/* styles.css - dark, phone-first */
:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #20242d;
  --line: #2c313c;
  --text: #e8eaf0;
  --muted: #9aa1ae;
  --accent: #3ddbd9;
  --accent-ink: #062a2a;
  --up: #4ade80;
  --hold: #facc15;
  --reset: #f87171;
  --return: #60a5fa;
  --deload: #c084fc;
  --travel: #f59e0b;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
h1 { font-size: 1.2rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }
h3 { font-size: 1rem; margin: 0 0 .75rem; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* Top bar + tabs */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 8px; padding-top: calc(14px + env(safe-area-inset-top));
}
.badge {
  font-size: .8rem; padding: 4px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
}
.badge.deload { color: var(--deload); border-color: var(--deload); }
.tabs {
  position: sticky; top: 0; z-index: 10; display: flex; gap: 4px;
  padding: 8px 12px; background: var(--bg); border-bottom: 1px solid var(--line);
}
.tab {
  flex: 1; padding: 10px 0; border: 0; border-radius: 10px; background: transparent;
  color: var(--muted); font-size: .95rem; font-weight: 600; cursor: pointer;
}
.tab.active { background: var(--panel-2); color: var(--accent); }

main { max-width: 760px; margin: 0 auto; padding: 16px; }
.view { display: none; }
.view.active { display: block; }

/* Forms */
.row { display: flex; gap: 12px; align-items: flex-end; }
.grow { flex: 1; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field > span { font-size: .8rem; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 11px 12px; font-size: 16px; color: var(--text);
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--travel); }
.toggle {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  color: var(--travel); font-weight: 600; cursor: pointer;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 10px; }

/* Buttons */
button { font: inherit; cursor: pointer; }
.primary {
  padding: 11px 18px; border: 0; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink); font-weight: 700;
}
.primary.big { width: 100%; padding: 15px; font-size: 1.05rem; margin-top: 4px; }
.primary:disabled { opacity: .5; }
.secondary {
  padding: 10px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--text);
}
.link { border: 0; background: none; color: var(--accent); padding: 4px; font-weight: 600; }
.mini {
  padding: 6px 10px; font-size: .8rem; border-radius: 8px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--muted);
}
.danger { color: var(--reset); }

/* Session picker */
.session-picker { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.session-btn {
  padding: 9px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); font-size: .9rem;
}
.session-btn .day { color: var(--muted); font-size: .75rem; margin-left: 4px; }
.session-btn.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.session-btn.active .day { color: var(--accent-ink); }
.session-btn.travel { border-color: var(--travel); }
.session-btn.travel.active { background: var(--travel); color: #1a1000; }

/* Banners + cards */
.banner { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: .9rem; }
.banner.edit { display: flex; justify-content: space-between; align-items: center; background: #1e2a3a; border: 1px solid var(--return); }
.banner.deload { background: #251c33; border: 1px solid var(--deload); color: var(--deload); }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px; margin-bottom: 14px;
}
.chart-card { height: 260px; padding: 10px; }

/* Exercise cards */
.ex-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.ex-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.ex-name { font-weight: 700; font-size: 1.02rem; }
.ex-target { color: var(--muted); font-size: .85rem; margin-top: 2px; }
.ex-actions { display: flex; gap: 6px; flex-shrink: 0; }
.sugg {
  margin: 10px 0 8px; padding: 8px 10px; border-radius: 8px; font-size: .88rem;
  background: var(--panel-2); border-left: 3px solid var(--muted);
}
.sugg strong { font-size: 1rem; }
.sugg.up { border-left-color: var(--up); }
.sugg.hold { border-left-color: var(--hold); }
.sugg.reset { border-left-color: var(--reset); }
.sugg.return { border-left-color: var(--return); }
.sugg.deload { border-left-color: var(--deload); }
.last-line { color: var(--muted); font-size: .8rem; margin-bottom: 8px; }
.set-row { display: grid; grid-template-columns: 34px 1fr 1fr 34px; gap: 8px; align-items: center; margin-bottom: 8px; }
.set-no { color: var(--muted); font-size: .85rem; text-align: center; }
.set-row input { padding: 10px; text-align: center; }
.set-row .rm { border: 0; background: none; color: var(--muted); font-size: 1.2rem; }
.set-labels { display: grid; grid-template-columns: 34px 1fr 1fr 34px; gap: 8px; font-size: .75rem; color: var(--muted); text-align: center; margin-bottom: 4px; }

/* History */
.hist-item { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 10px; }
.hist-item.is-travel { border-color: var(--travel); }
.hist-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.hist-date { font-weight: 700; }
.hist-sets { margin-top: 8px; font-size: .88rem; color: var(--muted); }
.hist-sets div { margin: 2px 0; }
.hist-sets b { color: var(--text); font-weight: 600; }
.hist-actions { display: flex; gap: 6px; margin-top: 10px; }
.tag { font-size: .72rem; padding: 3px 8px; border-radius: 999px; background: var(--panel-2); color: var(--muted); margin-left: 6px; }
.tag.travel { background: #2d2008; color: var(--travel); }
.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* Stats + tables */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 8px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px; text-align: center; }
.stat .v { font-size: 1.15rem; font-weight: 700; }
.stat .k { font-size: .75rem; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.data th, table.data td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data th { color: var(--muted); font-weight: 600; }

/* Dialog */
dialog {
  width: min(92vw, 420px); padding: 18px; border-radius: 14px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
}
dialog::backdrop { background: rgba(0, 0, 0, .6); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(120px);
  background: var(--panel-2); border: 1px solid var(--accent); color: var(--text);
  padding: 10px 18px; border-radius: 999px; transition: transform .25s; z-index: 50; font-size: .92rem;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--reset); }

@media (min-width: 700px) {
  .chart-card { height: 320px; }
}