/* 2026福品销全球(香港)报名系统样式 */
:root {
    --primary-color: #1a237e;     /* 深蓝 */
    --secondary-color: #ffd700;   /* 金色 */
    --accent-color: #2979ff;      /* 亮蓝 */
    --light-bg: #f5f5f5;          /* 浅灰背景 */
    --white: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #dddddd;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

/* 头部样式 */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #283593 100%);
    color: var(--white);
    padding: 30px;
    text-align: center;
    position: relative;
}

.header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.header h1 i {
    color: var(--secondary-color);
    font-size: 2.5rem;
}

.header h2 {
    font-size: 1.4rem;
    font-weight: 400;
    margin-bottom: 15px;
    opacity: 0.9;
}

.subtitle {
    font-size: 1.1rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.deadline-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--secondary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
}

/* 主面板 */
.main-panel {
    padding: 30px;
}

.form-container, .admin-container {
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
}

.form-container h3, .admin-container h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-description, .admin-description {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(41, 121, 255, 0.1);
}

.field-hint {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 5px;
    opacity: 0.8;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.checkbox-group, .radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 8px;
}

.checkbox-group label, .radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
    padding: 8px 12px;
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.checkbox-group label:hover, .radio-group label:hover {
    border-color: var(--accent-color);
    background: #f8faff;
}

.checkbox-group input[type="checkbox"], .radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

/* 按钮样式 */
.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #283593 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 35, 126, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

.actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.secondary-btn {
    flex: 1;
    padding: 12px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

/* 管理员样式 */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.filters {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-box input {
    padding-left: 45px;
}

.filter-buttons {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.data-table-container {
    background: var(--white);
    border-radius: var(--radius);
    overflow: auto;
    margin-bottom: 20px;
    max-height: 500px;
}

#admin-data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

#admin-data-table th {
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
}

#admin-data-table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border-color);
}

#admin-data-table tr:hover {
    background: #f8faff;
}

.admin-actions {
    display: flex;
    gap: 15px;
}

.action-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.export-btn {
    background: linear-gradient(135deg, #0f9d58 0%, #1b5e20 100%);
    color: var(--white);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 157, 88, 0.2);
}

.back-btn {
    background: var(--light-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.back-btn:hover {
    background: #e0e0e0;
}

/* 信息面板 */
.info-panel {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 20px;
    margin: 0 30px 30px;
    border-radius: var(--radius);
    border: 1px solid #c5e1a5;
}

.info-panel p {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.info-panel p:first-child {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 页脚 */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px;
    text-align: center;
}

.footer p {
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.copyright {
    opacity: 0.7;
    font-size: 0.85rem;
}

/* 模态框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--white);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px;
    border-radius: var(--radius) var(--radius) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    opacity: 0.8;
}

.modal-body {
    padding: 30px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .header h2 {
        font-size: 1.2rem;
    }
    
    .main-panel {
        padding: 20px;
    }
    
    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .actions, .admin-actions {
        flex-direction: column;
    }
    
    .info-panel {
        margin: 0 20px 20px;
    }
}

@media (max-width: 480px) {
    .admin-stats {
        grid-template-columns: 1fr;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
    }
}

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

.container {
    animation: fadeIn 0.5s ease-out;
}