:root{
  --bg:#0f1115; --card:#171a21; --card2:#1e222b; --line:#2a2f3a;
  --text:#e8eaed; --muted:#9aa3b2; --accent:#3b82f6; --accent2:#22c55e;
  --warn:#f59e0b; --danger:#ef4444; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
body{padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
.screen{max-width:640px;margin:0 auto;padding:16px 14px 120px}
.hidden{display:none !important}
.muted{color:var(--muted)}
.small{font-size:13px}
h1{font-size:26px;margin:.2em 0}
h3{font-size:15px;margin:0 0 10px;font-weight:600}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 16px;margin:0 0 12px}
.login-card{margin-top:22vh;text-align:center}
input,textarea{width:100%;background:var(--card2);border:1px solid var(--line);
  color:var(--text);border-radius:10px;padding:11px 12px;font-size:16px;margin:6px 0}
textarea{min-height:44px;resize:vertical;line-height:1.4}
button{border:none;border-radius:11px;padding:12px 16px;font-size:15px;font-weight:600;
  cursor:pointer}
.primary{background:var(--accent);color:#fff;width:100%}
.primary:active{transform:scale(.99)}
.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);padding:9px 12px}
.error{color:var(--danger);font-size:14px}

.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin:4px 0 14px}
.w-title{font-size:20px;font-weight:700;line-height:1.25}

.banner{background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.35);
  color:#cfe0ff;border-radius:12px;padding:10px 12px;font-size:13px;margin-bottom:12px}
.warmup-card{background:var(--card2);border-color:rgba(59,130,246,.25)}
.wu-list{margin:0;padding-left:18px}
.wu-list li{font-size:13px;color:var(--muted);margin:5px 0;line-height:1.45}
.save-status{color:var(--accent2);margin-top:2px;min-height:15px}

.ex{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;margin:0 0 10px}

/* superset grouping */
.superset{border:1.5px solid var(--accent);border-radius:16px;padding:8px;margin:0 0 12px;
  background:rgba(59,130,246,.06)}
.superset .ex{margin-bottom:8px}
.superset .ex:last-child{margin-bottom:2px}
.ss-head{font-size:12px;color:#9cc3ff;padding:4px 4px 8px;display:flex;align-items:center;
  gap:8px;flex-wrap:wrap;line-height:1.3}
.ss-badge{background:var(--accent);color:#fff;padding:2px 9px;border-radius:20px;font-size:10px;
  font-weight:700;letter-spacing:.06em}
.ex .tag{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;
  border-radius:6px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  margin-right:8px;padding:0 4px}
.ex .row{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.ex .name{font-weight:600;font-size:16px}
.ex .slot{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
.ex .rx{color:var(--muted);font-size:13px;margin:3px 0 2px}
.ex .weight{font-size:14px;margin:2px 0 4px}
.ex .weight b{color:var(--accent2)}
.ex .note{font-size:12px;color:var(--muted);font-style:italic}
.ex .last{font-size:12px;color:#cfe0ff;margin-top:6px}
.overhead{border-color:rgba(245,158,11,.5)}
.overhead .slot{color:var(--warn)}
.conditioning{border-style:dashed}

.footer-actions{position:fixed;left:0;right:0;bottom:0;background:linear-gradient(#0f1115cc,#0f1115);
  padding:12px 14px calc(12px + env(safe-area-inset-bottom));display:flex;gap:10px;
  max-width:640px;margin:0 auto}
.footer-actions .primary{flex:1}

.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:88px;background:var(--accent2);
  color:#04120a;padding:10px 16px;border-radius:20px;font-weight:600;font-size:14px}

.hist{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:9px}
.hist .h-top{display:flex;justify-content:space-between;font-size:13px}
.hist .h-name{font-weight:600}
.hist .h-body{font-size:12px;color:var(--muted);margin-top:5px;white-space:pre-wrap}