.ocr-tool-wrapper { --p-bg: #ffffff; --p-border: #e2e8f0; --p-primary: #f59e0b; --p-text: #0f172a; width: 100%; max-width: 1400px; margin: 0 auto; background: var(--p-bg); border-radius: 20px; padding: 24px; border: 1px solid var(--p-border); box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); box-sizing: border-box; }
.ocr-header-main { font-size: 1.6rem; font-weight: 800; color: var(--p-text); margin-bottom: 8px; text-align: center; }
.ocr-subtitle { color: #64748b; font-size: 0.95rem; padding-bottom: 20px; border-bottom: 1px solid var(--p-border); margin-bottom: 24px; text-align: center; max-width: 800px; margin-left: auto; margin-right: auto; line-height: 1.6; }

.ocr-layout { display: flex; flex-direction: column; gap: 24px; }

/* 核心：第一排的左右双屏视窗 */
.ocr-workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media(max-width: 1000px) { .ocr-workspace { grid-template-columns: 1fr; } }

/* 面板通用 */
.ocr-panel { display: flex; flex-direction: column; background: #f8fafc; border: 1px solid var(--p-border); border-radius: 16px; overflow: hidden; }
.ocr-panel-title { font-size: 1.05rem; font-weight: 700; color: #334155; padding: 14px 20px; border-bottom: 1px solid var(--p-border); background: #ffffff; margin: 0; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.ocr-panel-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

/* 工具栏与按钮 */
.ocr-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ocr-zoom-control { display: flex; align-items: center; gap: 6px; background: #f1f5f9; padding: 4px 10px; border-radius: 8px; border: 1px solid #cbd5e1; }
.ocr-zoom-control .ocr-range { margin: 0; }

.ocr-btn-sm { padding: 6px 12px; font-size: 0.85rem; border-radius: 6px; cursor: pointer; transition: 0.2s; font-weight: 600; display: inline-flex; align-items: center; justify-content: center; }
.ocr-btn-outline { background: #ffffff; border: 1px solid #cbd5e1; color: #475569; }
.ocr-btn-outline:hover { background: #f1f5f9; color: var(--p-text); border-color: #94a3b8; }
.ocr-btn-primary { background: var(--p-primary); border: 1px solid var(--p-primary); color: #ffffff; }
.ocr-btn-primary:hover { filter: brightness(1.1); }

/* 模式切换按钮组 */
.ocr-btn-group { display: flex; background: #f1f5f9; border-radius: 6px; padding: 2px; border: 1px solid #cbd5e1; }
.ocr-btn-mode { padding: 4px 10px; border: none; background: transparent; border-radius: 4px; cursor: pointer; transition: 0.2s; filter: grayscale(1); }
.ocr-btn-mode.active { background: #ffffff; filter: grayscale(0); box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

/* 双视窗高度锁定 */
.ocr-file-upload-container { width: 100%; height: 450px; background: #ffffff; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; transition: 0.2s; }
.ocr-file-upload-container.has-image { background: #f8fafc; align-items: flex-start; justify-content: flex-start; }

.ocr-upload-content { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; height: 100%; cursor: pointer; color: #64748b; font-weight: 600; transition: background 0.2s; }
.ocr-upload-content:hover { background: #fffbeb; }

/* 裁剪区域背景 (Cropper接管) */
.ocr-image-viewer { 
    width: 100%; height: 450px; overflow: hidden; display: block; position: relative;
    background-color: #f1f5f9;
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 20px 20px;
}
.ocr-image-preview { display: block; max-width: 100%; } /* Cropper 所需的基础样式 */

/* 画板滚动条美化 */
.ocr-match-canvas::-webkit-scrollbar { width: 8px; height: 8px; }
.ocr-match-canvas::-webkit-scrollbar-track { background: transparent; }
.ocr-match-canvas::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.ocr-match-canvas::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* 进度条 */
.ocr-engine-status { padding: 16px 24px; background: #fffbeb; border-radius: 12px; border: 1px solid #fcd34d; }
.ocr-status-text { font-size: 0.85rem; font-weight: 600; color: #b45309; margin-bottom: 8px; display: flex; justify-content: space-between; }
.ocr-progress-bar { width: 100%; height: 8px; background: #fde68a; border-radius: 4px; overflow: hidden; }
.ocr-progress-inner { width: 0%; height: 100%; background: #f59e0b; transition: width 0.1s linear; }

/* 右侧比对画板 (强制限制高度) */
.ocr-match-canvas { width: 100%; height: 450px; overflow: auto; padding: 32px; background: #ffffff; display: flex; align-items: center; justify-content: center; text-align: center; word-break: break-word; overflow-wrap: break-word; white-space: pre-wrap; color: #0f172a; transition: all 0.3s ease; box-sizing: border-box; }

/* ================= 核心更新：单行四列表单 ================= */
.ocr-controls-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: end; }
@media(max-width: 800px) { .ocr-controls-row { grid-template-columns: 1fr 1fr; } }
@media(max-width: 480px) { .ocr-controls-row { grid-template-columns: 1fr; } }

.ocr-form-group { display: flex; flex-direction: column; }
.ocr-label { font-size: 0.85rem; font-weight: 600; color: #64748b; margin-bottom: 8px; }
.ocr-val-badge { background: #f1f5f9; border: 1px solid #cbd5e1; padding: 2px 8px; border-radius: 12px; font-size: 0.75rem; font-family: monospace; color: var(--p-primary); font-weight: bold; }

.ocr-select, .ocr-textarea { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid #cbd5e1; background: #ffffff; color: var(--p-text); font-size: 0.95rem; outline: none; transition: 0.2s; box-sizing: border-box; }
.ocr-textarea { resize: vertical; font-family: inherit; line-height: 1.5; }
.ocr-select:focus, .ocr-textarea:focus { border-color: var(--p-primary); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15); }

.ocr-range { -webkit-appearance: none; width: 100%; height: 6px; background: #e2e8f0; border-radius: 3px; outline: none; margin: 10px 0; }
.ocr-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--p-primary); cursor: pointer; transition: 0.2s; }
.ocr-range::-webkit-slider-thumb:hover { transform: scale(1.15); }


/* 黑夜模式 */
[data-theme="dark"] .ocr-tool-wrapper { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .ocr-header-main, [data-theme="dark"] .ocr-panel-title { color: #f8fafc; }
[data-theme="dark"] .ocr-panel { background: #0f172a; border-color: #475569; }
[data-theme="dark"] .ocr-panel-title { background: #1e293b; border-bottom-color: #475569; }
[data-theme="dark"] .ocr-label, [data-theme="dark"] .ocr-status-text { color: #cbd5e1; }
[data-theme="dark"] .ocr-select, [data-theme="dark"] .ocr-textarea { background: #020617; border-color: #475569; color: #f8fafc; }
[data-theme="dark"] .ocr-file-upload-container { background: #1e293b; border-color: #475569; }
[data-theme="dark"] .ocr-file-upload-container.has-image { background: #020617; border-color: #334155; }
[data-theme="dark"] .ocr-upload-content:hover { background: rgba(245,158,11,0.1); }
[data-theme="dark"] .ocr-engine-status { background: rgba(245,158,11,0.1); border-color: #b45309; }
[data-theme="dark"] .ocr-progress-bar, [data-theme="dark"] .ocr-range { background: #334155; }
[data-theme="dark"] .ocr-match-canvas { background: #020617; color: #f8fafc; border-color: #475569; }
[data-theme="dark"] .ocr-zoom-control { background: #0f172a; border-color: #475569; }
[data-theme="dark"] .ocr-btn-outline { background: #1e293b; border-color: #475569; color: #cbd5e1; }
[data-theme="dark"] .ocr-btn-outline:hover { background: #334155; color: #f8fafc; }
[data-theme="dark"] .ocr-btn-group { background: #0f172a; border-color: #475569; }
[data-theme="dark"] .ocr-btn-mode.active { background: #334155; }
[data-theme="dark"] .ocr-image-viewer { background-color: #0f172a; background-image: radial-gradient(#334155 1px, transparent 1px); }
[data-theme="dark"] .ocr-match-canvas::-webkit-scrollbar-thumb { background: #475569; }
[data-theme="dark"] .ocr-val-badge { background: #1e293b; border-color: #475569; }

/* 覆盖 Cropper.js 的默认高亮色，匹配我们的主题 */
.cropper-view-box, .cropper-face { outline-color: var(--p-primary); }
.cropper-line { background-color: var(--p-primary); }
.cropper-point { background-color: var(--p-primary); }