:root{--ink:#121315;--muted:#6f737b;--paper:#f2f1ed;--card:#fff;--line:#d7d7d2;--lime:#d8ff52;--blue:#4a66ff;--night:#15161a;--radius:18px;--shadow:0 18px 55px rgba(20,21,24,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.5}.noise{position:fixed;inset:0;opacity:.035;pointer-events:none;z-index:10;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}.topbar{height:76px;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(242,241,237,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:42px;height:42px;background:var(--ink);border-radius:12px;transform:rotate(-5deg)}.brand-mark img{width:26px;height:26px}.brand strong{display:block;font-size:19px;letter-spacing:-.04em}.brand small{display:block;font-size:10px;letter-spacing:.2em;color:var(--muted)}.top-status{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}.pulse{width:8px;height:8px;background:#67cb52;border-radius:50%;box-shadow:0 0 0 4px rgba(103,203,82,.14)}.menu-button{display:none}.app-shell{display:grid;grid-template-columns:250px 1fr;max-width:1480px;margin:0 auto;min-height:calc(100vh - 76px)}.sidebar{position:sticky;top:76px;height:calc(100vh - 76px);padding:42px 24px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column}.nav-label{font-size:11px;letter-spacing:.18em;color:var(--muted);margin:0 10px 16px}.nav-item{width:100%;border:0;background:transparent;color:var(--ink);display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:4px;text-align:left;padding:13px 10px;border-radius:12px;cursor:pointer;font:inherit;margin-bottom:4px}.nav-item span{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.nav-item b{font-size:14px;font-weight:590}.nav-item em{font:9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:var(--muted)}.nav-item:hover{background:#e7e6e1}.nav-item.active{background:var(--ink);color:#fff}.nav-item.active span,.nav-item.active em{color:var(--lime)}.side-foot{display:flex;justify-content:space-between;margin-top:auto;font:10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);padding:0 10px}.workspace{padding:56px clamp(28px,5vw,78px) 100px;min-width:0}.tool-panel{display:none;animation:reveal .35s ease}.tool-panel.active{display:block}@keyframes reveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}.eyebrow{font:11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.16em;color:var(--blue);font-weight:700}.panel-head h1{font-size:clamp(38px,5vw,68px);line-height:.96;letter-spacing:-.06em;margin:10px 0 16px;max-width:800px}.panel-head p{margin:0;color:var(--muted);font-size:16px}.live-clock{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--line);padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.6);white-space:nowrap}.grid{display:grid;gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.code-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.accent-card{box-shadow:inset 0 4px 0 var(--lime),var(--shadow)}.dark-card{background:var(--night);color:#fff;border-color:var(--night)}.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.card-title h2{font-size:17px;margin:0;letter-spacing:-.02em}.card-title span,.code-card>div>span{font:10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;color:var(--muted)}label{display:grid;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}input,select,textarea{width:100%;border:1px solid var(--line);background:#f8f8f6;color:var(--ink);border-radius:11px;padding:12px 14px;font:15px ui-monospace,SFMono-Regular,Menlo,monospace;outline:none;transition:.2s}textarea{resize:vertical;line-height:1.6}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(74,102,255,.11);background:#fff}button{font-family:inherit}.primary,.secondary,.ghost{border:0;border-radius:11px;padding:12px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.2s}.primary{background:var(--ink);color:#fff}.primary:hover{background:var(--blue);transform:translateY(-1px)}.secondary{background:var(--lime);color:var(--ink)}.secondary:hover{filter:brightness(.94)}.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}.button-row{display:flex;gap:10px}.result-stack{margin-top:22px;border-top:1px solid var(--line)}.result-line{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);min-width:0}.result-line>span{font-size:12px;color:var(--muted);width:44px}.result-line code{font:13px ui-monospace,SFMono-Regular,Menlo,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.result-line.wrap code{white-space:pre-wrap;overflow-wrap:anywhere}.copy{margin-left:auto;border:0;background:#eeede8;border-radius:8px;padding:7px 10px;font-size:12px;cursor:pointer;color:var(--ink);white-space:nowrap}.copy:hover{background:var(--lime)}.copy.inverse{background:#303136;color:#fff}.copy.inverse:hover{background:var(--lime);color:var(--ink)}.result-block{margin-top:24px;background:#f6f6f3;border-radius:12px;padding:18px;display:grid;gap:6px}.result-block span,.result-block small{color:var(--muted);font-size:12px}.result-block strong{font-size:18px}.field-grid{display:grid;gap:10px}.cron-fields{grid-template-columns:repeat(5,1fr)}.cron-fields label{text-align:center;margin-bottom:8px}.cron-fields input{text-align:center;padding:11px 6px}.cron-output{display:flex;align-items:center;gap:16px;background:#090a0c;border:1px solid #2e3037;border-radius:14px;padding:20px}.cron-output code{font:clamp(22px,3vw,36px) ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--lime);flex:1;white-space:nowrap}.cron-human{font-size:18px;margin:24px 0}.field-legend{display:grid;grid-template-columns:repeat(5,1fr);color:#969aa5;font-size:11px;text-align:center;border-top:1px solid #303238;padding-top:14px}.hint{color:#969aa5;font-size:13px;margin:22px 0 0}.hint code{color:var(--lime)}.jwt-results{margin-top:20px}.code-card{padding:0;overflow:hidden}.code-card>div{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:12px 16px;background:#f8f8f5}.code-card pre{margin:0;min-height:220px;max-height:420px;overflow:auto;padding:20px;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.notice{margin-top:18px;padding:14px 18px;border:1px solid #ded27a;background:#fffbd9;border-radius:12px;color:#68601c;font-size:13px}.mock-layout{grid-template-columns:280px minmax(0,1fr)}fieldset{border:1px solid var(--line);border-radius:12px;margin:0 0 18px;padding:12px}legend{font-size:12px;color:var(--muted);padding:0 5px}.check{display:flex;align-items:center;gap:9px;margin:0;padding:7px 4px;color:var(--ink);font-size:14px}.check input{width:17px;height:17px;accent-color:var(--ink)}.mock-output pre{min-height:500px}.password-layout{max-width:840px}.password-main{padding:30px}.password-display{background:var(--night);border-radius:16px;padding:22px;display:flex;align-items:center;gap:16px;margin-bottom:22px}.password-display code{color:var(--lime);font:clamp(17px,2.4vw,27px) ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere;flex:1}.strength{display:grid;grid-template-columns:90px 1fr 70px;align-items:center;gap:14px;font-size:12px;color:var(--muted);margin-bottom:28px}.strength>div{height:7px;border-radius:999px;background:#e5e5e1;overflow:hidden}.strength i{display:block;width:0;height:100%;background:var(--blue);transition:.3s}.strength em{text-align:right;font-style:normal}.range-label{grid-template-columns:1fr auto;align-items:center}.range-label input{grid-column:1/-1;accent-color:var(--blue);padding:0}.range-label b{color:var(--ink);font:24px ui-monospace,SFMono-Regular,Menlo,monospace}.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px 20px}.option-grid legend{grid-column:1/-1}.option-grid .wide{grid-column:1/-1}.large{width:100%;padding:15px}.toast{position:fixed;right:24px;bottom:24px;background:var(--ink);color:#fff;padding:12px 16px;border-radius:10px;box-shadow:var(--shadow);font-size:13px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.25s;z-index:50}.toast.show{opacity:1;transform:none}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:30;top:76px;left:0;bottom:0;width:280px;height:auto;background:var(--paper);transform:translateX(-100%);transition:.25s;box-shadow:20px 0 50px rgba(0,0,0,.13)}.sidebar.open{transform:none}.menu-button{display:block;border:1px solid var(--line);border-radius:9px;background:#fff;padding:8px 12px}.workspace{padding:42px 22px 80px}.grid.two,.mock-layout{grid-template-columns:1fr}.top-status{display:none}.panel-head{align-items:flex-start;flex-direction:column}.live-clock{order:-1}.mock-output pre{min-height:360px}}
@media(max-width:560px){.topbar{height:68px;padding:0 16px}.sidebar{top:68px}.workspace{padding:34px 14px 60px}.panel-head h1{font-size:42px}.card,.password-main{padding:18px;border-radius:14px}.cron-fields{grid-template-columns:repeat(3,1fr)}.cron-output{align-items:flex-start;flex-direction:column}.cron-output code{font-size:24px}.field-legend{display:none}.jwt-results{grid-template-columns:1fr}.option-grid{grid-template-columns:1fr}.option-grid .wide{grid-column:auto}.strength{grid-template-columns:1fr auto}.strength>div{grid-column:1/-1;grid-row:2}.password-display{align-items:flex-start;flex-direction:column}.topbar .brand small{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}