:root{
  color-scheme:dark;
  --bg:#04050b;
  --ink:#e9ecf5;
  --dim:#7d84a0;
  --soft:#c3c8da;
  --line:rgba(255,255,255,.10);
  --glass:rgba(10,12,24,.88);
  --a:#3de0ff;
  --b:#ff5fa8;
  --both:#b8a1ff;
  --danger:#ff7a8a;
  --menu-w:360px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}
canvas{position:fixed;inset:0;width:100%;height:100%;display:block;cursor:crosshair;touch-action:none}
canvas.over{cursor:grab}
canvas.drag{cursor:grabbing}

/* Brand */
.brand{position:fixed;left:24px;top:20px;pointer-events:none}
.brand h1{font-size:1rem;font-weight:300;letter-spacing:.3em}
.brand p{margin-top:6px;font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--dim)}

/* Hamburger */
.burger{position:fixed;top:14px;right:14px;z-index:30;width:44px;height:44px;display:grid;place-items:center;
  background:rgba(14,16,30,.6);border:1px solid var(--line);border-radius:12px;color:var(--ink);cursor:pointer;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:background .15s,border-color .15s}
.burger:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.3)}
.burger path{transform-box:fill-box;transform-origin:center;transition:transform .25s ease,opacity .2s ease}
.burger[aria-expanded="true"] .l1{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] .l2{opacity:0}
.burger[aria-expanded="true"] .l3{transform:translateY(-6px) rotate(-45deg)}

/* Slide-out menu */
.menu{position:fixed;top:0;right:0;bottom:0;z-index:20;width:min(var(--menu-w),100vw);display:flex;flex-direction:column;
  background:var(--glass);border-left:1px solid var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transform:translateX(100%);visibility:hidden;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility 0s .3s}
.menu.open{transform:none;visibility:visible;transition:transform .3s cubic-bezier(.2,.8,.2,1),visibility 0s}
.menu-head{padding:18px 70px 14px 22px;border-bottom:1px solid var(--line);display:grid;gap:10px;min-height:76px}
.menu-body{flex:1;overflow-y:auto;padding:22px}
.legend{padding:16px 22px 20px;border-top:1px solid var(--line);display:grid;gap:10px;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.legend-row{display:flex;gap:18px;flex-wrap:wrap}
.legend span{display:inline-flex;align-items:center;gap:8px}

/* Sections */
.sec{display:flex;flex-direction:column;gap:14px}
.sec[hidden]{display:none}
.stack{display:grid;gap:14px}
.kicker{font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--dim);font-weight:400}
.big{font-size:2.6rem;font-weight:200;line-height:1}
.muted{font-size:.9rem;line-height:1.55;color:var(--soft)}
.small{font-size:.78rem;color:var(--dim)}
h2{font-size:1.35rem;font-weight:300;line-height:1.25;overflow-wrap:anywhere}
h3.kicker{margin-top:10px;padding-top:16px;border-top:1px solid var(--line)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border:1px solid var(--line);border-radius:999px;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase}
.dot{width:8px;height:8px;border-radius:50%;flex:none}

/* Controls */
button,select,input,textarea{font:inherit;color:inherit}
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{background:transparent;border:1px solid rgba(255,255,255,.22);border-radius:8px;padding:9px 14px;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover:not(:disabled){background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4)}
.btn:disabled{opacity:.45;cursor:default}
.btn.solid{background:#fff;color:#04050b;border-color:#fff}
.btn.solid:hover:not(:disabled){background:#d9deef}
.btn.danger{color:var(--danger);border-color:rgba(255,122,138,.4)}
.btn.danger.armed{background:var(--danger);color:#04050b;border-color:var(--danger)}
.btn.wide{flex:1 1 100%}
:focus-visible{outline:2px solid var(--a);outline-offset:2px}
label{display:grid;gap:6px;font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--dim)}
input,select,textarea{background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:.9rem;letter-spacing:normal;text-transform:none;width:100%}
textarea{resize:vertical;min-height:80px}
select option{background:#10121f}

.seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;width:max-content}
.seg-btn{background:transparent;border:0;border-radius:999px;padding:6px 16px;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);cursor:pointer}
.seg-btn[aria-pressed="true"]{background:#fff;color:#04050b}

/* Notes */
.notes{list-style:none;display:grid;gap:12px}
.note{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:rgba(255,255,255,.03)}
.note-meta{display:flex;align-items:center;gap:8px;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.note-meta time{margin-left:auto;letter-spacing:.04em;text-transform:none}
.note p{margin-top:8px;font-size:.9rem;line-height:1.5;color:var(--soft);white-space:pre-wrap;overflow-wrap:anywhere}
.icon-btn{background:transparent;border:0;color:var(--dim);cursor:pointer;display:grid;place-items:center;width:22px;height:22px;border-radius:6px}
.icon-btn:hover{color:var(--danger);background:rgba(255,255,255,.06)}
.empty{font-size:.85rem;color:var(--dim)}

/* Toast */
.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);z-index:40;max-width:calc(100vw - 32px);
  padding:10px 16px;border-radius:10px;background:rgba(20,22,40,.95);border:1px solid var(--line);font-size:.82rem;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.noscript{position:fixed;inset:0;display:grid;place-items:center;color:var(--dim)}

@media (max-width:760px){
  .brand{left:16px;top:14px}
  .menu{width:100vw}
}
@media (prefers-reduced-motion:reduce){
  .menu,.menu.open,.burger,.burger path,.btn,.toast{transition:none}
}