/* reckoner.fit — Coach's Log
   Vanilla CSS, zero build step. Auto light/dark via prefers-color-scheme,
   overridable with [data-theme="light|dark"] on <html>. */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-voice: Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;

  --radius: 8px;
  --radius-card: 12px;
  --maxw: 720px;

  /* light (default) */
  --surface-0: #f6f5f1;   /* page */
  --surface-1: #efeee8;   /* inset tile */
  --surface-2: #ffffff;   /* raised card */
  --border: rgba(0, 0, 0, 0.09);
  --border-strong: rgba(0, 0, 0, 0.16);

  --text-primary: #23221e;
  --text-secondary: #605e57;
  --text-muted: #928f86;

  --accent: #185fa5;
  --accent-bg: #e6f1fb;
  --success: #0f6e56;
  --success-bg: #e1f5ee;
  --warning: #854f0b;
  --warning-bg: #faeeda;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface-0: #17150f;
    --surface-1: #201d16;
    --surface-2: #2a271f;
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);

    --text-primary: #f2f0e9;
    --text-secondary: #b6b2a7;
    --text-muted: #7f7c72;

    --accent: #85b7eb;
    --accent-bg: rgba(23, 95, 165, 0.22);
    --success: #5dcaa5;
    --success-bg: rgba(15, 110, 86, 0.22);
    --warning: #ef9f27;
    --warning-bg: rgba(133, 79, 11, 0.24);
  }
}

:root[data-theme="dark"] {
  --surface-0: #17150f;
  --surface-1: #201d16;
  --surface-2: #2a271f;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text-primary: #f2f0e9;
  --text-secondary: #b6b2a7;
  --text-muted: #7f7c72;
  --accent: #85b7eb;
  --accent-bg: rgba(23, 95, 165, 0.22);
  --success: #5dcaa5;
  --success-bg: rgba(15, 110, 86, 0.22);
  --warning: #ef9f27;
  --warning-bg: rgba(133, 79, 11, 0.24);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface-0);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 20px 20px 64px; }

/* masthead */
.masthead {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.brand { display: flex; align-items: baseline; gap: 2px; }
.brand b { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.brand span { font-size: 13px; color: var(--text-muted); }
.meta { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.theme-toggle {
  background: none; border: 0.5px solid var(--border-strong); color: var(--text-secondary);
  border-radius: var(--radius); padding: 5px 9px; cursor: pointer; font-size: 13px;
}
.theme-toggle:hover { background: var(--surface-1); }

/* today card */
.card {
  background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 18px 20px;
}
.today-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.eyebrow { font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em; text-transform: uppercase; }
.day-name { font-size: 18px; font-weight: 500; }
.pill {
  font-size: 12px; padding: 5px 12px; border-radius: var(--radius);
  background: var(--accent-bg); color: var(--accent);
}

.lift {
  display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center;
  padding: 10px 0; border-top: 0.5px solid var(--border);
}
.lift:last-child { border-bottom: 0.5px solid var(--border); }
.lift-name { font-size: 15px; }
.lift-scheme { font-size: 12px; color: var(--text-muted); margin-left: 4px; }
.lift-load { font-size: 14px; font-weight: 500; }
.lift-rpe {
  font-size: 11px; color: var(--text-secondary); background: var(--surface-1);
  padding: 3px 8px; border-radius: var(--radius); min-width: 54px; text-align: center;
}
.tag-rotate { font-size: 11px; color: var(--accent); margin-left: 6px; }

/* changelog */
.section-label { font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em;
  text-transform: uppercase; margin: 26px 0 12px; }
.log-item { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.log-icon { font-size: 16px; margin-top: 1px; flex: none; }
.log-icon.up { color: var(--success); }
.log-icon.rot { color: var(--accent); }
.log-icon.hold { color: var(--warning); }
.log-text { font-size: 15px; line-height: 1.5; }
.log-text b { font-weight: 500; }
.log-text .quote { font-family: var(--font-voice); font-style: italic; }
.log-text a { color: var(--accent); text-decoration: none; }
.log-empty { color: var(--text-secondary); font-size: 15px; }

/* stat row */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 24px; }
.stat { background: var(--surface-1); border-radius: var(--radius); padding: 14px 16px; }
.stat-label { font-size: 12px; color: var(--text-secondary); }
.stat-value { font-size: 22px; font-weight: 500; margin-top: 2px; }
.stat-value.good { color: var(--success); }
.stat-value small { font-size: 13px; color: var(--text-muted); font-weight: 400; }

.banner {
  font-size: 13px; color: var(--warning); background: var(--warning-bg);
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 16px;
}

/* nav */
.nav { display: flex; flex-wrap: wrap; gap: 4px; margin: 4px 0 18px; }
.nav a {
  font-size: 14px; color: var(--text-secondary); text-decoration: none;
  padding: 6px 12px; border-radius: var(--radius);
}
.nav a:hover { background: var(--surface-1); color: var(--text-primary); }
.nav a.active { color: var(--text-primary); background: var(--surface-1); font-weight: 500; }

/* athlete controls */
.controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 14px 18px; margin-bottom: 20px;
}
.controls label { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.controls .field { display: flex; align-items: center; gap: 8px; flex: 1 1 220px; }
.controls input[type="range"] { flex: 1; accent-color: var(--accent); }
.controls .bw-val { font-size: 15px; font-weight: 500; min-width: 62px; }
.seg { display: inline-flex; border: 0.5px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; }
.seg button {
  background: none; border: 0; padding: 6px 14px; font-size: 13px; cursor: pointer;
  color: var(--text-secondary); font-family: inherit;
}
.seg button.on { background: var(--accent); color: #fff; }

/* tier bar */
.tier-lift { margin-bottom: 22px; }
.tier-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.tier-name { font-size: 15px; }
.tier-name small { color: var(--text-muted); font-size: 12px; margin-left: 6px; }
.tier-badge { font-size: 12px; font-weight: 500; padding: 3px 10px; border-radius: var(--radius); }
.tier-track {
  position: relative; height: 34px; border-radius: var(--radius);
  display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; overflow: hidden;
  border: 0.5px solid var(--border);
}
.tier-seg { border-right: 0.5px solid var(--surface-0); }
.tier-seg:last-child { border-right: 0; }
.tier-marker {
  position: absolute; top: -3px; bottom: -3px; width: 3px; border-radius: 2px;
  background: var(--text-primary); transform: translateX(-50%);
}
.tier-marker::after {
  content: ""; position: absolute; top: -5px; left: 50%; transform: translateX(-50%);
  border-left: 5px solid transparent; border-right: 5px solid transparent;
  border-top: 6px solid var(--text-primary);
}
.tier-scale { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; margin-top: 5px; }
.tier-scale span { font-size: 10px; color: var(--text-muted); text-align: center; letter-spacing: 0.01em; }
.tier-foot { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }
.tier-foot b { color: var(--text-primary); font-weight: 500; }

.disclaimer { font-size: 12px; color: var(--text-muted); margin-top: 8px; line-height: 1.5; }

/* nutrition — the 'why' behind the target */
.why-list { margin: 8px 0 20px; padding-left: 18px; }
.why-list li { font-size: 13px; color: var(--text-secondary); line-height: 1.55; margin-bottom: 6px; }

/* nutrition — the template day */
.seg-sm button { padding: 4px 11px; font-size: 12px; }
.meal-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
.chip {
  background: none; border: 0.5px solid var(--border-strong); color: var(--text-secondary);
  border-radius: var(--radius); padding: 5px 11px; font: inherit; font-size: 12px; cursor: pointer;
}
.chip:hover { background: var(--surface-1); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
/* action chip (shuffle) — not a toggle, so it sits apart at the end of the row */
.chip-action { margin-left: auto; color: var(--accent); border-style: dashed; }
.chip-action i { font-size: 13px; vertical-align: -1px; }
.meals { display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; }
.meal {
  background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 12px 16px;
}
.meal.is-pinned { border-color: var(--accent); }
.meal-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.meal-slot { font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); }
.meal-kcal { font-size: 12px; color: var(--text-muted); text-align: right; }

/* the dish a meal holds — the headline of the card */
.dish-head { display: flex; align-items: center; gap: 8px; margin: 2px 0 6px; }
.dish-title { flex: 1; font-size: 15px; font-weight: 500; }
.dish-swap { position: relative; flex: 1; display: inline-flex; }
.dish-swap::after {
  content: "\2304"; position: absolute; right: 4px; top: 50%; transform: translateY(-65%);
  pointer-events: none; color: var(--text-muted); font-size: 13px;
}
.dish-select {
  width: 100%; appearance: none; -webkit-appearance: none; background: transparent;
  border: 0; border-bottom: 1px dashed var(--border-strong); color: var(--text-primary);
  font: inherit; font-size: 15px; font-weight: 500; padding: 1px 18px 3px 0;
  cursor: pointer; border-radius: 0;
}
.dish-select:hover { color: var(--accent); border-bottom-color: var(--accent); }
.dish-select:focus-visible { outline: none; border-bottom-color: var(--accent); }
.dish-select option { color: var(--text-primary); background: var(--surface-2); font-weight: 400; }
.pin {
  background: none; border: 0.5px solid var(--border-strong); color: var(--text-muted);
  border-radius: var(--radius); padding: 4px 8px; line-height: 1; cursor: pointer;
}
.pin:hover { background: var(--surface-1); color: var(--text-secondary); }
.pin.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.food-row { display: flex; align-items: baseline; gap: 10px; padding: 6px 0; border-top: 0.5px solid var(--border); font-size: 13px; }
.food-row:first-of-type { border-top: 0; }
.food-name { flex: 1; }
.food-qty { color: var(--text-secondary); min-width: 60px; text-align: right; white-space: nowrap; }
.food-macros { color: var(--text-muted); font-family: var(--font-mono); font-size: 11px; min-width: 108px; text-align: right; }
/* your own dishes + the builder */
.own-row { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-top: 0.5px solid var(--border); font-size: 13px; }
.own-row:first-of-type { border-top: 0; }
.own-name { flex: 1; }
.own-meals { color: var(--text-muted); font-size: 11px; }
.builder {
  background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 14px 16px; margin-top: 10px;
}
.bld-name {
  width: 100%; background: transparent; border: 0; border-bottom: 1px dashed var(--border-strong);
  color: var(--text-primary); font: inherit; font-size: 15px; font-weight: 500; padding: 2px 0 5px;
}
.bld-name:focus-visible { outline: none; border-bottom-color: var(--accent); }
.bld-label { font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-muted); margin: 14px 0 6px; }
.bld-hint { text-transform: none; letter-spacing: 0; font-size: 11px; }
.bld-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.bld-row { display: flex; align-items: center; gap: 6px; padding: 4px 0; flex-wrap: wrap; }
.bld-food {
  flex: 1 1 150px; background: var(--surface-1); border: 0.5px solid var(--border-strong);
  color: var(--text-primary); font: inherit; font-size: 13px; border-radius: var(--radius); padding: 5px 7px;
}
.bld-amt {
  width: 68px; background: var(--surface-1); border: 0.5px solid var(--border-strong);
  color: var(--text-primary); font: inherit; font-size: 13px; border-radius: var(--radius); padding: 5px 7px;
}
.bld-unit { font-size: 12px; color: var(--text-muted); min-width: 44px; }
.bld-remove {
  background: none; border: 0; color: var(--text-muted); font-size: 17px;
  line-height: 1; cursor: pointer; padding: 0 4px;
}
.bld-remove:hover { color: var(--warning); }
.bld-actions { display: flex; align-items: center; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.bld-error { font-size: 12px; color: var(--warning); }

.day-total {
  font-size: 13px; color: var(--text-secondary); background: var(--surface-1);
  border-radius: var(--radius); padding: 11px 15px; margin-bottom: 18px; line-height: 1.5;
}
.day-total b { color: var(--text-primary); font-weight: 500; }

/* login */
.login-card {
  max-width: 380px; margin: 8vh auto 0; background: var(--surface-2);
  border: 0.5px solid var(--border); border-radius: var(--radius-card); padding: 28px 26px;
}
.login-card h1 { font-size: 20px; font-weight: 500; margin: 0 0 4px; }
.login-card .sub { font-size: 14px; color: var(--text-secondary); margin: 0 0 20px; }
.login-card label { font-size: 13px; color: var(--text-secondary); display: block; margin-bottom: 6px; }
.login-card input { width: 100%; margin-bottom: 14px; }
.login-card .btn-primary { width: 100%; }
.login-card .msg { font-size: 13px; margin-top: 12px; min-height: 18px; }
.login-card .msg.err { color: var(--warning); }
.login-card .link { background: none; border: 0; color: var(--accent); font-size: 13px;
  cursor: pointer; padding: 0; margin-top: 14px; font-family: inherit; }
.code-input { letter-spacing: 0.4em; text-align: center; font-size: 20px; font-family: var(--font-mono); }

/* account chip in masthead */
.acct { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.acct-email { color: var(--text-secondary); max-width: 180px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.acct-logout { background: none; border: 0.5px solid var(--border-strong); color: var(--text-secondary);
  border-radius: var(--radius); padding: 5px 9px; cursor: pointer; font-size: 13px; font-family: inherit; }
.acct-logout:hover { background: var(--surface-1); }

/* form controls (shared) */
select, input[type="number"], input[type="text"], textarea {
  font-family: inherit; font-size: 15px; color: var(--text-primary);
  background: var(--surface-2); border: 0.5px solid var(--border-strong);
  border-radius: var(--radius); padding: 8px 10px;
}
select:focus, input:focus, textarea:focus {
  outline: none; box-shadow: 0 0 0 2px var(--accent-bg); border-color: var(--accent);
}
.btn-primary {
  font-family: inherit; font-size: 15px; font-weight: 500; cursor: pointer;
  background: var(--accent); color: #fff; border: 0; border-radius: var(--radius);
  padding: 10px 18px;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

/* session logger */
.log-ex { background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 14px 16px; margin-bottom: 12px; }
.log-ex.skipped { opacity: 0.45; }
.log-ex-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.log-ex-name { font-size: 15px; font-weight: 500; }
.log-ex-target { font-size: 12px; color: var(--text-muted); margin-left: 6px; }
.log-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.set-inputs { display: flex; align-items: center; gap: 6px; }
.set-inputs label { font-size: 12px; color: var(--text-secondary); margin-right: 2px; }
.set-inputs input { width: 46px; text-align: center; padding: 6px 4px; }
.rpe-pick { display: inline-flex; border: 0.5px solid var(--border-strong); border-radius: var(--radius); overflow: hidden; }
.rpe-pick button { background: none; border: 0; padding: 6px 10px; font-size: 13px; cursor: pointer; color: var(--text-secondary); font-family: inherit; }
.rpe-pick button.on { background: var(--accent); color: #fff; }
.done-toggle { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; margin-left: auto; cursor: pointer; }
.note-box { width: 100%; min-height: 64px; resize: vertical; margin-top: 4px; }
.note-help { font-size: 12px; color: var(--text-muted); margin: 12px 0 4px; }
.log-success { background: var(--success-bg); color: var(--success); border-radius: var(--radius-card); padding: 16px 18px; font-size: 15px; }
.log-success a { color: var(--accent); text-decoration: none; }

/* week review */
.rev-summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 12px; background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 16px 18px; margin-bottom: 16px; }
.rev-summary .headline { font-size: 16px; font-weight: 500; }
.rev-summary .sub { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.rev-warn { font-size: 13px; color: var(--warning); background: var(--warning-bg);
  border-radius: var(--radius); padding: 10px 14px; margin-bottom: 16px; }
.rev-day { background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 14px 16px; margin-bottom: 12px; }
.rev-day.held { border-color: var(--border-warning, var(--border-strong)); }
.rev-day-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.rev-day-name { font-size: 15px; font-weight: 500; }
.rev-day-name small { color: var(--text-muted); font-size: 12px; margin-left: 6px; font-weight: 400; }
.rev-badge { font-size: 11px; padding: 3px 9px; border-radius: var(--radius); }
.rev-badge.held { background: var(--warning-bg); color: var(--warning); }
.rev-badge.unlogged { background: var(--surface-1); color: var(--text-muted); }
.rev-ex { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: baseline;
  padding: 7px 0; border-top: 0.5px solid var(--border); }
.rev-ex-main { font-size: 14px; }
.rev-ex-name { color: var(--text-primary); }
.rev-ex-diff { color: var(--text-secondary); font-size: 13px; margin-left: 6px; }
.rev-ex-note { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.chg { font-size: 11px; padding: 3px 9px; border-radius: var(--radius); white-space: nowrap; }
.chg.increase { background: var(--success-bg); color: var(--success); }
.chg.reps { background: var(--accent-bg); color: var(--accent); }
.chg.deload { background: var(--warning-bg); color: var(--warning); }
.chg.hold { background: var(--surface-1); color: var(--text-muted); }

/* devices — pair a watch + manage linked ones */
.pair-help { font-size: 14px; color: var(--text-secondary); margin: 0 0 14px; }
.pair-help b { font-weight: 500; color: var(--text-primary); }
.pair-form { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.pair-input { width: 190px; text-transform: uppercase; padding: 9px 10px; }
.pair-input::placeholder { color: var(--text-muted); letter-spacing: 0.2em; }
.pair-msg { font-size: 14px; line-height: 1.5; margin-top: 12px; min-height: 20px; }
.pair-msg.ok { color: var(--success); }
.pair-msg.err { color: var(--warning); }
.pair-msg i { vertical-align: -1px; margin-right: 2px; }

.dev-loading, .dev-empty { font-size: 15px; color: var(--text-secondary); }
.dev { background: var(--surface-2); border: 0.5px solid var(--border);
  border-radius: var(--radius-card); padding: 14px 16px; margin-bottom: 12px;
  display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.dev.confirming { border-color: var(--border-strong); }
.dev-label { font-size: 15px; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.dev-label i { color: var(--text-muted); font-size: 17px; }
.dev-meta { font-size: 13px; color: var(--text-secondary); margin-top: 3px;
  display: flex; flex-wrap: wrap; gap: 4px 10px; }
/* separator trails the first item, so a wrap doesn't orphan a "·" at the start
   of the next line */
.dev-meta span:not(:last-child)::after { content: " ·"; color: var(--text-muted); }
.dev-unused { color: var(--text-muted); }
.dev-model { font-size: 12px; color: var(--text-muted); font-weight: 400; }
.dev-actions { display: flex; gap: 8px; }
.dev-rename, .dev-remove { background: none; border: 0.5px solid var(--border-strong);
  color: var(--text-secondary); border-radius: var(--radius); padding: 6px 12px;
  cursor: pointer; font-size: 13px; font-family: inherit; }
.dev-rename:hover { background: var(--surface-1); color: var(--text-primary); }
.dev-remove:hover { background: var(--warning-bg); color: var(--warning); border-color: var(--warning); }
.dev-rename-form { grid-column: 1 / -1; margin-top: 10px; padding-top: 12px;
  border-top: 0.5px solid var(--border); }
.dev-rename-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.dev-rename-controls input { flex: 1 1 200px; font-size: 14px; padding: 6px 10px; }
.dev-save { font-size: 13px; padding: 6px 14px; }
.dev-rename-hint { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.dev-confirm { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 10px; margin-top: 10px; padding-top: 12px;
  border-top: 0.5px solid var(--border); }
.dev-confirm-text { font-size: 13px; color: var(--text-secondary); flex: 1 1 240px; }
.dev-confirm-text b { color: var(--text-primary); font-weight: 500; }
.dev-confirm-actions { display: flex; gap: 8px; }
.dev-cancel { background: none; border: 0.5px solid var(--border-strong); color: var(--text-secondary);
  border-radius: var(--radius); padding: 6px 12px; cursor: pointer; font-size: 13px; font-family: inherit; }
.dev-cancel:hover { background: var(--surface-1); }
.btn-danger { font-family: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
  background: var(--warning); color: var(--surface-2); border: 0; border-radius: var(--radius);
  padding: 6px 14px; }
.btn-danger:hover { filter: brightness(1.06); }
.btn-danger:disabled { opacity: 0.5; cursor: not-allowed; }

/* history chart */
#chart-wrap { margin-bottom: 8px; }
.chart-caption { font-size: 14px; color: var(--text-primary); margin-bottom: 2px; }
.chart-caption b { font-weight: 500; }
.chart-caption .swap { font-size: 12px; color: var(--accent); margin-left: 8px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px;
  color: var(--text-secondary); margin: 6px 0 8px; }
.chart-legend span { display: flex; align-items: center; gap: 5px; }
.chart-legend .dot { width: 9px; height: 9px; border-radius: 50%; }
.chart-legend .sq { width: 10px; height: 10px; border-radius: 2px; }
#chart text { font-family: var(--font-sans); }

@media (max-width: 520px) {
  .wrap { padding: 16px 16px 56px; }
  .stats { grid-template-columns: 1fr; }
  .meta { display: none; }
  /* two action buttons leave too little room for the device name beside them —
     give the name the full width and drop the buttons onto their own row */
  .dev { grid-template-columns: 1fr; }
  .dev-actions { justify-content: flex-end; }
}
