/* ============================================
   FLY Manager — Corporate Flight Booking
   Design System & Component Styles
   ============================================ */

/* --- Variables --- */
:root {
    --primary: #3B82F6;
    --primary-dark: #2563EB;
    --primary-light: #93C5FD;
    --primary-50: rgba(59, 130, 246, 0.08);
    --primary-100: rgba(59, 130, 246, 0.15);

    --secondary: #1f2937;
    --secondary-light: #374151;

    --success: #22c55e;
    --success-light: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.12);
    --info: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.12);

    --bg: #f0f4f8;
    --bg-card: #ffffff;
    --bg-sidebar: #0f172a;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.06);
    --bg-sidebar-active: linear-gradient(135deg, var(--primary), var(--primary-dark));
    --bg-input: #f9fafb;

    --border: #e5e7eb;
    --border-light: #f3f4f6;

    --text: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-sidebar: rgba(255, 255, 255, 0.65);
    --text-sidebar-active: #ffffff;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.06), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1), 0 8px 16px rgba(0, 0, 0, 0.06);
    --shadow-primary: 0 4px 14px rgba(59, 130, 246, 0.35);

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --sidebar-width: 280px;

    --transition-fast: 0.15s ease;
    --transition: 0.25s ease;
    --transition-slow: 0.4s ease;

    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}


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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

#app-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    gap: 20px;
    background: var(--bg);
}

.loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.01em;
}


/* --- Layout --- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
    overflow-y: auto;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.sidebar-logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
    box-shadow: var(--shadow-primary);
    flex-shrink: 0;
}

.sidebar-logo-text {
    display: flex;
    flex-direction: column;
}

.sidebar-logo-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.sidebar-logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-sidebar);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.3);
    font-weight: 600;
    padding: 0 12px;
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-sidebar);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    user-select: none;
}

.nav-item:hover {
    background: var(--bg-sidebar-hover);
    color: rgba(255, 255, 255, 0.9);
}

.nav-item.active {
    background: var(--bg-sidebar-active);
    color: var(--text-sidebar-active);
    box-shadow: var(--shadow-primary);
    font-weight: 600;
}

.nav-item-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    opacity: 0.75;
}

.nav-item.active .nav-item-icon {
    opacity: 1;
}

.nav-item-label {
    flex: 1;
}

.nav-item-badge {
    background: var(--danger);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
    line-height: 1.4;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-info:hover {
    background: var(--bg-sidebar-hover);
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.7rem;
    color: var(--text-sidebar);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-toggle-mobile {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    background: var(--bg-sidebar);
    color: #fff;
    border: none;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}


/* --- Page Header --- */
.page-header {
    padding: 28px 32px 20px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.page-title {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}


/* --- Page Content --- */
.page-content {
    padding: 0 32px 32px;
    flex: 1;
}


/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
    line-height: 1.4;
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--secondary);
    color: #fff;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-light);
}

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

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-outline:hover:not(:disabled) {
    background: var(--bg);
    border-color: var(--text-muted);
    color: var(--text);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}


/* --- Cards --- */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
}

.card-body {
    padding: 22px;
}


/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 22px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-xs);
    transition: all var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.stat-icon.blue {
    background: var(--primary-50);
    color: var(--primary);
}

.stat-icon.green {
    background: var(--success-light);
    color: var(--success);
}

.stat-icon.orange {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.red {
    background: var(--danger-light);
    color: var(--danger);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}


/* --- Data Table --- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow-xs);
}

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

.data-table th {
    background: var(--bg);
    padding: 12px 18px;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: var(--primary-50);
}

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

.data-table tbody tr.clickable {
    cursor: pointer;
}

.data-table tbody tr.clickable:hover {
    background: var(--primary-100);
}


/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.badge-success {
    background: var(--success-light);
    color: #16a34a;
}

.badge-warning {
    background: var(--warning-light);
    color: #d97706;
}

.badge-danger {
    background: var(--danger-light);
    color: #dc2626;
}

.badge-info {
    background: var(--info-light);
    color: #0891b2;
}

.badge-gray {
    background: #f3f4f6;
    color: #6b7280;
}

.badge-primary {
    background: var(--primary-50);
    color: var(--primary);
}


/* --- Forms --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.875rem;
    font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background: #fff;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-select {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.875rem;
    font-family: var(--font);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    transition: all var(--transition-fast);
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    background-color: #fff;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}


/* --- Modals --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    animation: scaleIn 0.25s ease;
}

.modal-header {
    padding: 22px 24px 16px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

.modal-close:hover {
    background: var(--bg);
    color: var(--text);
}

.modal-body {
    padding: 20px 24px;
}

.modal-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}


/* --- Tabs --- */
.tabs {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg);
    padding: 4px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.tab {
    padding: 8px 18px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font);
    white-space: nowrap;
}

.tab:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.5);
}

.tab.active {
    background: #fff;
    color: var(--primary);
    font-weight: 600;
    box-shadow: var(--shadow-xs);
}


/* --- Empty State --- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px;
    text-align: center;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: var(--primary-50);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 18px;
}

.empty-state-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-width: 340px;
    line-height: 1.6;
}


/* --- Login --- */
.login-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.login-form-side {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.login-visual-side {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), #1d4ed8);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-visual-side::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.login-visual-side::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    bottom: -80px;
    left: -60px;
    border-radius: 50%;
}

.login-visual-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 40px;
}

.login-visual-icon {
    font-size: 4rem;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.login-visual-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.login-visual-text {
    font-size: 1rem;
    opacity: 0.85;
    max-width: 320px;
    margin: 0 auto;
    line-height: 1.7;
}

.login-form-container {
    width: 100%;
    max-width: 400px;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
}

.login-brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    box-shadow: var(--shadow-primary);
}

.login-brand-name {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.04em;
}

.login-welcome {
    margin-bottom: 32px;
}

.login-welcome h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.login-welcome p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.login-error {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.login-form .form-group {
    gap: 8px;
}

.form-input-lg {
    padding: 14px 16px;
    font-size: 0.95rem;
    border-radius: var(--radius);
}


/* --- Demo Banner --- */
.demo-banner {
    background: #fef3c7;
    border-bottom: 1px solid #fde68a;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.82rem;
    color: #92400e;
    font-weight: 500;
}

.demo-banner-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.demo-banner-text {
    flex: 1;
}

.demo-banner-toggle {
    background: #f59e0b;
    color: #fff;
    border: none;
    padding: 5px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: var(--font);
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.demo-banner-toggle:hover {
    background: #d97706;
}


/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
    max-width: 400px;
}

.toast {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 14px 18px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    pointer-events: auto;
    animation: slideIn 0.35s ease;
    border-left: 4px solid var(--border);
    min-width: 300px;
}

.toast-success {
    border-left-color: var(--success);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-error {
    border-left-color: var(--danger);
}

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-top: 1px;
}

.toast-success .toast-icon {
    color: var(--success);
}

.toast-warning .toast-icon {
    color: var(--warning);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-body {
    flex: 1;
}

.toast-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 2px;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text);
}


/* --- Animations --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}


/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.18);
}


/* --- Utilities --- */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}


/* --- Responsive --- */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .page-header {
        padding: 24px 20px 16px;
    }

    .page-content {
        padding: 0 20px 24px;
    }
}

@media (max-width: 640px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .main-content {
        margin-left: 0;
    }

    .page-header {
        padding: 20px 16px 14px;
        padding-top: 68px;
    }

    .page-content {
        padding: 0 16px 20px;
    }

    .page-title {
        font-size: 1.3rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .login-split {
        grid-template-columns: 1fr;
    }

    .login-visual-side {
        display: none;
    }

    .login-form-side {
        padding: 24px;
    }

    .modal-content {
        max-width: 100%;
        margin: 16px;
        border-radius: var(--radius-lg);
    }

    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .toast-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }

    .toast {
        min-width: 0;
    }
}

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

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }
}