:root{--bg:#0b0d12;--panel:#11151d;--panel2:#151a23;--line:#252c38;--text:#f4f7fb;--muted:#9aa5b5;--accent:#8ea8ff;--good:#55d6a2;--danger:#ff7f8f;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg)}body{color:var(--text);background:radial-gradient(circle at 70% -10%,#17213a 0,#0b0d12 38%)}button,input,textarea,select{font:inherit}button{cursor:pointer}.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:14px;position:sticky;top:0;background:#0b0d12e6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);z-index:10}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:800}.mark{display:grid;place-items:center;width:31px;height:31px;border:1px solid #48536a;border-radius:9px;background:#161d2b;color:#b9c8ff}.subbrand{color:var(--muted);font-size:13px;border-left:1px solid var(--line);padding-left:14px}.mobile-menu{display:none;margin-left:auto;background:#121720;color:#dce4f2;border:1px solid var(--line);border-radius:9px;padding:8px 11px}.layout{display:grid;grid-template-columns:270px minmax(0,1fr);max-width:1500px;margin:auto;min-height:calc(100vh - 68px)}.sidebar{border-right:1px solid var(--line);padding:24px 14px}.sidebar-title{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:#667184;padding:0 12px 12px}.tool-link{display:block;width:100%;text-align:left;color:var(--muted);background:transparent;border:1px solid transparent;border-radius:10px;padding:10px 12px;margin:3px 0}.tool-link:hover{background:#111720;color:#fff}.tool-link.active{background:#151d2c;border-color:#2c3a56;color:#fff;box-shadow:inset 2px 0 var(--accent)}.tool-link strong,.tool-link small{display:block}.tool-link strong{font-size:13px}.tool-link small{font-size:11px;margin-top:3px;opacity:.65;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main{padding:42px clamp(20px,4vw,58px) 56px;max-width:1080px;width:100%;margin:auto}.crumb{font-size:12px;color:#697588;margin-bottom:28px}.crumb span{padding:0 8px;color:#3f4754}.eyebrow{display:inline-flex;color:#aabaff;background:#151d2d;border:1px solid #2a3855;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}.hero h1{font-size:clamp(32px,5vw,54px);letter-spacing:-.045em;line-height:1.03;margin:15px 0 10px}.hero p{color:var(--muted);max-width:700px;line-height:1.65;margin:0 0 32px}.card{background:#11151de0;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 25px 80px #00000038}.card-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}.card-heading h2{margin:0;font-size:17px}.card-heading p{margin:5px 0 0;color:var(--muted);font-size:13px}.local{display:inline-flex;align-items:center;justify-content:center;gap:5px;height:34px;line-height:1;font-size:11px;color:var(--good);white-space:nowrap;background:#10221c;border:1px solid #1d4b3d;border-radius:999px;padding:0 11px}.controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.controls label{display:flex;flex-direction:column;gap:7px;color:#cdd5e2;font-size:12px;font-weight:650}.controls label.wide{grid-column:1/-1}.controls input,.controls textarea,.controls select{width:100%;border:1px solid var(--line);background:#0c1017;color:var(--text);border-radius:10px;padding:11px 12px;outline:none}.controls textarea{min-height:120px;resize:vertical;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}.controls input:focus,.controls textarea:focus,.controls select:focus,.result:focus{border-color:#4d6599;box-shadow:0 0 0 3px #7c9cff14}.check-group{display:flex;flex-wrap:wrap;gap:8px;align-items:end}.check-group label{flex-direction:row;align-items:center;background:#0d121a;border:1px solid var(--line);padding:9px 10px;border-radius:9px;font-weight:500}.check-group input{width:auto;accent-color:var(--accent)}.actions{display:flex;gap:9px;margin:22px 0 20px}.primary,.secondary,.small{border-radius:9px;padding:10px 15px;font-weight:700}.primary{background:#e9efff;color:#101523;border:0}.primary:hover{background:#fff}.primary:disabled{opacity:.6;cursor:wait}.secondary,.small{background:#151a23;color:#d7deea;border:1px solid var(--line)}.secondary:hover,.small:hover{border-color:#45516a}.result-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:12px}.result-heading div{display:flex;gap:7px}.small{font-size:11px;padding:7px 10px}.result{display:block;width:100%;min-height:230px;resize:vertical;background:#080b10;color:#dce5f6;border:1px solid var(--line);border-radius:11px;padding:14px;font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;outline:none}.status{font-size:11px;color:#68758a;margin-top:8px;min-height:16px}.info{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}.info article{border:1px solid var(--line);background:#10141b;border-radius:15px;padding:20px}.info h2{font-size:14px;margin:0 0 9px}.info p{font-size:12px;color:var(--muted);line-height:1.7;margin:0}.info strong{color:#dfe7f3}details{border-top:1px solid var(--line);padding:11px 0;color:var(--muted);font-size:12px}details:first-of-type{border-top:0}summary{cursor:pointer;color:#dce3ef;font-weight:650}details p{padding-top:8px}footer{max-width:1500px;margin:auto;border-top:1px solid var(--line);padding:20px 28px;color:#667184;font-size:12px;display:flex;justify-content:space-between}footer a{color:#aebeff;text-decoration:none;margin-left:4px}.hidden{display:none!important}.toast{position:fixed;right:20px;bottom:20px;transform:translateY(20px);opacity:0;pointer-events:none;padding:11px 14px;border:1px solid #2d394c;background:#171d28;color:#eaf0fa;border-radius:10px;font-size:12px;box-shadow:0 12px 35px #0008;transition:.2s;z-index:30}.toast.show{transform:none;opacity:1}.toast.error{border-color:#61303a;color:#ffdce1}.fatal{min-height:100vh;display:grid;place-items:center;padding:24px}.fatal-box{max-width:650px;width:100%;border:1px solid var(--line);background:#11151d;border-radius:18px;padding:30px}.fatal-box h1{font-size:32px}.fatal-box p{color:var(--muted)}.fatal-box pre{white-space:pre-wrap;background:#080b10;border:1px solid var(--line);padding:14px;border-radius:10px;color:#ffb8c0;font-size:12px}@media(max-width:850px){.layout{display:block}.sidebar{display:none;position:fixed;top:68px;bottom:0;left:0;width:min(310px,90vw);background:#0d1118;z-index:20;overflow:auto;box-shadow:20px 0 60px #0008}.sidebar.open,.mobile-menu{display:block}.main{padding-top:28px}.controls,.info{grid-template-columns:1fr}.controls label.wide{grid-column:auto}.local{display:none}}@media(max-width:560px){.topbar{padding:0 16px}.subbrand{display:none}.main{padding:22px 14px 42px}.card{padding:17px;border-radius:14px}.hero h1{font-size:34px}.actions{flex-direction:column}.primary,.secondary{width:100%}.result-heading{align-items:flex-start;gap:10px;flex-direction:column}.result-heading>div{width:100%}.result-heading .small{flex:1}.info{margin-top:14px}footer{padding:18px 16px;gap:10px;flex-direction:column}}