/*
 * Cyberindo Financial System - Modern Blue-White Gradient UI
 * Professional, Clean, and Corporate Design
 */

/* ============================================
   CSS VARIABLES - COLOR PALETTE
   ============================================ */
:root {
    /* Primary Colors */
    --primary-blue: #0044CC;
    --secondary-blue: #007BFF;
    --accent-cyan: #00E0FF;
    
    /* Neutral Colors */
    --white-base: #FFFFFF;
    --soft-gray: #F4F6F8;
    --light-gray: #E8EAED;
    --medium-gray: #9AA5B1;
    --dark-gray: #4B5563;
    --text-primary: #1E2A39;
    
    /* Status Colors */
    --success: #28A745;
    --success-light: #D4EDDA;
    --warning: #FFC107;
    --warning-light: #FFF3CD;
    --danger: #DC3545;
    --danger-light: #F8D7DA;
    --info: #17A2B8;
    --info-light: #D1ECF1;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0044CC 0%, #007BFF 100%);
    --gradient-accent: linear-gradient(135deg, #007BFF 0%, #00E0FF 100%);
    --gradient-success: linear-gradient(135deg, #28A745 0%, #34CE57 100%);
    --gradient-warning: linear-gradient(135deg, #FFC107 0%, #FFD54F 100%);
    --gradient-danger: linear-gradient(135deg, #DC3545 0%, #E57373 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-gradient: linear-gradient(180deg, #0044CC 0%, #007BFF 50%, #00A8E8 100%);
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--soft-gray);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 28px; }
h2 { font-size: 24px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }
h5 { font-size: 16px; }
h6 { font-size: 14px; }

/* ============================================
   SIDEBAR - MODERN GRADIENT
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-gradient);
    color: var(--white-base);
    box-shadow: 2px 0 12px rgba(0, 68, 204, 0.15);
    z-index: 1000;
    overflow-y: auto;
    transition: var(--transition-base);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

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

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
}

.sidebar-header {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    max-width: 160px;
    height: auto;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
}

.sidebar-title {
    font-size: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-nav {
    padding: var(--spacing-md) 0;
}

.nav-item {
    list-style: none;
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px var(--spacing-lg);
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-cyan);
    opacity: 0;
    transition: var(--transition-base);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white-base);
    padding-left: calc(var(--spacing-lg) + 4px);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white-base);
    font-weight: 600;
}

.nav-link.active::before {
    opacity: 1;
}

.nav-link i {
    margin-right: var(--spacing-md);
    font-size: 18px;
    width: 20px;
    text-align: center;
}

/* ============================================
   HEADER TOPBAR
   ============================================ */
.main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: var(--transition-base);
}

.topbar {
    background: var(--white-base);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.topbar-left h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
}

.topbar-left p {
    font-size: 13px;
    color: var(--medium-gray);
    margin-top: 2px;
}

.topbar-right {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.topbar-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.main-content {
    padding: var(--spacing-xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 14px;
    color: var(--medium-gray);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    outline: none;
    text-align: center;
    white-space: nowrap;
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white-base);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(0, 68, 204, 0.3);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--white-base);
}

.btn-accent:hover {
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

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

.btn-warning {
    background: var(--gradient-warning);
    color: var(--text-primary);
}

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

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

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

.btn-white {
    background: var(--white-base);
    color: var(--text-primary);
    border: 1px solid var(--light-gray);
}

.btn-white:hover {
    background: var(--soft-gray);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-md);
}

.btn-icon-sm {
    width: 32px;
    height: 32px;
    padding: 0;
}

/* Floating Action Button */
.btn-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--white-base);
    box-shadow: var(--shadow-xl);
    z-index: 998;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-floating:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(0, 68, 204, 0.4);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--white-base);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
}

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

.card-header {
    border-bottom: 1px solid var(--light-gray);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-md) 0;
}

.card-footer {
    border-top: 1px solid var(--light-gray);
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* Gradient Cards */
.card-gradient {
    background: var(--gradient-primary);
    color: var(--white-base);
}

.card-gradient-accent {
    background: var(--gradient-accent);
    color: var(--white-base);
}

.card-gradient-success {
    background: var(--gradient-success);
    color: var(--white-base);
}

.card-gradient-warning {
    background: var(--gradient-warning);
    color: var(--text-primary);
}

/* ============================================
   STATISTICS CARDS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    color: white;
}

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

.stat-card.blue {
    background: var(--gradient-primary);
}

.stat-card.cyan {
    background: var(--gradient-accent);
}

.stat-card.success {
    background: var(--gradient-success);
}

.stat-card.warning {
    background: var(--gradient-warning);
}

.stat-card.danger {
    background: var(--gradient-danger);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.stat-title {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    color: rgba(255, 255, 255, 0.95);
}

.stat-change.positive {
    color: rgba(255, 255, 255, 0.95);
}

.stat-change.negative {
    color: rgba(255, 255, 255, 0.95);
}

/* ============================================
   TABLES
   ============================================ */
.table-wrapper {
    background: var(--white-base);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead {
    background: var(--soft-gray);
}

.table thead th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--light-gray);
}

.table tbody tr {
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--light-gray);
}

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

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

.table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-primary);
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(0, 68, 204, 0.1);
    color: var(--primary-blue);
}

.badge-success {
    background: var(--success-light);
    color: #1E7E34;
}

.badge-warning {
    background: var(--warning-light);
    color: #856404;
}

.badge-danger {
    background: var(--danger-light);
    color: #A71D2A;
}

.badge-info {
    background: var(--info-light);
    color: #117A8B;
}

.badge-gray {
    background: var(--light-gray);
    color: var(--dark-gray);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
    content: '*';
    color: var(--danger);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--white-base);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 68, 204, 0.1);
}

.form-control::placeholder {
    color: var(--medium-gray);
}

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

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

.form-control-icon i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 16px;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    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='%239AA5B1' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    appearance: none;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 42, 57, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white-base);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

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

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

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--medium-gray);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.modal-close:hover {
    background: var(--soft-gray);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-success {
    background: var(--success-light);
    color: #1E7E34;
    border-left: 4px solid var(--success);
}

.alert-warning {
    background: var(--warning-light);
    color: #856404;
    border-left: 4px solid var(--warning);
}

.alert-danger {
    background: var(--danger-light);
    color: #A71D2A;
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: var(--info-light);
    color: #117A8B;
    border-left: 4px solid var(--info);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 13px;
}

.breadcrumb-item {
    color: var(--medium-gray);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--medium-gray);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.pagination-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--light-gray);
    background: var(--white-base);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 14px;
    font-weight: 500;
}

.pagination-item:hover {
    background: var(--soft-gray);
}

.pagination-item.active {
    background: var(--gradient-primary);
    color: var(--white-base);
    border-color: transparent;
}

/* ============================================
   AVATAR
   ============================================ */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--white-base);
    background: var(--gradient-primary);
    font-size: 16px;
    overflow: hidden;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-sm {
    width: 32px;
    height: 32px;
    font-size: 13px;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 22px;
}

.avatar-xl {
    width: 80px;
    height: 80px;
    font-size: 32px;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top-color: var(--primary-blue);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 64px;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
}

.empty-state-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: 14px;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1001;
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: var(--white-base);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    font-size: 20px;
}

.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 42, 57, 0.6);
    z-index: 999;
    backdrop-filter: blur(2px);
}

.overlay.active {
    display: block;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .topbar {
        padding: var(--spacing-md);
    }
    
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table-wrapper {
        overflow-x: auto;
    }
    
    .btn-floating {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 20px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--primary-blue); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--medium-gray); }

.fw-normal { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-flex { display: flex; }
.d-block { display: block; }
.d-none { display: none; }
.d-inline-flex { display: inline-flex; }

.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.justify-content-end { justify-content: flex-end; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

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

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