/* Twisty Roads, Gulf livery.
 * One accent (Gulf orange). Every grey comes from one navy-tinted scale, light end for day, dark end for night.
 * Text sizes: 12 / 13 / 15 / 20 / 40. Corners: 6 (controls), 12 (floating panels), pill (chips). */
:root {
  --navy-950: #0b141c; --navy-900: #101c27; --navy-850: #152331; --navy-800: #1c2c3b; --navy-700: #2a3d4f;
  --navy-600: #3d5468; --navy-500: #587087; --navy-400: #7f93a6; --navy-300: #a7b7c6; --navy-200: #d3dde6;
  --navy-100: #e8eef3; --navy-50: #f3f6f9; --navy-0: #fbfcfd;
  --gulf-orange: #f26b1d; --gulf-blue: #8ec9ea;

  --font: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "Cascadia Mono", monospace;
  --t-xs: 12px; --t-sm: 13px; --t-md: 15px; --t-lg: 20px; --t-xl: 40px;
  --r-sm: 6px; --r-md: 12px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --accent: var(--gulf-orange);
}

/* day: the white map */
:root[data-theme="day"] {
  color-scheme: light;
  --bg: var(--navy-50); --surface: var(--navy-0); --raised: var(--navy-100); --line: var(--navy-200);
  --ink: var(--navy-950); --ink-2: var(--navy-700); --muted: var(--navy-500);
  --accent-soft: #fde6d6; --on-accent: var(--navy-950);
  --shadow: 0 8px 24px rgba(16, 28, 39, 0.12);
  /* fun score on the map, mild to wild */
  --s1: #f9c39b; --s2: #f58a3c; --s3: #e2580f; --s4: #8f3305;
  /* bend tightness on the selected road: straight, sweeping, flowing, tight, hairpin-tight */
  --c0: var(--navy-300); --c1: #f7b98d; --c2: #f2843a; --c3: #d4550c; --c4: #7a2d04;
  /* gradient in the profile, gentle to steep */
  --g1: #d4e9f6; --g2: #9fcde9; --g3: #4f8db8; --g4: #1f4a6e;
  --hot: rgba(242, 107, 29, 0.13);
  --casing: #ffffff; --sel-casing: var(--gulf-blue); --glow: 0; --label: var(--navy-700); --ride: #3d7fae;
}

/* night: the navy map. The panel sits one step darker than the map; inputs and hover one step lighter. */
:root[data-theme="night"] {
  color-scheme: dark;
  --bg: var(--navy-950); --surface: var(--navy-900); --raised: var(--navy-850); --line: var(--navy-800);
  --ink: #eef3f7; --ink-2: var(--navy-300); --muted: var(--navy-400);
  --accent-soft: #3b2417; --on-accent: var(--navy-950);
  --shadow: 0 10px 28px rgba(2, 6, 10, 0.5);
  --s1: #5e2a10; --s2: #ad470f; --s3: #f26b1d; --s4: #ffc08a;
  --c0: var(--navy-500); --c1: #8a3e14; --c2: #d2560f; --c3: #f58a3c; --c4: #ffd0a8;
  --g1: #1f3a52; --g2: #2f5f84; --g3: #5b9ccc; --g4: #a9d8f2;
  --hot: rgba(242, 107, 29, 0.16);
  --casing: var(--navy-950); --sel-casing: var(--gulf-blue); --glow: 0.35; --label: var(--navy-300); --ride: var(--gulf-blue);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* components set display; `hidden` must still win */
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 400 var(--t-sm)/1.45 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ph, .ph-fill { font-size: 16px; line-height: 1; }
.num, .nums, .stats dd, .score { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }

.app { display: grid; grid-template-columns: 384px 1fr; height: 100vh; height: 100dvh; }

/* ---------------------------------------------------------------- shared controls */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 14px;
  border: 0; border-radius: var(--r-sm); background: var(--raised); color: var(--ink); font-weight: 500;
  text-decoration: none; white-space: nowrap; transition: background .15s var(--ease), filter .15s var(--ease), transform .1s var(--ease);
}
.btn:hover { background: var(--line); }
.btn.primary { background: var(--accent); color: var(--on-accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn:active, .icon-btn:active, .tool:active, .chip button:active { transform: scale(.97); }
.btn:disabled { opacity: .6; cursor: progress; }
.icon-btn {
  display: inline-grid; place-items: center; grid-auto-flow: column; gap: 6px; height: 36px; min-width: 36px; padding: 0 9px;
  border: 0; border-radius: var(--r-sm); background: var(--raised); color: var(--ink-2);
  transition: background .15s var(--ease), color .15s var(--ease), transform .1s var(--ease);
}
.icon-btn .ph, .icon-btn .ph-fill { font-size: 18px; }
.icon-btn:hover { background: var(--line); color: var(--ink); }
.icon-btn.on { color: var(--accent); background: var(--accent-soft); }
.icon-btn:disabled { opacity: .6; cursor: progress; }
.icon-btn.wide { padding: 0 12px; font-weight: 500; }
.quiet { background: none; border: 0; padding: 4px 0; color: var(--muted); font-size: var(--t-xs); }
.quiet:hover { color: var(--ink); }
.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 500; }
.link:hover { text-decoration: underline; text-underline-offset: 2px; }
select {
  height: 34px; padding: 0 8px; border: 0; border-radius: var(--r-sm); background: var(--raised); color: var(--ink);
  min-width: 0; transition: background .15s var(--ease);
}
select:hover { background: var(--line); }
input[type="range"] { accent-color: var(--accent); }

/* ---------------------------------------------------------------- side panel */
.panel { display: flex; flex-direction: column; min-height: 0; background: var(--surface); border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 20px 14px; }
.mark { flex: none; width: 28px; height: 28px; border-radius: var(--r-sm); display: grid; place-items: center; background: var(--accent); color: var(--navy-950); }
:root[data-theme="day"] .mark { background: var(--navy-950); color: var(--accent); }
.mark svg { width: 20px; height: 20px; }
.brand h1 { margin: 0; font-size: var(--t-md); font-weight: 600; letter-spacing: -0.01em; }
.brand .quiet { margin-left: auto; }

.browse { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.search { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 6px; margin: 0 20px; }
.field { position: relative; display: block; }
.field .ph { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.field input {
  width: 100%; height: 38px; padding: 0 10px 0 34px; border: 1px solid transparent; border-radius: var(--r-sm);
  background: var(--raised); outline: none; transition: border-color .15s var(--ease), background .15s var(--ease);
}
.field input::placeholder { color: var(--muted); }
.field input:focus { border-color: var(--accent); background: var(--surface); }
.search select { height: 38px; }

.tools { display: flex; flex-wrap: wrap; gap: 2px 16px; margin: 8px 20px 0; }
.tool-link { display: inline-flex; align-items: center; gap: 5px; background: none; border: 0; padding: 4px 0; color: var(--ink-2); font-size: var(--t-xs); font-weight: 500; transition: color .15s var(--ease); }
.tool-link .ph { font-size: 14px; color: var(--muted); }
.tool-link:hover, .tool-link:hover .ph { color: var(--ink); }
.tool-link:disabled { opacity: .6; cursor: progress; }

.scan-status { margin: 8px 20px 0; font-size: var(--t-xs); color: var(--ink-2); }
.scan-status.busy::before {
  content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 7px; vertical-align: -1px;
  border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite;
}
.scan-status.error { color: #e5484d; }
@keyframes spin { to { transform: rotate(360deg); } }
.rides-info { margin: 4px 20px 0; font-size: var(--t-xs); color: var(--muted); }
.rides-info:empty { display: none; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 20px 0; }
.chips-label { width: 100%; color: var(--muted); font-size: var(--t-xs); }
.chip { display: inline-flex; align-items: center; border-radius: 999px; background: var(--raised); overflow: hidden; }
.chip button { background: none; border: 0; padding: 4px 10px; font-size: var(--t-xs); color: var(--ink); transition: background .15s var(--ease); }
.chip button:hover { background: var(--line); }
.chip small { color: var(--muted); }
.chip .x { padding-left: 4px; color: var(--muted); }

.tune-row { margin: 14px 20px 0; padding-top: 14px; border-top: 1px solid var(--line); display: grid; gap: 6px; }
.taste { display: grid; gap: 4px; }
.taste-head { display: flex; justify-content: space-between; color: var(--muted); font-size: var(--t-xs); }
.taste-head b { color: var(--ink-2); font-weight: 500; }
.taste input { width: 100%; margin: 0; }
.taste-ends { display: flex; justify-content: space-between; color: var(--muted); font-size: var(--t-xs); }
.tune { font-size: var(--t-xs); color: var(--muted); }
.tune b { color: var(--ink-2); font-weight: 500; }
.tune .ph, .tune .ph-fill { font-size: 13px; vertical-align: -2px; }
.btn.small { height: 30px; padding: 0 10px; font-size: var(--t-xs); }

.filters { display: grid; grid-template-columns: 1fr 1fr auto; gap: 6px; align-items: center; margin: 12px 20px 0; }
.check { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px; border-radius: var(--r-sm); background: var(--raised); color: var(--ink-2); font-size: var(--t-xs); white-space: nowrap; cursor: pointer; }
.check input { accent-color: var(--accent); margin: 0; }

.count { margin: 12px 20px 4px; color: var(--muted); font-size: var(--t-xs); }

.list { list-style: none; margin: 0; padding: 0 10px 12px; overflow-y: auto; flex: 1; min-height: 0; }
.item {
  display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 1px 10px; padding: 9px 10px;
  border-radius: var(--r-sm); cursor: pointer; transition: background .12s var(--ease);
}
.item:hover, .item.hover { background: var(--raised); }
.item.active { background: var(--accent-soft); }
.item .score { grid-row: span 3; align-self: center; font-size: 22px; font-weight: 500; color: var(--ink); line-height: 1; }
.item .score i { display: block; height: 3px; margin-top: 6px; border-radius: 2px; background: var(--accent); }
.name { font-weight: 500; font-size: var(--t-md); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.marks { margin-left: 4px; color: var(--accent); font-weight: 400; }
.marks .ph, .marks .ph-fill { font-size: 13px; vertical-align: -1px; margin-left: 2px; }
.meta { color: var(--muted); font-size: var(--t-xs); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nums { display: flex; gap: 12px; color: var(--ink-2); font-size: var(--t-xs); }
.empty { color: var(--muted); padding: 16px 10px; font-size: var(--t-sm); }

.credits { padding: 10px 20px 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }

/* ---------------------------------------------------------------- one road, in the panel */
.detail { display: flex; flex-direction: column; min-height: 0; flex: 1; overflow-y: auto; padding-bottom: 16px; }
.back {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; height: 32px; margin: 0 12px; padding: 0 8px;
  border: 0; border-radius: var(--r-sm); background: none; color: var(--ink-2); transition: background .15s var(--ease);
}
.back:hover { background: var(--raised); color: var(--ink); }
.detail h2 { margin: 8px 20px 2px; font-size: var(--t-lg); font-weight: 600; letter-spacing: -0.015em; line-height: 1.2; }
.sub { margin: 0 20px; color: var(--muted); }
.ridden-badge {
  display: inline-flex; align-items: center; gap: 4px; vertical-align: 3px; padding: 2px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: var(--t-xs); font-weight: 500; letter-spacing: 0;
}
.warn { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 20px 0; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; background: rgba(245, 166, 35, 0.16); color: #c07a00; font-size: var(--t-xs); font-weight: 500; }
:root[data-theme="night"] .badge { color: #f5b544; }

.fun { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 18px; align-items: center; margin: 18px 20px 0; }
.fun-score { line-height: 1; }
.fun-score b { display: block; font: 500 var(--t-xl) var(--mono); letter-spacing: -0.03em; color: var(--ink); }
.fun-score span { display: block; margin-top: 6px; font-size: var(--t-xs); color: var(--muted); }
.parts { display: grid; gap: 6px; }
.part { display: grid; grid-template-columns: 62px minmax(0, 1fr) 46px; align-items: center; gap: 8px; font-size: var(--t-xs); color: var(--ink-2); }
.part i { display: block; height: 4px; border-radius: 2px; background: var(--accent); min-width: 3px; }
.part .num { text-align: right; color: var(--ink); }
.fun .more { grid-column: 1 / -1; }
details.more summary { cursor: pointer; color: var(--ink-2); font-size: var(--t-xs); font-weight: 500; width: fit-content; list-style: none; display: inline-flex; align-items: center; gap: 4px; }
details.more summary::-webkit-details-marker { display: none; }
details.more summary::before { content: "\203A"; display: inline-block; transition: transform .15s var(--ease); font-size: 15px; line-height: 1; }
details.more[open] summary::before { transform: rotate(90deg); }
details.more summary:hover { color: var(--ink); }
details.more summary small { color: var(--muted); font-weight: 400; margin-left: 4px; }
.mix { display: flex; gap: 2px; height: 6px; margin-top: 8px; }
.mix i { background: var(--c); border-radius: 2px; min-width: 2px; }
.mix-keys { display: flex; flex-wrap: wrap; gap: 2px 12px; margin-top: 6px; font-size: var(--t-xs); color: var(--ink-2); }
.mix-keys i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--c); margin-right: 5px; }
.fun-note { margin-top: 6px; font-size: var(--t-xs); color: var(--ink-2); }
.hot-key { color: var(--accent); font-weight: 500; margin-right: 2px; }

.actions { display: flex; gap: 8px; margin: 18px 20px 0; }
.actions .btn { flex: 1; }
.actions.icons { margin-top: 8px; }
.actions .gap { flex: 1; }

.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 14px; margin: 18px 20px 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats div { display: flex; flex-direction: column; min-width: 0; }
.stats dt { color: var(--muted); font-size: var(--t-xs); }
.stats dd { margin: 2px 0 0; font-size: var(--t-md); font-weight: 500; white-space: nowrap; }

.block { margin: 16px 20px 0; }
.block h3, .w-head { margin: 0 0 8px; font-size: var(--t-xs); font-weight: 500; color: var(--muted); }
.profile-wrap { position: relative; height: 130px; }
#profile { width: 100%; height: 100%; display: block; cursor: crosshair; }
.ptip {
  position: absolute; top: 0; pointer-events: none; padding: 4px 8px; border-radius: var(--r-sm); font: var(--t-xs) var(--mono);
  background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); white-space: nowrap;
}
.profile-legend { display: flex; gap: 2px 8px; align-items: center; padding-top: 6px; color: var(--ink-2); font-size: var(--t-xs); flex-wrap: wrap; }
.profile-legend span { color: var(--muted); }
.legend i, .profile-legend i { display: inline-block; width: 14px; height: 4px; border-radius: 2px; background: var(--c); vertical-align: middle; margin-right: 4px; }

.weather { font-size: var(--t-xs); color: var(--ink-2); display: grid; gap: 8px; }
.w-head { margin: 0; }
.w-now { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.w-now b { font: 500 var(--t-lg) var(--mono); color: var(--ink); }
.w-ic { font-size: 20px; color: var(--ink-2); }
.w-days { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.w-day { display: grid; justify-items: center; gap: 2px; padding: 8px 4px; border-radius: var(--r-sm); background: var(--raised); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.w-day > span:first-child { font-family: var(--font); color: var(--ink-2); }
.w-day .w-ic { font-size: 18px; }
.w-day small { color: var(--muted); }

.stops { display: grid; gap: 8px; font-size: var(--t-xs); }
.stops .muted { color: var(--muted); }
.stop-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.stop {
  display: inline-flex; align-items: center; gap: 5px; max-width: 100%; padding: 4px 10px; border: 0; border-radius: 999px;
  background: var(--raised); color: var(--ink); font-size: var(--t-xs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background .15s var(--ease);
}
.stop:hover { background: var(--line); }
.stop .ph { font-size: 14px; color: var(--accent); }
.stop small { color: var(--muted); font-family: var(--mono); }

/* ---------------------------------------------------------------- map stage */
.stage { position: relative; min-width: 0; min-height: 0; }
#map { position: absolute; inset: 0; }

.float, .tool, .legend, .tip, .maplibregl-ctrl-group {
  background: color-mix(in srgb, var(--surface) 94%, transparent) !important; backdrop-filter: blur(8px);
  border: 1px solid var(--line) !important; box-shadow: var(--shadow) !important; color: var(--ink);
}
.map-tools { position: absolute; top: 12px; left: 12px; display: flex; gap: 8px; }
.tool {
  display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 12px; border-radius: var(--r-md);
  font-weight: 500; transition: transform .1s var(--ease), background .15s var(--ease);
}
.tool.on { background: var(--accent) !important; color: var(--on-accent); border-color: transparent !important; }
.exag { color: var(--ink-2); font-weight: 400; cursor: default; }
.exag input { width: 90px; }
.maplibregl-ctrl-group { border-radius: var(--r-md) !important; overflow: hidden; }
.maplibregl-ctrl-group button { background: transparent !important; }
.maplibregl-ctrl-group button:hover { background: var(--raised) !important; }
.maplibregl-ctrl-group button + button { border-top: 1px solid var(--line) !important; }
:root[data-theme="night"] .maplibregl-ctrl-group button .maplibregl-ctrl-icon { filter: invert(1) brightness(1.4); }

.legend { position: absolute; left: 12px; bottom: 12px; padding: 10px 12px; border-radius: var(--r-md); font-size: var(--t-xs); color: var(--ink-2); }
.legend .ramp { width: 160px; height: 6px; border-radius: 3px; margin: 6px 0 4px; }
.legend .ends { display: flex; justify-content: space-between; color: var(--muted); }
.legend .keys { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 6px; }
.legend i.ph, .legend i.ph-fill { width: auto; height: auto; margin-right: 4px; background: none; border-radius: 0; font-size: 14px; vertical-align: -2px; }
.legend .keys span { display: inline-flex; align-items: center; }
.legend i.glow { background: var(--accent); opacity: .5; height: 8px; border-radius: 4px; filter: blur(1px); }
.legend .star { color: var(--accent); }

.tip { position: absolute; z-index: 3; pointer-events: none; padding: 6px 10px; border-radius: var(--r-sm); font-size: var(--t-xs); white-space: nowrap; }
.tip b { display: block; font-weight: 500; font-size: var(--t-sm); }

.peak { color: var(--accent); font-size: 22px; line-height: 1; filter: drop-shadow(0 0 2px var(--casing)) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4)); }
.rider {
  width: 16px; height: 16px; border-radius: 50%; background: var(--accent);
  border: 3px solid var(--casing); box-shadow: 0 0 0 1px rgba(0, 0, 0, .3), 0 2px 8px rgba(0, 0, 0, .4);
}
.maplibregl-ctrl-attrib { font-size: 11px; }
:root[data-theme="night"] .maplibregl-ctrl-attrib { background: rgba(16, 28, 39, 0.7) !important; color: var(--navy-300); }
:root[data-theme="night"] .maplibregl-ctrl-attrib a { color: var(--navy-300); }
:root[data-theme="night"] .maplibregl-ctrl-attrib-button { filter: invert(1); }

/* drag-and-drop overlay for GPX files */
.drop { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; pointer-events: none; background: rgba(5, 10, 15, 0.55); }
.drop div {
  display: flex; align-items: center; gap: 10px; padding: 26px 36px; border-radius: 16px; border: 2px dashed var(--accent);
  background: var(--surface); color: var(--ink); font-size: 18px; font-weight: 500;
}
.drop .ph { font-size: 24px; color: var(--accent); }

/* ---------------------------------------------------------------- scoring explainer */
.about {
  max-width: 580px; border: 1px solid var(--line); border-radius: 16px; padding: 26px 30px;
  background: var(--surface); color: var(--ink); box-shadow: var(--shadow); line-height: 1.6;
}
.about::backdrop { background: rgba(5, 10, 15, 0.55); }
.about h2 { margin: 0 0 8px; font-size: var(--t-lg); font-weight: 600; letter-spacing: -0.01em; }
.about h3 { margin: 18px 0 4px; font-size: var(--t-md); font-weight: 600; }
.about p, .about li { color: var(--ink-2); }
.about b { color: var(--ink); font-weight: 600; }
.about ol { padding-left: 20px; }
.about li { margin-bottom: 8px; }
.about .muted { color: var(--muted); font-size: var(--t-xs); }
.about-close { position: absolute; top: 14px; right: 14px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---------------------------------------------------------------- narrow screens: map on top, panel below */
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; height: auto; min-height: 100dvh; }
  .stage { grid-row: 1; }
  #map { position: relative; height: 52vh; }
  .panel { grid-row: 2; border-right: 0; border-top: 1px solid var(--line); }
  .brand { padding: 14px 16px 10px; }
  .search, .tools, .chips, .tune-row, .filters, .scan-status, .rides-info { margin-left: 16px; margin-right: 16px; }
  .count { margin: 12px 16px 4px; }
  .list { overflow: visible; }
  .detail { overflow: visible; }
  .legend { display: none; }
  .map-tools { top: 8px; left: 8px; gap: 6px; }
  .exag { display: none; }
}