:root{--primary:#000000;--on-primary:#ffffff;--ink:#000000;--ink-deep:#090909;--charcoal:#525252;--body:#737373;--mute:#a3a3a3;--canvas:#ffffff;--surface-soft:#fafafa;--surface-dark:#171717;--hairline:#e5e5e5;--hairline-strong:#d4d4d4;--focus-ring:rgba(59,130,246,0.5);--terminal-red:#ff5f56;--terminal-yellow:#ffbd2e;--terminal-green:#27c93f;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-full:9999px;--font-rounded:"SF Pro Rounded",ui-rounded,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--canvas);color:var(--body);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{font-family:var(--font-rounded);margin:0}a,h1,h2,h3{color:var(--ink)}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.page{min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:56px 20px 32px;background:radial-gradient(115% 55% at 50% -8%,#f5f6f7 0,var(--canvas) 58%)}.container{width:100%;max-width:640px}.hero{text-align:center;margin-bottom:40px}.hero h1{font-size:36px;font-weight:500;line-height:1.11;margin-bottom:12px}.hero p{margin:0 auto;max-width:480px;color:var(--body);font-size:16px}.brand-mark{display:block;width:64px;height:64px;margin:0 auto 16px;border-radius:15px;box-shadow:0 10px 24px -10px rgba(0,0,0,.4),0 2px 6px -2px rgba(0,0,0,.16)}.hero .eyebrow{margin:0 0 10px;max-width:none;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}.card{background:var(--canvas);border:1px solid var(--hairline);border-radius:16px;padding:28px 24px 24px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 18px 40px -24px rgba(0,0,0,.22)}.field{margin-bottom:24px;border:0;padding:0;margin-inline:0}.field:last-of-type{margin-bottom:20px}.field-label{display:block;font-size:14px;font-weight:500;color:var(--ink);margin-bottom:8px}.segmented{display:inline-flex;flex-wrap:wrap;gap:4px;width:100%;background:var(--surface-soft);border-radius:var(--r-full);padding:4px}.segment{flex:1 1 auto;min-width:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;background:transparent;color:var(--body);font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:1;padding:9px 16px;border-radius:var(--r-full);cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background-color .12s ease,color .12s ease}.segment:hover{color:var(--ink)}.segment[aria-pressed=true]{background:var(--canvas);border-color:var(--hairline-strong);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:var(--primary);color:var(--on-primary);font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:1;height:46px;padding:0 20px;border-radius:var(--r-full);cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.16),0 10px 22px -10px rgba(0,0,0,.5);transition:background-color .12s ease,transform .08s ease,box-shadow .16s ease}.btn-primary:hover:not(:disabled){background:var(--ink-deep);transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.18),0 16px 28px -12px rgba(0,0,0,.55)}.btn-primary:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,.16)}.btn-primary:disabled{background:var(--surface-soft);color:var(--mute);cursor:not-allowed;box-shadow:none}.btn-icon{flex:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--canvas);color:var(--ink);border:1px solid var(--hairline-strong);font-family:var(--font-sans);font-size:14px;font-weight:500;line-height:1;height:36px;padding:0 16px;border-radius:var(--r-full);cursor:pointer;transition:background-color .12s ease}.btn-secondary:hover{background:var(--surface-soft)}.spinner{width:14px;height:14px;border:2px solid;border-right:2px solid transparent;border-radius:var(--r-full);animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:1.5s}}.error{margin-top:16px;padding:12px 16px;background:var(--surface-soft);color:var(--charcoal);font-size:14px}.error,.modal{border:1px solid var(--hairline);border-radius:var(--r-lg)}.modal{margin:auto;width:calc(100vw - 32px);max-width:640px;max-height:calc(100dvh - 48px);padding:0;background:var(--canvas);color:var(--body);overflow:hidden;box-shadow:0 24px 60px -16px rgba(0,0,0,.4)}.modal::-webkit-backdrop{background:rgba(9,9,9,.42)}.modal::backdrop{background:rgba(9,9,9,.42)}.modal-inner{display:flex;flex-direction:column;max-height:calc(100dvh - 48px);padding:24px;overflow-y:auto}.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.modal-close{flex:none;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--hairline-strong);background:var(--canvas);color:var(--ink);border-radius:var(--r-full);font-size:13px;line-height:1;cursor:pointer;transition:background-color .12s ease}.modal-close:hover{background:var(--surface-soft)}.result-title{font-size:18px;font-weight:600}.result-file{display:inline-block;margin-top:4px;font-family:var(--font-mono);font-size:12px;color:var(--mute);word-break:break-all}.terminal{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}.terminal-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--hairline)}.dot{width:12px;height:12px;border-radius:var(--r-full)}.dot-r{background:var(--terminal-red)}.dot-y{background:var(--terminal-yellow)}.dot-g{background:var(--terminal-green)}.terminal pre{margin:0;padding:16px;max-height:min(360px,52dvh);overflow:auto;font-family:var(--font-mono);font-size:13px;line-height:1.5;color:var(--ink);white-space:pre;-moz-tab-size:2;tab-size:2}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.guide-card{margin-top:16px;background:var(--surface-soft);border:1px solid var(--hairline);border-radius:16px;padding:22px 24px}.modal-inner .guide{margin-top:20px;padding-top:18px;border-top:1px solid var(--hairline)}.guide-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px}.guide-steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:7px;font-size:13.5px;line-height:1.5;color:var(--charcoal)}.guide-steps li::marker{color:var(--mute);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.guide-link{display:inline-block;margin-top:12px;font-size:13px;font-weight:500;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hairline-strong);padding-bottom:1px}.guide-link:hover{border-bottom-color:var(--ink)}.footer{margin-top:auto;padding-top:56px;display:flex;flex-direction:column;gap:12px;font-size:12px}.footer,.footer-link{align-items:center;color:var(--mute)}.footer-link{display:inline-flex;justify-content:center;transition:color .12s ease,transform .12s ease}.footer-link:hover{color:var(--ink);transform:translateY(-1px)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}