:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242e;
  --line: #2a2f3a;
  --text: #e8eaf0;
  --muted: #8b93a7;
  --accent: #4f8cff;
  --good: #36c08b;
  --warn: #f0b429;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 92px; /* room for fixed footer */
}

header {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  padding: max(12px, env(safe-area-inset-top)) 16px 8px;
  border-bottom: 1px solid var(--line);
}
.row { display: flex; align-items: baseline; justify-content: space-between; }
h1 { font-size: 20px; margin: 0; letter-spacing: 0.5px; }
.date { color: var(--muted); font-size: 13px; }

.types { display: flex; gap: 8px; margin-top: 10px; }
.types button {
  flex: 1; padding: 10px 6px; font-size: 13px; font-weight: 600;
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--line); border-radius: 10px;
}
.types button.active { color: var(--text); background: var(--panel-2); border-color: var(--accent); }

.coverage { padding: 10px 16px 0; }
.coverage .cov-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 8px; }
.coverage .cov-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.coverage .cov-count { font-size: 12px; font-weight: 700; color: var(--muted); }
.coverage .cov-count.full { color: var(--good); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); background: var(--panel);
}
.chip.hit { color: #07120d; background: var(--good); border-color: var(--good); }

main { padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; }

.block { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.block .head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.block .name { font-weight: 700; font-size: 16px; }
.block .tag {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; white-space: nowrap;
}
.block .tag.bodyweight { color: var(--accent); border-color: var(--accent); }
.block .tag.loaded { color: var(--warn); border-color: var(--warn); }
.block .note { color: var(--muted); font-size: 13px; margin-top: 2px; }

.sets { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.set { display: grid; grid-template-columns: 22px 1fr 1fr; gap: 8px; align-items: center; }
.set .idx { color: var(--muted); font-size: 13px; text-align: center; }
.set label { color: var(--muted); font-size: 11px; display: block; margin-bottom: 2px; }
.set .field { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 6px 8px; }
.set input {
  width: 100%; background: transparent; border: 0; color: var(--text);
  font-size: 18px; font-weight: 600; text-align: center; padding: 4px 0;
}
.set input:focus { outline: none; }
.set .field:focus-within { border-color: var(--accent); }
.set .target { color: var(--muted); font-size: 12px; font-weight: 600; }

footer {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 5;
  background: linear-gradient(180deg, transparent, var(--bg) 24%);
  padding: 10px 16px max(12px, env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 8px;
}
.status { font-size: 12px; color: var(--muted); text-align: center; min-height: 14px; }
.status.ok { color: var(--good); }
.status.warn { color: var(--warn); }
.actions { display: flex; gap: 10px; }
.actions button { flex: 1; padding: 14px; font-size: 15px; font-weight: 700; border-radius: 12px; border: 1px solid var(--line); }
.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.ghost { background: var(--panel); color: var(--text); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; }