:root{--bg:#f8fafc;--surface:#ffffff;--fg:#0f172a;--fg-muted:#64748b;--border:#e2e8f0;--border-strong:#cbd5e1;--primary:#0f172a;--on-primary:#ffffff;--ring:#2563eb;--success-bg:#f0fdf4;--success-border:#86efac;--success-fg:#15803d;--error-bg:#fef2f2;--error-border:#fca5a5;--error-fg:#b91c1c;--info-bg:#eff6ff;--info-border:#bfdbfe;--info-fg:#1d4ed8;--radius:10px;--gap:8px}@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--surface:#131c2e;--fg:#e8eef8;--fg-muted:#93a3b8;--border:#263449;--border-strong:#35486a;--primary:#2563eb;--on-primary:#ffffff;--ring:#60a5fa;--success-bg:#10241a;--success-border:#1f7a4d;--success-fg:#6ee7a8;--error-bg:#2a1416;--error-border:#9b3540;--error-fg:#fca5a5;--info-bg:#101f38;--info-border:#2b4d80;--info-fg:#93c5fd}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}.wrap{max-width:32rem;margin:0 auto;padding:clamp(2rem,6vw,4rem) 1.25rem 4rem}.head{margin-bottom:1.75rem}h1{font-size:1.5rem;font-weight:650;letter-spacing:-.01em;margin:0 0 .375rem}.sub{color:var(--fg-muted);margin:0;max-width:42ch}form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;gap:1.5rem}.field,form{display:flex;flex-direction:column}.field{gap:.5rem}.field>.label,.field>label{font-size:.875rem;font-weight:600}.hint{font-size:.8125rem;color:var(--fg-muted);margin:0}.key-input{display:flex;gap:var(--gap)}.key-input input{flex:1 1;min-width:0;font-size:16px;min-height:44px;padding:.5rem .75rem;color:var(--fg);background:var(--bg);border:1px solid var(--border-strong);border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.key-input input::placeholder{color:var(--fg-muted)}button{font:inherit;cursor:pointer;border-radius:8px;transition:background-color .18s ease,border-color .18s ease,color .18s ease}.ghost{min-height:44px;padding:0 .875rem;font-size:.875rem;font-weight:600;color:var(--fg-muted);background:transparent;border:1px solid var(--border-strong)}.ghost:hover{color:var(--fg);background:var(--bg)}.primary{display:flex;align-items:center;justify-content:center;gap:var(--gap);min-height:48px;padding:0 1rem;font-size:1rem;font-weight:600;color:var(--on-primary);background:var(--primary);border:1px solid transparent}.primary:hover:not(:disabled){opacity:.9}.primary:disabled{opacity:.45;cursor:not-allowed}.primary svg{width:18px;height:18px;flex:none}.linklike{padding:0;color:var(--fg-muted);background:none;border:0;font-size:inherit;text-decoration:underline;text-underline-offset:2px}.drop,.linklike:hover{color:var(--fg)}.drop{display:flex;flex-direction:column;align-items:center;gap:.25rem;width:100%;padding:2rem 1rem;text-align:center;background:var(--bg);border:1.5px dashed var(--border-strong);border-radius:var(--radius)}.drop.dragging,.drop:hover{border-color:var(--ring);background:var(--surface)}.drop.filled{border-style:solid}.drop-icon{display:block;color:var(--fg-muted);margin-bottom:.25rem}.drop-icon svg{width:28px;height:28px}.drop.filled .drop-icon{color:var(--ring)}.drop-title{font-weight:600;max-width:100%;overflow-wrap:anywhere}.drop-meta{font-size:.8125rem;color:var(--fg-muted)}.status-region{min-height:3.5rem;margin-top:1.25rem}.status{display:flex;align-items:flex-start;gap:.625rem;padding:.875rem 1rem;border:1px solid;border-radius:var(--radius);font-size:.9375rem}.status-icon svg{width:18px;height:18px;display:block;margin-top:2px}.status.success{color:var(--success-fg);background:var(--success-bg);border-color:var(--success-border)}.status.error{color:var(--error-fg);background:var(--error-bg);border-color:var(--error-border)}.status.info{color:var(--info-fg);background:var(--info-bg);border-color:var(--info-border)}:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.spinner{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.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}