/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* 头部 */
header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
}

/* 面板 */
.panel {
    background: white;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.panel h2 {
    margin-bottom: 20px;
    color: #667eea;
    font-size: 1.5em;
}

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

.panel-header h2 {
    margin-bottom: 0;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

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

.form-group small {
    display: block;
    margin-top: 5px;
    color: #999;
    font-size: 12px;
}

.form-row {
    display: flex;
    gap: 15px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

/* 单选框组 */
.radio-group {
    display: flex;
    gap: 15px;
    margin-top: 8px;
}

.radio-label {
    flex: 1;
    display: flex;
    align-items: flex-start;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.radio-label:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.radio-label input[type="radio"] {
    margin-right: 10px;
    margin-top: 2px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    color: #667eea;
    font-weight: 600;
}

.radio-label span {
    display: block;
    font-weight: 500;
    margin-bottom: 4px;
}

.radio-label small {
    display: block;
    color: #999;
    font-size: 12px;
    font-weight: normal;
}

@media (max-width: 768px) {
    .radio-group {
        flex-direction: column;
    }
}

/* 按钮 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    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-warning {
    background: #ffc107;
    color: #333;
}

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

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

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

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* 消息提示 */
.error-message {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

.error-message.show {
    display: block;
}

.success-message {
    color: #155724;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 12px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

.success-message.show {
    display: block;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #999;
    font-size: 16px;
}

/* 提醒卡片 */
.reminder-card {
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.reminder-card:hover {
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.1);
}

.reminder-card.disabled {
    opacity: 0.6;
    background: #f8f9fa;
}

.reminder-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
}

.reminder-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

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

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

.reminder-status.disabled {
    background: #f8d7da;
    color: #721c24;
}

.reminder-description {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.reminder-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
}

.info-item {
    display: flex;
    align-items: center;
    color: #666;
}

.info-item strong {
    color: #333;
    margin-right: 5px;
}

.reminder-link {
    color: #667eea;
    text-decoration: none;
    word-break: break-all;
}

.reminder-link:hover {
    text-decoration: underline;
}

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

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state-icon {
    font-size: 4em;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #666;
    margin-bottom: 10px;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: slideDown 0.3s;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #667eea;
}

.close {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #333;
}

.modal form {
    padding: 25px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* 检查结果 */
.check-result {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 15px;
    border-radius: 4px;
}

.check-result h4 {
    margin-bottom: 10px;
    color: #667eea;
}

.check-result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.stat-item {
    background: white;
    padding: 10px;
    border-radius: 6px;
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.stat-label {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

/* 响应式 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .panel {
        padding: 20px;
    }

    .reminder-actions {
        flex-direction: column;
    }

    .reminder-actions .btn {
        width: 100%;
    }
}