/* Giveaways Management Styles - Modern & Futuristic */
:root {
    /* Futuristic Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #1e293b;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --black: #000000;
    
    /* Futuristic Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--gray-800) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, #0891b2 100%);
    --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    --gradient-error: linear-gradient(135deg, var(--error-color) 0%, #dc2626 100%);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Giveaways Container */
.giveaways-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

/* Header */
.giveaways-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-lg) var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-left .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    box-shadow: var(--shadow-glow);
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.logo-icon:hover::before {
    left: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--gray-900);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.8rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.header-right .header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.user-menu:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.user-avatar {
    width: 38px;
    height: 38px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.9rem;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Main Content */
.giveaways-main {
    padding: var(--spacing-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Stats Section */
.stats-section {
    margin-bottom: var(--spacing-3xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.stat-card:nth-child(2)::before {
    background: var(--gradient-success);
}

.stat-card:nth-child(3)::before {
    background: var(--gradient-accent);
}

.stat-card:nth-child(4)::before {
    background: var(--gradient-warning);
}

.stat-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.4rem;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.stat-card:nth-child(2) .stat-icon {
    background: var(--gradient-success);
}

.stat-card:nth-child(3) .stat-icon {
    background: var(--gradient-accent);
}

.stat-card:nth-child(4) .stat-icon {
    background: var(--gradient-warning);
}

.stat-content {
    margin-bottom: var(--spacing-md);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-600);
    font-weight: 500;
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    width: fit-content;
}

.stat-trend.positive {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.stat-trend.negative {
    color: var(--error-color);
    background: rgba(239, 68, 68, 0.1);
}

.stat-trend.neutral {
    color: var(--gray-500);
    background: rgba(100, 116, 139, 0.1);
}

/* Filters Section */
.filters-section {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
}

.filters-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex: 1;
}

.search-box {
    position: relative;
    min-width: 300px;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.9rem;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 2.5rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    transition: var(--transition-normal);
    background: var(--gray-50);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-group {
    display: flex;
    gap: var(--spacing-md);
}

.filter-select {
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    background: var(--gray-50);
    color: var(--gray-700);
    transition: var(--transition-normal);
    min-width: 140px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filters-right {
    display: flex;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

/* Giveaways Section */
.giveaways-section {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.giveaways-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-900);
}

.view-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.view-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--gray-300);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition-normal);
}

.view-btn:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
}

.view-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

/* Giveaways List */
.giveaways-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.giveaway-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.giveaway-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.giveaway-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.giveaway-card:hover::before {
    transform: scaleX(1);
}

.giveaway-card.completed::before {
    background: var(--gradient-success);
    transform: scaleX(1);
}

.giveaway-card.pending::before {
    background: var(--gradient-warning);
    transform: scaleX(1);
}

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

.giveaway-type {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.giveaway-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.giveaway-status.completed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.giveaway-status.pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.giveaway-status.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.giveaway-amount {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.giveaway-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-label {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 0.9rem;
    color: var(--gray-700);
    font-weight: 600;
}

.giveaway-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.giveaway-date {
    font-size: 0.8rem;
    color: var(--gray-500);
}

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

.action-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--gray-300);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition-normal);
}

.action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    transform: scale(1.1);
}

/* Loading States */
.loading-giveaways {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl);
    color: var(--gray-500);
}

.loading-giveaways i {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    animation: spin 1s linear infinite;
}

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

.empty-giveaways {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl);
    color: var(--gray-500);
}

.empty-giveaways i {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.9rem;
    font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-numbers {
    display: flex;
    gap: var(--spacing-xs);
}

.page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not(.active) {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    color: var(--gray-500);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.modal-form {
    padding: var(--spacing-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    transition: var(--transition-normal);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .giveaways-main {
        padding: var(--spacing-xl);
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .filters-section {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .filters-left {
        flex-direction: column;
        gap: var(--spacing-lg);
        width: 100%;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .filter-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .giveaways-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .giveaways-header {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .header-right .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .giveaways-main {
        padding: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .filters-section {
        padding: var(--spacing-lg);
    }
    
    .filter-group {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .filter-select {
        min-width: 100%;
    }
    
    .giveaways-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .giveaway-card {
        padding: var(--spacing-lg);
    }
    
    .giveaway-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .pagination {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .pagination-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .modal {
        width: 95%;
        margin: var(--spacing-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .giveaways-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }
    
    .logo-name {
        font-size: 1.2rem;
    }
    
    .giveaways-main {
        padding: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .giveaway-amount {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

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

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --gray-200: #000000;
        --gray-300: #000000;
    }
} 

/* Header Navigation */
.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.header-nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--gray-50);
}

.nav-link i {
    font-size: 0.8rem;
}

/* User Menu Styles */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.user-menu:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.8rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.8rem;
}

.user-role {
    font-size: 0.7rem;
    color: var(--gray-500);
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.menu-toggle:hover {
    background: var(--gray-200);
    color: var(--gray-700);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
    margin-top: var(--spacing-xs);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition-normal);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 16px;
    font-size: 0.8rem;
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--spacing-xs) 0;
}

/* Responsive Design Updates */
@media (max-width: 1024px) {
    .header-left {
        gap: var(--spacing-lg);
    }
    
    .header-nav {
        gap: var(--spacing-md);
    }
    
    .nav-link span {
        display: none;
    }
    
    .nav-link {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .giveaways-header {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .header-left {
        width: 100%;
        justify-content: space-between;
    }
    
    .header-right {
        width: 100%;
    }
    
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .header-nav {
        display: none;
    }
    
    .user-menu {
        padding: var(--spacing-xs);
    }
    
    .user-info {
        display: none;
    }
    
    .user-dropdown {
        right: -10px;
        min-width: 180px;
    }
}