fae5;
    color: #065f46;
}

.badge-cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* ========== SECTION HEADER ========== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h2 {
    font-size: 1.125rem;
    font-weight: 700;
}

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--admin-text-light);
    background: var(--admin-card);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
    border: 1px dashed var(--admin-border);
    transition: var(--admin-transition);
}

.empty-state:hover {
    border-color: var(--admin-primary);
    box-shadow: var(--admin-shadow-lg);
}

.empty-state-icon {
    width: 56px;
    height: 56px;
    fill: var(--admin-text-light);
    opacity: 0.2;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 0.875rem;
    max-width: 400px;
    margin: 0 auto;
    color: var(--admin-text-light);
}

/* ========== FORM ========== */
.admin-form {
    background: var(--admin-card);
    border-radius: var(--admin-radius);
    padding: 32px;
    box-shadow: var(--admin-shadow);
    max-width: 640px;
    border: 1px solid var(--admin-border);
    transition: var(--admin-transition);
}

.admin-form:hover {
    box-shadow: var(--admin-shadow-lg);
    border-color: var(--admin-primary);
}

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

.admin-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--admin-text);
}

.admin-form textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

.admin-form select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ========== WELCOME BANNER ========== */
.welcome-banner {
    background: linear-gradient(135deg, var(--admin-sidebar), #1a1a2e);
    border-radius: var(--admin-radius);
    padding: 32px 36px;
    margin-bottom: 32px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.welcome-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212,168,83,0.08), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.welcome-banner h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.welcome-banner p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.welcome-banner .welcome-date {
    background: rgba(255,255,255,0.08);
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
    white-space: nowrap;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.06);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .admin-main {
        padding: 24px 28px;
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        width: 280px;
    }

    .admin-sidebar.open {
        transform: translateX(0);
    }

    .admin-sidebar-toggle {
        display: flex;
    }

    .sidebar-overlay.open {
        display: block;
        opacity: 1;
    }

    .admin-main {
        margin-left: 0;
        padding: 20px;
        padding-top: 76px;
    }

    .admin-topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-top: 0;
    }

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

    .welcome-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
    }

    .admin-form {
        padding: 24px 20px;
    }

    .login-card {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .admin-main {
        padding: 16px;
        padding-top: 76px;
    }

    .admin-table th,
    .admin-table td {
        padding: 10px 14px;
        font-size: 0.8125rem;
    }
}