:root{--ink: #1c1915;--ink-soft: #3a342c;--muted: #6b6358;--paper: #f3eee4;--paper-2: #e8dfd0;--card: #fbf7ef;--line: #d4c9b6;--wax: #9c2f1a;--wax-deep: #7a2414;--wax-soft: #c45c3a;--ok: #2f5d45;--shadow: 0 18px 40px rgba(28, 25, 21, .08);--radius: 18px;--sans: "Outfit", "Segoe UI", system-ui, sans-serif;--serif: "Fraunces", "Iowan Old Style", Georgia, serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font-family:var(--sans)}body{min-height:100dvh}button,input{font:inherit}.app{display:grid;grid-template-columns:320px 1fr;grid-template-rows:auto 1fr;min-height:100dvh}.topbar{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#faf6ee,#f3eee4)}.brand{display:flex;align-items:center;gap:12px}.brand strong{display:block;font-family:var(--serif);font-size:1.35rem;font-weight:680;letter-spacing:-.02em}.brand p,.privacy,.fineprint,.help,.drop-hint{margin:0;color:var(--muted);font-size:.82rem}.seal{color:var(--wax);display:grid;place-items:center}.privacy{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:#fffaf2}.rail{display:flex;flex-direction:column;gap:14px;padding:18px 16px 20px;border-right:1px solid var(--line);background:#efe8da}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}.panel h2{margin:0 0 10px;font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}.drop{position:relative;display:grid;justify-items:center;gap:4px;padding:16px 12px;border:1.5px dashed #cbbfa8;border-radius:14px;background:#f7f1e6;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.drop:hover,.drop.dragover{border-color:var(--wax-soft);background:#fff8ef}.drop input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.drop-icon{color:var(--wax);display:grid;place-items:center;min-height:36px}.drop-title{font-weight:500;font-size:.95rem}.signature-preview-wrap img{max-width:120px;max-height:44px;object-fit:contain}.help{margin-bottom:12px;line-height:1.4}.slider{display:grid;gap:6px;margin-bottom:12px;font-size:.85rem;color:var(--ink-soft)}.slider input{width:100%;accent-color:var(--wax)}.btn-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.btn{border:0;border-radius:12px;padding:10px 12px;cursor:pointer;font-weight:500}.btn.full{width:100%}.btn.ghost{background:#f3ece0;color:var(--ink);border:1px solid var(--line)}.btn.ghost:hover{background:#ebe3d4}.btn.primary{background:var(--wax);color:#fffaf2;padding:13px 14px;font-size:1rem}.btn.primary:hover:not(:disabled){background:var(--wax-deep)}.btn:disabled{opacity:.45;cursor:not-allowed}.rail-footer{margin-top:auto;display:grid;gap:8px}.workspace{display:grid;grid-template-rows:1fr auto;min-width:0;background:radial-gradient(circle at 12% 8%,rgba(156,47,26,.05),transparent 28%),linear-gradient(180deg,#f6f1e7,#ece4d4)}.stage{position:relative;min-height:0;display:grid;place-items:center;padding:18px}.empty{max-width:420px;text-align:center;color:var(--ink-soft)}.empty h1{margin:8px 0;font-family:var(--serif);font-size:1.8rem;font-weight:560;color:var(--ink)}.empty p{margin:0;color:var(--muted);line-height:1.5}.empty-art{width:min(220px,70vw)}[hidden]{display:none!important}.stage-frame{width:100%;height:100%;display:grid;place-items:center}.stage-inner{position:relative;box-shadow:0 24px 50px #1c191529;background:#fff}#pageCanvas{display:block;width:100%;height:100%}.sig{position:absolute;touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none}.sig:active{cursor:grabbing}.sig img{display:block;width:100%;height:100%;object-fit:contain;pointer-events:none}.sig:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border:1.5px dashed var(--wax-soft);border-radius:4px;pointer-events:none}.handle{position:absolute;width:14px;height:14px;padding:0;border:2px solid #fff;border-radius:3px;background:var(--wax);box-shadow:0 0 0 1px var(--wax-deep)}.handle.nw{left:-7px;top:-7px;cursor:nwse-resize}.handle.ne{right:-7px;top:-7px;cursor:nesw-resize}.handle.sw{left:-7px;bottom:-7px;cursor:nesw-resize}.handle.se{right:-7px;bottom:-7px;cursor:nwse-resize}.thumbs{display:flex;gap:10px;overflow-x:auto;padding:10px 16px 16px;border-top:1px solid var(--line);background:#fbf7efdb}.thumb{flex:0 0 auto;width:72px;padding:0;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;overflow:hidden}.thumb.active{border-color:var(--wax);box-shadow:0 0 0 2px #9c2f1a40}.thumb canvas{display:block;width:100%;height:auto}.thumb span{display:block;padding:4px 0 6px;font-size:.7rem;color:var(--muted)}.thumb.has-sig span{color:var(--wax);font-weight:600}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%) translateY(12px);max-width:min(420px,calc(100vw - 24px));padding:10px 14px;border-radius:12px;background:var(--ink);color:#f7f1e6;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:20}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}@media(max-width:860px){.app{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr) auto;height:100dvh}.topbar{padding:12px 14px;grid-row:1}.privacy{display:none}.workspace{grid-row:2;min-height:0;grid-template-rows:minmax(0,1fr) auto}.rail{grid-row:3;max-height:46dvh;overflow:auto;border-right:0;border-top:1px solid var(--line);border-bottom:0;padding:12px}.stage{padding:12px}.rail-footer{position:sticky;bottom:0;padding-top:4px;background:#efe8da}}@media(max-width:860px)and (min-width:560px){.rail{display:grid;grid-template-columns:1fr 1fr;align-items:start}.controls,.rail-footer{grid-column:1 / -1}}