/* STRONG90. Dark by default — this gets read in a gym, one-handed, on a phone. */

:root {
  --bg: #0e1116;
  --surface: #171b22;
  --surface-2: #1e232c;
  --line: #2a313c;
  --text: #e8ecf2;
  --muted: #99a3b3;
  --accent: #ff6b35;
  --accent-soft: #3a2318;
  --good: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --volume: #60a5fa;
  --strength: #a78bfa;
  --peak: #fb7185;
  --radius: 14px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-2: #eef0f4;
    --line: #d9dde4;
    --text: #131720;
    --muted: #5b6577;
    --accent: #d94f1a;
    --accent-soft: #fdeee7;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  padding: 0 0 3rem;
}

#app { max-width: 640px; margin: 0 auto; padding: 0 0.85rem; }

/* ------------------------------------------------------------- chrome */

.topbar {
  display: flex; align-items: baseline; gap: 0.75rem;
  padding: 1.4rem 0.25rem 0.9rem;
}
.brand { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
.tagline { color: var(--muted); font-size: 0.85rem; }

.tabs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.25rem;
  background: var(--surface); border: 1px solid var(--line);
  padding: 0.3rem; border-radius: var(--radius); margin-bottom: 1rem;
}
.tabs.two { grid-template-columns: repeat(2, 1fr); }
.tab {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 0.88rem; font-weight: 600;
  padding: 0.6rem 0.3rem; border-radius: 10px; cursor: pointer;
}
.tab.active { background: var(--accent); color: #fff; }

.flash {
  background: var(--accent-soft); border: 1px solid var(--accent);
  color: var(--text); padding: 0.75rem 0.9rem; border-radius: var(--radius);
  margin-bottom: 1rem; font-size: 0.92rem;
}

.foot {
  color: var(--muted); font-size: 0.8rem; text-align: center;
  padding: 1.5rem 1rem 0; line-height: 1.5;
}

/* --------------------------------------------------------------- cards */

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem; margin-bottom: 0.75rem;
}
.card h2 { margin: 0 0 0.6rem; font-size: 1.1rem; letter-spacing: -0.01em; }
.card h3 { margin: 0 0 0.5rem; font-size: 0.95rem; letter-spacing: 0.01em; }
.card p { margin: 0 0 0.6rem; }
.card p:last-child { margin-bottom: 0; }

.hint { color: var(--muted); font-size: 0.84rem; }
.note { color: var(--muted); font-size: 0.86rem; }
.plain { white-space: normal; }
.sub { display: block; color: var(--muted); font-size: 0.78rem; font-weight: 400; }

/* ------------------------------------------------------- session header */

.session-head { border-left: 3px solid var(--accent); }
.crumbs { color: var(--muted); font-size: 0.8rem; letter-spacing: 0.02em; text-transform: uppercase; }
.session-head h2 { margin: 0.25rem 0 0.6rem; font-size: 1.35rem; }
.badges { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-bottom: 0.75rem; }
.badge {
  font-size: 0.74rem; font-weight: 700; padding: 0.25rem 0.55rem;
  border-radius: 999px; background: var(--surface-2); color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.block-accumulation { background: color-mix(in srgb, var(--volume) 18%, transparent); color: var(--volume); }
.badge.block-intensification { background: color-mix(in srgb, var(--strength) 18%, transparent); color: var(--strength); }
.badge.block-realisation { background: color-mix(in srgb, var(--peak) 18%, transparent); color: var(--peak); }
.badge.scheme { background: var(--surface-2); color: var(--muted); text-transform: none; letter-spacing: 0; }
.badge.deload { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); }
.badge.optional { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }

.bar { height: 5px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); }
.blurb { margin-top: 0.7rem; color: var(--muted); font-size: 0.9rem; }

/* ------------------------------------------------------------ controls */

.toggle-row, .setting {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.6rem 0; border-bottom: 1px solid var(--line);
}
.toggle-row:last-child, .setting:last-child { border-bottom: 0; padding-bottom: 0; }
.toggle-row:first-child, .setting:first-child { padding-top: 0; }

.switch {
  appearance: none; border: 1px solid var(--line); background: var(--surface-2);
  color: var(--muted); font: inherit; font-weight: 700; min-width: 68px;
  padding: 0.5rem 0.9rem; border-radius: 999px; cursor: pointer;
}
.switch.on { background: var(--accent); border-color: var(--accent); color: #fff; }

.seg { display: flex; gap: 0.25rem; background: var(--surface-2); padding: 0.25rem; border-radius: 10px; }
.seg-btn {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 0.82rem; font-weight: 600;
  padding: 0.45rem 0.6rem; border-radius: 7px; cursor: pointer;
}
.seg-btn.on { background: var(--accent); color: #fff; }

.chip {
  appearance: none; border: 1px solid var(--line); background: var(--surface-2);
  color: var(--muted); font: inherit; font-weight: 600;
  padding: 0.4rem 0.9rem; border-radius: 999px; cursor: pointer;
}
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.unit-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.9rem; }
.unit-row span { color: var(--muted); font-size: 0.85rem; margin-right: 0.25rem; }

/* --------------------------------------------------------------- blocks */

.block h3 { color: var(--muted); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.06em; }
.block.main { border-left: 3px solid var(--accent); }
.block.main h3 { color: var(--text); text-transform: none; font-size: 1.05rem; letter-spacing: -0.01em; }
.block.metcon { border-left: 3px solid var(--volume); }
.block.day4 { border-left: 3px solid var(--strength); }

.prescription { font-size: 1.05rem; font-weight: 700; }
.plates { color: var(--muted); font-size: 0.85rem; }

table.sets { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.sets th {
  text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); font-weight: 600; padding: 0.3rem 0.4rem; border-bottom: 1px solid var(--line);
}
table.sets td { padding: 0.5rem 0.4rem; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
table.sets tr:last-child td { border-bottom: 0; }
table.sets td.wt { font-weight: 700; }
table.sets td.pc, table.sets td.pl { color: var(--muted); font-size: 0.82rem; }
table.sets td.mv { font-weight: 600; }
table.sets td.rx { white-space: nowrap; }
tr.top-set td { background: var(--accent-soft); }
tr.top-set td.rx { color: var(--accent); font-weight: 800; }
tr.ramp td { opacity: 0.72; }
.top-note { margin-top: 0.6rem; color: var(--text); font-size: 0.86rem; }

/* -------------------------------------------------------------- inputs */

label { display: block; font-size: 0.8rem; color: var(--muted); font-weight: 600; }
label.wide { margin-top: 0.6rem; }
input, select {
  width: 100%; margin-top: 0.25rem; font: inherit; font-size: 1rem;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px; padding: 0.6rem 0.65rem;
}
.setting input { width: 92px; margin-top: 0; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
@media (max-width: 380px) { .grid3 { grid-template-columns: 1fr; } }

.setup-lift { border-top: 1px solid var(--line); padding-top: 0.85rem; margin-top: 0.85rem; }
.setup-lift h3 { font-size: 1rem; }
.seed-out { margin-top: 0.5rem; color: var(--accent); font-size: 0.86rem; font-weight: 600; }

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
button.primary, button.ghost, button.danger {
  appearance: none; font: inherit; font-weight: 700; cursor: pointer;
  padding: 0.8rem 1.1rem; border-radius: 11px; flex: 1 1 auto; min-height: 48px;
}
button.primary { background: var(--accent); border: 1px solid var(--accent); color: #fff; }
button.ghost { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); }
button.danger { background: transparent; border: 1px solid var(--bad); color: var(--bad); }
button.small { min-height: 0; padding: 0.45rem 0.75rem; font-size: 0.82rem; flex: 0 0 auto; }

/* ------------------------------------------------------------ progress */

.tm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
@media (max-width: 420px) { .tm-grid { grid-template-columns: 1fr; } }
.tm-cell { background: var(--surface-2); border-radius: 11px; padding: 0.7rem; }
.tm-lift { display: block; color: var(--muted); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; }
.tm-val { display: block; font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.tm-sub { display: block; color: var(--muted); font-size: 0.76rem; }
.tm-stall { display: block; color: var(--warn); font-size: 0.74rem; margin-top: 0.2rem; }

table.log { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: 0.86rem; }
table.log th {
  text-align: left; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); padding: 0.35rem 0.3rem; border-bottom: 1px solid var(--line);
}
table.log td { padding: 0.5rem 0.3rem; border-bottom: 1px solid var(--line); }
table.log tr:last-child td { border-bottom: 0; }
.delta { display: block; font-size: 0.74rem; color: var(--muted); }
td.v-up .delta { color: var(--good); }
td.v-down .delta, td.v-stall .delta { color: var(--warn); }
td.v-reset .delta { color: var(--bad); }

.chart { width: 100%; height: auto; display: block; }
.chart .s0 { stroke: var(--volume); }
.chart .s1 { stroke: var(--strength); }
.chart .s2 { stroke: var(--peak); }
.legend { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 0.5rem 0; font-size: 0.78rem; }
.key::before {
  content: ''; display: inline-block; width: 10px; height: 3px;
  border-radius: 2px; margin-right: 0.35rem; vertical-align: middle;
}
.key.k0::before { background: var(--volume); }
.key.k1::before { background: var(--strength); }
.key.k2::before { background: var(--peak); }

/* ------------------------------------------------------- storage and backups */

.warn-card { border-left: 3px solid var(--warn); }
.warn-card h3 { color: var(--warn); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.06em; }

dl.health { margin: 0; display: grid; grid-template-columns: 1fr; gap: 0; }
dl.health dt {
  color: var(--muted); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.05em; font-weight: 600; margin-top: 0.7rem;
}
dl.health dt:first-child { margin-top: 0; }
dl.health dd { margin: 0.15rem 0 0; font-size: 0.88rem; }
dl.health dd.good { color: var(--good); }
dl.health dd.warn { color: var(--warn); }

/* ------------------------------------------------------------------- guide */

.guide-intro { border-left: 3px solid var(--accent); }
.guide-intro p { font-size: 0.95rem; }

.guide-step .step-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; }
.guide-step .step-no {
  flex: 0 0 auto; width: 26px; height: 26px; border-radius: 999px;
  background: var(--accent); color: #fff; font-size: 0.82rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.guide-step h3 {
  margin: 0; font-size: 1rem; color: var(--text);
  text-transform: none; letter-spacing: -0.01em;
}
.guide-step p { font-size: 0.92rem; }
.guide-step ul { margin: 0 0 0.6rem; padding-left: 1.1rem; font-size: 0.92rem; }
.guide-step li { margin-bottom: 0.2rem; }
.guide-step em { color: var(--text); font-style: normal; font-weight: 600; }

.faq { border-top: 1px solid var(--line); padding-top: 0.7rem; margin-top: 0.7rem; }
.faq:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.faq .q { font-weight: 700; font-size: 0.9rem; margin-bottom: 0.2rem; }
.faq .a { color: var(--muted); font-size: 0.88rem; margin: 0; }

/* A button that has to read as a link: destructive actions should not look
   like the primary thing on the card. */
button.linkish {
  appearance: none; background: none; border: 0; padding: 0;
  font: inherit; font-size: inherit; color: var(--bad);
  text-decoration: underline; cursor: pointer;
}

/* ------------------------------------------------------------- training age */

.level-strip {
  margin-top: 0.7rem; padding: 0.65rem 0.75rem; border-radius: 11px;
  background: var(--surface-2); border-left: 3px solid var(--accent);
}
.level-strip strong { display: block; font-size: 0.95rem; }
.level-strip span { display: block; color: var(--muted); font-size: 0.84rem; }

.level-pick { display: grid; gap: 0.45rem; margin: 0.6rem 0; }
.level-opt {
  appearance: none; text-align: left; cursor: pointer; font: inherit;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 11px; padding: 0.7rem 0.8rem; color: var(--text);
}
.level-opt.on { border-color: var(--accent); background: var(--accent-soft); }
.level-opt strong { display: block; font-size: 0.92rem; }
.level-opt span { display: block; color: var(--muted); font-size: 0.82rem; margin-top: 0.15rem; }
.level-opt.on span { color: var(--text); }

.plan-strip { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.5rem; }
.plan-chip {
  font-size: 0.72rem; padding: 0.22rem 0.5rem; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.plan-chip.now { background: var(--accent); color: #fff; font-weight: 700; }

.sub-head {
  margin: 1rem 0 0.35rem; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--muted);
}