#tool-body {
  --ocr-primary: #4f46e5;
  --ocr-primary-hover: #4338ca;
  --ocr-primary-soft: #eef2ff;
  --ocr-bg: #f7f8fa;
  --ocr-card: #ffffff;
  --ocr-border: #e8eaf0;
  --ocr-text: #1f2430;
  --ocr-muted: #8a90a2;
  --ocr-ok: #15803d;
  --ocr-ok-bg: #ecfdf3;
  --ocr-wait: #b45309;
  --ocr-wait-bg: #fffbeb;
  --ocr-bad: #dc2626;
  --ocr-bad-bg: #fef2f2;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ocr-text);
}
.theme-dark-mode #tool-body {
  --ocr-primary: #818cf8;
  --ocr-primary-hover: #6366f1;
  --ocr-primary-soft: #26264a;
  --ocr-bg: #1a1d23;
  --ocr-card: #22242b;
  --ocr-border: #35383f;
  --ocr-text: #e8eaf0;
  --ocr-muted: #8a90a2;
  --ocr-ok: #6ee7a8;
  --ocr-ok-bg: #16301f;
  --ocr-wait: #fcd34d;
  --ocr-wait-bg: #33290f;
  --ocr-bad: #fca5a5;
  --ocr-bad-bg: #3a1d1d;
}
#tool-body .ocr-tool { max-width: 880px; margin: 0 auto; padding: 4px 0 24px; }

/* ---------- 按鈕 ---------- */
#tool-body .ocr-btn {
  appearance: none; border: 1px solid var(--ocr-border); background: var(--ocr-card);
  color: var(--ocr-text); border-radius: 10px; padding: 8px 16px; font-size: 13px;
  cursor: pointer; line-height: 1.4; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
#tool-body .ocr-btn:hover { border-color: var(--ocr-primary); color: var(--ocr-primary); }
#tool-body .ocr-btn-primary {
  background: var(--ocr-primary); border-color: var(--ocr-primary); color: #fff;
}
#tool-body .ocr-btn-primary:hover { background: var(--ocr-primary-hover); border-color: var(--ocr-primary-hover); color: #fff; }
#tool-body .ocr-btn:disabled { opacity: .5; cursor: not-allowed; }
#tool-body .ocr-btn svg { width: 14px; height: 14px; fill: currentColor; }
#tool-body .ocr-icon-btn {
  appearance: none; border: 1px solid var(--ocr-border); background: var(--ocr-card);
  color: var(--ocr-muted); border-radius: 8px; width: 30px; height: 30px;
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s;
}
#tool-body .ocr-icon-btn:hover { border-color: var(--ocr-primary); color: var(--ocr-primary); }
#tool-body .ocr-icon-btn svg { width: 15px; height: 15px; fill: currentColor; }

/* ---------- 拖放區 ---------- */
#tool-body .ocr-drop {
  border: 1.5px dashed var(--ocr-border); border-radius: 16px;
  background: var(--ocr-card);
  padding: 52px 24px 44px; text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s;
}
#tool-body .ocr-drop:hover, #tool-body .ocr-drop.is-over {
  border-color: var(--ocr-primary); background: var(--ocr-primary-soft);
}
#tool-body .ocr-drop.is-over { transform: scale(1.005); }
#tool-body .ocr-drop-icon { margin-bottom: 14px; color: var(--ocr-primary); }
#tool-body .ocr-drop-icon svg { width: 44px; height: 44px; fill: currentColor; }
#tool-body .ocr-drop-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
#tool-body .ocr-drop-sub { font-size: 13px; color: var(--ocr-muted); margin-bottom: 18px; }
#tool-body .ocr-drop-formats { margin-top: 16px; font-size: 12px; color: var(--ocr-muted); }
#tool-body .ocr-drop-formats em { font-style: normal; margin: 0 4px; }

/* ---------- 工作區 ---------- */
#tool-body .ocr-work { display: none; }
#tool-body .ocr-work.is-on { display: block; }
#tool-body .ocr-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 16px; align-items: stretch; }
@media (max-width: 768px) { #tool-body .ocr-grid { grid-template-columns: 1fr; } }
#tool-body .ocr-panel {
  min-width: 50%;
  background: var(--ocr-card); border: 1px solid var(--ocr-border);
  border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column;
}
#tool-body .ocr-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px; min-height: 30px;
}
#tool-body .ocr-panel-title { font-size: 13px; font-weight: 600; color: var(--ocr-muted); letter-spacing: .02em; }
#tool-body .ocr-head-actions { display: flex; gap: 6px; }

#tool-body .ocr-preview {
  border-radius: 10px; background: var(--ocr-bg); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 140px; max-height: 420px;
}
#tool-body .ocr-preview img { max-width: 100%; max-height: 420px; display: block; }
#tool-body .ocr-file-meta {
  margin-top: 10px; font-size: 12px; color: var(--ocr-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ---------- 狀態 pill ---------- */
#tool-body .ocr-pill {
  display: none; align-items: center; gap: 6px;
  font-size: 12px; padding: 4px 10px; border-radius: 999px; line-height: 1.4;
}
#tool-body .ocr-pill.is-on { display: inline-flex; }
#tool-body .ocr-pill.is-wait { color: var(--ocr-wait); background: var(--ocr-wait-bg); }
#tool-body .ocr-pill.is-ok { color: var(--ocr-ok); background: var(--ocr-ok-bg); }
#tool-body .ocr-pill.is-bad { color: var(--ocr-bad); background: var(--ocr-bad-bg); }
#tool-body .ocr-dot {
  width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none;
}
#tool-body .ocr-pill.is-wait .ocr-dot { animation: ocr-blink 1s ease-in-out infinite; }
@keyframes ocr-blink { 50% { opacity: .25; } }

/* ---------- 結果區 ---------- */
#tool-body .ocr-result-wrap { position: relative; flex: 1; display: flex; }
#tool-body textarea.ocr-result {
  width: 100%; flex: 1; min-height: 300px; box-sizing: border-box;
  border: 1px solid var(--ocr-border); border-radius: 10px;
  background: var(--ocr-bg); color: var(--ocr-text);
  padding: 12px 14px; font-size: 14px; line-height: 1.8;
  font-family: inherit; resize: vertical; transition: border-color .15s;
}
#tool-body textarea.ocr-result:focus { outline: none; border-color: var(--ocr-primary); background: var(--ocr-card); }
#tool-body textarea.ocr-result::placeholder { color: var(--ocr-muted); }
#tool-body .ocr-loading {
  position: absolute; inset: 0; border-radius: 10px;
  background: var(--ocr-bg);
  display: none; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 24px; text-align: center;
}
#tool-body .ocr-loading.is-on { display: flex; }
#tool-body .ocr-spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid var(--ocr-primary-soft); border-top-color: var(--ocr-primary);
  animation: ocr-rot .8s linear infinite;
}
@keyframes ocr-rot { to { transform: rotate(360deg); } }
#tool-body .ocr-loading-text { font-size: 13px; color: var(--ocr-muted); line-height: 1.7; }
#tool-body .ocr-loading-sub { font-size: 12px; color: var(--ocr-muted); opacity: .8; }

#tool-body .ocr-panel-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-top: 12px; flex-wrap: wrap;
}
#tool-body .ocr-meta { font-size: 12px; color: var(--ocr-muted); }
#tool-body .ocr-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 替換圖片浮層 ---------- */
#tool-body .ocr-tool { position: relative; }
#tool-body .ocr-drop-overlay {
  position: absolute; inset: 0; z-index: 10; display: none;
  align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--ocr-card) 82%, transparent);
  border: 2px dashed var(--ocr-primary); border-radius: 16px;
  pointer-events: none;
}
#tool-body .ocr-drop-overlay.is-on { display: flex; }
#tool-body .ocr-drop-overlay span {
  font-size: 14px; font-weight: 600; color: var(--ocr-primary);
  background: var(--ocr-card); border-radius: 999px; padding: 10px 22px;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}

/* ---------- 錯誤 + 備註 ---------- */
#tool-body .ocr-error {
  display: none; margin-top: 14px; padding: 12px 16px; border-radius: 10px;
  background: var(--ocr-bad-bg); color: var(--ocr-bad); font-size: 13px; line-height: 1.6;
  align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
#tool-body .ocr-error.is-on { display: flex; }
#tool-body .ocr-note {
  margin-top: 16px; text-align: center; font-size: 12px; color: var(--ocr-muted); line-height: 1.8;
}