:root{
  --bg:#06101b;--panel:rgba(10,26,43,.84);--line:rgba(145,183,216,.15);
  --line2:rgba(145,183,216,.25);--text:#eef7ff;--soft:#bdd0de;--muted:#8da4b7;
  --cyan:#61e7ff;--blue:#6f91ff;--green:#64efb8;--yellow:#ffd36c;--red:#ff758d;
  --radius:20px;--shadow:0 24px 80px rgba(0,0,0,.24)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:
radial-gradient(circle at 8% -4%,rgba(61,110,255,.16),transparent 34rem),
radial-gradient(circle at 92% 14%,rgba(52,225,255,.10),transparent 30rem),
linear-gradient(180deg,#06101b 0%,#071421 48%,#050d15 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:35rem;background:#3676ff}.glow-b{right:-12rem;top:10rem;background:#42e7ff}
.shell{width:min(1500px,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(97,231,255,.34);background:linear-gradient(145deg,rgba(97,231,255,.12),rgba(111,145,255,.09));color:var(--cyan);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(97,231,255,.35)}.primary-btn{padding:10px 15px;border:0;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#03111a;font-weight:800}.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:900px}.eyebrow,.kicker{font-size:11px;letter-spacing:.17em;text-transform:uppercase;color:#7ddcf2;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(100,239,184,.08)}.hero h1{font-size:clamp(44px,5.2vw,76px);line-height:.98;letter-spacing:-.055em;margin:17px 0 22px}.hero h1 span{color:#80b8ff}.hero>p{color:var(--soft);max-width:760px;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(--cyan)}
.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(12,30,48,.87),rgba(8,22,36,.83));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{font-size:21px;letter-spacing:-.025em;margin:5px 0 0}.slider-list{display:grid;gap:20px;margin-top:24px}.control-head{display:flex;justify-content:space-between;gap:12px;font-size:11.5px;color:var(--soft);margin-bottom:9px}.control-head output{color:var(--cyan);font-variant-numeric:tabular-nums;font-weight:750}.range-meta{display:flex;justify-content:space-between;color:#62798c;font-size:9px;margin-top:4px}
input[type=range]{width:100%;height:4px;appearance:none;border-radius:999px;background:linear-gradient(90deg,rgba(97,231,255,.77),rgba(111,145,255,.62));outline:none}input[type=range]::-webkit-slider-thumb{appearance:none;width:17px;height:17px;border-radius:50%;background:#eefcff;border:4px solid #2e809b;box-shadow:0 0 0 4px rgba(97,231,255,.08);cursor:pointer}input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:#eefcff;border:4px solid #2e809b;box-shadow:0 0 0 4px rgba(97,231,255,.08);cursor:pointer}
.divider{height:1px;background:var(--line);margin:25px 0 19px}.seed-box{display:flex;justify-content:space-between;align-items:center;gap:10px}.seed-box strong{display:block;margin-top:4px;font-size:15px;letter-spacing:.08em}.seed-box button{border:1px solid var(--line);background:rgba(255,255,255,.02);border-radius:9px;padding:8px 10px;font-size:10px;cursor:pointer}.generate-btn{width:100%;margin-top:16px;border:0;border-radius:12px;padding:12px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04111b;font-weight:850;cursor:pointer;transition:.2s ease}.generate-btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.results{display:grid;gap:18px;min-width:0}.world-panel,.civilizations,.history,.method{padding:22px}.world-toolbar{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.world-toolbar h2{font-size:26px;letter-spacing:-.035em;margin:5px 0 0}.world-status{text-align:right}.world-status span{display:block;color:var(--muted);font-size:9px;letter-spacing:.12em}.world-status strong{display:block;font-size:24px;margin-top:2px}
.map-shell{position:relative;margin-top:17px;border:1px solid var(--line);border-radius:17px;overflow:hidden;background:#071521}.map-shell canvas{display:block;width:100%;aspect-ratio:16/9;max-height:650px}.map-legend{position:absolute;left:14px;bottom:14px;display:flex;gap:12px;background:rgba(5,14,23,.72);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:9px;padding:8px 10px;color:#a9bbcb;font-size:9px}.map-legend i{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:5px}.legend-city{background:#fff}.legend-capital{background:var(--yellow);box-shadow:0 0 0 2px rgba(255,211,108,.18)}.legend-resource{background:var(--cyan)}
.sim-controls{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.step-btn{border:1px solid var(--line2);background:rgba(255,255,255,.02);border-radius:10px;padding:9px 12px;font-size:10px;cursor:pointer}.step-btn:hover{background:rgba(255,255,255,.05)}.primary-step{border-color:rgba(97,231,255,.32);background:rgba(97,231,255,.08);color:#dffbff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.stat{padding:16px}.stat strong{display:block;font-size:24px;letter-spacing:-.03em;margin-top:9px}.stat small{display:block;color:var(--muted);font-size:9.5px;margin-top:3px}.scale-note{font-size:10px;color:var(--muted);padding-top:5px}
.civilization-list{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:18px}.civ-card{border:1px solid var(--line);border-radius:14px;padding:13px;background:rgba(255,255,255,.016)}.civ-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.civ-name{display:flex;align-items:center;gap:9px}.civ-dot{width:9px;height:9px;border-radius:50%;background:var(--civ-color)}.civ-head strong{font-size:12px}.civ-head span:last-child{font-size:10px;color:var(--muted)}.civ-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:11px}.civ-meta div{border-top:1px solid var(--line);padding-top:8px}.civ-meta span{display:block;color:var(--muted);font-size:8px;text-transform:uppercase;letter-spacing:.08em}.civ-meta strong{display:block;font-size:10px;margin-top:3px}
.history-feed{display:grid;gap:8px;margin-top:18px}.event{display:grid;grid-template-columns:70px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:9px 0}.event:last-child{border-bottom:0}.event-year{color:var(--cyan);font-size:10px;font-weight:750}.event p{margin:0;color:var(--soft);font-size:11px}
.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(--cyan);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:#566f80;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:#dffaff;color:#07131f;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)}.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.shell{width:min(100% - 24px,1500px)}.hero{padding-top:46px}.workspace{grid-template-columns:1fr}.controls{position:static}.civilization-list{grid-template-columns:1fr}.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}.stats-grid{grid-template-columns:1fr 1fr}.sim-controls{justify-content:stretch;flex-wrap:wrap}.step-btn{flex:1}.map-legend{display:none}.civilization-list{grid-template-columns:1fr}.method-body{grid-template-columns:1fr}.event{grid-template-columns:52px 1fr}footer{flex-direction:column}}