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

:root {
    --primary-color: #4a90e2;
    --primary-hover: #357abd;
    --success-color: #28a745;
    --success-hover: #218838;
    --secondary-color: #6c757d;
    --secondary-hover: #5a6268;
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --warning-color: #ffc107;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --border-color: #e1e8ed;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header Styles */
.header {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.header-title h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Button Styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-icon {
    width: 18px;
    height: 18px;
}

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

.btn-primary:not(:disabled):hover {
    background: var(--primary-hover);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:not(:disabled):hover {
    background: var(--success-hover);
}

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

.btn-secondary:not(:disabled):hover {
    background: var(--secondary-hover);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:not(:disabled):hover {
    background: var(--danger-hover);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.upload-section,
.config-section,
.action-section,
.result-section {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-color);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.05);
    box-shadow: var(--shadow-hover);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.upload-placeholder p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.upload-placeholder .hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* File Info */
.file-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-top: 15px;
}

.file-details {
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Config Section */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.config-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-item label {
    font-weight: 500;
    color: var(--text-primary);
}

.config-item select {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    cursor: pointer;
}

.config-item select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.auto-match-info {
    margin-top: 15px;
    padding: 12px;
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
}

.auto-match-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Button Group */
.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Result Section */
.result-info {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
}

.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
}

.result-table th,
.result-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.result-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
}

.result-table tr:hover {
    background: rgba(74, 144, 226, 0.05);
}

.result-table tr.success {
    background: rgba(40, 167, 69, 0.1);
}

.result-table tr.error {
    background: rgba(220, 53, 69, 0.1);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-success {
    background: rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.status-error {
    background: rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: white;
    opacity: 0.9;
}

/* ==================== 规则管理页面样式 ==================== */

/* Rule Manager Page */
.rule-manager-page {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 20px;
}

.rule-manager-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.rule-manager-header h2 {
    margin: 0;
    padding: 0;
    border: none;
}

/* Rule Type Selector */
.rule-type-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.rule-type-selector label {
    font-weight: 500;
    color: var(--text-primary);
}

.rule-type-selector select {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background: white;
    min-width: 200px;
    cursor: pointer;
}

.rule-type-selector select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Rule List Container */
.rule-list-container {
    background: var(--bg-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
}

.rule-table {
    width: 100%;
    border-collapse: collapse;
}

.rule-table th,
.rule-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.rule-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.rule-table tr:hover {
    background: rgba(74, 144, 226, 0.1);
}

.rule-table td:last-child {
    display: flex;
    gap: 8px;
}

/* Rule Stats */
.rule-stats {
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.rule-stats strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

/* ==================== 模态框样式 ==================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
    animation: modalSlideIn 0.3s ease;
}

.modal-small {
    max-width: 400px;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group input.error {
    border-color: var(--danger-color);
}

.required {
    color: var(--danger-color);
}

.error-message {
    display: block;
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 5px;
    min-height: 20px;
}

/* Confirm Modal */
.confirm-message {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.confirm-rule-name {
    font-weight: 600;
    color: var(--danger-color);
    padding: 10px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 4px;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== Toast 消息提示 ==================== */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-hover);
    animation: toastSlideIn 0.3s ease;
    min-width: 250px;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--danger-color);
}

.toast.warning {
    background: var(--warning-color);
    color: var(--text-primary);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 1.2rem;
    margin-left: auto;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.toast-close:hover {
    opacity: 1;
}

/* ==================== 响应式设计 ==================== */

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .header {
        padding: 20px;
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-title h1 {
        font-size: 1.5rem;
    }

    .upload-section,
    .config-section,
    .action-section,
    .result-section,
    .rule-manager-page {
        padding: 15px;
    }

    .config-grid {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .result-table,
    .rule-table {
        font-size: 0.875rem;
    }

    .result-table th,
    .result-table td,
    .rule-table th,
    .rule-table td {
        padding: 8px 10px;
    }

    .rule-type-selector {
        flex-direction: column;
        align-items: stretch;
    }

    .rule-type-selector select {
        width: 100%;
    }

    .rule-manager-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .modal-content {
        margin: 10px;
        max-height: calc(100vh - 20px);
    }

    .toast-container {
        left: 10px;
        right: 10px;
        top: 10px;
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .header-title h1 {
        font-size: 1.25rem;
    }

    .subtitle {
        font-size: 0.875rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    .rule-table td:last-child {
        flex-direction: column;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }
}