*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{height:100%}body{min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(69,137,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(69,137,255,.04) 1px,transparent 1px);background-size:32px 32px;pointer-events:none;z-index:0}.page{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:1.75rem 1.25rem 4rem}.main{width:100%;max-width:520px;display:flex;flex-direction:column;gap:1rem}.intro{margin-bottom:.25rem}.intro__label{font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--cobalt);margin-bottom:8px}.intro__title{font-family:var(--font-display);font-size:clamp(2rem,7vw,3rem);font-weight:400;letter-spacing:-.01em;line-height:1.05;color:var(--ink);margin-bottom:.5rem}.intro__sub{font-family:var(--font-ui);font-style:italic;font-size:1.125rem;color:var(--ink-mid)}.drop-zone{position:relative;min-height:140px;display:flex;align-items:center;justify-content:center;border:1.5px dashed var(--cobalt-border);background:var(--cobalt-pale);overflow:hidden;cursor:pointer;transition:border-color .15s ease,background .15s ease;outline:none}.drop-zone:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(69,137,255,.06) 0%,transparent 70%);pointer-events:none}.drop-zone:focus-visible{box-shadow:0 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rgba(255,255,255,.06);background:#ffffff05;min-height:500px;max-height:75vh}.thumb-strip{width:80px;min-width:80px;overflow-y:auto;background:var(--surface);padding:8px 4px;display:flex;flex-direction:column;gap:6px;scrollbar-width:thin}.thumb-strip canvas{width:100%;cursor:pointer;border:2px solid transparent;transition:border-color .1s}.thumb-strip canvas.thumb--active{border-color:#4589ff}.thumb-strip canvas:hover{border-color:#4589ff66}.viewer-wrap{flex:1;overflow:auto;display:flex;justify-content:center;background:#1a1a1e}.viewer{position:relative;display:inline-block}#pdf-canvas{display:block}.field-layer{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.field-layer .field{pointer-events:auto}.cursor-preview{position:absolute;pointer-events:none;border:1px dashed rgba(69,137,255,.5);background:#4589ff0d;z-index:10}.field{position:absolute;border:1px solid rgba(69,137,255,.3);background:#4589ff08;cursor:move;-webkit-user-select:none;user-select:none;transition:border-color .1s;display:flex;align-items:center;justify-content:center;overflow:hidden}.field:hover{border-color:#4589ff99}.field--selected{border-color:#4589ff;box-shadow:0 0 0 1px #4589ff}.field img{max-width:100%;max-height:100%;pointer-events:none}.field__text{font-family:var(--font-ui);font-size:14px;color:#000;background:none;border:none;outline:none;width:100%;height:100%;padding:2px 4px}.field__tick{font-size:24px;font-weight:700;color:#000;line-height:1}.field__handle{position:absolute;width:8px;height:8px;background:#4589ff;border:1px solid #fff;display:none}.field--selected 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.field__delete{display:flex;align-items:center;justify-content:center}.props-panel{width:180px;min-width:180px;background:var(--surface);padding:12px;overflow-y:auto}.props-panel__header{font-family:var(--font-ui);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cobalt);margin-bottom:12px}.props-row{display:flex;flex-direction:column;gap:4px;margin-bottom:12px;font-family:var(--font-ui);font-size:11px;color:var(--ink-mid)}.props-row input[type=range]{width:100%;accent-color:#4589FF}.props-row select{background:var(--surface-2);border:1px solid rgba(255,255,255,.1);color:var(--ink);font-family:var(--font-ui);font-size:11px;padding:4px}.props-delete{width:100%;background:#ef53501a;border:1px solid rgba(239,83,80,.3);color:#ef5350;font-family:var(--font-ui);font-size:11px;padding:8px;cursor:pointer;margin-top:8px}.page-nav{display:flex;justify-content:center;align-items:center;gap:16px;padding:10px}.page-nav__btn{background:none;border:1px solid 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.15s}.btn-export:hover{background:#5a9aff}.btn-export:disabled{opacity:.5;cursor:default}.trust-row{display:flex;justify-content:space-between;align-items:center;padding-top:.5rem}.trust-item{display:flex;align-items:center;gap:.4rem;font-size:11px;color:var(--ink-dim);letter-spacing:.03em}.trust-dot{width:4px;height:4px;background:var(--green);border-radius:50%;flex-shrink:0}.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center}.modal[hidden]{display:none}.modal__backdrop{position:absolute;inset:0;background:#000000b3}.modal__card{position:relative;background:#1a1a2e;border:1px solid rgba(69,137,255,.2);max-width:520px;width:90vw;max-height:85vh;overflow-y:auto;padding:24px}.modal__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal__title{font-family:var(--font-display);font-size:20px;color:var(--ink);margin:0}.modal__close{background:none;border:none;color:var(--ink-dim);font-size:24px;cursor:pointer;padding:0 4px}.saved-sig{text-align:center;padding:16px;border:1px solid rgba(255,255,255,.08);margin-bottom:16px}.saved-sig__label{font-family:var(--font-ui);font-size:11px;color:var(--ink-dim);margin-bottom:8px}.saved-sig__img{max-width:200px;max-height:60px;margin-bottom:12px}.saved-sig__actions{display:flex;gap:8px;justify-content:center}.saved-sig__btn{font-family:var(--font-ui);font-size:12px;padding:8px 16px;border:none;cursor:pointer;background:#4589ff;color:#000;font-weight:700}.saved-sig__btn--subtle{background:transparent;color:var(--ink-mid);border:1px solid rgba(255,255,255,.15)}.modal__tabs{display:flex;gap:0;margin-bottom:16px;border-bottom:1px solid rgba(255,255,255,.08)}.modal__tab{font-family:var(--font-ui);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-dim);background:none;border:none;border-bottom:2px solid transparent;padding:8px 16px;cursor:pointer}.modal__tab--active{color:#4589ff;border-bottom-color:#4589ff}.sig-canvas{width:100%;height:150px;background:#fff;cursor:crosshair;display:block;touch-action:none}.sig-canvas-actions{display:flex;gap:12px;align-items:center;margin-top:8px}.sig-action-btn{font-family:var(--font-ui);font-size:11px;background:none;border:1px solid rgba(255,255,255,.15);color:var(--ink-mid);padding:4px 12px;cursor:pointer}.sig-colour-pick{font-family:var(--font-ui);font-size:11px;color:var(--ink-mid);cursor:pointer;display:flex;align-items:center;gap:4px}.sig-text-input{width:100%;font-family:var(--font-ui);font-size:16px;padding:10px 12px;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);color:var(--ink);margin-bottom:12px}.sig-font-previews{display:flex;flex-direction:column;gap:8px}.sig-font-option{display:flex;align-items:center;gap:10px;padding:8px 12px;border:1px solid rgba(255,255,255,.08);cursor:pointer}.sig-font-option:has(input:checked){border-color:#4589ff66;background:#4589ff0d}.sig-font-preview{font-size:22px;color:#000;background:#fff;padding:4px 12px;flex:1;min-height:36px;display:flex;align-items:center}.sig-upload-zone{border:2px dashed rgba(255,255,255,.15);padding:32px;text-align:center;cursor:pointer;font-family:var(--font-ui);font-size:12px;color:var(--ink-dim)}.sig-upload-preview{max-width:100%;max-height:120px;margin-top:12px;background:#fff;padding:8px}.modal__footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}.sig-save-check{font-family:var(--font-ui);font-size:11px;color:var(--ink-dim);display:flex;align-items:center;gap:6px;cursor:pointer}.modal__confirm{background:#4589ff;color:#000;font-family:var(--font-ui);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;border:none;padding:10px 20px;cursor:pointer}@media(max-width:640px){.workspace{flex-direction:column;max-height:none}.thumb-strip{flex-direction:row;width:100%;min-width:auto;height:60px;overflow-x:auto}.thumb-strip canvas{width:40px;height:auto}.props-panel{width:100%;min-width:auto}.toolbar{flex-direction:column}}