:root{--red: #e2001a;--red-dark: #b80016;--ink: #111418;--muted: #5b6470;--line: #e3e6ea;--bg: #f5f6f8;--card: #ffffff;--input-bg: #ffffff;--show-light: block;--show-dark: none;--ok: #1a7f37;--link: #3f6493;--warn-bg: #fff7e6;--warn-line: #ffd591;--warn-ink: #8a6d3b;--error-bg: #fdecee;--error-line: #f7c4ca;--error-ink: #b80016;--danger-bg: #ffffff;--danger-line: #f7c4ca;--radius: 12px;--shadow: 0 1px 2px rgba(17, 20, 24, .06), 0 8px 24px rgba(17, 20, 24, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}:root[data-theme=dark]{--red: #ff3b54;--red-dark: #ff5e72;--ink: #e6e9ee;--muted: #9aa4b2;--line: #2a2f37;--bg: #0e1116;--card: #161b22;--input-bg: #0e1116;--show-light: none;--show-dark: block;--ok: #4ac26b;--link: #7fa6cf;--warn-bg: #2a2410;--warn-line: #5c4d1f;--warn-ink: #e3c878;--error-bg: #2a1416;--error-line: #5c2026;--error-ink: #ff8a98;--danger-bg: #161b22;--danger-line: #5c2026;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5)}@media(prefers-color-scheme:dark){:root:not([data-theme]){--red: #ff3b54;--red-dark: #ff5e72;--ink: #e6e9ee;--muted: #9aa4b2;--line: #2a2f37;--bg: #0e1116;--card: #161b22;--input-bg: #0e1116;--show-light: none;--show-dark: block;--ok: #4ac26b;--warn-bg: #2a2410;--warn-line: #5c4d1f;--warn-ink: #e3c878;--error-bg: #2a1416;--error-line: #5c2026;--error-ink: #ff8a98;--danger-bg: #161b22;--danger-line: #5c2026;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .5)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5}.page{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);cursor:pointer;flex:none}.theme-toggle:hover{border-color:var(--red);color:var(--red)}.theme-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px #e2001a2e}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}.logo{height:30px;width:auto}.logo-light{display:var(--show-light)}.logo-dark{display:var(--show-dark)}.brand-divider{width:1px;height:22px;background:var(--line)}.brand-sub{font-weight:600;font-size:15px;color:var(--muted);letter-spacing:.01em;line-height:1}.content{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:48px 20px}.card{background:var(--card);width:100%;max-width:560px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}h1{font-size:24px;margin:0 0 8px;letter-spacing:-.01em}.muted{color:var(--muted);margin:0 0 24px}.seg{display:flex;gap:4px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:4px;margin-bottom:20px}.seg-btn{flex:1;border:0;background:transparent;padding:9px 12px;border-radius:7px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}.seg-btn.active{background:var(--card);color:var(--ink);box-shadow:0 1px 2px #00000014}.field{display:block;margin-bottom:18px}.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:15px;font-family:inherit;background:var(--input-bg);color:var(--ink)}.input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px #e2001a1f}.textarea{resize:vertical;min-height:96px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.slider-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.slider-head>span:first-child{font-size:13px;font-weight:600}.slider-val{font-size:14px;font-weight:700;color:var(--red)}.slider{width:100%;height:6px;margin:6px 0 2px;accent-color:var(--red);cursor:pointer}.expiry-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}.unit-toggle{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:2px;flex:none}.unit-btn{border:0;background:transparent;padding:4px 12px;border-radius:6px;font-size:12px;font-weight:600;color:var(--muted);cursor:pointer}.unit-btn.active{background:var(--card);color:var(--ink);box-shadow:0 1px 2px #00000014}.expiry-foot .hint{margin:0;text-align:right}.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:18px;cursor:pointer}.check input{margin-top:3px;accent-color:var(--red)}.hint{display:block;color:var(--muted);font-size:12px;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:11px 18px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark)}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{background:var(--bg)}.btn-block{width:100%}.btn-spaced{margin-top:10px}.btn-danger{background:var(--danger-bg);border-color:var(--danger-line);color:var(--error-ink)}.btn-danger:hover{background:var(--error-bg)}.link-row{display:flex;gap:8px;margin-bottom:16px}.link-input{flex:1;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:ui-monospace,SF Mono,Menlo,monospace;background:var(--bg);color:var(--ink)}.secret-reveal{position:relative;margin:0 0 16px}.secret-reveal.is-blurred{cursor:pointer}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;margin:4px 0 16px}.qr{width:168px;height:168px;background:#fff;padding:10px;border-radius:10px;border:1px solid var(--line)}.qr svg{display:block;width:100%;height:100%}.secret-out{background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:16px;word-break:break-all;margin:0;text-align:center}.is-blurred .secret-out{filter:blur(7px);user-select:none;pointer-events:none}.deblur-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink);background:#0000000a;border-radius:9px}:root[data-theme=dark] .deblur-hint{background:#ffffff0d}@media(prefers-color-scheme:dark){:root:not([data-theme]) .deblur-hint{background:#ffffff0d}}@font-face{font-family:Anonymous Pro;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/anonymous-pro-400.woff2) format("woff2")}.secret-pre{white-space:pre-wrap;font-family:Anonymous Pro,Courier New,Courier,Lucida Console,monospace;font-size:16px;letter-spacing:.06em}.secret-digit{color:var(--red)}.secret-out a{color:var(--link)}.actions{display:flex;gap:8px;margin-bottom:12px}.error{color:var(--error-ink);background:var(--error-bg);border:1px solid var(--error-line);border-radius:9px;padding:10px 12px;font-size:14px;margin:0 0 16px}.note{color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:13px;margin:4px 0 16px;text-align:center}.note strong{color:var(--ink)}.warn{color:var(--warn-ink);background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:9px;padding:10px 12px;font-size:13px;margin:4px 0 16px}code{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.9em}.footer{text-align:center;padding:24px 20px 40px;color:var(--muted);font-size:13px}.footer-links{margin-top:8px}.footer-links a,.prose-back a{color:var(--muted);text-decoration:underline}.footer-links a:hover,.prose-back a:hover{color:var(--ink)}.prose{text-align:left;line-height:1.55}.prose h1{margin-top:0}.prose h2{font-size:16px;margin:22px 0 8px}.prose ul{padding-left:20px;margin:8px 0}.prose li{margin:6px 0}.prose code{font-family:Anonymous Pro,Courier New,monospace;background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:0 4px}.prose-back{margin-top:24px}@media(max-width:520px){.card{padding:24px 20px}.grid-2{grid-template-columns:1fr}}