/* ============================================================
   BAV SYNDICATE — Design System
   Dark, minimal, industrial. Black base, cold grayscale,
   Deep Green + Deep Blue accents. Unapologetic. Intentional. Bold.
   ============================================================ */
:root {
  --bg:        #08080A;
  --bg-1:      #0F0F13;
  --surface:   #16161B;
  --surface-2: #1E1E25;
  --border:    #2A2A33;
  --border-2:  #3A3A45;

  --text:      #F3F3F4;
  --text-dim:  #A6A6AE;
  --text-mute: #6E6E78;

  --green:     #21A06B;   /* Deep Green accent */
  --green-deep:#0E5436;
  --blue:      #2E6BD6;   /* Deep Blue accent  */
  --blue-deep: #163C7E;
  --ember:     #C2410C;   /* Infernal Ember — warnings/destructive */

  --radius:    14px;
  --radius-sm: 10px;
  --maxw:      560px;

  --shadow: 0 10px 30px rgba(0,0,0,.55);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 50% -10%, #131319 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---------- Typography ---------- */
h1, h2, h3 { margin: 0 0 .35em; line-height: 1.1; font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.02rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .22em; font-size: .68rem;
  font-weight: 700; color: var(--text-mute);
}
.dim { color: var(--text-dim); }
.mute { color: var(--text-mute); }
.center { text-align: center; }
a { color: var(--blue); text-decoration: none; }

/* ---------- Layout shell ---------- */
#app { max-width: var(--maxw); margin: 0 auto; padding: 0 16px 120px; }
.screen { padding-top: 28px; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px);} to {opacity:1; transform:none;} }

.brandbar { display: flex; align-items: center; gap: 10px; padding: 18px 2px 6px; }
.brandbar .mark {
  width: 34px; height: 34px; object-fit: contain; display: block; flex: 0 0 auto;
}
.logo-hero { text-align: center; padding: 26px 0 10px; }
.logo-hero img { width: 86%; max-width: 360px; height: auto; display: inline-block;
  filter: drop-shadow(0 10px 28px rgba(0,0,0,.6)); }
.brandbar .word { font-weight: 800; letter-spacing: .12em; font-size: .82rem; text-transform: uppercase; }
.brandbar .word small { display:block; color: var(--text-mute); letter-spacing:.28em; font-size:.58rem; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-1) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 14px; }
.stack > * + * { margin-top: 14px; }
.row { display: flex; gap: 10px; }
.row.between { justify-content: space-between; align-items: center; }
.grow { flex: 1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 15px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-2); background: var(--surface-2); color: var(--text);
  font-size: 1rem; font-weight: 700; cursor: pointer; transition: transform .05s ease, filter .15s ease;
  font-family: var(--font);
}
.btn:active { transform: scale(.985); }
.btn-primary {
  background: linear-gradient(145deg, var(--green), var(--green-deep));
  border-color: transparent; color: #06140d;
}
.btn-blue { background: linear-gradient(145deg, var(--blue), var(--blue-deep)); border-color: transparent; color: #fff; }
.btn-ghost { background: transparent; }
.btn-sm { width: auto; padding: 9px 14px; font-size: .85rem; border-radius: 9px; }
.btn-danger { color: #ffd9c7; border-color: #5a2410; background: #2a1006; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- Forms ---------- */
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: .78rem; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
input, select {
  width: 100%; padding: 13px 14px; border-radius: var(--radius-sm);
  background: var(--bg-1); border: 1px solid var(--border-2); color: var(--text);
  font-size: 1rem; font-family: var(--font);
}
input:focus, select:focus { outline: none; border-color: var(--green); }
.num { text-align: center; font-variant-numeric: tabular-nums; font-weight: 700; }
.check { display: flex; align-items: flex-start; gap: 11px; cursor: pointer; padding: 4px 0; }
.check input { width: 22px; height: 22px; margin-top: 1px; accent-color: var(--green); flex: 0 0 auto; }
.check span { font-size: .9rem; color: var(--text-dim); }

/* ---------- Chips / segmented ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 8px 13px; border-radius: 999px; border: 1px solid var(--border-2);
  background: var(--surface); font-size: .82rem; font-weight: 600; cursor: pointer; color: var(--text-dim);
}
.chip.on { background: var(--green-deep); border-color: var(--green); color: #d8ffe9; }
.chip.blue.on { background: var(--blue-deep); border-color: var(--blue); color: #dbe8ff; }

/* ---------- Track selection cards ---------- */
.track {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; cursor: pointer;
  background: var(--surface); transition: border-color .15s ease, transform .05s ease;
  position: relative; overflow: hidden;
}
.track:active { transform: scale(.99); }
.track .bar { position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--border-2); }
.track.green .bar { background: var(--green); }
.track.blue  .bar { background: var(--blue); }
.track.on { border-color: var(--green); }
.track.on.blue { border-color: var(--blue); }
.track h3 { margin-bottom: 4px; }
.track .meta { font-size: .72rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: .12em; }
.track .badge { position: absolute; right: 12px; top: 12px; font-size: .6rem; letter-spacing:.14em; text-transform:uppercase; padding:4px 8px; border-radius:6px; font-weight:800; }
.badge.primary { background: var(--green); color:#06140d; }
.badge.secondary { background: var(--blue); color:#fff; }

/* ---------- Stat tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 10px; text-align: center; }
.tile .v { font-size: 1.5rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.tile .v.green { color: var(--green); } .tile .v.blue { color: var(--blue); }
.tile .k { font-size: .62rem; text-transform: uppercase; letter-spacing: .14em; color: var(--text-mute); margin-top: 2px; }

/* ---------- Exercise / set logging ---------- */
.exercise { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.exercise + .exercise { margin-top: 10px; }
.exercise .ehead { display: flex; justify-content: space-between; align-items: center; padding: 13px 14px; background: var(--surface); }
.exercise .ehead .t { font-weight: 700; }
.exercise .ehead .scheme { font-size: .72rem; color: var(--text-mute); }
.exercise .target { font-size: .74rem; color: var(--green); font-weight: 700; }
.sets { padding: 6px 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.setrow { display: grid; grid-template-columns: 30px 1fr 1fr 42px; gap: 8px; align-items: center; }
.setrow .sn { color: var(--text-mute); font-size: .8rem; text-align: center; font-weight: 700; }
.setrow input { padding: 10px; }
.setrow .done { width: 42px; height: 42px; border-radius: 9px; border: 1px solid var(--border-2); background: var(--bg-1); color: var(--text-mute); font-size: 1.1rem; cursor: pointer; }
.setrow .done.on { background: var(--green-deep); border-color: var(--green); color: #d8ffe9; }
.setrow.head .sn, .setrow.head div { color: var(--text-mute); font-size: .62rem; text-transform: uppercase; letter-spacing: .12em; text-align: center; }

/* ---------- Charts ---------- */
.chart { width: 100%; height: 150px; display: block; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .line { fill: none; stroke-width: 2.5; }
.chart .area { opacity: .14; }
.chart .dot { stroke: var(--bg); stroke-width: 1.5; }
.chart-empty { height: 150px; display: grid; place-items: center; color: var(--text-mute); font-size: .82rem; }

/* ---------- Nav ---------- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; justify-content: space-around;
  background: rgba(10,10,12,.92); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border); padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tabbar button { background: none; border: none; color: var(--text-mute); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 700; display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; padding: 4px 12px; font-family: var(--font); }
.tabbar button .ic { font-size: 1.15rem; line-height: 1; }
.tabbar button.on { color: var(--green); }

/* ---------- Misc ---------- */
.divider { height: 1px; background: var(--border); margin: 18px 0; border: 0; }
.pill { display:inline-block; font-size:.62rem; letter-spacing:.12em; text-transform:uppercase; font-weight:800; padding:4px 9px; border-radius:6px; }
.pill.green { background: var(--green-deep); color:#d8ffe9; }
.pill.blue { background: var(--blue-deep); color:#dbe8ff; }
.pill.mute { background: var(--surface-2); color: var(--text-mute); }
.toast { position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%); background: var(--surface-2); border: 1px solid var(--border-2); color: var(--text); padding: 11px 16px; border-radius: 10px; font-size: .85rem; box-shadow: var(--shadow); z-index: 50; animation: fade .2s ease; max-width: 90%; }
.hero-quote { font-size: 1.05rem; font-weight: 700; line-height: 1.35; }
.empty { text-align: center; color: var(--text-mute); padding: 30px 10px; font-size: .9rem; }
.list-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--border); font-size: .92rem; }
.list-row:last-child { border-bottom: 0; }
.measure-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }