/* ============================================================
   Marathon Foundation Calendar — Performance theme
   Athletic / sports-app inspired (original).
   ============================================================ */

:root {
  /* Light theme defaults */
  --bg: #F2F2EF;
  --bg-2: #FFFFFF;       /* card */
  --bg-3: #E7E7E2;       /* sunk panel */
  --ink: #0A0A0A;
  --ink-2: #404040;
  --muted: #8C8C88;
  --rule: #E4E4E0;
  --rule-strong: #C8C8C2;

  --accent: #D9FF3D;          /* volt */
  --accent-ink: #0E1700;      /* readable on volt */
  --done: #22C55E;
  --danger: #EF4444;

  --sans: "Cera Pro", "Mona Sans", "Manrope", "DM Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --display: "Cera Pro", "Mona Sans", "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --maxw: 480px;
  --pad: 18px;
  --gap: 12px;
  --radius: 14px;
  --radius-sm: 8px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
}

[data-theme="dark"] {
  --bg: #060606;
  --bg-2: #131313;
  --bg-3: #1B1B1B;
  --ink: #FAFAF7;
  --ink-2: #B8B8B4;
  --muted: #7A7A75;
  --rule: #242421;
  --rule-strong: #36363A;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink); }
body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100dvh;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }

/* ============================================================
   App scaffold
   ============================================================ */
.app {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--bg);
}

/* ============================================================
   Top bar (mast)
   ============================================================ */
.masthead {
  padding: calc(16px + var(--safe-top)) var(--pad) 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand-mark {
  display: flex; align-items: center; gap: 9px;
}
.brand-mark .glyph {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.brand-mark .glyph::after {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.brand-mark .name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand-mark .name small {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}

.race-chip {
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  padding: 8px 12px 8px 8px;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.race-chip .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(217, 255, 61, 0.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(1.18); }
}
.race-chip b {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: -0.005em;
  text-transform: none;
}

/* ============================================================
   Section primitives
   ============================================================ */
.section { padding: 4px var(--pad) 0; }
.section + .section { padding-top: 22px; }

.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.eyebrow .dot {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.eyebrow .line { flex: 1; height: 1px; background: var(--rule); }
.eyebrow .em { color: var(--ink); }

/* Reusable card */
.card {
  background: var(--bg-2);
  border-radius: var(--radius);
  border: 1px solid var(--rule);
}

/* ============================================================
   HERO — Today's workout
   ============================================================ */
.hero {
  margin: 4px var(--pad) 16px;
  border-radius: 20px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
}
.hero .hero-head {
  padding: 16px 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.hero .now-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 8px;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero .now-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-ink);
}
.hero .now-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: right;
  line-height: 1.4;
}
.hero .focus-line {
  padding: 14px 18px 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.hero .workout-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 9vw, 46px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--ink);
  padding: 8px 18px 0;
  text-wrap: balance;
}
.hero .workout-sub {
  padding: 8px 18px 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.4;
}

.hero .tips {
  margin: 16px 18px 0;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.hero .tips .tip {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.45;
}
.hero .tips .tip .ix {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 4px;
  height: 18px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-top: 1px;
}

/* CTA row */
.cta-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 18px;
}
.cta {
  height: 52px;
  border-radius: 12px;
  font-family: var(--display);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.005em;
  display: flex; align-items: center; justify-content: center;
  gap: 9px;
  transition: transform 0.08s ease, background 0.15s ease, opacity 0.15s ease;
  padding: 0 22px;
}
.cta:active { transform: scale(0.985); }
.cta.primary {
  background: var(--ink);
  color: var(--bg);
}
.cta.primary.done {
  background: var(--done);
  color: white;
}
.cta.accent {
  background: var(--accent);
  color: var(--accent-ink);
}
.cta.ghost {
  background: var(--bg-3);
  color: var(--ink);
  border: 1px solid var(--rule);
}
.cta.icon-only {
  width: 52px; padding: 0;
}

/* ============================================================
   Stats — monumental 3-up
   ============================================================ */
.stats {
  margin: 0 var(--pad);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.stat {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100px;
}
.stat.dark {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.stat.dark .stat-label,
.stat.dark .stat-unit { color: rgba(255,255,255,0.55); }
.stat.accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.stat.accent .stat-label,
.stat.accent .stat-unit { color: rgba(14, 23, 0, 0.55); }

.stat .stat-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.stat .stat-value {
  font-family: var(--display);
  font-weight: 700;
  font-size: 40px;
  line-height: 0.92;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}
.stat .stat-value .small {
  font-size: 20px;
  letter-spacing: -0.02em;
}
.stat .stat-unit {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  align-self: baseline;
  margin-left: 2px;
}

/* ============================================================
   Progress — bars
   ============================================================ */
.progress-card {
  margin: 16px var(--pad) 0;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
}
.progress-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 14px;
}
.progress-head .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.progress-head .pct {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.progress-head .pct .small {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 4px;
  letter-spacing: 0.14em;
}

.week-bars {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
  height: 44px;
  align-items: end;
}
.week-bars > button {
  position: relative;
  height: 100%;
  background: var(--bg-3);
  border-radius: 4px;
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background 0.12s ease;
  overflow: hidden;
}
.week-bars > button .fill {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  border-radius: 4px;
  transition: height 0.3s ease;
}
.week-bars > button.current {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.week-bars > button.current .fill { background: var(--ink); }
.week-bars > button.full .fill { background: var(--done); }
.week-bars > button:hover .fill { opacity: 0.85; }
.week-bars > button .num {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
  z-index: 2;
  mix-blend-mode: difference;
  color: rgba(255,255,255,0.85);
}

/* ============================================================
   Workout cards (this week)
   ============================================================ */
.workout-list {
  padding: 0 var(--pad);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.workout {
  display: grid;
  grid-template-columns: 58px 1fr 28px;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.08s ease;
}
.workout:hover { border-color: var(--rule-strong); }
.workout:active { transform: scale(0.995); }
.workout.is-today {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink) inset;
}
.workout.completed { opacity: 0.55; }
.workout.completed .w-title {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
  text-decoration-color: var(--muted);
}

.workout .w-day {
  text-align: center;
  border-right: 1px solid var(--rule);
  padding-right: 14px;
}
.workout .w-day .dow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1;
}
.workout .w-day .num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}
.workout.is-today .w-day .num {
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 6px;
  padding: 2px 4px;
  display: inline-block;
}

.workout .w-focus {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 3px;
}
.workout .w-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.check {
  width: 28px; height: 28px;
  border: 1.5px solid var(--rule-strong);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
  background: transparent;
}
.check.is-done {
  background: var(--done);
  border-color: var(--done);
}
.check.is-done svg { display: block; }
.check svg { display: none; }
.workout.is-today .check {
  border-color: var(--ink);
}

/* ============================================================
   Race target card
   ============================================================ */
.target-card {
  margin: 20px var(--pad) 0;
  border-radius: var(--radius);
  padding: 18px;
  background: var(--ink);
  color: var(--bg);
  position: relative;
  overflow: hidden;
}
.target-card .tc-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 12px;
}
.target-card .tc-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.target-card .tc-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.025em;
  margin-bottom: 4px;
}
.target-card .tc-sub {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
}
.target-card .tc-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.target-card .tc-meta .lab {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 4px;
}
.target-card .tc-meta .val {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   PLAN screen
   ============================================================ */
.page-head {
  padding: 6px var(--pad) 4px;
}
.page-head .page-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(34px, 9vw, 44px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.page-head .page-sub {
  font-size: 14.5px;
  color: var(--ink-2);
  margin-top: 8px;
  max-width: 90%;
}

.plan-month {
  margin: 24px var(--pad) 0;
}
.plan-month-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.plan-month-head .mn-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent);
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 600;
  margin-bottom: 8px;
}
.plan-month-head .mn-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.plan-month-head .mn-goal {
  font-size: 13.5px;
  color: var(--ink-2);
  max-width: 50%;
  text-align: right;
  line-height: 1.35;
}

.plan-week {
  margin-top: 8px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-2);
}
.plan-week-head {
  padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: var(--bg-2);
}
.plan-week.open { border-color: var(--ink); }
.plan-week-head .wk-label {
  font-family: var(--display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.plan-week-head .wk-dates {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}
.plan-week-head .right {
  display: flex; align-items: center; gap: 12px;
}
.plan-week-head .wk-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.plan-week-head .wk-count b {
  color: var(--ink);
  font-weight: 600;
}
.plan-week-head .chev {
  width: 9px; height: 9px;
  border-right: 1.5px solid var(--ink-2);
  border-bottom: 1.5px solid var(--ink-2);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.plan-week.open .plan-week-head .chev { transform: rotate(-135deg); }
.plan-week-body {
  display: none;
  padding: 4px 16px 16px;
  border-top: 1px solid var(--rule);
  display: none;
  background: var(--bg);
}
.plan-week.open .plan-week-body { display: block; }
.plan-week-body .workout-list { padding: 8px 0 0; }

.now-pill {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

/* ============================================================
   GUIDE screen
   ============================================================ */
.guide-block {
  margin: 0 var(--pad);
  padding: 24px 0 22px;
  border-bottom: 1px solid var(--rule);
}
.guide-block .gb-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.guide-block .gb-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
}
.guide-block .gb-sub {
  font-size: 14.5px;
  color: var(--ink-2);
  margin-bottom: 18px;
  line-height: 1.4;
}

.rule-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
}
.rule-item:first-of-type { border-top: 0; padding-top: 0; }
.rule-item .num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--accent-ink);
  background: var(--accent);
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
}
.rule-item .rt {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.rule-item .rb {
  font-size: 14px;
  color: var(--ink-2);
  margin-top: 4px;
  line-height: 1.45;
}

.recovery-list {
  list-style: none;
  padding: 0; margin: 0;
}
.recovery-list li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  font-size: 14.5px;
  align-items: baseline;
}
.recovery-list li:first-of-type { border-top: 0; padding-top: 0; }
.recovery-list li .ix {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.recovery-list li .lab {
  font-family: var(--display);
  font-weight: 600;
  color: var(--ink);
}
.recovery-list li .note {
  display: block;
  color: var(--ink-2);
  font-size: 13.5px;
  margin-top: 2px;
}

/* Lagos spots — map-card style */
.spot {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 14px;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--bg-2);
  margin-bottom: 8px;
  align-items: center;
}
.spot .sp-icon {
  width: 80px; height: 80px;
  border-radius: 10px;
  background: var(--bg-3);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.spot .sp-icon::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 9px, rgba(10,10,10,0.06) 9px 10px),
    radial-gradient(circle at 30% 40%, var(--bg-2) 12%, transparent 13%),
    radial-gradient(circle at 70% 70%, var(--bg-2) 8%, transparent 9%);
}
.spot .sp-icon::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--ink);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.spot .sp-icon .pin-line {
  position: absolute;
  width: 1px;
  background: var(--ink);
  top: 50%; left: 50%;
  height: 20px;
  transform: translateX(-50%);
  opacity: 0.3;
}
.spot .sp-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
.spot .sp-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 5px;
}

/* ============================================================
   Tab bar (bottom)
   ============================================================ */
.tabbar {
  position: sticky;
  bottom: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 8px 8px calc(8px + var(--safe-bot));
  margin-top: auto;
  gap: 4px;
}
.tabbar button {
  padding: 8px 4px 6px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.15s ease, background 0.15s ease;
}
.tabbar button svg { width: 22px; height: 22px; }
.tabbar button svg path,
.tabbar button svg circle,
.tabbar button svg rect { stroke: currentColor; }
.tabbar button.active { color: var(--ink); }
.tabbar button.active .tab-icon { color: var(--ink); }

/* ============================================================
   Detail sheet
   ============================================================ */
.sheet-scrim {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.sheet-scrim.open { opacity: 1; pointer-events: auto; }

.sheet {
  position: fixed;
  left: 50%;
  transform: translate(-50%, 100%);
  bottom: 0;
  width: 100%;
  max-width: var(--maxw);
  background: var(--bg);
  border-top-left-radius: 22px;
  border-top-right-radius: 22px;
  z-index: 101;
  transition: transform 0.28s cubic-bezier(0.32, 0.72, 0, 1);
  max-height: 92vh;
  max-height: 92dvh;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  border-bottom: 0;
  box-shadow: 0 -20px 60px rgba(0,0,0,0.35);
}
.sheet.open { transform: translate(-50%, 0); }
.sheet .grabber {
  width: 38px; height: 4px;
  background: var(--rule-strong);
  border-radius: 2px;
  margin: 10px auto 6px;
}
.sheet-scroll { overflow-y: auto; padding-bottom: 20px; }

.sheet-head {
  padding: 14px var(--pad) 16px;
  border-bottom: 1px solid var(--rule);
}
.sheet-head .crumb {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.sheet-head .crumb .close {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  line-height: 1;
  color: var(--ink-2);
}
.sheet-head .focus-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.sheet-head .stitle {
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  text-wrap: balance;
}
.sheet-head .ssub {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.4;
}

.sheet-body { padding: 16px var(--pad); }
.sheet-body .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 18px 0 10px;
}
.sheet-body .label:first-child { margin-top: 0; }

.tip-list {}
.tip-list .tip-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--rule);
}
.tip-list .tip-item:first-child { border-top: 0; padding-top: 0; }
.tip-list .tip-item .ix {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  height: 18px;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
}
.tip-list .tip-item .tx {
  font-size: 14.5px;
  line-height: 1.4;
  color: var(--ink);
}

.feel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.feel button {
  padding: 12px 6px 10px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: all 0.15s ease;
  background: var(--bg-2);
}
.feel button .gl {
  display: block;
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 4px;
}
.feel button.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.feel button.active .gl { color: var(--bg); }

.note-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.note-grid input,
.note-area {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}
.note-grid input:focus,
.note-area:focus { border-color: var(--ink); }
.note-area { resize: vertical; min-height: 90px; line-height: 1.5; }

.sheet-foot {
  padding: 14px var(--pad) calc(16px + var(--safe-bot));
  border-top: 1px solid var(--rule);
  background: var(--bg);
  display: flex; gap: 10px;
}

/* ============================================================
   Print / screenshot
   ============================================================ */
@media print {
  .tabbar, .sheet, .sheet-scrim { display: none !important; }
  body { background: white; }
  .app { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ============================================================
   Auth screen
   ============================================================ */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.auth-spinner {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2.5px solid var(--rule);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
.auth-wrap {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 20px;
}
.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}
.auth-glyph {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--ink);
  position: relative;
  flex-shrink: 0;
}
.auth-glyph::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
}
.auth-brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--ink);
}
.auth-brand-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}
.auth-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 8px;
}
.auth-body {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.4;
  margin: 0 0 22px;
}
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-3);
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 18px;
}
.auth-tabs button {
  padding: 9px;
  border-radius: 8px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  transition: all 0.15s ease;
}
.auth-tabs button.active {
  background: var(--bg-2);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}
.auth-fields {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.auth-input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 12px;
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}
.auth-input:focus { border-color: var(--ink); }
.auth-error {
  margin-top: 10px;
  font-size: 13px;
  color: var(--danger);
  padding: 10px 12px;
  background: rgba(239, 68, 68, 0.08);
  border-radius: 8px;
  line-height: 1.4;
}
.auth-verify-icon {
  color: var(--ink);
  margin-bottom: 16px;
}
.auth-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-input-pw {
  width: 100%;
  padding-right: 48px;
}
.auth-pw-toggle {
  position: absolute;
  right: 14px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 6px;
  transition: color 0.15s ease;
}
.auth-pw-toggle:hover { color: var(--ink); }