*{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#061923;--card:#0b2939;--field:#061d2a;--line:#365768;
  --text:#f3f6f7;--muted:#9db2bc;--accent:#49abc5;--bar:#020d13;
  --error-bg:#351a20;--error:#ff9aa7;
  --dir:#1a4a8a;--dir-text:#a8d4f8;
  --chef:#1a4010;--chef-text:#b8ee88;
  --emp:#2a2926;--emp-text:#f0ede4
}

:root[data-palette=original]{
  --bg:#111110;--card:#1e1d1a;--field:#111110;--line:#4a4740;
  --text:#f0ede4;--muted:#a09c94;--accent:#c4404f;--bar:#541822;
  --error-bg:#351a20;--error:#ff9aa7
}

html,body{min-height:100%}
body{
  min-height:100vh;display:flex;flex-direction:column;
  background:var(--bg);color:var(--text);
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
.topbar{height:7px;flex:none;background:var(--bar)}
.stage{flex:1;display:flex;align-items:center;justify-content:center;width:100%;padding:28px 0}
main{width:min(980px,calc(100% - 40px))}
.cards{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.panel{
  min-height:350px;padding:42px;border:1px solid var(--line);border-radius:14px;
  background:var(--card);box-shadow:0 18px 50px rgba(0,0,0,.34)
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:48px;font:700 22px Georgia,serif}
.brand-mark{width:26px;height:26px;flex:none}
.brand span{color:var(--accent)}
h1{margin:0 0 16px;font-size:39px;line-height:1.08;letter-spacing:-.04em}
.lead{color:var(--muted);font-size:15px;line-height:1.6}
.features{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:25px;font-size:12px;font-weight:650}
.feature::before{content:"✓";margin-right:7px;color:var(--accent)}
.privacy{margin-top:22px;padding-left:11px;border-left:2px solid var(--accent);color:var(--muted);font-size:11px}

.login-panel{display:flex;flex-direction:column;justify-content:center}
.login-panel h2{margin-bottom:8px;font-size:24px}
.login-panel>p{margin-bottom:27px;color:var(--muted);font-size:13px;line-height:1.5}
.field-label{display:block;margin-bottom:8px;font-size:12px;font-weight:650}
input[type=password]{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:8px;
  outline:none;background:var(--field);color:var(--text);font:inherit
}
input[type=password]:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.submit{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:48px;
  margin-top:13px;border:0;border-radius:8px;background:var(--accent);color:#041923;
  font:inherit;font-weight:750;cursor:pointer
}
.submit:disabled{opacity:.55;cursor:wait}
.spinner{display:none;width:15px;height:15px;border:2px solid rgba(4,25,35,.25);border-top-color:#041923;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.error{display:none;margin-top:14px;padding:10px 12px;border-radius:7px;background:var(--error-bg);color:var(--error);font-size:12px}
.error.show{display:block}

.demo{margin:30px auto 0;overflow-x:auto;padding:0 10px 5px}
.chart{position:relative;width:max-content;min-width:150px;margin:auto;text-align:center}
.chart svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.chart path{fill:none;stroke:var(--line);stroke-width:1.3;vector-effect:non-scaling-stroke}
.node{position:relative;z-index:2;padding:9px 10px;border-radius:8px;box-shadow:0 5px 16px rgba(0,0,0,.34);font-size:10px}
.node strong{display:block;font-size:11px}.node small{opacity:.75}
.director{width:150px;margin:auto;background:var(--dir);color:var(--dir-text)}
.teams{display:flex;align-items:flex-start;justify-content:center;gap:42px;margin-top:48px}
.team{width:max-content;min-width:140px}
.leader{width:150px;margin:auto;background:var(--chef);color:var(--chef-text)}
.members{display:flex;justify-content:center;gap:10px;margin-top:44px}
.member{width:105px;background:var(--emp);color:var(--emp-text)}

footer{flex:none;border-top:1px solid var(--line)}
.footer-inner{width:min(980px,calc(100% - 40px));height:58px;margin:auto;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}
.controls{display:flex;gap:7px}
.control{padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--muted);font:inherit;cursor:pointer}
.control:hover{border-color:var(--accent);color:var(--text)}

@media(max-width:720px){
  .stage{align-items:flex-start;padding:20px 0}
  main{width:calc(100% - 24px)}
  .cards{grid-template-columns:1fr}.panel{min-height:auto;padding:30px}
  .brand{margin-bottom:38px}h1{font-size:33px}
  .features{flex-direction:column;gap:9px}
  .footer-inner{width:calc(100% - 24px)}
}

@media(prefers-reduced-motion:reduce){.spinner{animation:none}}