/* ============================================
   🎨 Design System - RealPayment
   Professional Design System for Payment Platform
   ============================================ */

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
    /* Colors - Background */
    --bg-primary: #F7F8FA;
    --bg-surface: #FFFFFF;
    
    /* Colors - Primary - Updated to match logo */
    --primary: #17B8A0;
    --primary-hover: #149b8a;
    --primary-light: #E0F7F4;
    
    /* Colors - Success */
    --success: #16A34A;
    --success-hover: #15803D;
    --success-bg: #ECFDF5;
    
    /* Colors - Warning */
    --warning: #F59E0B;
    --warning-hover: #D97706;
    --warning-bg: #FFFBEB;
    
    /* Colors - Danger */
    --danger: #DC2626;
    --danger-hover: #B91C1C;
    --danger-bg: #FEF2F2;
    
    /* Colors - Text */
    --text-primary: #101828;
    --text-secondary: #374151;
    --text-muted: #667085;
    --text-subtle: #98A2B3;
    
    /* Colors - Border */
    --border-light: #E5E7EB;
    --border-medium: #D0D5DD;
    --border-dark: #9CA3AF;
    
    /* Colors - Neutral */
    --neutral-50: #F9FAFB;
    --neutral-100: #F3F4F6;
    --neutral-200: #E5E7EB;
    --neutral-300: #D1D5DB;
    --neutral-400: #9CA3AF;
    --neutral-500: #6B7280;
    --neutral-600: #4B5563;
    --neutral-700: #374151;
    --neutral-800: #1F2937;
    --neutral-900: #111827;
    
    /* Spacing (8pt Grid) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
    --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.1);
    --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.25);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================
   Base Styles
   ============================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ============================================
   Unified Navigation Bar
   ============================================ */
.unified-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    z-index: 100;
    height: 64px;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: inherit;
}

.navbar-logo {
    width: 44px;
    height: 44px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(23, 184, 160, 0.15);
    padding: 6px;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.navbar-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(23, 184, 160, 0.25);
}

.navbar-logo img,
.navbar-logo svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.navbar-brand-text,
.brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.navbar-brand-name,
.brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.navbar-brand-tagline,
.brand-tagline {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-link {
    padding: var(--space-2) var(--space-3);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-link:hover {
    background: var(--neutral-100);
    color: var(--primary);
}

.navbar-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.navbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-light);
    margin: 0 var(--space-2);
}

/* ============================================
   Navigation Buttons & Dropdowns
   ============================================ */
.nav-btn {
    padding: 8px 14px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
    white-space: nowrap;
    line-height: 1.4;
    color: var(--text-primary);
}

.nav-btn svg {
    flex-shrink: 0;
}

.nav-btn-secondary {
    background: var(--neutral-100);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.nav-btn-secondary:hover {
    background: white;
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(23, 184, 160, 0.15);
}

.nav-btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(23, 184, 160, 0.3);
}

.nav-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23, 184, 160, 0.5);
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
}

.nav-btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--warning-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
}

.nav-btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
    filter: brightness(1.05);
}

.nav-btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
}

.nav-btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
    filter: brightness(1.05);
}

.nav-btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
}

.nav-btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
    filter: brightness(1.05);
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.nav-dropdown-toggle {
    position: relative;
}

.nav-dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-right: 4px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition-fast);
}

.nav-dropdown.active .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
    min-width: 220px;
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.nav-dropdown.active .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-dropdown-item:hover {
    background: var(--neutral-100);
    color: var(--primary);
}

.nav-dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-dropdown-item:hover svg {
    opacity: 1;
}

.nav-dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: var(--space-2) 0;
}

/* Laptop Responsive - Navbar */
@media (min-width: 1024px) and (max-width: 1280px) {
    .navbar-container {
        padding: 0 var(--space-4);
    }
    
    .navbar-link {
        font-size: 13px;
        padding: var(--space-2) var(--space-2);
    }
    
    .nav-btn {
        padding: 7px 12px;
        font-size: 12px;
    }
    
    .navbar-menu {
        gap: var(--space-1);
    }
}

@media (min-width: 1281px) and (max-width: 1440px) {
    .navbar-container {
        padding: 0 var(--space-5);
    }
}

@media (min-width: 1441px) and (max-width: 1920px) {
    .navbar-container {
        padding: 0 var(--space-6);
    }
}

/* Mobile Responsive - Navbar */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 var(--space-3);
    }
    
    .navbar-menu {
        gap: var(--space-1);
        flex-wrap: wrap;
    }
    
    .nav-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .nav-btn span {
        display: none; /* Hide text on mobile, show only icons */
    }
    
    .brand-text {
        display: none; /* Hide brand text on mobile */
    }
    
    .navbar-logo {
        width: 36px;
        height: 36px;
    }
    
    .nav-dropdown-menu {
        right: auto;
        left: 0;
        min-width: 180px;
    }
}

@media (max-width: 480px) {
    .unified-navbar {
        height: 56px;
    }
    
    .navbar-container {
        padding: 0 var(--space-2);
    }
    
    .nav-btn {
        padding: 6px 8px;
    }
}

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

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideInTop {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInBottom {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.3s ease-out forwards;
}

.animate-fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

.animate-slide-in-top {
    animation: slideInTop 0.4s ease-out forwards;
}

.animate-slide-in-bottom {
    animation: slideInBottom 0.4s ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.4s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.4s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

.animate-scale-out {
    animation: scaleOut 0.3s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-shake {
    animation: shake 0.5s ease-in-out;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ============================================
   Loading Skeleton
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--neutral-100) 0%,
        var(--neutral-200) 50%,
        var(--neutral-100) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 24px;
    width: 60%;
    margin-bottom: var(--space-3);
}

.skeleton-card {
    height: 200px;
    width: 100%;
}

.skeleton-circle {
    border-radius: 50%;
    width: 48px;
    height: 48px;
}

/* ============================================
   Hover Effects
   ============================================ */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.hover-scale {
    transition: transform var(--transition-fast);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-brightness {
    transition: filter var(--transition-fast);
}

.hover-brightness:hover {
    filter: brightness(1.1);
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.spinner-primary {
    border-color: var(--primary-light);
    border-top-color: var(--primary);
}

/* ============================================
   Smooth Transitions
   ============================================ */
.smooth-scroll {
    scroll-behavior: smooth;
}

.transition-all {
    transition: all var(--transition-base);
}

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

.transition-transform {
    transition: transform var(--transition-base);
}

/* ============================================
   Buttons - Primary, Secondary, Tertiary
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    outline: none;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Primary Button */
.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(23, 184, 160, 0.3);
}

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

/* Secondary Button */
.btn-secondary {
    background: white;
    color: var(--text-secondary);
    border: 2px solid var(--border-medium);
}

.btn-secondary:hover {
    background: var(--neutral-50);
    border-color: var(--border-dark);
    color: var(--text-primary);
}

/* Success Button */
.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: var(--success-hover);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

/* Danger Button */
.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-hover);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

.btn-ghost:hover {
    background: var(--neutral-100);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 13px;
}

.btn-md {
    padding: var(--space-3) var(--space-5);
    font-size: 14px;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 16px;
}

/* Button States */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--bg-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

.card-header {
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2) 0;
}

.card-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

/* Stat Card */
.stat-card {
    background: var(--bg-surface);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    text-align: center;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    font-size: 24px;
}

.stat-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.stat-change {
    font-size: 13px;
    color: var(--text-subtle);
}

/* ============================================
   Badges & Tags
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

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

.badge-neutral {
    background: var(--neutral-100);
    color: var(--neutral-700);
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 14px;
    color: var(--text-primary);
    background: white;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(23, 184, 160, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background: var(--neutral-50);
    cursor: not-allowed;
    opacity: 0.6;
}

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

.form-error {
    display: block;
    margin-top: var(--space-1);
    font-size: 13px;
    color: var(--danger);
}

.form-hint {
    display: block;
    margin-top: var(--space-1);
    font-size: 13px;
    color: var(--text-muted);
}

/* ============================================
   Tables
   ============================================ */
.table-container {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.table thead {
    background: var(--neutral-50);
}

.table th {
    padding: var(--space-4);
    text-align: right;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: var(--space-4);
    border-top: 1px solid var(--border-light);
    font-size: 14px;
    color: var(--text-secondary);
}

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

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

/* ============================================
   Modal
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

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

/* ============================================
   Loading States
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
    background: white;
    border-radius: var(--radius-2xl);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: var(--space-4);
}

.empty-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2) 0;
}

.empty-description {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0 0 var(--space-6) 0;
}

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

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.hidden { display: none !important; }
.block { display: block !important; }

/* ============================================
   Responsive Utilities - Laptop Only
   ============================================ */

/* Small Laptop (1024px - 1280px) */
@media (min-width: 1024px) and (max-width: 1280px) {
    .modal-content {
        padding: var(--space-8) var(--space-5);
        max-width: 85%;
    }
    
    .stat-card {
        padding: var(--space-5);
    }
    
    .card {
        padding: var(--space-5);
    }
}

/* Medium Laptop (1281px - 1440px) */
@media (min-width: 1281px) and (max-width: 1440px) {
    .modal-content {
        padding: var(--space-10) var(--space-6);
        max-width: 80%;
    }
}

/* Large Laptop (1441px - 1920px) */
@media (min-width: 1441px) and (max-width: 1920px) {
    .modal-content {
        padding: var(--space-12) var(--space-8);
        max-width: 75%;
    }
}