:root{
  --mockup-ink:#16130f;
  --mockup-paper:#faf8f3;
  --mockup-red:#d6452c;
  --mockup-line:#d8cfbe;
  --mockup-muted:#677180;
  --mockup-blue:#2478d4;
}
.mockup-page{max-width:1240px;margin:0 auto;padding:48px 20px 72px}
.mockup-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end;margin-bottom:28px}
.mockup-tool-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;margin-bottom:34px}
.mockup-tool-nav a{display:flex;min-height:52px;align-items:center;justify-content:center;padding:9px;border:1px solid var(--mockup-line);border-radius:7px;background:#fff;color:var(--mockup-ink);font-size:13px;font-weight:900;text-align:center;text-decoration:none}
.mockup-tool-nav a:hover,.mockup-tool-nav a.active{border-color:var(--mockup-ink);background:var(--mockup-ink);color:#fff;text-decoration:none}
.mockup-head .eyebrow{display:block;margin-bottom:8px;color:var(--mockup-red);font-size:12px;font-weight:900;letter-spacing:.18em}
.mockup-head h1{margin:0 0 10px;font-size:clamp(30px,5vw,48px);line-height:1.16;letter-spacing:-.04em}
.mockup-head p{max-width:760px;margin:0;color:var(--mockup-muted);font-size:16px;line-height:1.75}
.privacy-pill{align-self:start;padding:10px 14px;border:1px solid #b9dccb;border-radius:999px;background:#edf8f2;color:#17643f;font-size:12px;font-weight:800;white-space:nowrap}
.mockup-workspace{display:grid;grid-template-columns:310px minmax(0,1fr);gap:22px;align-items:start}
.mockup-panel{position:sticky;top:84px;padding:20px;border:1px solid var(--mockup-line);border-radius:12px;background:#fff;box-shadow:0 10px 28px rgba(22,19,15,.07)}
.mockup-panel h2{margin:0 0 14px;padding:0;border:0;font-size:17px}
.upload-drop{display:flex;min-height:145px;align-items:center;justify-content:center;text-align:center;border:2px dashed #95afd0;border-radius:10px;background:#f5f9fe;cursor:pointer;transition:.18s}
.upload-drop:hover,.upload-drop.is-over{border-color:var(--mockup-blue);background:#eaf4ff;transform:translateY(-1px)}
.upload-drop input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.upload-drop strong,.upload-drop small{display:block}
.upload-drop strong{font-size:15px}
.upload-drop small{margin-top:7px;color:var(--mockup-muted);font-size:12px}
.file-summary{display:none;margin:10px 0 0;padding:10px 12px;border-radius:7px;background:#f3efe7;color:#514b42;font-size:12px;overflow-wrap:anywhere}
.file-summary.is-visible{display:block}
.control-group{margin-top:20px}
.control-label{display:flex;justify-content:space-between;gap:12px;margin-bottom:9px;font-size:13px;font-weight:800}
.control-label output{color:var(--mockup-red)}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.scene-option{padding:0;border:2px solid transparent;border-radius:8px;background:#f2eee6;color:var(--mockup-ink);overflow:hidden;cursor:pointer}
.scene-option img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
.scene-option span{display:block;padding:7px 3px;font-size:11px;font-weight:800}
.scene-option[aria-pressed="true"]{border-color:var(--mockup-red);background:#fff6f2}
.fit-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}
.fit-switch button{min-height:43px;padding:8px;border:1px solid var(--mockup-line);border-radius:7px;background:#fff;color:var(--mockup-ink);font:inherit;font-size:12px;font-weight:800;cursor:pointer}
.fit-switch button[aria-pressed="true"]{border-color:var(--mockup-ink);background:var(--mockup-ink);color:#fff}
.mockup-panel input[type="range"]{width:100%;accent-color:var(--mockup-red)}
.action-stack{display:grid;gap:9px;margin-top:22px}
.action-stack button{min-height:47px;border:1px solid var(--mockup-line);border-radius:7px;background:#fff;color:var(--mockup-ink);font:inherit;font-weight:900;cursor:pointer}
.action-stack .primary{border-color:var(--mockup-ink);background:var(--mockup-ink);color:#fff}
.action-stack button:disabled{cursor:not-allowed;opacity:.42}
.mockup-note{margin:15px 0 0;color:var(--mockup-muted);font-size:11px;line-height:1.65}
.mockup-stage-card{min-width:0}
.stage-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.stage-toolbar strong{font-size:14px}
.stage-toolbar span{color:var(--mockup-muted);font-size:12px;text-align:right}
.canvas-shell{position:relative;border:1px solid var(--mockup-line);border-radius:13px;background-color:#e8e4db;background-image:linear-gradient(45deg,#d8d3c9 25%,transparent 25%),linear-gradient(-45deg,#d8d3c9 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d8d3c9 75%),linear-gradient(-45deg,transparent 75%,#d8d3c9 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0;overflow:hidden;box-shadow:0 14px 35px rgba(22,19,15,.11)}
#mockup-canvas{display:block;width:100%;height:auto;aspect-ratio:3/2;background:#eee}
.canvas-prompt{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);max-width:calc(100% - 34px);padding:11px 16px;border-radius:999px;background:rgba(22,19,15,.82);color:#fff;font-size:13px;font-weight:800;text-align:center;pointer-events:none;backdrop-filter:blur(5px)}
.canvas-prompt.is-hidden{display:none}
.status-box{min-height:48px;margin-top:12px;padding:12px 15px;border:1px solid var(--mockup-line);border-radius:8px;background:#fff;color:#4e5764;font-size:13px;line-height:1.7}
.status-box[data-tone="warn"]{border-color:#e6b662;background:#fff7e2;color:#765112}
.status-box[data-tone="ok"]{border-color:#aad6bd;background:#eff9f3;color:#19633f}
.mockup-guide{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.mockup-guide article{padding:20px;border:1px solid var(--mockup-line);border-radius:10px;background:#fff}
.mockup-guide b{display:block;margin-bottom:7px;font-size:15px}
.mockup-guide p{margin:0;color:var(--mockup-muted);font-size:13px;line-height:1.7}
.mockup-disclaimer{margin-top:28px;padding:20px;border-left:4px solid var(--mockup-red);background:#f3efe7;color:#534d43;font-size:13px;line-height:1.75}
@media(max-width:900px){
  .mockup-tool-nav{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mockup-head{grid-template-columns:1fr}.privacy-pill{justify-self:start}
  .mockup-workspace{grid-template-columns:1fr}.mockup-panel{position:static}
  .mockup-guide{grid-template-columns:1fr}
}
@media(max-width:560px){
  .mockup-tool-nav{grid-template-columns:1fr 1fr}
  .mockup-page{padding-top:30px}.scene-grid{grid-template-columns:1fr 1fr 1fr}
  .stage-toolbar{align-items:flex-start;flex-direction:column}.stage-toolbar span{text-align:left}
  .fit-switch{grid-template-columns:1fr}
}