:root{color:#dce6e8;font-synthesis:none;text-rendering:optimizelegibility;--bg:#0c1418;--surface:#111e23;--surface-raised:#17272d;--line:#294047;--line-soft:#21343a;--text:#dce6e8;--muted:#91a4aa;--accent:#72ddc5;--accent-dark:#0e6f62;--danger:#ffaaa7;--danger-bg:#351d20;background:#0c1418;font-family:Yu Gothic UI,Hiragino Sans,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth;min-width:320px}body{background:radial-gradient(circle at 85% 0%, #30786d21, transparent 32rem), linear-gradient(180deg, #0d171b 0%, var(--bg) 45%);min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button,select,input[type=file],input[type=checkbox]{cursor:pointer}button:disabled,input:disabled,select:disabled,textarea:disabled{cursor:not-allowed;opacity:.6}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #72ddc561}.app-shell{width:min(1180px,100% - 40px);margin:0 auto}.site-header{border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;height:88px;display:flex}.brand{color:var(--text);align-items:center;gap:12px;text-decoration:none;display:flex}.brand-mark{border:1px solid var(--accent);width:38px;height:38px;color:var(--accent);border-radius:50% 46% 54% 48%;place-items:center;font:500 18px ui-monospace,monospace;display:grid;transform:rotate(-7deg)}.brand>span:last-child{flex-direction:column;display:flex}.brand strong{letter-spacing:.05em}.brand small{color:var(--muted);letter-spacing:.04em;font:400 10px ui-monospace,monospace}.poc-badge,.status-chip{border:1px solid var(--line);color:var(--muted);text-transform:uppercase;letter-spacing:.08em;border-radius:999px;padding:6px 10px;font:500 11px ui-monospace,monospace}.hero{max-width:760px;padding:88px 0 56px}.eyebrow{color:var(--accent);letter-spacing:.16em;text-transform:uppercase;font:500 11px ui-monospace,monospace;display:block}.hero h1{letter-spacing:-.045em;margin:14px 0 18px;font-size:clamp(2.35rem,6vw,4.75rem);font-weight:600;line-height:1.13}.hero>p:last-child{max-width:650px;color:var(--muted);margin:0;line-height:1.9}.mode-tabs{border:1px solid var(--line);background:#111e23bf;border-radius:14px;grid-template-columns:1fr 1fr;margin-bottom:28px;display:grid;overflow:hidden}.mode-tabs button{color:var(--muted);text-align:left;background:0 0;border:0;grid-template-columns:auto auto 1fr;align-items:center;gap:10px;padding:20px 24px;font-weight:600;display:grid;position:relative}.mode-tabs button+button{border-left:1px solid var(--line)}.mode-tabs button>span{color:var(--accent);font:400 22px ui-monospace,monospace}.mode-tabs button small{color:#657b82;justify-self:end;font-size:12px;font-weight:400}.mode-tabs button[aria-selected=true]{color:var(--text);background:var(--surface-raised);box-shadow:inset 0 -2px 0 var(--accent)}.form-grid{grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);align-items:start;gap:28px;display:grid}.panel{border:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#111e23d6;border-radius:16px}.input-panel,.info-panel{padding:clamp(24px,4vw,42px)}.info-panel{gap:28px;display:grid;position:sticky;top:24px}.section-heading{border-bottom:1px solid var(--line-soft);padding-bottom:28px}.section-heading h2,.info-panel h3{letter-spacing:-.02em;margin:9px 0 8px}.section-heading h2{font-size:1.6rem}.section-heading p,.info-panel p{color:var(--muted);margin:0;font-size:14px;line-height:1.75}.image-picker,.field-group{margin-top:28px}.field-label{color:#c9d5d8;margin-bottom:10px;font-size:13px;font-weight:600;display:inline-block}.required{color:var(--accent);margin-left:6px;font-size:10px}.file-input{width:100%;color:var(--muted);background:#0d191d;border:1px dashed #3c5a62;border-radius:9px;padding:11px}.file-input::file-selector-button{color:#0b2823;background:var(--accent);border:0;border-radius:6px;margin-right:12px;padding:7px 11px;font-weight:600}.file-meta{color:var(--muted);overflow-wrap:anywhere;margin:9px 0 0;font:400 11px ui-monospace,monospace}.preview{aspect-ratio:16/9;border:1px solid var(--line-soft);background-color:#132228;background-image:linear-gradient(45deg,#101d21 25%,#0000 25%),linear-gradient(-45deg,#101d21 25%,#0000 25%),linear-gradient(45deg,#0000 75%,#101d21 75%),linear-gradient(-45deg,#0000 75%,#101d21 75%),none;background-position:0 0,0 10px,10px -10px,-10px 0;background-repeat:repeat,repeat,repeat,repeat,repeat;background-size:20px 20px;background-attachment:scroll,scroll,scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box,border-box,border-box;border-radius:10px;place-items:center;margin-top:14px;display:grid;overflow:hidden}.preview.has-image{background:#091114}.preview img{object-fit:contain;width:100%;height:100%}.preview-empty{color:#637980;flex-direction:column;align-items:center;gap:8px;font-size:12px;display:flex}.preview-mark{color:#4c6d70;font-size:28px}.label-row{justify-content:space-between;align-items:baseline;display:flex}.char-count{color:#647a81;font:400 10px ui-monospace,monospace}select,textarea{width:100%;color:var(--text);background:#0e191d;border:1px solid #365058;border-radius:8px}select{height:46px;padding:0 13px}textarea{resize:vertical;min-height:104px;padding:12px 13px;line-height:1.6;display:block}.field-help{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.6}.check-row{border:1px solid var(--line-soft);background:#0f1c20;border-radius:9px;align-items:flex-start;gap:12px;margin-top:26px;padding:16px;display:flex}.check-row input{width:18px;height:18px;accent-color:var(--accent-dark);margin:2px 0 0}.check-row span{flex-direction:column;gap:4px;display:flex}.check-row strong{color:#cbd7da;font-size:13px}.check-row small{color:var(--muted);font-size:11px;line-height:1.55}.switch-row{margin:28px 0}.alert{border-radius:8px;margin-top:20px;padding:13px 15px;font-size:13px;line-height:1.6}.alert.error{color:var(--danger);background:var(--danger-bg);border:1px solid #714246}.primary-button,.secondary-button,.copy-button{border-radius:8px;font-weight:600;transition:background-color .15s,border-color .15s}.primary-button{border:1px solid var(--accent);color:#08221d;background:var(--accent);justify-content:center;align-items:center;gap:9px;width:100%;min-height:49px;margin-top:24px;display:flex}.primary-button:not(:disabled):hover{background:#91ead6}.secondary-button,.copy-button{color:#c8d6d9;background:#102126;border:1px solid #3a575f;min-height:39px;padding:8px 12px;font-size:12px}.secondary-button:hover,.copy-button:hover{border-color:var(--accent)}.spinner{border:2px solid #08221d4d;border-top-color:#08221d;border-radius:50%;width:17px;height:17px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:1.6s}html{scroll-behavior:auto}}.result-placeholder{color:#667c82;text-align:center;border:1px dashed #385058;border-radius:10px;place-items:center;min-height:190px;display:grid}.result-placeholder span{font-size:38px}.result-placeholder p{margin-top:-40px}.result-card{border:1px solid var(--line);background:#0d191d;border-radius:11px;padding:22px}.result-card.success{background:#0f37306b;border-color:#286459}.result-card.neutral{border-color:#4a5558}.result-card .status-chip{color:var(--accent);border-color:#286459;display:inline-block}.result-card h3{margin:13px 0 19px;font-size:1.05rem}.result-list{margin:0 0 18px}.result-list>div{border-top:1px solid var(--line-soft);grid-template-columns:42% 58%;align-items:baseline;gap:10px;padding:11px 0;display:grid}.result-list dt{color:var(--muted);font-size:11px}.result-list dd{color:#d6e0e2;overflow-wrap:anywhere;text-align:right;min-width:0;margin:0;font-size:13px}.result-list dd small{color:var(--muted);font-size:9px}.public-message{background:#144d424d;border:1px solid #347267;border-radius:9px;margin:0 0 18px;padding:17px}.public-message h4{color:#d9e8e5;margin:8px 0 10px;font-size:.95rem}.public-message p{color:#c8d8d5;overflow-wrap:anywhere;white-space:pre-wrap;margin:0;line-height:1.75}code{color:#9ce7d6;letter-spacing:.05em;font:500 13px ui-monospace,monospace}.result-actions{flex-wrap:wrap;gap:9px;display:flex}.notice{background:#1a30357a;border-left:2px solid #3c645e;padding:18px}.notice strong{color:#cbd7d9;font-size:12px}.notice p{margin-top:7px;font-size:12px;line-height:1.7}footer{color:#62767d;text-align:center;padding:46px 0 34px;font-size:11px;line-height:1.8}@media (width<=800px){.app-shell{width:min(100% - 24px,620px)}.site-header{height:72px}.poc-badge{display:none}.hero{padding:58px 6px 38px}.hero h1{font-size:clamp(2.25rem,11vw,3.4rem)}.mode-tabs button{grid-template-columns:auto 1fr;padding:16px}.mode-tabs button small{display:none}.form-grid{grid-template-columns:1fr}.info-panel{position:static}}@media (width<=460px){.app-shell{width:min(100% - 16px,440px)}.brand small{display:none}.panel{border-radius:12px}.input-panel,.info-panel{padding:21px 18px}.mode-tabs button{gap:7px;padding:14px 12px;font-size:13px}.result-list>div{grid-template-columns:1fr;gap:4px}.result-list dd{text-align:left}.result-actions>*{width:100%}}