:root{color-scheme:light;--bg: #ffffff;--bg-subtle: #fafafa;--fg: #171717;--muted: #666666;--muted-strong: #4d4d4d;--border: #ebebeb;--accent: #0072f5;--accent-strong: #0a72ef;--success: #059669;--danger: #ff5b4f;--surface: rgba(255, 255, 255, .92);--surface-solid: #ffffff;--shadow-ring: rgba(0, 0, 0, .08) 0 0 0 1px;--shadow-card: rgba(0, 0, 0, .08) 0 0 0 1px, rgba(0, 0, 0, .04) 0 2px 2px, rgba(0, 0, 0, .04) 0 18px 38px -24px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SFMono-Regular", ui-monospace, Menlo, Monaco, Consolas, monospace;font-family:var(--font-sans);background:var(--bg);color:var(--fg)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 18% 0%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 34rem),linear-gradient(180deg,var(--bg) 0%,var(--bg-subtle) 100%);color:var(--fg)}a{color:inherit}.app-shell{width:min(1240px,calc(100% - 40px));margin:0 auto;padding:18px 0 56px}.topbar{position:sticky;top:12px;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding:10px 12px;margin-bottom:54px;border-radius:999px;background:color-mix(in srgb,var(--surface-solid) 88%,transparent);box-shadow:var(--shadow-ring);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand,.nav-links{display:flex;align-items:center;gap:10px}.brand{text-decoration:none;font-weight:650;letter-spacing:-.02em;padding:4px 12px 4px 5px}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--fg);color:var(--bg);font-family:var(--font-mono);font-size:12px;letter-spacing:-.08em}.nav-links a{text-decoration:none;color:var(--muted-strong);font-size:14px;font-weight:520;padding:9px 12px;border-radius:999px;transition:background .16s ease,color .16s ease}.nav-links a:hover{background:var(--bg-subtle);color:var(--fg)}.hero{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:44px;align-items:center;padding:22px 0 66px}.hero-copy{max-width:760px}.eyebrow{margin:0 0 14px;color:var(--accent);font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3{margin:0;color:var(--fg);letter-spacing:-.055em;text-wrap:balance}h1{max-width:11ch;font-size:clamp(42px,7vw,78px);line-height:1.02;font-weight:680}.subtitle{margin:24px 0 0;max-width:62ch;color:var(--muted-strong);font-size:clamp(18px,1.8vw,21px);line-height:1.72;text-wrap:pretty}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.btn,button,.download{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;cursor:pointer;font:inherit;font-size:14px;font-weight:650;line-height:1;text-align:center;text-decoration:none;border-radius:var(--radius-sm);transition:transform .16s ease,background .16s ease,box-shadow .16s ease}.btn{width:auto;padding:0 18px}.primary,button:not(.secondary){color:var(--bg);background:var(--fg);box-shadow:var(--shadow-ring)}.ghost,.secondary{color:var(--fg);background:var(--surface-solid);box-shadow:var(--shadow-ring)}.btn:hover,button:hover,.download:hover{transform:translateY(-1px)}button{width:100%;padding:0 16px}button:disabled{opacity:.58;cursor:progress;transform:none}.hero-card{position:relative;padding:18px;border-radius:var(--radius-xl);background:var(--surface-solid);box-shadow:var(--shadow-card)}.hero-card:before{content:"";position:absolute;inset:-1px;z-index:-1;border-radius:inherit;background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 34%,transparent),transparent 42%)}.card-topline{display:flex;align-items:center;gap:9px;color:var(--muted-strong);font-size:13px;font-family:var(--font-mono)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px color-mix(in srgb,var(--success) 15%,transparent)}.mock-window{overflow:hidden;margin-top:16px;border-radius:var(--radius-lg);background:var(--bg-subtle);box-shadow:var(--shadow-ring)}.mock-toolbar{display:flex;gap:6px;padding:12px;border-bottom:1px solid var(--border)}.mock-toolbar span{width:10px;height:10px;border-radius:50%;background:var(--border)}.mock-canvas{position:relative;min-height:220px;display:grid;place-items:center;background:linear-gradient(90deg,color-mix(in srgb,var(--border) 70%,transparent) 1px,transparent 1px),linear-gradient(180deg,color-mix(in srgb,var(--border) 70%,transparent) 1px,transparent 1px),var(--surface-solid);background-size:34px 34px}.watermark-line{position:absolute;transform:rotate(-24deg);color:color-mix(in srgb,var(--fg) 26%,transparent);font-family:var(--font-mono);font-size:28px;font-weight:800;letter-spacing:.14em}.watermark-line.second{margin-top:76px;font-family:var(--font-sans);font-size:18px;letter-spacing:.05em}.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 0}.hero-metrics div{padding:14px;border-radius:var(--radius-md);background:var(--bg-subtle);box-shadow:var(--shadow-ring)}.hero-metrics dt{font-family:var(--font-mono);font-size:24px;font-weight:800;line-height:1}.hero-metrics dd{margin:7px 0 0;color:var(--muted);font-size:12px}.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:56px}.trust-card{padding:22px;border-radius:var(--radius-lg);background:var(--surface-solid);box-shadow:var(--shadow-card)}.trust-icon{display:inline-flex;margin-bottom:18px;color:var(--accent);font-family:var(--font-mono);font-size:12px;font-weight:700}.trust-card h2{font-size:22px;line-height:1.15;letter-spacing:-.04em}.trust-card p{margin:12px 0 0;color:var(--muted-strong);line-height:1.72}.workspace-section{padding:28px;border-radius:34px;background:color-mix(in srgb,var(--bg-subtle) 82%,var(--bg));box-shadow:var(--shadow-ring)}.section-heading{display:grid;gap:6px;margin-bottom:22px}.section-heading h2{max-width:820px;font-size:clamp(28px,4vw,46px);line-height:1.08}.section-subtitle{margin:0;color:var(--muted-strong);font-family:var(--font-mono);font-size:13px;font-weight:650}.workspace{display:grid;grid-template-columns:430px minmax(0,1fr);gap:18px;align-items:start}.panel{background:var(--surface-solid);border-radius:var(--radius-xl);box-shadow:var(--shadow-card)}.controls,.files{padding:22px}.panel-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:22px}.panel-heading h3{font-size:22px;line-height:1.1}.panel-heading p{margin:5px 0 0;color:var(--muted);line-height:1.5}.step-badge{display:grid;place-items:center;flex:0 0 auto;width:30px;height:30px;border-radius:50%;color:var(--bg);background:var(--fg);font-family:var(--font-mono);font-size:13px;font-weight:700}label{display:grid;gap:8px;margin-bottom:16px;color:var(--muted-strong);font-size:13px;font-weight:700}input,select,textarea{width:100%;min-height:44px;border:0;border-radius:var(--radius-md);padding:12px 13px;background:var(--surface-solid);color:var(--fg);font:inherit;box-shadow:var(--shadow-ring);outline:none}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}textarea{resize:vertical;min-height:94px;line-height:1.6}input[type=range]{min-height:auto;padding:0;box-shadow:none;accent-color:var(--fg)}input[type=color]{padding:5px;height:46px}.file-pick{gap:7px;padding:14px;border-radius:var(--radius-md);background:var(--bg-subtle);box-shadow:var(--shadow-ring);cursor:pointer}.file-pick input{display:none}.file-pick strong{display:inline-flex;align-items:center;justify-content:center;min-height:38px;width:fit-content;padding:0 13px;border-radius:var(--radius-sm);color:var(--fg);background:var(--surface-solid);box-shadow:var(--shadow-ring);font-size:13px}.file-pick small{color:var(--muted);font-weight:500;line-height:1.5}.grid{display:grid;gap:14px}.grid.two{grid-template-columns:1fr 1fr}.actions{display:grid;grid-template-columns:1fr .42fr;gap:12px;margin-top:8px}.dropzone{place-items:center;min-height:206px;padding:32px;text-align:center;cursor:pointer;border:1px dashed color-mix(in srgb,var(--accent) 46%,var(--border));border-radius:var(--radius-xl);background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 6%,var(--bg)),var(--surface-solid));transition:transform .16s ease,background .16s ease,border-color .16s ease}.dropzone input{display:none}.dropzone span{color:var(--fg);font-size:20px;font-weight:720;letter-spacing:-.03em}.dropzone small{max-width:42ch;color:var(--muted);line-height:1.6}.dropzone.dragging{transform:scale(1.01);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--bg))}.summary{margin:16px 0;color:var(--muted-strong);font-family:var(--font-mono);font-size:13px;font-weight:700}.preview{display:grid;gap:12px}.canvas-preview,.empty-preview{width:100%;border-radius:var(--radius-lg);background:var(--surface-solid);box-shadow:var(--shadow-ring)}.canvas-preview{height:auto;max-height:520px;object-fit:contain}.empty-preview{min-height:220px;display:grid;place-items:center;padding:20px;color:var(--muted);text-align:center}.result-actions{display:grid;gap:10px;margin-top:16px}.download{width:100%;min-height:46px;color:var(--bg);background:var(--success);box-shadow:var(--shadow-ring)}.log{max-height:220px;overflow:auto;margin:16px 0 0;padding:14px;white-space:pre-wrap;color:color-mix(in srgb,var(--bg) 88%,var(--accent));background:var(--fg);border-radius:var(--radius-lg);font-family:var(--font-mono);font-size:12px;line-height:1.65}.log:empty{display:none}output{color:var(--accent);font-family:var(--font-mono);font-weight:800}@media(max-width:980px){.app-shell{width:min(100% - 24px,760px);padding-top:10px}.topbar{top:8px;margin-bottom:28px}.nav-links{display:none}.hero{grid-template-columns:1fr;padding-bottom:42px}h1{max-width:11ch}.trust-grid,.workspace{grid-template-columns:1fr}.workspace-section{padding:16px;border-radius:24px}.section-heading{display:grid}}@media(max-width:560px){.app-shell{width:min(100% - 18px,520px)}.brand span:last-child{display:none}h1{font-size:clamp(42px,14vw,64px)}.hero-actions,.grid.two,.actions,.hero-metrics{grid-template-columns:1fr;display:grid}.btn{width:100%}.controls,.files{padding:18px}.dropzone{min-height:170px;padding:24px}}