:root {
  --ink: #171916;
  --ink-raised: #242722;
  --ink-soft: #30342d;
  --paper: #f3e8ce;
  --muted: #b8b49f;
  --river: #0b6670;
  --river-bright: #36c0c5;
  --route: #f04a28;
  --ochre: #d89524;
  --warning: #ffd36a;
  --panel-shadow: 0 18px 50px rgba(0, 0, 0, .46);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body {
  height: 100%; overflow: hidden;
  font-family: "Avenir Next", Avenir, "Trebuchet MS", sans-serif;
  background: var(--ink); color: var(--paper);
}
button, textarea { font: inherit; }
button:focus-visible, a:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--warning); outline-offset: 2px;
}

#app-shell { width: 100%; height: 100%; }
#map { width: 100%; height: 100%; z-index: 1; background: var(--ink); }
.leaflet-container {
  background-color: var(--ink) !important;
  background-image:
    radial-gradient(ellipse at 15% 25%, transparent 0 19%, rgba(243,232,206,.06) 20% 20.5%, transparent 21% 100%),
    radial-gradient(ellipse at 80% 75%, transparent 0 25%, rgba(243,232,206,.04) 26% 26.5%, transparent 27% 100%),
    linear-gradient(135deg, rgba(216,149,36,.05), transparent 45%);
}

#loading-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background:
    linear-gradient(145deg, rgba(216,149,36,.12), transparent 42%),
    repeating-radial-gradient(ellipse at 80% 20%, transparent 0 28px, rgba(243,232,206,.035) 29px 30px),
    var(--ink);
  color: var(--paper); display: flex; align-items: center; justify-content: center;
}
.loading-content { text-align: center; padding: 28px; width: min(100%, 380px); }
.loading-logo {
  width: 124px; height: 124px; border-radius: 28px; object-fit: cover;
  margin: 0 auto 20px; display: block; box-shadow: 0 18px 45px rgba(0,0,0,.45);
  border: 1px solid rgba(243,232,206,.18);
}
.loading-kicker { color: var(--ochre) !important; letter-spacing: .22em; font-size: 11px !important; font-weight: 800; }
.loading-content h1 { font-family: Georgia, "Times New Roman", serif; font-size: 34px; margin: 4px 0 8px; letter-spacing: -.03em; }
.loading-content p { font-size: 15px; color: var(--muted); margin: 8px 0; }
.download-hint { font-size: 13px !important; color: #96998f !important; margin-top: 4px !important; }
.progress-bar { width: 100%; height: 8px; background: #30332e; margin: 20px auto 12px; overflow: hidden; }
.progress-fill { height: 100%; width: 0%; background: var(--route); transition: width .3s; }
#progress-text { font-size: 12px; color: #8f9386; text-transform: uppercase; letter-spacing: .08em; }
.resume-btn {
  margin-top: 20px; padding: 14px 24px; background: transparent; color: var(--paper);
  border: 1px solid var(--ochre); border-radius: 4px; font-size: 16px; font-weight: 800; cursor: pointer;
}
.resume-btn:active { background: var(--ochre); color: var(--ink); }

#top-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  min-height: 73px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: end;
  padding: max(12px, env(safe-area-inset-top)) 16px 11px;
  color: var(--paper); background: rgba(23,25,22,.92); border-bottom: 1px solid rgba(243,232,206,.1);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.metric-block { display: flex; flex-direction: column; min-width: 0; }
.metric-block strong { color: var(--paper); font-size: clamp(20px, 6vw, 27px); line-height: 1; margin-top: 3px; letter-spacing: -.04em; white-space: nowrap; }
.metric-block-right { text-align: right; }
.metric-label { color: #8f9386; font-size: 9px; font-weight: 900; letter-spacing: .16em; }
#speed-display { color: var(--river-bright) !important; }
.route-id { align-self: center; display: grid; place-items: center; gap: 2px; margin: 0 10px; color: var(--paper); }
.route-id span { font-family: Georgia, "Times New Roman", serif; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.route-id i { display: block; width: 36px; height: 3px; background: var(--route); transform: skewX(-24deg); }
.route-id small { color: var(--ochre); font-size: 8px; letter-spacing: .22em; }

.map-btn {
  position: fixed; z-index: 1000; width: 50px; height: 50px; padding: 0;
  background: rgba(36,39,34,.94); color: var(--paper); border: 1px solid rgba(243,232,206,.14);
  border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 5px 18px rgba(0,0,0,.34);
  -webkit-tap-highlight-color: transparent;
}
.map-btn:active { background: var(--ink-soft); transform: translateY(1px); }
.map-btn.active { background: var(--river); border-color: var(--river-bright); box-shadow: 0 0 0 2px rgba(54,192,197,.2); }
.emergency-btn { border-color: rgba(240,74,40,.55); }
#gps-btn { bottom: max(92px, calc(78px + env(safe-area-inset-bottom))); right: 14px; border-radius: 50%; }
#center-btn { bottom: max(153px, calc(139px + env(safe-area-inset-bottom))); right: 14px; border-radius: 50%; }
.layer-btn { position: relative !important; width: 42px; height: 42px; flex: 0 0 42px; border-radius: 7px; }
#layer-column { position: fixed; top: 148px; left: 9px; z-index: 1000; display: flex; flex-direction: column; gap: 5px; }
#poi-drawer { display: none; flex-direction: column; gap: 5px; overflow-y: auto; scrollbar-width: none; }
#poi-drawer.open { display: flex; max-height: 50vh; max-height: 50dvh; }
#poi-drawer.open::-webkit-scrollbar { display: none; }
#poi-toggle-btn { position: relative !important; width: 42px; height: 42px; }
#notes-btn { position: relative !important; }
.leaflet-container.note-placement-active { cursor: crosshair; }
#notes-count {
  display: none; position: absolute; right: -4px; top: -4px; min-width: 18px; height: 18px;
  padding: 0 4px; border-radius: 9px; background: var(--warning); color: var(--ink); font: 900 10px/18px "Avenir Next", sans-serif;
}

#info-panel {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1003;
  background: rgba(23,25,22,.97); color: var(--paper); padding: 24px 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom)); border-radius: 18px 18px 0 0;
  border-top: 2px solid var(--ochre); max-height: 90vh; max-height: 90dvh; overflow-y: auto;
  overscroll-behavior: contain; box-shadow: var(--panel-shadow); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
#info-panel::before { content: ""; display: block; width: 40px; height: 3px; margin: -12px auto 18px; background: #62665b; border-radius: 2px; }
#info-panel h3 { font-family: Georgia, "Times New Roman", serif; font-size: 21px; line-height: 1.2; margin-bottom: 10px; }
#info-panel p { font-size: 14px; line-height: 1.45; color: #cbc7b7; margin: 6px 0; }
#info-panel a { color: var(--river-bright) !important; text-underline-offset: 2px; }
#info-panel label { display: block; color: var(--muted); font-size: 12px; margin: 14px 0 6px; }
#info-panel textarea { display: block; width: 100%; min-height: 108px; resize: vertical; padding: 13px 14px; border: 1px solid #55594f; border-radius: 6px; background: #10120f; color: var(--paper); font: 16px/1.4 "Avenir Next", sans-serif; }
#info-panel button { display: block; width: 100%; min-height: 48px; margin-top: 12px; padding: 12px 22px; background: var(--ochre); color: var(--ink); border: 1px solid var(--ochre); border-radius: 6px; font-size: 15px; font-weight: 900; line-height: 1.2; cursor: pointer; }
#info-close-btn { position: sticky; bottom: 0; background: var(--ink-soft) !important; color: var(--paper) !important; border-color: #55594f !important; }
#info-panel .secondary-action { background: var(--ink-soft); color: var(--paper); }
#info-panel .danger-action { background: #9c382e; color: #fff; }
#info-panel .note-card { margin: 10px 0; padding: 11px; background: rgba(243,232,206,.07); border-radius: 5px; border-left: 3px solid var(--warning); }

.km-marker-label { background: none !important; border: none !important; box-shadow: none !important; color: var(--paper); font-size: 11px; font-weight: 800; text-shadow: 0 0 4px #000, 0 0 4px #000, 0 0 2px #000; white-space: nowrap; }
#coords-display { position: fixed; bottom: max(15px, env(safe-area-inset-bottom)); left: 12px; z-index: 1000; background: rgba(23,25,22,.88); color: var(--muted); padding: 6px 8px; border-radius: 3px; font-size: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
#imagery-status { position: fixed; z-index: 999; left: 50%; bottom: max(17px, env(safe-area-inset-bottom)); transform: translateX(-50%); padding: 5px 8px; white-space: nowrap; border: 1px solid rgba(216,149,36,.5); border-radius: 3px; background: rgba(23,25,22,.88); color: var(--ochre); font-size: 8px; font-weight: 900; letter-spacing: .08em; cursor: pointer; }
#map-attribution { position: fixed; right: 3px; bottom: 2px; z-index: 998; padding: 1px 4px; border-radius: 2px; background: rgba(243,232,206,.75); color: #333; font-size: 8px; line-height: 11px; }

.user-marker { width: 20px; height: 20px; background: var(--river-bright); border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 12px rgba(54,192,197,.7); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 10px rgba(54,192,197,.6); } 50% { box-shadow: 0 0 25px rgba(54,192,197,1); } }
.poi-label { background: rgba(255,211,106,.92) !important; color: var(--ink) !important; border: none !important; border-radius: 3px !important; padding: 2px 6px !important; font-size: 12px; font-weight: 800; box-shadow: 0 1px 4px rgba(0,0,0,.3) !important; white-space: nowrap; }
.poi-emoji, .user-note-marker { background: none !important; border: none !important; font-size: 22px; text-align: center; line-height: 1; filter: drop-shadow(0 2px 3px rgba(0,0,0,.75)); }
.user-note-marker { font-size: 24px; }
.leaflet-control-zoom { margin-top: 78px !important; margin-left: 10px !important; border: 0 !important; box-shadow: 0 5px 18px rgba(0,0,0,.34) !important; }
.leaflet-control-zoom a { background: rgba(36,39,34,.94) !important; color: var(--paper) !important; border: 1px solid rgba(243,232,206,.12) !important; }
.leaflet-control-attribution { display: none !important; }

@media (max-height: 700px) {
  #layer-column { top: 132px; }
  .layer-btn, #poi-toggle-btn { width: 38px; height: 38px; flex-basis: 38px; }
  #poi-drawer.open { max-height: calc(100dvh - 320px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}