/*!
 * dxf-doctor.css
 * -----------------------------------------------------------------------
 * Styles for the DXF Doctor tool panel (dxf-doctor-ui.js). Matches the
 * existing dxfstudio.com look: light theme, rounded cards, soft shadows,
 * Inter font stack. Accent uses the cobalt #2563eb requested for this
 * tool; site-wide pages use a close sibling cobalt (#1A4FBF) — both read
 * as the same "cobalt/blue" family so the tool feels native to the site.
 * Fully responsive down to narrow mobile widths.
 * -----------------------------------------------------------------------
 */

.dxfdoc-root {
  --dxfdoc-cobalt: #1A4FBF;
  --dxfdoc-cobalt-d: #123a8f;
  --dxfdoc-cobalt-soft: #eaf0fd;
  --dxfdoc-cobalt-line: #d4e0fb;
  --dxfdoc-ink: #0d1426;
  --dxfdoc-slate: #5b6678;
  --dxfdoc-line: #dce3f0;
  --dxfdoc-bg: #f6f8fc;
  --dxfdoc-card: #ffffff;
  --dxfdoc-ok: #1f9d57;
  --dxfdoc-warn: #b45309;
  --dxfdoc-fail: #dc2626;
  --dxfdoc-radius: 14px;
  --dxfdoc-radius-sm: 9px;
  --dxfdoc-shadow: 0 12px 32px -16px rgba(13, 20, 38, 0.18);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--dxfdoc-ink);
  box-sizing: border-box;
}
.dxfdoc-root, .dxfdoc-root * , .dxfdoc-root *::before, .dxfdoc-root *::after {
  box-sizing: border-box;
}
.dxfdoc-hidden { display: none !important; }

/* ---- Drop zone --------------------------------------------------- */
.dxfdoc-drop {
  background: var(--dxfdoc-card);
  border: 2px dashed var(--dxfdoc-line);
  border-radius: var(--dxfdoc-radius);
  padding: 44px 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .1s;
}
.dxfdoc-drop:hover { border-color: var(--dxfdoc-cobalt-line); background: #fbfcff; }
.dxfdoc-drop:focus-visible { outline: 2px solid var(--dxfdoc-cobalt); outline-offset: 3px; }
.dxfdoc-drop.dxfdoc-drag-over {
  border-color: var(--dxfdoc-cobalt);
  background: var(--dxfdoc-cobalt-soft);
  transform: scale(1.005);
}
.dxfdoc-drop-icon {
  width: 56px; height: 56px; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 16px; background: var(--dxfdoc-cobalt-soft); color: var(--dxfdoc-cobalt);
  font-size: 1.6rem; font-weight: 700;
}
.dxfdoc-drop h3 { margin: 0 0 6px; font-size: 1.2rem; letter-spacing: -0.01em; }
.dxfdoc-drop p { margin: 0 0 18px; color: var(--dxfdoc-slate); font-size: 0.92rem; max-width: 46ch; margin-left: auto; margin-right: auto; }
.dxfdoc-hidden-input { display: none; }

/* ---- Buttons ------------------------------------------------------ */
.dxfdoc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 0.92rem;
  padding: 10px 20px; border-radius: 9px; border: none; cursor: pointer;
  transition: background .15s, transform .1s, color .15s, border-color .15s;
}
.dxfdoc-btn-primary { background: var(--dxfdoc-cobalt); color: #fff; box-shadow: 0 8px 20px -10px var(--dxfdoc-cobalt); }
.dxfdoc-btn-primary:hover { background: var(--dxfdoc-cobalt-d); transform: translateY(-1px); }
.dxfdoc-btn-ghost { background: var(--dxfdoc-cobalt-soft); color: var(--dxfdoc-cobalt); border: 1px solid var(--dxfdoc-cobalt-line); }
.dxfdoc-btn-ghost:hover { background: var(--dxfdoc-cobalt); color: #fff; }

/* ---- Progress ------------------------------------------------------ */
.dxfdoc-progress {
  margin-top: 18px; background: var(--dxfdoc-card); border: 1px solid var(--dxfdoc-line);
  border-radius: var(--dxfdoc-radius-sm); padding: 14px 16px;
}
.dxfdoc-progress-bar {
  height: 8px; border-radius: 6px; background: var(--dxfdoc-cobalt);
  width: 0%; transition: width .2s ease-out; margin-bottom: 8px;
}
.dxfdoc-progress::before { content: ''; }
.dxfdoc-progress-label { font-size: 0.85rem; color: var(--dxfdoc-slate); }

/* ---- Privacy note --------------------------------------------------- */
.dxfdoc-privacy-note {
  margin: 16px 0 0; font-size: 0.86rem; color: var(--dxfdoc-slate);
  display: flex; align-items: center; gap: 8px;
}
.dxfdoc-privacy-dot { color: var(--dxfdoc-ok); font-size: 0.6rem; }

/* ---- Score card ------------------------------------------------------ */
.dxfdoc-score-card {
  margin-top: 18px; display: flex; align-items: center; gap: 22px;
  background: var(--dxfdoc-card); border: 1px solid var(--dxfdoc-line);
  border-radius: var(--dxfdoc-radius); padding: 22px 26px; box-shadow: var(--dxfdoc-shadow);
}
.dxfdoc-score-ring {
  --score: 0;
  width: 84px; height: 84px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: conic-gradient(var(--ring-color, var(--dxfdoc-cobalt)) calc(var(--score) * 1%), #eef1f8 0);
  position: relative;
}
.dxfdoc-score-ring::before {
  content: ''; position: absolute; inset: 7px; border-radius: 50%; background: var(--dxfdoc-card);
}
.dxfdoc-score-num { position: relative; font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; }
.dxfdoc-score-good .dxfdoc-score-ring { --ring-color: var(--dxfdoc-ok); }
.dxfdoc-score-mid .dxfdoc-score-ring { --ring-color: var(--dxfdoc-warn); }
.dxfdoc-score-bad .dxfdoc-score-ring { --ring-color: var(--dxfdoc-fail); }
.dxfdoc-score-band { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
.dxfdoc-score-good .dxfdoc-score-band { color: var(--dxfdoc-ok); }
.dxfdoc-score-mid .dxfdoc-score-band { color: var(--dxfdoc-warn); }
.dxfdoc-score-bad .dxfdoc-score-band { color: var(--dxfdoc-fail); }
.dxfdoc-score-file { color: var(--dxfdoc-slate); font-size: 0.86rem; margin-top: 2px; word-break: break-all; }
.dxfdoc-score-sub { color: var(--dxfdoc-slate); font-size: 0.82rem; margin-top: 6px; }

/* ---- Layout: viewer + issues side by side --------------------------- */
.dxfdoc-layout {
  margin-top: 18px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: start;
}
@media (max-width: 920px) { .dxfdoc-layout { grid-template-columns: 1fr; } }

/* ---- Viewer panel ----------------------------------------------------- */
.dxfdoc-viewer-panel {
  background: var(--dxfdoc-card); border: 1px solid var(--dxfdoc-line);
  border-radius: var(--dxfdoc-radius); padding: 16px; box-shadow: var(--dxfdoc-shadow);
}
.dxfdoc-viewer-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  margin-bottom: 12px;
}
.dxfdoc-zoom-controls { display: flex; gap: 6px; }
.dxfdoc-zoom-controls .dxfdoc-btn { padding: 6px 12px; font-size: 1rem; line-height: 1; }
.dxfdoc-before-after { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--dxfdoc-slate); font-weight: 600; }
.dxfdoc-before-after input[type="range"] { accent-color: var(--dxfdoc-cobalt); width: 110px; }
.dxfdoc-canvas-wrap {
  border: 1px solid var(--dxfdoc-line); border-radius: var(--dxfdoc-radius-sm); overflow: hidden;
  background: #fff; background-image: linear-gradient(#eef1f8 1px, transparent 1px), linear-gradient(90deg, #eef1f8 1px, transparent 1px);
  background-size: 24px 24px;
}
.dxfdoc-canvas { display: block; width: 100%; cursor: grab; touch-action: none; }
.dxfdoc-canvas:active { cursor: grabbing; }
.dxfdoc-layers-box { margin-top: 14px; }
.dxfdoc-layers-box h4 { margin: 0 0 8px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--dxfdoc-slate); }
.dxfdoc-layer-list { display: flex; flex-wrap: wrap; gap: 10px; }
.dxfdoc-layer-row { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; background: var(--dxfdoc-bg); border: 1px solid var(--dxfdoc-line); border-radius: 100px; padding: 4px 10px 4px 8px; cursor: pointer; }
.dxfdoc-layer-row input { accent-color: var(--dxfdoc-cobalt); }

/* ---- Issues panel ------------------------------------------------------ */
.dxfdoc-issues-panel {
  background: var(--dxfdoc-card); border: 1px solid var(--dxfdoc-line);
  border-radius: var(--dxfdoc-radius); padding: 20px; box-shadow: var(--dxfdoc-shadow);
  max-height: 720px; overflow-y: auto;
}
.dxfdoc-issues-panel h3 { margin: 0 0 14px; font-size: 1.05rem; letter-spacing: -0.01em; }
.dxfdoc-group { margin-bottom: 20px; }
.dxfdoc-group-head { margin-bottom: 8px; }
.dxfdoc-group-title { display: block; font-weight: 700; font-size: 0.95rem; }
.dxfdoc-group-blockingtitle { color: var(--dxfdoc-fail); }
.dxfdoc-group-blocking .dxfdoc-group-title { color: var(--dxfdoc-fail); }
.dxfdoc-group-quality .dxfdoc-group-title { color: var(--dxfdoc-warn); }
.dxfdoc-group-info .dxfdoc-group-title { color: var(--dxfdoc-slate); }
.dxfdoc-group-blurb { display: block; font-size: 0.8rem; color: var(--dxfdoc-slate); margin-top: 2px; }
.dxfdoc-group-clean { font-size: 0.85rem; color: var(--dxfdoc-ok); background: #eefbf2; border: 1px solid #cdeedb; padding: 8px 12px; border-radius: var(--dxfdoc-radius-sm); }

.dxfdoc-issue-card {
  border: 1px solid var(--dxfdoc-line); border-left-width: 4px; border-radius: var(--dxfdoc-radius-sm);
  padding: 12px 14px; margin-bottom: 10px; background: #fdfdff;
}
.dxfdoc-sev-fail { border-left-color: var(--dxfdoc-fail); }
.dxfdoc-sev-warn { border-left-color: var(--dxfdoc-warn); }
.dxfdoc-sev-info { border-left-color: var(--dxfdoc-slate); }
.dxfdoc-issue-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.dxfdoc-issue-badge {
  font-size: 0.65rem; font-weight: 800; letter-spacing: .05em; padding: 2px 7px; border-radius: 100px;
  background: var(--dxfdoc-bg); color: var(--dxfdoc-slate);
}
.dxfdoc-sev-fail .dxfdoc-issue-badge { background: #fde8e8; color: var(--dxfdoc-fail); }
.dxfdoc-sev-warn .dxfdoc-issue-badge { background: #fef3e0; color: var(--dxfdoc-warn); }
.dxfdoc-issue-label { font-weight: 700; font-size: 0.92rem; flex: 1; }
.dxfdoc-issue-count { font-size: 0.8rem; color: var(--dxfdoc-slate); font-weight: 600; }
.dxfdoc-issue-detail { font-size: 0.85rem; margin: 0 0 6px; }
.dxfdoc-issue-why, .dxfdoc-issue-fix { font-size: 0.83rem; color: var(--dxfdoc-slate); margin: 0 0 4px; }
.dxfdoc-issue-why b, .dxfdoc-issue-fix b { color: var(--dxfdoc-ink); }

.dxfdoc-toggle { display: flex; align-items: center; gap: 8px; margin-top: 8px; cursor: pointer; font-size: 0.82rem; }
.dxfdoc-toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.dxfdoc-toggle-slider {
  width: 34px; height: 19px; border-radius: 100px; background: #d7deec; position: relative; flex: none; transition: background .15s;
}
.dxfdoc-toggle-slider::after {
  content: ''; position: absolute; top: 2px; left: 2px; width: 15px; height: 15px; border-radius: 50%;
  background: #fff; transition: transform .15s; box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.dxfdoc-toggle input:checked + .dxfdoc-toggle-slider { background: var(--dxfdoc-cobalt); }
.dxfdoc-toggle input:checked + .dxfdoc-toggle-slider::after { transform: translateX(15px); }
.dxfdoc-toggle-text { color: var(--dxfdoc-ink); font-weight: 500; }

.dxfdoc-locate-btn { margin-top: 8px; padding: 6px 12px; font-size: 0.78rem; }

.dxfdoc-passed-details { margin-top: 6px; font-size: 0.82rem; color: var(--dxfdoc-slate); }
.dxfdoc-passed-details summary { cursor: pointer; font-weight: 600; }
.dxfdoc-passed-item { padding: 4px 0 4px 12px; color: var(--dxfdoc-ok); }

/* ---- Download bar (the only gated action) ----------------------------- */
.dxfdoc-download-bar {
  margin-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(135deg, #0d1426, #16233f); color: #dfe6f5;
  border-radius: var(--dxfdoc-radius); padding: 20px 24px;
}
.dxfdoc-download-copy { font-size: 0.92rem; max-width: 56ch; }
.dxfdoc-download-copy strong { color: #fff; }
.dxfdoc-download-note { display: inline-block; margin-top: 6px; font-size: 0.82rem; opacity: 0.78; line-height: 1.45; }
.dxfdoc-download-btn { white-space: nowrap; }

/* Post-handoff status strip. Shown after the new tab is opened so a slow
   (cold-starting) app server never looks like a broken button. */
.dxfdoc-handoff-note {
  margin-top: 14px; padding: 14px 18px;
  border: 1px solid var(--dxfdoc-line, #dce3f0);
  border-left: 4px solid var(--dxfdoc-cobalt, #1A4FBF);
  border-radius: var(--dxfdoc-radius, 14px);
  background: #f6f8fc; color: #0d1426;
  font-size: 0.9rem; line-height: 1.5;
  display: flex; flex-direction: column; gap: 4px;
}
.dxfdoc-handoff-note strong { color: var(--dxfdoc-cobalt, #1A4FBF); }
.dxfdoc-handoff-note a {
  align-self: flex-start; margin-top: 4px;
  color: var(--dxfdoc-cobalt, #1A4FBF); font-weight: 600;
}

/* ---- Small screens ------------------------------------------------------ */
@media (max-width: 640px) {
  .dxfdoc-drop { padding: 30px 16px; }
  .dxfdoc-score-card { flex-direction: column; align-items: flex-start; text-align: left; }
  .dxfdoc-viewer-toolbar { flex-direction: column; align-items: stretch; }
  .dxfdoc-zoom-controls { justify-content: center; }
  .dxfdoc-before-after { justify-content: center; }
  .dxfdoc-download-bar { flex-direction: column; align-items: stretch; text-align: center; }
  .dxfdoc-issues-panel { max-height: none; }
}

/* "Try a sample" link inside the drop zone ------------------------------- */
.dxfdoc-samplelink{
  display:block; margin:14px auto 0; background:none; border:0; padding:4px 8px;
  font:inherit; font-size:.85rem; color:#1A4FBF; cursor:pointer;
  text-decoration:underline; text-underline-offset:3px;
}
.dxfdoc-samplelink:hover{ color:#123a8f; }

/* Keep the drawing column pinned while the (much taller) issues column
   scrolls past it, instead of leaving dead whitespace under the canvas. */
@media (min-width: 981px){
  .dxfdoc-viewer-panel{ position:sticky; top:16px; align-self:start; }
}