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

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

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

/* 導航欄 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin: 20px 0;
    padding: 20px 30px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.nav-brand i {
    font-size: 2rem;
    color: #ffd700;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-2px);
}

/* 區域樣式 */
.section {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.section.active {
    display: block;
}

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

.section-header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

.section-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.section-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 評價容器 */
.reviews-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.review-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ffd700, #ff6b6b, #4ecdc4);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
}

.review-info h3 {
    color: #333;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.review-date {
    color: #666;
    font-size: 0.9rem;
}

.review-content {
    line-height: 1.6;
    color: #555;
    font-size: 1rem;
}

.review-stars {
    display: flex;
    gap: 5px;
    margin-top: 15px;
}

.star {
    color: #ffd700;
    font-size: 1.2rem;
}

/* 表單樣式 */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group label i {
    color: #667eea;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 管理後台樣式 */
.admin-panel {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e1e5e9;
}

.admin-header h2 {
    color: #333;
    font-size: 1.8rem;
}

.logout-btn {
    padding: 10px 20px;
    background: #ff6b6b;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logout-btn:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

.admin-review-card {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.admin-review-card.pending {
    border-left-color: #ffa726;
    background: #fff8e1;
}

.admin-review-card.approved {
    border-left-color: #66bb6a;
    background: #e8f5e8;
}

.admin-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.admin-review-info {
    display: flex;
    gap: 20px;
    align-items: center;
}

.admin-review-status {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-pending {
    background: #ffa726;
    color: white;
}

.status-approved {
    background: #66bb6a;
    color: white;
}

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

.action-btn {
    padding: 8px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.approve-btn {
    background: #66bb6a;
    color: white;
}

.approve-btn:hover {
    background: #5cb85c;
}

.unapprove-btn {
    background: #ffa726;
    color: white;
}

.unapprove-btn:hover {
    background: #ff9800;
}

.delete-btn {
    background: #ff6b6b;
    color: white;
}

.delete-btn:hover {
    background: #ff5252;
}

/* 載入動畫 */
.loading {
    text-align: center;
    padding: 40px;
    color: white;
    font-size: 1.1rem;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

/* 通知訊息 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(400px);
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: #66bb6a;
}

.notification.error {
    background: #ff6b6b;
}

.notification.info {
    background: #42a5f5;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .section-header h1 {
        font-size: 2rem;
    }
    
    .reviews-container {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        margin: 0 10px;
        padding: 30px 20px;
    }
    
    .admin-review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .admin-review-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* 空狀態 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: white;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    opacity: 0.8;
}