/* Reset et variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #1e293b;
    --darker-bg: #0f172a;
    --light-bg: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 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);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

.logo a {
    text-decoration: none;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: var(--light-bg);
    border-radius: 8px;
    font-weight: 500;
}

.nav-link {
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-primary);
    border-radius: 6px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-link:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}

.nav-link.btn-primary {
    background: var(--primary-color);
    color: white;
}

.nav-link.btn-primary:hover {
    background: var(--primary-dark);
}

.nav-link.admin-link {
    background: var(--warning-color);
    color: white;
}

.nav-link.admin-link:hover {
    background: #d97706;
}

/* Main content */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 200px);
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* Wheel container */
.wheel-container {
    text-align: center;
    padding: 2rem 0;
}

.wheel-wrapper {
    position: relative;
    width: 350px;
    height: 350px;
    margin: 0 auto 2rem;
}

.wheel {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 10px solid var(--primary-color);
    background: conic-gradient(
        from 0deg,
        #ff6b6b 0deg 60deg,
        #4ecdc4 60deg 120deg,
        #ffe66d 120deg 180deg,
        #a8e6cf 180deg 240deg,
        #ff8b94 240deg 300deg,
        #c7ceea 300deg 360deg
    );
    box-shadow: var(--shadow-lg);
    transition: transform 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
    position: relative;
}

.wheel::before {
    content: '🎰';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.wheel-pointer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 30px solid var(--danger-color);
    z-index: 10;
}

.wheel.spinning {
    animation: spin 4s cubic-bezier(0.17, 0.67, 0.12, 0.99);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(1800deg); }
}

/* Ad section */
.ad-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
}

.ad-timer {
    font-size: 3rem;
    font-weight: 700;
    margin: 1rem 0;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.3rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-help {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

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

th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--text-primary);
}

tr:hover {
    background: var(--light-bg);
}

/* Status badges */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-approved {
    background: #d1fae5;
    color: #065f46;
}

.status-paid {
    background: #dbeafe;
    color: #1e40af;
}

.status-rejected {
    background: #fee2e2;
    color: #991b1b;
}

/* Toast notifications */
#toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1000;
}

.toast {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 0.5rem;
    min-width: 300px;
    animation: slideIn 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.toast.success {
    border-left-color: var(--secondary-color);
}

.toast.error {
    border-left-color: var(--danger-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast.removing {
    animation: slideOut 0.3s ease;
}

/* Auth pages */
.auth-container {
    max-width: 400px;
    margin: 3rem auto;
}

.auth-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.auth-title {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Footer */
.site-footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

.footer-content {
    color: var(--text-secondary);
}

.footer-note {
    margin: 0.5rem 0;
    font-size: 0.875rem;
}

.footer-links {
    margin-top: 1rem;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-nav {
        width: 100%;
        justify-content: space-around;
    }
    
    .user-info {
        width: 100%;
        justify-content: space-between;
    }
    
    .wheel-wrapper {
        width: 280px;
        height: 280px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    th, td {
        padding: 0.5rem;
    }
}

/* Hidden class */
.hidden {
    display: none !important;
}

/* Loading spinner */
.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin-loader 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin-loader {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}