/* 扫描全能王 Web 版 - 样式表 */

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

:root {
    --primary-color: #4a90e2;
    --success-color: #5cb85c;
    --danger-color: #d9534f;
    --warning-color: #f0ad4e;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-700: #495057;
    --gray-900: #212529;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--gray-900);
}

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

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

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

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

/* 主区域 */
main {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 40px;
    min-height: 500px;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* 上传区域 */
.upload-area {
    border: 3px dashed var(--gray-300);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--gray-100);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(74, 144, 226, 0.1);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.upload-area h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--gray-700);
}

.upload-area p {
    color: var(--gray-700);
    margin-bottom: 20px;
}

/* 图片容器 */
.image-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.image-wrapper {
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    padding: 15px;
    background: var(--gray-100);
}

.image-wrapper h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--gray-700);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 4px;
    background: white;
}

/* 控制面板 */
.controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.control-group {
    background: var(--gray-100);
    padding: 20px;
    border-radius: 8px;
}

.control-group h4 {
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: 12px;
    font-weight: 600;
}

/* 按钮 */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background: #3a7bc8;
}

.btn-secondary {
    background: var(--gray-700);
    color: white;
}

.btn-secondary:hover {
    background: #343a40;
}

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

.btn-success:hover {
    background: #4cae4c;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.9rem;
}

.btn-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

/* OCR结果 */
.ocr-result {
    background: var(--gray-100);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.ocr-result h3 {
    margin-bottom: 15px;
}

.ocr-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding: 10px;
    background: white;
    border-radius: 4px;
}

.ocr-stats span {
    color: var(--gray-700);
}

.ocr-stats strong {
    color: var(--primary-color);
}

#ocr-text {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    resize: vertical;
}

/* 操作栏 */
.action-bar {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-300);
}

/* 加载提示 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading p {
    color: white;
    margin-top: 20px;
    font-size: 1.1rem;
}

/* 提示消息 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    background: var(--gray-900);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 10000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

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

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

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

/* 响应式 */
@media (max-width: 768px) {
    .image-container {
        grid-template-columns: 1fr;
    }

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

    .btn-group {
        grid-template-columns: 1fr;
    }

    main {
        padding: 20px;
    }

    header h1 {
        font-size: 2rem;
    }
}