:root{
  --bg:#070b16;--panel:rgba(14,20,37,.84);--panel2:rgba(18,26,48,.82);
  --line:rgba(158,174,219,.14);--line2:rgba(158,174,219,.25);
  --text:#f0f4ff;--soft:#bcc7df;--muted:#8d9ab5;
  --violet:#9d8cff;--blue:#6da8ff;--cyan:#62e5ff;--green:#69edb9;
  --yellow:#ffd26a;--red:#ff718d;--radius:20px;--shadow:0 24px 80px rgba(0,0,0,.26)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:
radial-gradient(circle at 8% 0%,rgba(111,88,255,.18),transparent 34rem),
radial-gradient(circle at 92% 16%,rgba(60,175,255,.11),transparent 30rem),
linear-gradient(180deg,#070b16 0%,#0a1020 48%,#060a13 100%);
color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5;overflow-x:hidden}
button,input{font:inherit}button{color:inherit}.glow{position:fixed;width:28rem;height:28rem;border-radius:50%;filter:blur(120px);opacity:.08;pointer-events:none}.glow-a{left:-12rem;top:34rem;background:#795cff}.glow-b{right:-11rem;top:10rem;background:#57c7ff}
.shell{width:min(1480px,calc(100% - 36px));margin:0 auto;position:relative;z-index:1}.topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;border:1px solid rgba(157,140,255,.34);background:linear-gradient(145deg,rgba(157,140,255,.13),rgba(109,168,255,.09));color:#b7aaff;font-size:12px;font-weight:800;letter-spacing:.08em}.brand strong{display:block;font-size:12px;letter-spacing:.16em}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.top-actions{display:flex;gap:10px}
.ghost-btn,.primary-btn,.icon-btn{border:1px solid var(--line2);border-radius:11px;cursor:pointer;transition:.2s ease}.ghost-btn{padding:10px 14px;background:rgba(255,255,255,.02)}.ghost-btn:hover{background:rgba(255,255,255,.05);border-color:rgba(157,140,255,.42)}.primary-btn{padding:10px 15px;border:0;background:linear-gradient(135deg,#a393ff,#6db7ff);color:#080b16;font-weight:800;box-shadow:0 8px 24px rgba(115,113,255,.18)}.primary-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}.icon-btn{width:38px;height:38px;background:transparent;color:var(--muted);font-size:20px}.icon-btn:hover{color:var(--text);background:rgba(255,255,255,.04)}
.hero{padding:70px 0 48px;max-width:940px}.eyebrow,.kicker{font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:#a99cff;font-weight:800}.eyebrow{display:flex;align-items:center;gap:9px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(105,237,185,.08)}.hero h1{font-size:clamp(44px,5.2vw,76px);line-height:.98;letter-spacing:-.055em;margin:17px 0 22px}.hero h1 span{color:#91b8ff}.hero>p{color:var(--soft);max-width:780px;font-size:clamp(16px,1.5vw,19px);margin:0}.hero-note{margin-top:26px;display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:12px;padding:10px 13px;color:var(--muted);background:rgba(255,255,255,.018);font-size:11px}.hero-note p{margin:0}.hero-note>span{color:var(--violet)}
.workspace{display:grid;grid-template-columns:390px minmax(0,1fr);gap:18px;align-items:start}.panel{border:1px solid var(--line);background:linear-gradient(180deg,rgba(15,22,40,.88),rgba(10,16,30,.84));border-radius:var(--radius);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.controls{padding:22px;position:sticky;top:14px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.panel-head h2,.buffer-title h2{font-size:21px;letter-spacing:-.025em;margin:5px 0 0}.stress-list,.buffer-list{display:grid;gap:19px;margin-top:24px}.stress-head{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:11.5px;color:var(--soft);margin-bottom:9px}.stress-head output{color:#b9adff;font-variant-numeric:tabular-nums;font-weight:750}
input[type=range]{width:100%;height:4px;appearance:none;border-radius:999px;background:linear-gradient(90deg,rgba(157,140,255,.78),rgba(109,168,255,.62));outline:none}input[type=range]::-webkit-slider-thumb{appearance:none;width:17px;height:17px;border-radius:50%;background:#f0efff;border:4px solid #6558a8;box-shadow:0 0 0 4px rgba(157,140,255,.08);cursor:pointer}input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:#f0efff;border:4px solid #6558a8;box-shadow:0 0 0 4px rgba(157,140,255,.08);cursor:pointer}
.divider{height:1px;background:var(--line);margin:26px 0 21px}.results{display:grid;gap:18px;min-width:0}.headline-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:18px}.resilience-card,.bottleneck-card,.systems,.cascade,.timeline,.insight,.method{padding:22px}.resilience-inner{display:flex;align-items:center;gap:20px;margin-top:17px}.score-ring{width:100px;height:100px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;position:relative;background:conic-gradient(var(--violet) 0 205deg,rgba(255,255,255,.07) 205deg)}.score-ring::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#0e1528}.score-ring strong,.score-ring span{position:relative;z-index:1}.score-ring strong{font-size:30px;align-self:end;line-height:1}.score-ring span{font-size:9px;color:var(--muted);align-self:start;margin-top:-4px}.resilience-card h2{font-size:23px;letter-spacing:-.03em;margin:0 0 7px}.resilience-card p,.bottleneck-card>p{margin:0;color:var(--muted);font-size:11.5px}.bottleneck{display:flex;align-items:center;gap:13px;margin:18px 0 13px}.bottleneck-icon{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:rgba(255,113,141,.08);border:1px solid rgba(255,113,141,.15);color:var(--red);font-size:21px}.bottleneck strong{display:block;font-size:17px}.bottleneck small{display:block;color:var(--muted);font-size:10px;margin-top:2px}
.scale-note{font-size:10px;color:var(--muted);padding-top:5px}.system-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}.system-card{padding:15px;border-radius:15px;border:1px solid var(--line);background:rgba(255,255,255,.017);min-height:145px}.system-top{display:flex;justify-content:space-between;gap:10px}.system-top span:first-child{font-size:11px;color:var(--soft)}.system-value{font-size:18px;font-weight:800}.system-card[data-tone=low] .system-value{color:var(--green)}.system-card[data-tone=mid] .system-value{color:var(--yellow)}.system-card[data-tone=high] .system-value{color:var(--red)}.system-bar{height:5px;background:rgba(255,255,255,.06);border-radius:999px;margin:18px 0 11px;overflow:hidden}.system-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#806fff,#ff718d);transition:width .35s ease}.system-card small{font-size:10px;color:var(--muted)}
.cascade-chain{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:18px}.cascade-node{position:relative;padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.018);min-height:100px}.cascade-node:not(:last-child)::after{content:"→";position:absolute;right:-16px;top:37px;color:#6f7894;z-index:2}.cascade-node span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.1em}.cascade-node strong{display:block;font-size:12px;margin-top:9px}.cascade-node em{display:block;font-style:normal;color:var(--red);font-size:10px;margin-top:6px}.cascade-copy{font-size:11px;color:var(--muted);margin:16px 0 0}
.legend{display:flex;gap:14px;font-size:10px;color:var(--muted);padding-top:5px}.legend i{display:inline-block;width:16px;height:2px;vertical-align:middle;margin-right:5px}.stress-line{background:var(--red)}.capacity-line{background:var(--cyan)}.chart-wrap{height:275px;margin-top:16px}.chart-wrap canvas{display:block;width:100%;height:275px}.timeline-meta{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:10px;color:#61708a;font-size:9px}.timeline-meta strong{color:var(--soft);font-size:10px;font-weight:650}
.insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.insight h3{font-size:18px;letter-spacing:-.02em;margin:13px 0 7px}.insight p{font-size:11.5px;color:var(--muted);margin:0}.method{padding-block:0}.method summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;padding:18px 0}.method summary::-webkit-details-marker{display:none}.method summary strong{display:block;font-size:12px}.method summary small{display:block;color:var(--muted);font-size:10px;margin-top:2px}.method summary b{color:var(--violet);font-size:18px;font-weight:400}.method[open] summary b{transform:rotate(45deg)}.method-body{border-top:1px solid var(--line);padding:16px 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:20px;color:var(--muted);font-size:11px}.method-body p{margin:0}
footer{display:flex;justify-content:space-between;gap:20px;padding:28px 2px 40px;margin-top:18px;color:#56617a;font-size:9px;letter-spacing:.1em;border-top:1px solid var(--line)}.toast{position:fixed;left:50%;bottom:24px;z-index:20;transform:translate(-50%,18px);background:#eeeaff;color:#0a0d17;border-radius:10px;padding:10px 14px;font-size:11px;font-weight:800;opacity:0;pointer-events:none;transition:.25s ease;box-shadow:0 12px 34px rgba(0,0,0,.28)}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1050px){.workspace{grid-template-columns:330px minmax(0,1fr)}.headline-grid{grid-template-columns:1fr}.system-grid{grid-template-columns:repeat(2,1fr)}.cascade-chain{grid-template-columns:1fr 1fr}.cascade-node:not(:last-child)::after{display:none}}
@media(max-width:820px){.shell{width:min(100% - 24px,1480px)}.hero{padding-top:46px}.workspace{grid-template-columns:1fr}.controls{position:static}.method-body{grid-template-columns:1fr}}
@media(max-width:560px){.topbar{padding:14px 0;align-items:flex-start}.brand small{display:none}.top-actions .ghost-btn{display:none}.hero h1{font-size:43px}.hero h1 br{display:none}.hero-note{align-items:flex-start}.system-grid,.insight-grid,.cascade-chain{grid-template-columns:1fr}.legend{display:none}.timeline-meta strong{display:none}.resilience-inner{align-items:flex-start}.method-body{grid-template-columns:1fr}footer{flex-direction:column}}