* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

/* Container */
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Form Card */
.form-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
}

.form-card h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 10px;
    font-size: 32px;
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    padding: 12px 30px;
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
}

/* Scratch Card */
.scratch-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

.scratch-container h1 {
    color: #667eea;
    margin-bottom: 10px;
}

.scratch-card-wrapper {
    position: relative;
    margin: 30px auto;
    width: 400px;
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
}

#scratchCanvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
    z-index: 10;
    transition: opacity 0.5s;
    border-radius: 15px;
}

.prize-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
    padding: 20px;
    border-radius: 15px;
}

.prize-content h2 {
    color: white;
    margin-bottom: 15px;
    font-size: 24px;
}

.prize-name {
    font-size: 28px;
    font-weight: bold;
    color: white;
    margin-bottom: 10px;
}

.prize-desc {
    color: #f0f0f0;
    font-size: 16px;
    margin-bottom: 15px;
}

.prize-note {
    color: #fff;
    font-size: 14px;
    background: rgba(0, 0, 0, 0.3);
    padding: 10px 20px;
    border-radius: 20px;
    margin-top: 10px;
}

/* Admin Panel */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
    background: #f5f5f5;
}

.admin-sidebar {
    width: 260px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 30px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-header h2 {
    font-size: 24px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 14px;
    opacity: 0.8;
}

.sidebar-nav {
    margin-top: 30px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 30px;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
    gap: 12px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-item span {
    font-size: 20px;
}

.admin-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.admin-header h1 {
    color: #333;
    font-size: 32px;
}

.search-box {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    min-width: 300px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
    color: #666;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: #667eea;
}

/* Card */
.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.card h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

/* Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.data-table th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #333;
    border-bottom: 2px solid #e0e0e0;
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.data-table tbody tr:hover {
    background: #f8f9fa;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-secondary {
    background: #e2e3e5;
    color: #383d41;
}

/* Action Buttons */
.btn-action {
    padding: 8px 16px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    display: inline-block;
    margin-right: 5px;
}

.btn-action:hover {
    background: #5568d3;
}

.btn-success {
    background: #28a745;
}

.btn-success:hover {
    background: #218838;
}

.btn-warning {
    background: #ffc107;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-danger {
    background: #dc3545;
}

.btn-danger:hover {
    background: #c82333;
}

/* Messages */
.success-msg,
.error-msg {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.success-msg {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-msg {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .admin-content {
        margin-left: 0;
    }
    
    .scratch-card-wrapper {
        width: 100%;
        max-width: 400px;
    }
    
    #scratchCanvas {
        width: 100%;
        height: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}