*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f1f5f9;--header-bg: #ffffff;--header-border: #e2e8f0;--accent: #3b82f6;--accent-hover: #2563eb;--text: #1e293b;--text-muted: #64748b;--panel-bg: #ffffff;--panel-border: #e2e8f0;--image-bg: #0f172a;--error: #ef4444}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-header{display:flex;align-items:center;gap:12px;padding:10px 24px;background:var(--header-bg);border-bottom:1px solid var(--header-border);flex-shrink:0;z-index:10}.app-logo{font-size:1.4rem}.app-title{font-size:1.1rem;font-weight:700;flex:1;letter-spacing:-.01em}.app-main{flex:1;overflow:hidden;display:flex}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;border:none;transition:background .12s,opacity .12s;white-space:nowrap;text-decoration:none}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--header-border)}.btn-secondary:hover{background:var(--bg)}.drop-zone{flex:1;display:flex;align-items:center;justify-content:center;padding:40px}.drop-zone-inner{display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 48px;border:2px dashed var(--panel-border);border-radius:16px;background:var(--panel-bg);text-align:center;max-width:420px;width:100%}.drop-zone-inner.drag-over{border-color:var(--accent);background:#eff6ff}.drop-icon{width:52px;height:52px;color:var(--text-muted)}.drop-text{font-size:1.05rem;font-weight:600;color:var(--text)}.drop-sub{font-size:.85rem;color:var(--text-muted)}.workspace{flex:1;display:flex;overflow:hidden}.image-pane{flex:1;display:flex;overflow:hidden;background:var(--image-bg)}.result-pane{width:360px;flex-shrink:0;background:var(--panel-bg);border-left:1px solid var(--panel-border);overflow-y:auto;display:flex;flex-direction:column}.iv-root{flex:1;display:flex;flex-direction:column;overflow:hidden}.iv-container{flex:1;position:relative;overflow:hidden}.iv-container.iv-mode-select{cursor:crosshair}.iv-container.iv-mode-pan{cursor:grab}.iv-container.iv-mode-pan:active{cursor:grabbing}.iv-container.iv-disabled{cursor:wait}.iv-layer{position:absolute;top:0;left:0;will-change:transform}.iv-img{display:block;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.iv-selection{position:absolute;border:2px solid var(--accent);background:#3b82f61a;box-shadow:0 0 0 1px #3b82f64d inset;pointer-events:none}.iv-toolbar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:#1e293b;border-top:1px solid rgba(255,255,255,.08);flex-shrink:0}.iv-mode-btns{display:flex;gap:4px}.btn-sm{padding:5px 12px;font-size:.8rem;border-radius:6px;background:#ffffff14;color:#94a3b8;border:1px solid rgba(255,255,255,.1)}.btn-sm:hover:not(:disabled){background:#ffffff24;color:#e2e8f0}.btn-sm.active{background:var(--accent);color:#fff;border-color:transparent}.iv-zoom-label{font-size:.75rem;color:#64748b;min-width:3.5rem;text-align:center;font-variant-numeric:tabular-nums}.iv-hint{flex:1;font-size:.75rem;color:#475569}.result-panel{padding:20px;display:flex;flex-direction:column;gap:20px}.crop-preview{display:flex;flex-direction:column;gap:8px}.crop-preview-img{width:100%;border-radius:6px;border:1px solid var(--panel-border);background:#f8fafc;display:block}.result-placeholder{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-muted);font-size:.875rem;line-height:1.6;min-height:120px}.result-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:80px;color:var(--text-muted);font-size:.875rem}.spinner{width:32px;height:32px;border:3px solid var(--panel-border);border-top-color:var(--accent);border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-error{display:flex;flex-direction:column;gap:8px;padding-top:8px}.error-title{font-weight:700;color:var(--error);font-size:1rem}.error-msg{font-size:.875rem;color:var(--text-muted);line-height:1.5}.result-success{display:flex;flex-direction:column;gap:28px}.result-section{display:flex;flex-direction:column;gap:10px}.result-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--text-muted)}.result-text{font-size:.9rem;line-height:1.65;color:var(--text);white-space:pre-wrap}.result-translation{font-size:1rem;font-weight:500;color:#1e40af;background:#eff6ff;border-radius:8px;padding:12px 14px;line-height:1.7}@media(max-width:768px){.workspace{flex-direction:column}.result-pane{width:100%;border-left:none;border-top:1px solid var(--panel-border);max-height:40vh}.image-pane{padding:12px}}