:root{
    --bg:var(--gray-0); --bg-2:var(--gray-20); --panel:var(--gray-0);
    --text:var(--gray-750); --text-2:var(--gray-500); --text-3:var(--gray-300);
    --brand:var(--violet-400);
    --line:color-mix(in srgb, var(--gray-900) 8%, transparent); --line-strong:color-mix(in srgb, var(--gray-900) 13%, transparent);
    --hover:color-mix(in srgb, var(--gray-750) 4.5%, transparent);
    --shadow-float:0 0 0 1px color-mix(in srgb, var(--gray-900) 5%, transparent), 0 2px 6px color-mix(in srgb, var(--gray-900) 5%, transparent), 0 12px 32px color-mix(in srgb, var(--gray-900) 10%, transparent);
    --ease-exit:cubic-bezier(.215,.61,.355,1);
    --ease-out:cubic-bezier(.16,1,.3,1);
    --ease-spring:cubic-bezier(.34,1.26,.64,1);
    --ok:var(--green-300); --warn:var(--orange-300);
  }
  html[data-theme="dark"]{
    --bg:var(--gray-900); --bg-2:var(--gray-880); --panel:var(--gray-870);
    --text:var(--gray-20); --text-2:var(--gray-350); --text-3:var(--gray-550);
    --brand:var(--violet-450);
    --line:color-mix(in srgb, var(--gray-0) 8%, transparent); --line-strong:color-mix(in srgb, var(--gray-0) 15%, transparent);
    --hover:color-mix(in srgb, var(--gray-0) 5.5%, transparent);
    --shadow-float:0 0 0 1px color-mix(in srgb, var(--gray-0) 8%, transparent), 0 2px 6px color-mix(in srgb, var(--gray-900) 40%, transparent), 0 12px 32px color-mix(in srgb, var(--gray-900) 55%, transparent);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{color-scheme:light dark}
  body{
    font-family:var(--font);
    font-feature-settings:"cv01","ss03";
    background:var(--bg); color:var(--text);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  button{font:inherit;color:inherit;background:none;border:0;cursor:default}
  input{font:inherit;color:inherit}
  ::selection{background:color-mix(in srgb, var(--brand) 25%, transparent)}
  .tab{font-variant-numeric:tabular-nums}

  .minibar{
    position:fixed;inset:0 0 auto 0;z-index:300;
    height:60px;display:flex;align-items:center;padding:0 24px;gap:12px;
  }
  .logo{display:flex;align-items:center;gap:9px;font-weight:550;font-size:15px;letter-spacing:-.2px}
  .mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),color-mix(in srgb,var(--brand) 60%, var(--violet-300)))}
  .cta{height:34px;padding:0 15px;border-radius:8px;background:var(--text);color:var(--bg);font-size:13px;font-weight:550;margin-left:auto;transition:opacity .15s}
  .cta:is(:hover, [data-hover]){opacity:.88}
  .btn{
    height:48px;padding:0 26px;border-radius:9999px;
    background:var(--text);color:var(--bg);
    font-size:15px;font-weight:550;display:inline-flex;align-items:center;gap:8px;
    transition:transform .15s var(--ease-exit), opacity .2s;
  }
  .btn:is(:hover, [data-hover]){opacity:.9}
  .btn:is(:active, [data-active]){transform:scale(.97)}


  .hero{min-height:100vh;position:relative;display:flex;flex-direction:column;justify-content:center;padding:90px 24px 70px}
  .h-kick{font-size:12px;font-weight:550;letter-spacing:.4px;text-transform:none;color:var(--text-3);margin-bottom:18px}

  /* ============ A · TAKEOVER ============ */
  #ha .hero{align-items:stretch}
  #ha-grid{display:grid;grid-template-columns:340px 1fr;gap:40px;max-width:1120px;margin:0 auto;width:100%;align-items:center}
  #ha h1{font-size:clamp(32px,3.6vw,48px);font-weight:500;letter-spacing:-0.02em;line-height:1.08}
  #ha .sub{margin-top:16px;font-size:15px;line-height:1.55;color:var(--text-2)}
  #ha-app{
    position:relative;border-radius:12px;background:var(--panel);
    box-shadow:var(--shadow-float);
    padding:20px;height:430px;overflow:hidden;
  }
  #ha-status{
    position:absolute;top:14px;right:16px;z-index:5;
    font-size:11px;font-weight:550;color:var(--text-3);
    display:flex;align-items:center;gap:7px;
    transition:color .3s;
  }
  #ha-status i{width:7px;height:7px;border-radius:9999px;background:var(--brand);transition:background .3s}
  #ha-status.user{color:var(--ok)}
  #ha-status.user i{background:var(--ok)}
  .ha-week{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin-top:14px}
  .ha-day{
    border-radius:12px;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line);
    padding:8px;min-height:120px;cursor:default;
    display:flex;flex-direction:column;gap:6px;
    transition:box-shadow .2s;
  }
  .ha-day.hot{box-shadow:inset 0 0 0 1.5px var(--brand)}
  .ha-day h6{font-size:9px;font-weight:550;color:var(--text-3);text-transform:none}
  .ha-sess{
    border-radius:8px;background:var(--panel);box-shadow:inset 0 0 0 1px var(--line);
    padding:6px 7px;font-size:11px;font-weight:550;line-height:1.3;
  }
  .ha-sess.hard{box-shadow:inset 0 0 0 1px var(--line), inset 2.5px 0 0 var(--brand)}
  .ha-sess small{display:block;font-weight:450;color:var(--text-3);font-size:9px}
  #ha-chart{height:120px;margin-top:14px;border-radius:12px;background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line);position:relative;overflow:hidden}
  #ha-chart svg{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px)}
  #ghost{
    position:absolute;z-index:10;pointer-events:none;
    transition:transform .05s linear;
    filter:drop-shadow(0 3px 8px color-mix(in srgb, var(--gray-900) 25%, transparent));
  }
  #ghost svg{display:block}
  #ghost .g-tag{
    position:absolute;left:16px;top:14px;
    background:var(--brand);color:var(--gray-0);
    font-size:9px;font-weight:550;padding:2px 7px;border-radius:4px;white-space:nowrap;
  }
  #ghost.hidden{opacity:0}

  @media (max-width:860px){
    #ha-grid{grid-template-columns:1fr}
    #ha-app{height:380px}
  }
  @media (prefers-reduced-motion: reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  }