/* ==================== 扫码工具样式 (移动端优先) ==================== */

.scanner-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    padding-top: var(--spacing-lg);
    min-height: calc(100vh - 80px);
}

.scanner-main {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ==================== 模式切换与选项 ==================== */
.scanner-controls {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.mode-switch {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.mode-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.mode-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
}

.scanner-options {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.option-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    user-select: none;
}

.option-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.toggle-label {
    font-weight: 500;
}

/* ==================== 摄像头区域 ==================== */
.camera-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.camera-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #111827;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.camera-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #6B7280;
    gap: var(--spacing-sm);
}

.camera-placeholder svg {
    opacity: 0.5;
}

.camera-placeholder p {
    font-size: 0.9rem;
    color: #9CA3AF;
}

#camera-video {
    display: none;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* html5-qrcode 容器样式覆盖 */
#html5-qrcode-container {
    width: 100%;
    height: 100%;
}

#html5-qrcode-container video {
    object-fit: cover !important;
    border-radius: var(--radius-md);
}

#html5-qrcode-container img {
    display: none;
}

/* 扫描引导框 */
.scan-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scan-region {
    position: relative;
    width: 65%;
    aspect-ratio: 1;
    max-width: 260px;
}

.scan-corner {
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: #60A5FA;
    border-style: solid;
    border-width: 0;
}

.scan-corner.tl { top: 0; left: 0; border-top-width: 3px; border-left-width: 3px; border-top-left-radius: 4px; }
.scan-corner.tr { top: 0; right: 0; border-top-width: 3px; border-right-width: 3px; border-top-right-radius: 4px; }
.scan-corner.bl { bottom: 0; left: 0; border-bottom-width: 3px; border-left-width: 3px; border-bottom-left-radius: 4px; }
.scan-corner.br { bottom: 0; right: 0; border-bottom-width: 3px; border-right-width: 3px; border-bottom-right-radius: 4px; }

.scan-line {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #60A5FA, transparent);
    animation: scanLine 2s linear infinite;
}

@keyframes scanLine {
    0% { top: 0; }
    100% { top: 100%; }
}

/* 操作按钮 */
.camera-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    justify-content: center;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
    min-width: 48px;
}

.action-btn:hover:not(:disabled) {
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.action-btn.primary {
    flex: 1;
    max-width: 280px;
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
}

.action-btn.primary:hover {
    background: var(--gradient-2);
}

.action-btn.primary.scanning {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
}

.action-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: transparent;
}

/* 图片识码 */
.image-fallback {
    margin-top: var(--spacing-sm);
    text-align: center;
}

.image-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.image-upload-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ==================== 最新结果提示 ==================== */
.latest-result {
    display: none;
    align-items: center;
    background: linear-gradient(135deg, #10B98122, #34D39922);
    border: 1px solid #10B981;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    animation: fadeSlideIn 0.3s ease;
}

.latest-result.fade-in {
    animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.latest-result-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    overflow: hidden;
}

.latest-badge {
    flex-shrink: 0;
    padding: 2px 8px;
    background: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.latest-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==================== 结果列表 ==================== */
.results-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.results-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.results-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.results-list {
    max-height: 400px;
    overflow-y: auto;
}

.results-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
    color: #9CA3AF;
    gap: var(--spacing-xs);
}

.results-empty svg {
    opacity: 0.3;
}

.results-empty p {
    font-size: 0.95rem;
    font-weight: 500;
}

.results-empty span {
    font-size: 0.8rem;
}

/* 单条结果 */
.result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
    border: 1px solid transparent;
}

.result-item:hover {
    background: #F9FAFB;
    border-color: var(--border-color);
}

.result-item.new {
    animation: slideIn 0.3s ease;
    background: linear-gradient(135deg, #EFF6FF, #F0F9FF);
    border-color: #BFDBFE;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.result-index {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F3F4F6;
    color: var(--text-secondary);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.result-body {
    flex: 1;
    min-width: 0;
}

.result-top {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.result-type-badge {
    flex-shrink: 0;
    padding: 1px 6px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.result-content {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-bottom {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.result-time {
    font-size: 0.75rem;
    color: var(--text-light);
}

.result-copy {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 3px;
    transition: var(--transition);
}

.result-copy:hover {
    color: var(--primary-color);
    background: #EFF6FF;
}

.result-delete {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
}

.result-delete:hover {
    color: var(--error-color);
    background: #FEF2F2;
}

/* ==================== 底部操作栏 ==================== */
.bottom-bar {
    position: sticky;
    bottom: 0;
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
    z-index: 100;
}

.bottom-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

.bottom-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.bottom-btn.export {
    background: var(--gradient-1);
    color: white;
}

.bottom-btn.export:hover:not(:disabled) {
    background: var(--gradient-2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.bottom-btn.clear {
    background: white;
    color: var(--error-color);
    border: 2px solid var(--error-color);
}

.bottom-btn.clear:hover:not(:disabled) {
    background: var(--error-color);
    color: white;
}

/* ==================== Toast 提示 ==================== */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 8px 20px;
    background: rgba(17, 24, 39, 0.9);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ==================== 桌面端适配 ==================== */
@media (min-width: 768px) {
    .scanner-container {
        padding-top: var(--spacing-xl);
    }

    .camera-wrapper {
        aspect-ratio: 16 / 9;
    }

    .scanner-controls {
        padding: var(--spacing-lg);
    }

    .mode-btn {
        padding: 12px 24px;
    }

    .results-list {
        max-height: 500px;
    }

    .bottom-bar {
        max-width: 600px;
        margin: 0 auto;
    }
}

/* 小屏幕优化 */
@media (max-width: 400px) {
    .scanner-container {
        padding: var(--spacing-xs);
    }

    .mode-btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .camera-actions {
        flex-wrap: wrap;
    }

    .action-btn.primary {
        flex: 1 1 100%;
    }
}