/* ===== Core Variables & Reset ===== */
:root {
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    --gold-primary: #d4af37;
    --gold-light: #f3e5ab;
    --gold-dark: #aa8c2c;

    --accent-blue: #3b82f6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;

    --border-color: #334155;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 20px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Tajawal', sans-serif;
}

body.dark-theme {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Typography & Utilities ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--gold-primary);
    transition: var(--transition);
}

a:hover {
    color: var(--gold-light);
}

ul {
    list-style: none;
}

.text-gold {
    color: var(--gold-primary) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.d-none {
    display: none !important;
}

.w-100 {
    width: 100% !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mb-4 {
    margin-bottom: 1rem;
}

/* ===== Buttons & Inputs ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold-primary), var(--gold-dark));
    color: var(--bg-darker);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    background: linear-gradient(135deg, var(--gold-light), var(--gold-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.btn-primary {
    background-color: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
}

.btn-danger-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-icon {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--gold-primary);
    color: var(--bg-darker);
}

.input-container {
    position: relative;
    width: 100%;
    margin-bottom: 1rem;
}

.input-container i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-container input,
.input-container select {
    width: 100%;
    padding: 0.875rem 2.5rem 0.875rem 1rem;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.input-container input:focus,
.input-container select:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

/* Alert */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ===== Login Screen ===== */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at 50% 50%, var(--bg-dark), var(--bg-darker));
}

.login-card {
    background-color: var(--bg-card);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header i {
    margin-bottom: 1rem;
}

.login-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

/* ===== App Layout ===== */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-brand {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand span {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-weight: 600;
}

.nav-item i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--gold-primary);
}

.nav-item.active {
    border-right: 3px solid var(--gold-primary);
}

.sidebar-footer {
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-info .avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-darker);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-primary);
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-details .name {
    font-weight: 700;
    font-size: 0.9rem;
}

.user-details .role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: calc(100% - 260px);
}

.topbar {
    height: 70px;
    padding: 0 2rem;
    background-color: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.date-display {
    color: var(--text-muted);
    font-weight: 500;
}

.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background-color: var(--bg-dark);
}

/* ===== Reusable Components ===== */
/* Dashboard Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(212, 175, 55, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.bg-gold-light {
    background: rgba(212, 175, 55, 0.1);
    color: var(--gold-primary);
}

.bg-blue-light {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
}

.bg-green-light {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.bg-purple-light {
    background: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

.stat-info h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-info p {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
}

/* Tables */
.table-container {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.table-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-header h2 {
    font-size: 1.25rem;
}

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

.data-table th,
.data-table td {
    padding: 1rem 1.5rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-secondary);
    font-weight: 600;
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

.data-table td {
    color: var(--text-primary);
}

.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--text-muted);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Forms & Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        right: -260px;
        height: 100%;
    }

    .sidebar.open {
        right: 0;
    }

    .main-content {
        width: 100%;
    }

    .menu-toggle {
        display: block;
    }

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

    .table-responsive {
        overflow-x: auto;
    }
}