* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #10151c;
  --panel: #182029;
  --text: #e8edf2;
  --muted: #8fa0b0;
  --primary: #3b82f6;
  --accent: #22c55e;
  --border: #26313d;
}

body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }

#app { display: flex; height: 100vh; }

#panel {
  width: 320px;
  min-width: 320px;
  background: var(--panel);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  z-index: 1000;
}

#map { flex: 1; }

h1 { font-size: 1.6rem; }
.tagline { color: var(--muted); font-size: 0.9rem; margin-top: -10px; }

.controls { display: flex; flex-direction: column; gap: 10px; }

label { font-size: 0.8rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

input[type="number"] {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 1rem;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  transition: filter 0.15s, opacity 0.15s;
}
.btn:hover:not(:disabled) { filter: brightness(1.15); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.primary { background: var(--primary); }
.btn.accent { background: var(--accent); color: #0b1c10; }
.btn.subtle { background: var(--border); }

.hint { font-size: 0.78rem; color: var(--muted); }

.status {
  font-size: 0.85rem;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.status.error { border-color: #b91c1c; color: #fca5a5; }
.hidden { display: none; }

.stats h2 { font-size: 1rem; margin-bottom: 10px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-value { font-size: 1.15rem; font-weight: 700; }
.stat-label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stats .btn { width: 100%; }

footer { margin-top: auto; }
footer p { font-size: 0.72rem; color: var(--muted); line-height: 1.4; }

@media (max-width: 700px) {
  #app { flex-direction: column; }
  #panel { width: 100%; min-width: 0; max-height: 45vh; }
}

/* ---------- Live walk tracking ---------- */
.stats .btn + .btn { margin-top: 8px; }

.walk-banner {
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
}
.walk-banner.on {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid #22c55e;
  color: #86efac;
}
.walk-banner.off {
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid #dc2626;
  color: #fca5a5;
  animation: pulse-alert 1.2s ease-in-out infinite;
}
@keyframes pulse-alert {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); }
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
  cursor: pointer;
}
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

/* ---------- Walk history ---------- */
.chart-title {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 14px 0 6px;
}
#chart { position: relative; }
#chart svg { display: block; width: 100%; height: auto; }
.chart-tip {
  position: absolute;
  pointer-events: none;
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.75rem;
  white-space: nowrap;
  transform: translate(-50%, -110%);
  z-index: 10;
}

#walk-list { list-style: none; margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
#walk-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}
#walk-list li:hover { border-color: var(--muted); }
#walk-list .walk-date { font-weight: 700; min-width: 52px; }
#walk-list .walk-info { color: var(--muted); flex: 1; }
#walk-list .walk-del {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 2px 6px;
}
#walk-list .walk-del:hover { color: #fca5a5; }

/* ---------- Sync ---------- */
#sync-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
#sync-box summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
#sync-box .hint { margin: 10px 0; }
#sync-box input {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
  margin-bottom: 8px;
}
#sync-box .btn { width: 100%; margin-bottom: 6px; }
#history .btn { width: 100%; margin-top: 12px; }

/* ---------- Pocket lock ---------- */
#lock-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  touch-action: none;
  overscroll-behavior: contain;
  -webkit-user-select: none;
  user-select: none;
}
#lock-overlay.hidden { display: none; }
#lock-overlay.off-course { background: #1a0505; }
#lock-steps { font-size: 4.5rem; font-weight: 800; color: #3f4b58; line-height: 1; }
.lock-steps-label { font-size: 0.9rem; color: #3f4b58; text-transform: uppercase; letter-spacing: 0.15em; }
#lock-status { color: #5a6b7b; font-size: 0.95rem; text-align: center; padding: 0 24px; margin-top: 14px; max-width: 420px; }
#lock-overlay.off-course #lock-steps,
#lock-overlay.off-course #lock-status { color: #b91c1c; }
#unlock-btn {
  margin-top: 48px;
  padding: 16px 40px;
  border-radius: 999px;
  border: 1px solid #26313d;
  background: linear-gradient(to right, #26313d var(--p, 0%), #0b0f14 var(--p, 0%));
  color: #8fa0b0;
  font-size: 1rem;
  font-weight: 600;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}
.lock-hint { color: #3f4b58; font-size: 0.78rem; }

/* ---------- Direction arrows ---------- */
.route-arrow-wrap { background: none; border: none; }
.route-arrow {
  font-size: 12px;
  color: #fff;
  text-shadow: 0 0 3px #14532d, 0 0 2px #14532d, 0 1px 2px rgba(0,0,0,0.6);
  line-height: 16px;
  text-align: center;
  pointer-events: none;
}

/* ---------- Pocket lock v2: dimmed live map ---------- */
body.locked #panel { display: none; }
body.locked #map { position: fixed; inset: 0; z-index: 500; height: 100vh; }

#lock-overlay {
  background: rgba(4, 8, 13, 0.72);
  justify-content: flex-start;
  padding: 52px 20px 32px;
}
#lock-overlay.off-course { background: rgba(76, 8, 8, 0.74); }
#lock-steps { color: #e2e8f0; text-shadow: 0 1px 8px rgba(0,0,0,0.9); }
.lock-steps-label { color: #94a3b8; text-shadow: 0 1px 5px rgba(0,0,0,0.9); }
#lock-status { color: #cbd5e1; text-shadow: 0 1px 5px rgba(0,0,0,0.9); }
#lock-overlay.off-course #lock-steps,
#lock-overlay.off-course #lock-status { color: #fca5a5; }
#unlock-btn {
  margin-top: auto;
  background: linear-gradient(to right, #3b82f6 var(--p, 0%), rgba(6, 12, 19, 0.85) var(--p, 0%));
  color: #cbd5e1;
}
.lock-hint { color: #94a3b8; text-shadow: 0 1px 5px rgba(0,0,0,0.9); }

/* ---------- Re-center button ---------- */
.map-fab {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}
.map-fab:hover { filter: brightness(1.2); }
.map-fab.hidden { display: none; }