:root {
  --bg: #eef1f5;
  --panel: #f4f6f9;
  --card: #ffffff;
  --ink: #21384f;          /* dark navy text / numbers */
  --ink-soft: #4f6478;
  --muted: #93a4b5;
  --line: #dde3ea;
  --coral: #f1585e;
  --coral-dark: #e23b40;
  --run: #1f3550;
  --walk: #f3868a;
  --warmup: #f1585e;
  --cooldown: #a78bfa;
  --done: #34c759;
  --radius: 16px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body { overflow-x: hidden; }
h1, h2 { margin: 0; }

/* ============================================================
   RUN SCREEN  (full viewport: hero on top, panel below)
   ============================================================ */
.screen {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ---------- hero (phase background + name) ---------- */
.hero {
  position: relative;
  flex: 1 1 auto;
  min-height: 46vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transition: opacity 0.5s ease;
}
/* a soft scrim so the white phase text always reads */
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.28) 100%);
  pointer-events: none;
}

/* per-phase scenic gradients (sunrise for walk/warmup, twilight for jog) */
.hero[data-type="warmup"] .hero-bg {
  background:
    radial-gradient(120% 80% at 75% 18%, #ffe9c2 0%, rgba(255,233,194,0) 55%),
    radial-gradient(90% 70% at 80% 25%, #ffd27a 0%, rgba(255,210,122,0) 50%),
    linear-gradient(160deg, #ff9d7a 0%, #f1585e 55%, #d94b63 100%);
}
.hero[data-type="walk"] .hero-bg {
  background:
    radial-gradient(120% 80% at 78% 22%, #ffe1e6 0%, rgba(255,225,230,0) 55%),
    radial-gradient(90% 60% at 82% 30%, #ffd6b0 0%, rgba(255,214,176,0) 50%),
    linear-gradient(160deg, #ff8fa3 0%, #f1585e 60%, #e06a86 100%);
}
.hero[data-type="run"] .hero-bg {
  background:
    radial-gradient(100% 70% at 50% 0%, #2a4a6e 0%, rgba(42,74,110,0) 55%),
    linear-gradient(170deg, #16263b 0%, #1f3550 55%, #0f1d2e 100%);
}
.hero[data-type="cooldown"] .hero-bg {
  background:
    radial-gradient(110% 80% at 70% 20%, #d9c6ff 0%, rgba(217,198,255,0) 55%),
    linear-gradient(160deg, #8f7bd6 0%, #6f5bbd 60%, #4f3f97 100%);
}
.hero-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(14px, env(safe-area-inset-top)) 16px 0;
}
.wordmark { color: #fff; font-weight: 700; letter-spacing: 2px; font-size: 17px; text-shadow: 0 1px 4px rgba(0,0,0,0.25); }
.wordmark sup { font-size: 9px; }
.icon-btn {
  width: 40px; height: 40px; border: none; background: transparent;
  display: flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; padding: 0 6px;
}
.icon-btn span { height: 2.5px; border-radius: 2px; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.25); }
.day-chip {
  border: 1.5px solid rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.5px;
  border-radius: 999px;
  padding: 7px 13px;
  cursor: pointer;
  backdrop-filter: blur(4px);
}

.hero-phase {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 0 20px 22px;
  text-align: center;
}
.phase-name {
  color: #fff;
  font-weight: 300;
  font-size: clamp(38px, 12vw, 60px);
  letter-spacing: 6px;
  text-transform: uppercase;
  text-shadow: 0 2px 16px rgba(0,0,0,0.35);
  line-height: 1;
}
.next-pill {
  display: inline-block;
  margin-top: 12px;
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.6px;
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* ---------- control panel ---------- */
.panel {
  position: relative;
  flex: 0 0 auto;
  background: var(--panel);
  padding: 0 0 max(12px, env(safe-area-inset-bottom));
}

/* segmented interval bar sits flush at the top of the panel */
.segbar {
  display: flex;
  gap: 2px;
  height: 12px;
  width: 100%;
  overflow: hidden;
}
.seg {
  position: relative;
  height: 100%;
  background: #f0c4c6;        /* upcoming */
  overflow: hidden;
  min-width: 2px;
}
.seg[data-type="run"] { background: #c9d2dd; }
.seg[data-type="walk"] { background: #f7c9cc; }
.seg[data-type="warmup"], .seg[data-type="cooldown"] { background: #f0c4c6; }
.seg .seg-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  transition: width 0.25s linear;
}
.seg[data-type="run"] .seg-fill { background: var(--run); }
.seg[data-type="walk"] .seg-fill { background: var(--coral); }
.seg[data-type="warmup"] .seg-fill { background: var(--coral); }
.seg[data-type="cooldown"] .seg-fill { background: var(--cooldown); }
.seg.done .seg-fill { width: 100% !important; }

/* countdown row */
.count-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 14px 20px 8px;
}
.rep {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  justify-self: start;
}
.count {
  font-size: clamp(54px, 17vw, 76px);
  font-weight: 300;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  line-height: 1;
}
.repeat-btn {
  justify-self: end;
  width: 44px; height: 44px;
  border: none; background: transparent;
  color: var(--coral);
  font-size: 24px; cursor: pointer;
}

.rule { height: 1px; background: var(--line); margin: 6px 20px; }

/* elapsed / remain */
.er-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 8px 20px 14px;
}
.er { display: flex; align-items: baseline; gap: 12px; flex: 1; }
.er:first-child { justify-content: flex-start; }
.er:last-child { justify-content: flex-end; }
.er-key { color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: 1px; }
.er-val { color: var(--ink); font-size: 30px; font-weight: 400; font-variant-numeric: tabular-nums; }
.er-div { width: 1px; align-self: stretch; background: var(--line); }

/* main controls — full-width coral button with skip arrows */
.main-controls {
  display: grid;
  grid-template-columns: 64px 1fr 64px;
  align-items: stretch;
  gap: 0;
  height: 66px;
}
.play, .skip {
  border: none;
  background: var(--coral);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  transition: background 0.15s, transform 0.06s;
}
.play:active, .skip:active { transform: scale(0.98); }
.play { font-size: 22px; letter-spacing: 3px; }
.play.running { background: var(--coral-dark); }
.skip { font-size: 26px; background: var(--coral); opacity: 0.96; }
.skip:first-child { box-shadow: inset -1px 0 0 rgba(255,255,255,0.25); }
.skip:last-child { box-shadow: inset 1px 0 0 rgba(255,255,255,0.25); }

/* lock */
.lock-btn {
  display: block;
  margin: 14px auto 4px;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 2px solid var(--coral);
  background: transparent;
  color: var(--coral);
  font-size: 18px;
  cursor: pointer;
}
.lock-scrim[hidden] { display: none; }
.lock-scrim {
  position: absolute;
  inset: 0;
  z-index: 30;
  background: rgba(244,246,249,0.86);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.unlock {
  border: 2px solid var(--coral);
  color: var(--coral);
  background: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 22px;
  border-radius: 999px;
  cursor: pointer;
}
.screen.locked .main-controls,
.screen.locked .day-chip,
.screen.locked #menuBtn,
.screen.locked .repeat-btn { pointer-events: none; opacity: 0.55; }

.scroll-hint {
  text-align: center;
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.6px;
  padding: 8px 0 14px;
  cursor: pointer;
}

/* ============================================================
   DETAILS SHEET
   ============================================================ */
.sheet {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 14px 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 6px 18px rgba(33,56,79,0.05);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.card-head h2 { font-size: 15px; }
.muted { color: var(--muted); font-size: 12.5px; }
.summary { color: var(--ink-soft); font-size: 14px; margin: 2px 0 6px; }
.hint { color: var(--muted); font-size: 11.5px; margin: 8px 0 0; }

.selectors { display: flex; gap: 10px; }
.selectors label { font-size: 11px; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
select {
  background: #fff; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 6px 10px; font-size: 14px; font-weight: 600;
}

/* timeline */
.timeline { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.seg-row {
  display: grid; grid-template-columns: 14px 1fr auto;
  align-items: center; gap: 10px;
  padding: 7px 8px; border-radius: 9px; font-size: 14px;
}
.seg-row .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.seg-row.t-run .dot { background: var(--run); }
.seg-row.t-walk .dot { background: var(--walk); }
.seg-row.t-warmup .dot, .seg-row.t-cooldown .dot { background: var(--coral); }
.seg-row .t { color: var(--muted); font-variant-numeric: tabular-nums; }
.seg-row.active { background: #fff0f0; box-shadow: inset 0 0 0 1px #f7c9cc; }
.seg-row.active .lbl { font-weight: 700; }

/* map */
.map { height: 300px; border-radius: 12px; overflow: hidden; background: #dfe5ec; }
.leaflet-container { background: #dfe5ec; }
.map-controls { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line); border-radius: 11px;
  background: #fff; color: var(--ink); font-weight: 700;
  cursor: pointer; transition: transform 0.06s;
}
.btn:active { transform: scale(0.97); }
.btn.small { padding: 10px 14px; font-size: 13px; }
.btn.small.running { background: var(--coral); color: #fff; border-color: var(--coral); }
.map-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 14px; }
.stat { background: var(--panel); border-radius: 11px; padding: 10px 8px; display: flex; flex-direction: column; gap: 2px; }
.stat-val { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-key { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
.route-planner { margin-top: 14px; }

/* progress grid */
.progress-grid { display: flex; flex-direction: column; gap: 8px; }
.pg-row { display: flex; align-items: center; gap: 8px; }
.pg-week { width: 32px; color: var(--muted); font-weight: 700; font-size: 13px; }
.pg-cell {
  flex: 1; height: 38px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  font-weight: 700; cursor: pointer; transition: transform 0.06s;
}
.pg-cell:active { transform: scale(0.96); }
.pg-cell.done { background: var(--done); border-color: transparent; color: #fff; }
.pg-cell.current { outline: 2px solid var(--coral); outline-offset: 1px; }

/* settings */
.settings { display: flex; flex-direction: column; gap: 14px; }
.toggle { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.toggle input { width: 18px; height: 18px; accent-color: var(--coral); }
.slider { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.slider input[type="range"] { flex: 1; accent-color: var(--coral); }

/* ============================================================
   PAGES + SLIDE-OUT MENU
   ============================================================ */
.page[hidden] { display: none; }

/* sub-page top bar (Map / Settings) */
.page-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: max(14px, env(safe-area-inset-top)) 12px 12px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-bar h2 { font-size: 17px; }
.back {
  width: 40px; height: 40px;
  border: none; background: transparent;
  font-size: 30px; line-height: 1; color: var(--coral);
  cursor: pointer; margin-top: -2px;
}

/* drawer */
.drawer { position: fixed; inset: 0; z-index: 1000; pointer-events: none; }
.drawer.open { pointer-events: auto; }
.drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(33, 56, 79, 0.4);
  opacity: 0; transition: opacity 0.2s ease;
}
.drawer.open .drawer-backdrop { opacity: 1; }
.drawer-panel {
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 82%; max-width: 320px;
  background: #fff;
  box-shadow: 0 0 40px rgba(33, 56, 79, 0.25);
  transform: translateX(-100%);
  transition: transform 0.24s ease;
  padding: max(20px, env(safe-area-inset-top)) 14px 20px;
  display: flex; flex-direction: column; gap: 4px;
}
.drawer.open .drawer-panel { transform: none; }
.drawer-head {
  font-size: 13px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--muted);
  padding: 6px 14px 14px;
}
.drawer-item {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 16px;
  border: none; background: transparent;
  font-size: 17px; font-weight: 600; color: var(--ink);
  text-align: left; border-radius: 12px; cursor: pointer;
}
.drawer-item:active { background: #f0f2f5; }
.drawer-item.active { background: #fff0f0; color: var(--coral); }

@media (min-width: 760px) {
  .hero { min-height: 40vh; }
}