/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    overflow: hidden;
    min-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

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

.header-actions button {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.header-actions button:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Toolbar Styles */
.toolbar {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    padding: 15px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.toolbar button,
.toolbar select {
    background: white;
    border: 1px solid #ddd;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    min-width: 40px;
}

.toolbar button:hover,
.toolbar select:hover {
    background: #f0f0f0;
    border-color: #999;
    transform: translateY(-1px);
}

.toolbar button.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
}

.toolbar .separator {
    width: 1px;
    height: 24px;
    background: #ddd;
    margin: 0 5px;
}

.color-input {
    width: 40px;
    height: 32px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    padding: 0;
}

/* Editor Styles */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.editor {
    flex: 1;
    padding: 30px;
    font-size: 16px;
    line-height: 1.6;
    border: none;
    outline: none;
    background: white;
    min-height: 400px;
    overflow-y: auto;
}

.editor:focus {
    background: #fafafa;
}

.editor p {
    margin-bottom: 1em;
}

.editor img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 10px 0;
}

.editor table {
    border-collapse: collapse;
    width: 100%;
    margin: 15px 0;
}

.editor table th,
.editor table td {
    border: 1px solid #ddd;
    padding: 8px 12px;
    text-align: left;
}

.editor table th {
    background: #f8f9fa;
    font-weight: 600;
}

/* Status Bar */
.status-bar {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #666;
}

.status-left {
    display: flex;
    gap: 20px;
}

.status-right {
    display: flex;
    gap: 15px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.status-item.clickable {
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.status-item.clickable:hover {
    background: #e9ecef;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    margin: auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 18px;
}

.close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.close:hover {
    background: #f0f0f0;
    color: #333;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}

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

.form-row .form-group {
    flex: 1;
}

/* Button Styles */
.btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102,126,234,0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.stat-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #dee2e6;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: #495057;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: #6c757d;
}

/* QR Code Styles */
.qr-preview {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    margin: 15px 0;
}

.qr-preview.empty {
    color: #6c757d;
    font-style: italic;
}

.qr-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

/* Notification */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #28a745;
    color: white;
    padding: 15px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1001;
    animation: slideInRight 0.3s ease-out;
}

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

/* Fullscreen Mode */
.container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    max-width: none;
    margin: 0;
    border-radius: 0;
    z-index: 999;
}

/* Pulse Animation */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 0.6s ease-in-out;
}

/* 查找替换样式 */
.search-highlight {
    background-color: #ffeb3b;
    padding: 1px 2px;
    border-radius: 2px;
}

.current-highlight {
    background-color: #ff9800;
    color: white;
    padding: 1px 2px;
    border-radius: 2px;
}

.find-replace-options {
    display: flex;
    gap: 15px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.find-replace-options label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    cursor: pointer;
}

.find-replace-options input[type="checkbox"] {
    margin: 0;
}

.search-results {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
    font-style: italic;
}

.find-replace-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.find-replace-buttons button {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.find-replace-buttons button:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

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

.find-replace-buttons .btn-success {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
}

.find-replace-buttons .btn-warning {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        margin: 10px;
        border-radius: 8px;
    }
    
    .header {
        padding: 10px;
        flex-direction: column;
        gap: 10px;
    }
    
    .toolbar {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .toolbar button,
    .toolbar select {
        min-width: auto;
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .editor {
        min-height: 300px;
        padding: 15px;
        font-size: 14px;
    }
    
    .status-bar {
        padding: 8px 15px;
        font-size: 12px;
    }
    
    .modal-content {
        margin: 20px;
        padding: 20px;
        max-height: calc(100vh - 40px);
    }
    
    .form-row {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .find-replace-options {
        flex-direction: column;
        gap: 10px;
    }
    
    .find-replace-buttons {
        flex-direction: column;
    }
    
    .find-replace-buttons button {
        width: 100%;
    }
}