* {
    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;
    padding: 20px;
}

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

/* Login */
.login-box {
    background: white;
    border-radius: 10px;
    padding: 40px;
    max-width: 400px;
    margin: 100px auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-box h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 30px;
}

/* Header */
header {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header h1 {
    color: #667eea;
}

.header-actions {
    display: flex;
    gap: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e8ed;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

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

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

.form-container {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* Buttons */
button, .btn-primary, .btn-secondary, .btn-danger {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

button[type="submit"], .btn-primary {
    background: #667eea;
    color: white;
    width: 100%;
}

button[type="submit"]:hover, .btn-primary:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

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

/* Raffles Grid */
.raffles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.raffle-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.raffle-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.raffle-card img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.raffle-card h3 {
    color: #333;
    font-size: 16px;
    margin-bottom: 10px;
}

.raffle-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
    color: #666;
}

.raffle-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-won {
    background: #fff3cd;
    color: #856404;
}

.winner-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #e1e8ed;
}

.winner-info img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

/* Loading & Error */
.loading {
    text-align: center;
    padding: 40px;
    color: white;
    font-size: 18px;
}

.error {
    color: #dc3545;
    margin-top: 10px;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
}