:root {
    --primary: #4F46E5;
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --primary-hover: #4338CA;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --bg-light: #ffffff;
    --bg-dark: #0b1220;
    --card-light: #ffffff;
    --card-dark: #111827;
    --text-light: #1e293b;
    --text-dark: #F3F4F6;
    --border-light: #e5e7eb;
    --border-dark: rgba(255, 255, 255, 0.06);
    
    /* Depth System */
    --shadow-l0: none;
    --shadow-l1: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-l2: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-l3: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 16px;
}

/* Premium SaaS Dashboard Enhancements */
.issue-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.issue-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-l2);
    border-color: var(--primary);
}

.issue-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.issue-card:hover::after {
    opacity: 1;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-card:hover {
    box-shadow: var(--shadow-l2);
    border-color: var(--primary);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary);
}

.data-table th {
    background: rgba(0, 0, 0, 0.02);
    padding: 16px;
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(79, 70, 229, 0.05);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary-gradient);
    color: white !important;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

[data-theme="dark"] {
    --bg: #0B1120;
    --card: #1E293B;
    --text: #FFFFFF;
    --text-light: #CBD5F5;
    --text-muted: #94A3B8;
    --border: #334155;
    --input-bg: #1E293B;
    --input-border: #475569;
    --input-placeholder: #64748B;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] {
    --bg: #F8FAFC;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
    --text-muted: #94A3B8;
    --border: rgba(0, 0, 0, 0.08);
    --input-bg: #FFFFFF;
    --input-border: #E2E8F0;
    --input-placeholder: #94A3B8;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Text Visibility Fixes */
[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] .card-header h1,
[data-theme="dark"] .card-header h2,
[data-theme="dark"] .navbar-center,
[data-theme="dark"] .sidebar-logo span,
[data-theme="dark"] .nav-link span,
[data-theme="dark"] .stat-card h3,
[data-theme="dark"] .section-header h2,
[data-theme="dark"] .modal-content h2,
[data-theme="dark"] .modal-content h3 {
    color: #FFFFFF !important;
}

[data-theme="dark"] .data-table th {
    color: #FFFFFF !important;
    opacity: 1 !important;
}

[data-theme="dark"] .data-table td,
[data-theme="dark"] .stat-label,
[data-theme="dark"] .chat-msg.bot,
[data-theme="dark"] .search-subtitle,
[data-theme="dark"] .text-light,
[data-theme="dark"] .issue-card div {
    color: #CBD5F5 !important;
}

[data-theme="dark"] .form-group label {
    color: #FFFFFF !important;
    opacity: 1 !important;
    font-weight: 600 !important;
}

[data-theme="dark"] .form-control,
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--input-bg) !important;
    color: #FFFFFF !important;
    border-color: var(--input-border) !important;
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--input-placeholder) !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .stat-card h3,
[data-theme="dark"] .nav-link i {
    color: #94A3B8 !important;
}

[data-theme="dark"] .modal-content {
    color: #CBD5F5 !important;
}

[data-theme="dark"] .btn-outline {
    color: #FFFFFF !important;
    border-color: var(--border) !important;
    background: #334155 !important;
}

[data-theme="dark"] .nav-link.active i,
[data-theme="dark"] .nav-link.active span {
    color: #FFFFFF !important;
}

[data-theme="dark"] .badge {
    color: #FFFFFF !important;
}

[data-theme="dark"] .badge-pending { background: rgba(245, 158, 11, 0.2) !important; color: #FBBF24 !important; }
[data-theme="dark"] .badge-in-progress { background: rgba(59, 130, 246, 0.2) !important; color: #60A5FA !important; }
[data-theme="dark"] .badge-resolved { background: rgba(16, 185, 129, 0.2) !important; color: #34D399 !important; }
[data-theme="dark"] .badge-closed { background: rgba(100, 116, 139, 0.2) !important; color: #94A3B8 !important; }

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Remove body::before noise filter */
body::before {
    display: none;
}

.glass {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    position: relative;
    transition: var(--transition);
}

.floating-card {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-l1);
    border-radius: var(--radius);
    transition: var(--transition);
}

.floating-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-l2);
}

.btn {
    padding: 12px 24px;
    border-radius: 14px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    letter-spacing: 0.01em;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.badge {
    padding: 6px 14px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: #F59E0B; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-progress { background: rgba(79, 70, 229, 0.15); color: #818CF8; border: 1px solid rgba(79, 70, 229, 0.3); }
.badge-resolved { background: rgba(16, 185, 129, 0.15); color: #10B981; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-closed { background: rgba(100, 116, 139, 0.15); color: #94A3B8; border: 1px solid rgba(100, 116, 139, 0.3); }
.badge-in-progress { background: rgba(79, 70, 229, 0.15); color: #818CF8; border: 1px solid rgba(79, 70, 229, 0.3); }
.badge-emergency { background: rgba(239, 68, 68, 0.15); color: #EF4444; border: 1px solid rgba(239, 68, 68, 0.3); }

.toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 10000;
}

.toast {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-l2);
    animation: toastIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes toastIn {
    from { transform: translateX(100%) scale(0.8); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}

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

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100000;
}

.modal-content {
    background: var(--card);
    padding: 32px;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-l3);
    animation: modalSlideUp 0.3s ease-out;
}

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

/* Delete Popup */
.delete-popup {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    background: var(--card) !important;
    border: 1px solid var(--border) !important;
    border-radius: 20px !important;
    padding: 32px !important;
    box-shadow: var(--shadow-l3) !important;
    z-index: 100001 !important;
    width: 340px !important;
    text-align: center !important;
    animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.delete-popup::before {
    content: '';
    position: fixed;
    top: -100vh;
    left: -100vw;
    width: 300vw;
    height: 300vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: -1;
}

/* Mobile Fixes */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 10001;
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0 !important;
        padding: 16px !important;
    }
    .top-navbar {
        left: 0 !important;
        width: 100% !important;
    }
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .data-table {
        min-width: 800px;
    }
    .stat-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 640px) {
    .stat-grid {
        grid-template-columns: 1fr !important;
    }
    .navbar-center {
        display: none !important;
    }
}

.delete-popup-arrow {
    display: none !important;
}