/* 跑起來吧 — Garmin 風深色技術介面 */
:root {
  --bg: #0a1420;
  --panel: #0d1a29;
  --card: #14263a;
  --card-hi: #1b3650;
  --line: rgba(255,255,255,.09);
  --line2: rgba(255,255,255,.18);
  --txt: #e9f1f9;
  --txt2: #9db2c8;
  --muted: #647d96;
  --accent: #1ec8f5;
  --accent-d: #0b91c2;
  --accent-tint: rgba(30,200,245,.14);
  --go: #27d07f;
  --go-d: #149e5d;
  --warn: #ffb020;
  --r: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Barlow", system-ui, "Noto Sans TC", sans-serif;
  background: var(--bg); color: var(--txt);
  -webkit-font-smoothing: antialiased;
}

/* ── Top bar ── */
#topbar {
  height: 54px; display: flex; align-items: baseline; gap: 12px; padding: 0 20px;
  background: linear-gradient(180deg, #102236, #0b1726);
  border-bottom: 1px solid var(--line);
}
#topbar .brand {
  font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 26px;
  letter-spacing: .5px; color: #fff; line-height: 54px;
}
#topbar .tagline {
  font-family: "Barlow Condensed", sans-serif; font-weight: 600; font-size: 12px;
  letter-spacing: 3px; color: var(--accent); text-transform: uppercase;
}

main { display: flex; height: calc(100% - 54px); }
#map { flex: 1; height: 100%; background: #0a1420; border-right: 1px solid var(--line); }
#panel {
  width: 360px; flex: none; background: var(--panel); padding: 18px 18px 28px;
  overflow-y: auto; border-left: 1px solid var(--line);
}
#panel::-webkit-scrollbar { width: 8px; }
#panel::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 4px; }

/* ── Stepper ── */
#stepper { display: flex; align-items: center; margin: 4px 0 22px; }
.step-dot { display: flex; flex-direction: column; align-items: center; gap: 5px; width: 56px; }
.step-dot .num {
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 16px;
  background: transparent; color: var(--muted); border: 1.5px solid var(--line2);
  transition: all .15s;
}
.step-dot .lbl { font-size: 11px; color: var(--muted); letter-spacing: .5px; }
.step-dot.current .num { background: var(--accent); color: #04121c; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-tint); }
.step-dot.current .lbl { color: var(--txt); font-weight: 600; }
.step-dot.done .num { color: var(--accent); border-color: var(--accent-d); }
.step-dot.done .lbl { color: var(--txt2); }
.step-bar { flex: 1; height: 2px; background: var(--line2); margin: 0 -6px 18px; }

/* ── Steps ── */
.step { display: none; }
.step.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

section { margin-bottom: 20px; }
h3 {
  font-family: "Barlow Condensed", sans-serif; font-weight: 600; font-size: 14px;
  letter-spacing: 1.5px; color: var(--txt2); margin: 0 0 10px; padding-left: 10px;
  position: relative; text-transform: uppercase;
}
h3::before {
  content: ""; position: absolute; left: 0; top: 1px; bottom: 1px; width: 3px;
  background: var(--accent); border-radius: 2px;
}

/* ── Chips (presets + modes) ── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 9px 14px; border: 1px solid var(--line2); border-radius: var(--r);
  background: var(--card); color: var(--txt2); cursor: pointer; font-size: 14px;
  font-family: inherit; transition: all .12s;
}
.chip:hover { border-color: var(--accent-d); color: var(--txt); }
.chip.active {
  border-color: var(--accent); background: var(--accent-tint); color: var(--accent);
  font-weight: 600; box-shadow: inset 0 0 0 1px var(--accent);
}

/* ── Upload ── */
.upload-btn {
  display: block; width: 100%; margin-top: 8px; padding: 11px 14px; border-radius: var(--r);
  border: 1px solid var(--line2); background: var(--card-hi); color: var(--txt);
  cursor: pointer; font-size: 14px; font-weight: 600; text-align: center;
}
.upload-btn:hover { border-color: var(--accent); color: var(--accent); }
.upload-status { margin-top: 8px; font-size: 12px; padding: 7px 10px; border-radius: 8px; }
.upload-status.loading { background: var(--accent-tint); color: var(--accent); }
.upload-status.ok { background: rgba(39,208,127,.14); color: var(--go); }
.upload-status.error { background: rgba(255,90,60,.14); color: #ff7a5c; }

/* ── Sliders + form rows ── */
.thr { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 13px; color: var(--txt2); }
.thr input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; }
input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 5px; border-radius: 3px;
  background: var(--card-hi); outline: none; margin: 6px 0;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid #08151f; cursor: pointer; box-shadow: 0 0 0 1px var(--accent);
}
input[type=range]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%; background: var(--accent);
  border: 3px solid #08151f; cursor: pointer;
}
#dist-readout {
  font-family: "Barlow Condensed", sans-serif; font-weight: 700; font-size: 24px;
  color: var(--txt); margin-top: 4px; letter-spacing: .5px;
}
#rot-readout { font-family: "Barlow Condensed", sans-serif; color: var(--accent); font-weight: 600; }
.hint { margin-top: 8px; font-size: 11.5px; color: var(--muted); line-height: 1.5; }

/* ── Search row ── */
.search-row { display: flex; gap: 8px; }
#place {
  flex: 1; padding: 10px 12px; border-radius: var(--r); border: 1px solid var(--line2);
  background: var(--card); color: var(--txt); font-family: inherit; font-size: 14px;
}
#place::placeholder { color: var(--muted); }
#place:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-tint); }
#place-btn {
  padding: 0 16px; border-radius: var(--r); border: 1px solid var(--line2);
  background: var(--card-hi); color: var(--txt); cursor: pointer; font-family: inherit; font-size: 14px;
}
#place-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Result: data tiles ── */
#result {
  font-family: "Barlow Condensed", sans-serif; font-size: 17px; font-weight: 600;
  color: var(--txt2); letter-spacing: .4px;
}
.result-cap {
  font-family: "Barlow Condensed", sans-serif; font-size: 13px; letter-spacing: 1px;
  color: var(--muted); text-transform: uppercase; margin-bottom: 8px;
}
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 11px 13px;
}
.stat .k {
  font-family: "Barlow", sans-serif; font-size: 11px; letter-spacing: 1px;
  color: var(--txt2); text-transform: uppercase; font-weight: 600; margin-bottom: 2px;
}
.stat .v {
  font-family: "Barlow Condensed", sans-serif; font-size: 28px; font-weight: 700;
  color: var(--txt); line-height: 1.1;
}
.stat .v.accent { color: var(--accent); }
.stat .v.stars { font-size: 20px; color: var(--warn); letter-spacing: 1px; }
.stat .v .u { font-size: 13px; font-weight: 600; color: var(--txt2); margin-left: 4px; letter-spacing: .5px; }

/* ── Buttons ── */
button { font-family: inherit; }
.primary, .secondary, .ghost, .success {
  width: 100%; padding: 13px; border-radius: var(--r); cursor: pointer; font-size: 15px;
  font-weight: 600; margin-top: 12px; border: 1px solid transparent; transition: all .12s;
  font-family: "Barlow Condensed", sans-serif; letter-spacing: .8px; text-transform: uppercase;
}
.primary { background: var(--accent); color: #04121c; }
.primary:hover { background: #4ad6fb; }
.secondary { background: var(--card-hi); color: var(--txt); border-color: var(--line2); }
.secondary:hover { border-color: var(--accent); color: var(--accent); }
.secondary.active { background: var(--accent-tint); border-color: var(--accent); color: var(--accent); }
.ghost { background: transparent; color: var(--txt2); border-color: var(--line2); }
.ghost:hover { border-color: var(--accent); color: var(--accent); }
.success { background: var(--go); color: #032015; }
.success:hover { background: #38e592; }
button:disabled { opacity: .4; cursor: not-allowed; }
button:disabled:hover { background: var(--go); color: #032015; }

.nav-row { display: flex; gap: 10px; }
.nav-row .ghost { width: 40%; }
.nav-row .primary { width: 60%; }

/* ── Map overlay markers (Leaflet divIcons) ── */
.node-hit { width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.node-handle {
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  box-shadow: 0 0 0 1px rgba(0,0,0,.45); cursor: grab;
}
.node-handle:active { cursor: grabbing; }
.dir-arrow {
  color: #ff7a4d; font-size: 14px; line-height: 1;
  text-shadow: 0 0 2px rgba(0,0,0,.6);
}
.km-badge {
  min-width: 18px; height: 18px; padding: 0 4px; border-radius: 9px;
  background: var(--accent); color: #04121c; text-align: center;
  font: 700 11px/18px "Barlow Condensed", sans-serif;
  box-shadow: 0 0 0 1px rgba(0,0,0,.45);
}

/* ── Draw directly on map ── */
#map.drawing { touch-action: none; } /* 手機：手指拖曳用來畫，不要捲頁 */
#map.drawing, #map.drawing .leaflet-grab, #map.drawing .leaflet-interactive { cursor: crosshair !important; }

/* ── Manual draw overlay ── */
.draw-open { display: block; margin-top: 8px; text-align: center; }
#draw-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(4,12,20,.72); display: grid; place-items: center;
}
#draw-overlay[hidden] { display: none; }
.draw-pad {
  width: 340px; max-width: 92vw; background: var(--panel);
  border: 1px solid var(--line2); border-radius: 16px; padding: 18px;
}
.draw-pad h3 { margin-top: 0; }
#draw-canvas {
  display: block; width: 300px; max-width: 100%; height: 300px; margin: 10px auto 0;
  background: var(--card); border: 1px solid var(--line2); border-radius: 10px;
  touch-action: none; cursor: crosshair;
}
.draw-actions { display: flex; gap: 6px; margin-top: 14px; }
.draw-actions button { margin-top: 0; flex: 1; padding: 12px 4px; }

/* ── Mobile ── */
@media (max-width: 760px) {
  main { flex-direction: column; }
  #map { height: 50vh; border-right: 0; border-bottom: 1px solid var(--line); }
  #panel { width: 100%; height: 50vh; border-left: 0; border-radius: 16px 16px 0 0; padding: 16px 16px 40px; }
  #topbar { padding: 0 16px; }
  .chip { padding: 11px 15px; font-size: 15px; }        /* 好按一點 */
  .upload-btn, .primary, .secondary, .ghost, .success { padding: 14px; } /* ≥44px 觸控目標 */
  #place, #place-btn { padding: 13px 12px; }
  .draw-actions .ghost, .draw-actions .primary { padding: 13px 8px; }
}