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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    color: #fff;
}

header {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem 2rem;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    font-size: 1.8rem;
    color: #e8daef;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #5865F2;
}

.logout-btn, .back-btn {
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    transition: all 0.3s;
}

.logout-btn:hover, .back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-box h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.login-box p {
    color: #aaa;
    margin-bottom: 2rem;
}

.discord-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: #5865F2;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s;
}

.discord-btn:hover {
    background: #4752c4;
    transform: translateY(-2px);
}

.note {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #666;
}

.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background: #5865F2;
}

.admin-link {
    margin-left: auto;
    background: #f04747;
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
}

.admin-link:hover {
    background: #d92828;
}

.rooms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.room-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.room-card:hover {
    transform: translateY(-5px);
    border-color: #5865F2;
}

.room-card.occupied {
    opacity: 0.7;
}

.room-number {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #e8daef;
}

.room-status {
    margin-bottom: 0.5rem;
    min-height: 50px;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge.free {
    background: #43b581;
    color: #fff;
}

.badge.occupied {
    background: #f04747;
    color: #fff;
}

.reserved-by {
    font-size: 0.85rem;
    color: #ff6b6b;
    margin-top: 0.3rem;
}

.room-price {
    font-size: 1.2rem;
    color: #ffd700;
    margin-bottom: 1rem;
}

.reserve-btn {
    display: inline-block;
    background: #5865F2;
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s;
}

.reserve-btn:hover {
    background: #4752c4;
}

.reserve-form-container {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.reserve-form-container h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.price-info {
    text-align: center;
    color: #ffd700;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ccc;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    font-size: 1rem;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #5865F2;
}

.form-total {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.total-amount {
    color: #ffd700;
    font-weight: bold;
}

.error-message {
    background: rgba(240, 71, 71, 0.2);
    border: 1px solid #f04747;
    color: #ff6b6b;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.success-message {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(67, 181, 129, 0.2);
    border: 1px solid #43b581;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.success-message h2 {
    color: #43b581;
    margin-bottom: 1rem;
}

.submit-btn {
    width: 100%;
    background: #43b581;
    color: #fff;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: #3ba55c;
}

.btn {
    display: inline-block;
    background: #5865F2;
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 1rem;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.price-table th, .price-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.price-table input {
    width: 100px;
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .rooms-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .filter-bar {
        justify-content: center;
    }
}