:root{--bg: #0d1117;--surface: #161b22;--surface-2: #21262d;--border: rgba(240, 246, 252, .1);--text: #e6edf3;--text-muted: #8b949e;--accent: #64ffda;--accent-dim: rgba(100, 255, 218, .12);--header-c: #ff7b9c;--payload-c: #a5d6ff;--sig-c: #d2a8ff;--ok: #3fb950;--bad: #f85149;--warn: #d29922;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg);background-image:radial-gradient(circle at 50% -10%,rgba(100,255,218,.07),transparent 55%);color:var(--text);font-family:var(--font-sans);line-height:1.6;min-height:100vh;min-height:100dvh}.page{max-width:1080px;margin:0 auto;padding:40px 24px 32px}.masthead{text-align:center;margin-bottom:32px}.masthead h1{font-family:var(--font-mono);font-size:2rem;font-weight:700;letter-spacing:-.5px}.masthead .brace{color:var(--accent)}.subtitle{margin-top:10px;color:var(--text-muted);font-size:.95rem}.subtitle .accent{color:var(--accent)}.layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}@media (max-width: 800px){.layout{grid-template-columns:1fr}}.panel{background-color:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;min-height:220px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.panel-head label{font-family:var(--font-mono);font-size:.85rem;color:var(--text-muted)}.panel-actions{display:flex;gap:8px}.token-input{width:100%;min-height:200px;resize:vertical;background-color:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font-mono);font-size:.85rem;line-height:1.5;padding:12px;word-break:break-all}.token-input:focus{outline:none;border-color:var(--accent)}.token-preview{margin-top:14px;font-family:var(--font-mono);font-size:.82rem;line-height:1.7;word-break:break-all;background-color:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px}.seg-header{color:var(--header-c)}.seg-payload{color:var(--payload-c)}.seg-sig{color:var(--sig-c)}.token-preview .dot{color:var(--text-muted)}button{cursor:pointer;font-family:var(--font-mono);border-radius:6px;transition:all .2s ease}button:disabled{opacity:.4;cursor:not-allowed}.ghost,.copy{background:transparent;border:1px solid var(--border);color:var(--text-muted);font-size:.75rem;padding:4px 10px}.ghost:hover:not(:disabled),.copy:hover{border-color:var(--accent);color:var(--accent)}.primary{background-color:var(--accent-dim);border:1px solid var(--accent);color:var(--accent);font-size:.82rem;font-weight:600;padding:8px 16px}.primary:hover:not(:disabled){background-color:#64ffda33}.empty{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;min-height:180px;text-align:center;color:var(--text)}.muted{color:var(--text-muted)}.error{color:var(--bad);font-family:var(--font-mono);font-size:.88rem;padding:12px;background:#f851491a;border:1px solid rgba(248,81,73,.3);border-radius:8px}.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.pill{font-family:var(--font-mono);font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.4px}.pill.alg{background:var(--surface-2);color:var(--text-muted)}.state-valid{background:#3fb95026;color:var(--ok)}.state-expired{background:#f8514926;color:var(--bad)}.state-not-yet-valid{background:#d2992226;color:var(--warn)}.state-unknown{background:var(--surface-2);color:var(--text-muted)}.block{margin-bottom:18px}.block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.block-title{font-family:var(--font-mono);font-size:.85rem;font-weight:600}.title-header{color:var(--header-c)}.title-payload{color:var(--payload-c)}.title-sig{color:var(--sig-c)}.json{background-color:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px;font-family:var(--font-mono);font-size:.82rem;line-height:1.55;white-space:pre-wrap;word-break:break-word;overflow-x:auto}.json.sig{color:var(--sig-c)}.claims{width:100%;border-collapse:collapse;font-size:.84rem}.claims td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}.claims tr:last-child td{border-bottom:none}.claim-key{white-space:nowrap}.claim-key code{font-family:var(--font-mono);color:var(--accent)}.claim-label{display:block;font-size:.72rem;color:var(--text-muted)}.claim-val{font-family:var(--font-mono);word-break:break-word}.verify{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:10px}.secret-input{flex:1 1 200px;background-color:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-family:var(--font-mono);font-size:.82rem;padding:8px 10px}.secret-input:focus{outline:none;border-color:var(--accent)}.verify-result{font-family:var(--font-mono);font-size:.82rem;flex-basis:100%}.vr-valid{color:var(--ok)}.vr-invalid{color:var(--bad)}.vr-error{color:var(--warn)}.note{margin-top:10px;font-size:.82rem}.note code{font-family:var(--font-mono);color:var(--accent)}.footer{margin-top:36px;padding-top:18px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted)}.footer a{color:var(--accent);text-decoration:none}.footer a:hover{text-decoration:underline}