:root {
    /* Light Professional Theme */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;

    /* Primary Colors - Professional Blue */
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --primary-glow: rgba(37, 99, 235, 0.15);

    /* Secondary Colors - Emerald Green */
    --secondary: #10b981;
    --secondary-hover: #059669;
    --secondary-light: #d1fae5;
    --secondary-glow: rgba(16, 185, 129, 0.15);

    /* Accent - Amber */
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-light: #fef3c7;

    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;

    /* Border Colors */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-focus: #2563eb;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    --z-toast: 700;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
.font-manrope {
    font-family: 'Manrope', sans-serif;
}

.font-mono {
    font-family: 'Fira Code', 'Consolas', monospace;
}

/* Glassmorphism - Light version */
.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.glass-strong {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.glass-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}

/* Gradients */
.grad-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
}

.grad-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%);
}

.grad-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
}

.grad-primary-text {
    background: linear-gradient(135deg, var(--primary), #1e40af);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    min-height: 44px;
    min-width: 44px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary:hover {
    background: var(--secondary-hover);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

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

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* Inputs */
.input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

.input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

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

.input-group {
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group .input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.input-group .input {
    padding-left: 3rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(37, 99, 235, 0.2);
}

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

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

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

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

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Stats */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--grad-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-change {
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--error);
}

/* Sidebar */
.sidebar {
    width: 280px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: var(--z-fixed);
    background: var(--bg-primary);
    border-right: 1px solid var(--border-light);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding: 0 0.75rem;
}

.sidebar-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.sidebar-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sidebar-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.sidebar-subtitle {
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.125rem;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
    margin-bottom: 0.125rem;
}

.sidebar-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.sidebar-item .material-symbols-outlined {
    font-size: 22px;
    opacity: 0.8;
}

.sidebar-item.active .material-symbols-outlined {
    opacity: 1;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

/* Mobile Bottom Nav */
.mobile-nav {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    z-index: var(--z-fixed);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
    border-radius: var(--radius-lg);
}

.mobile-nav-item.active {
    color: var(--primary);
    background: var(--primary-light);
}

.mobile-nav-item .material-symbols-outlined {
    font-size: 24px;
}

/* Main Content */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
}

/* Header */
.page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: 0.25rem;
}

.page-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
    width: 100%;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

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

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-warning {
    border-left: 4px solid var(--warning);
}

.toast-error {
    border-left: 4px solid var(--error);
}

.toast-info {
    border-left: 4px solid var(--info);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

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

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

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-tertiary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow-x: auto;
}

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

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.table th {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-hover);
}

.table td {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

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

/* Grid System */
.grid-cols {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 640px) {
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 1.5rem !important;
        padding-bottom: 100px !important;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .main-content {
        padding: 1rem !important;
        padding-bottom: 90px !important;
    }

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

    .mobile-nav {
        bottom: 0.75rem;
        left: 0.75rem;
        right: 0.75rem;
        padding: 0.5rem;
    }

    .mobile-nav-item {
        padding: 0.5rem;
        font-size: 0.5rem;
    }

    .mobile-nav-item .material-symbols-outlined {
        font-size: 20px;
    }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: calc(var(--z-fixed) + 10);
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: pointer;
}

@media (max-width: 1024px) {
    .menu-toggle {
        display: flex;
    }
}

.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) + 5);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    z-index: calc(var(--z-fixed) + 6);
    background: var(--bg-card);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.mobile-menu.active {
    transform: translateX(0);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

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

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

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

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

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

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Helpers */
.hidden { display: none !important; }
.block { display: block !important; }
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.grid { display: grid !important; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.max-w-full { max-width: 100%; }
.max-h-full { max-height: 100%; }

.min-w-0 { min-width: 0; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-auto { overflow-x: auto; }

.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }

.transition { transition: all var(--transition-fast); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-all { transition: all var(--transition-base); }

.hover\:bg-hover:hover { background: var(--bg-hover); }
.hover\:shadow-lg:hover { box-shadow: var(--shadow-lg); }
.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Material Icons */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

/* Responsive Utilities */
@media (max-width: 1024px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (max-width: 640px) {
    .hide-sm {
        display: none !important;
    }
}

@media (min-width: 1025px) {
    .show-mobile-only {
        display: none !important;
    }
}