/* Tool pages share the site's header, palette, type and focus styles. */
.hotai-tool-page { color-scheme: light; }
.tool-workspace { padding: 28px 0 56px; }
.tool-page-heading { padding: 28px 34px 30px; margin-bottom: 20px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(120deg, #fff, #ECFAF4); box-shadow: var(--shadow); }
.tool-page-heading .back-link { display: inline-block; margin-bottom: 25px; color: var(--deep); font-size: 12px; font-weight: 750; }
.tool-page-heading h1 { margin: 12px 0; font-size: clamp(28px, 4.2vw, 42px); line-height: 1.2; letter-spacing: -.05em; }
.tool-page-heading p { margin: 0; max-width: 620px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.tool-work-panel { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: var(--shadow); }
.tool-upload-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 28px; }
.tool-preview-illustration { display: block; width: 100%; height: auto; aspect-ratio: 5 / 2; border-radius: 18px; object-fit: cover; }
.tool-drop { display: grid; place-items: center; min-height: 180px; padding: 24px; border: 2px dashed #B2DFCB; border-radius: 20px; color: var(--deep); background: #F5FCF8; cursor: pointer; text-align: center; }
.tool-drop:hover, .tool-drop.dragging { border-color: var(--mint); background: #ECFAF2; }
.tool-drop strong { display: block; font-size: 17px; }
.tool-drop small { display: block; margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.tool-file-input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.tool-drop:has(+ .tool-file-input:focus-visible) { outline: 3px solid var(--mint); outline-offset: 3px; }
.tool-selected { margin: 18px 0; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.tool-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.tool-language { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
.tool-language select { min-height: 44px; padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; background: white; color: var(--ink); font: inherit; }
.tool-work-panel button { cursor: pointer; border: 0; font: inherit; font-weight: 750; }
.tool-work-panel button:disabled { opacity: .45; cursor: not-allowed; }
.tool-status { min-height: 22px; margin: 20px 0 8px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.tool-work-panel progress { width: 100%; height: 8px; accent-color: var(--mint); }
.tool-result-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin: 28px 0 14px; }
.tool-result-head h2 { margin: 0; font-size: 20px; }
.tool-work-panel .secondary-button { border: 1px solid var(--line); }
.tool-result { display: block; width: 100%; min-height: 240px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #FBFEFC; color: var(--ink); font: 14px/1.8 var(--font); resize: vertical; }
.tool-runtime-note { margin: 18px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
@media (max-width: 640px) {
  .tool-workspace { padding-top: 14px; }
  .tool-page-heading { padding: 24px; border-radius: 20px; }
  .tool-page-heading p { font-size: 13px; }
  .tool-work-panel { padding: 20px; border-radius: 20px; }
  .tool-upload-grid { grid-template-columns: 1fr; gap: 20px; }
  .tool-controls { align-items: stretch; flex-direction: column; }
  .tool-controls .primary-button { min-height: 44px; }
}