:root {
  --font-family: 'Press Start 2P', 'VT323', 'IBM Plex Mono', 'Fira Mono', monospace;
  --font-family-title: 'Bebas Neue', Arial, sans-serif;
  --font-family-heading: 'Raster Forge', sans-serif;
  --color-bg: rgba(34, 34, 38, 1);
  --color-bg-panel: rgba(45, 45, 50, 1);
  --color-bg-panel-elevated: rgba(54, 54, 60, 1);
  --color-map-bg: rgba(26, 34, 56, 1);
  --color-text: rgba(232, 232, 236, 1);
  --color-text-muted: rgba(176, 176, 184, 1);
  --color-border: rgba(74, 74, 84, 1);
  --color-accent: rgb(116, 164, 242);
  --color-accent-hover: rgb(90, 139, 243);
  --color-success: rgba(34, 197, 94, 1);
  --color-danger: rgb(251, 71, 71);
  --color-danger-soft: rgb(250, 143, 143);
  --color-danger-hover: rgba(185, 28, 28, 1);
  --color-white: rgba(255, 255, 255, 1);
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-scrim: rgb(229, 248, 88);
  --color-label-bg: rgba(0, 0, 0, 0.72);
  --color-course-pin-bg: rgba(0, 0, 0, 0.48);
  --color-marker-ring: rgba(0, 0, 0, 0.35);
  --color-status-online-bg: rgba(20, 52, 31, 1);
  --color-status-offline-bg: rgba(58, 26, 26, 1);
  --color-status-offline: rgba(255, 138, 138, 1);
  --color-input-bg: rgba(40, 40, 46, 1);
  --color-user-bg: rgba(38, 48, 40, 1);
  --color-ghost-hover: rgba(92, 92, 104, 1);
  --color-course: rgba(113, 106, 106, 0.5);
  --color-course-start: rgba(9, 228, 89, 1);
  --color-course-finish: rgba(254, 24, 3, 1);
  --color-course-stem: rgba(51, 51, 51, 1);
  --color-course-low-inner: rgba(51, 51, 51, 1);
  --color-course-label: rgba(51, 51, 51, 1);
  --color-grade-uphill: rgba(251, 21, 21, 0.5);
  --color-grade-flat: rgba(4, 255, 0, 0.5);
  --color-trace-1: rgb(25, 254, 0);
  --color-trace-2: rgb(0, 255, 242);
  --color-trace-3: rgb(241, 26, 26);
  --color-trace-4: rgb(46, 67, 255);
  --color-trace-5: rgb(247, 117, 2);
  --color-trace-6: rgb(119, 98, 98);
  --color-trace-7: rgb(23, 131, 91);
  --color-trace-8: rgb(180, 172, 115);
  --color-trace-9: rgb(8, 175, 246);
  --color-trace-10: rgb(170, 136, 249);
  --color-trace-11: rgb(221, 0, 255);
  --color-trace-12: rgb(32, 182, 32);
  --color-trace-13: rgb(228, 7, 125);
  --color-trace-14: rgb(98, 179, 0);
  --color-trace-15: rgb(89, 120, 245);
  --color-trace-16: rgb(146, 93, 47);
  --color-trace-17: rgb(255, 46, 46);
  --color-trace-18: rgb(0, 158, 137);
  --color-trace-19: rgb(57, 0, 189);
  --color-trace-20: rgb(2, 253, 161);
  --color-trace-21: rgb(255, 221, 0);
  --color-trace-22: rgb(182, 73, 0);
  --color-trace-23: rgb(7, 187, 163);
  --color-trace-24: rgb(211, 255, 109);
   --color-ctrl-bg: rgb(57, 57, 57);
  --color-ctrl-bg-hover: rgb(120, 120, 128);
  --color-ctrl-bg-active: rgba(240, 240, 240, 1);
  --color-ctrl-fg: rgba(240, 240, 240, 1);
  --color-ctrl-fg-active: rgba(30, 30, 34, 1);
  --color-ctrl-bg-running: rgb(175, 255, 122);
  --color-ctrl-border: rgba(255, 255, 255, 0.55);
  --color-ctrl-divider: rgba(255, 255, 255, 0.22);
  --color-ctrl-disabled-bg: rgba(22, 22, 24, 1);
  --color-ctrl-disabled-fg: rgba(240, 240, 240, 0.35);
  --map-tile-brightness: 0.6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  user-select: none;
}

input,
textarea {
  user-select: text;
}

.app-layout {
  position: relative;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
}

#map {
  position: absolute;
  inset: 0;
  background: var(--color-map-bg);
}

#map .leaflet-tile-pane {
  filter: brightness(var(--map-tile-brightness));
}

body.is-replaying {
  --map-tile-brightness: 0.4;
}

body.is-replaying .unified-panel,
body.is-replaying #panel-launcher,
body.is-replaying .chat-open {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.panel-faded .unified-panel {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}

#panel-launcher {
  position: fixed;
  top: auto;
  right: auto;
  bottom: 20px;
  left: 50%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  border: 2px solid var(--color-ctrl-border);
  border-radius: 50%;
  background: var(--color-ctrl-bg);
  color: var(--color-ctrl-fg);
  box-shadow: 0 2px 10px var(--color-shadow);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

#panel-launcher:hover {
  background: var(--color-ctrl-bg-hover);
}

body.panel-faded #panel-launcher {
  opacity: 1;
  pointer-events: auto;
}

.unified-panel {
  position: fixed;
  visibility: visible;
  opacity: 1;
  transition: opacity 0.5s ease, visibility 0s;
  top: 20px;
  right: 20px;
  left: auto;
  width: min(420px, calc(50% - 20px));
  max-height: calc(100dvh - 40px);
  z-index: 1000;
  background: var(--color-bg-panel);
  border-radius: 6px;
  box-shadow: 0 4px 24px var(--color-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.unified-panel-scroll {
  flex: 1;
  min-height: 0;
  padding: 1rem 1.25rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: auto;
  scrollbar-color: var(--color-border) var(--color-bg-panel);
}

.unified-panel-scroll::-webkit-scrollbar,
.chat-list::-webkit-scrollbar {
  width: 12px;
}

.unified-panel-scroll::-webkit-scrollbar-track,
.chat-list::-webkit-scrollbar-track {
  background: var(--color-bg-panel);
  border-radius: 0 5px 5px 0;
  margin: 0.5rem 0;
}

.unified-panel-scroll::-webkit-scrollbar-thumb,
.chat-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.unified-panel-scroll::-webkit-scrollbar-thumb:hover,
.chat-list::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

.panel-header .chaser-brand-row {
  display: grid;
  grid-template-columns: minmax(0, auto) auto minmax(0, 1fr);
  align-items: center;
  justify-content: start;
  column-gap: 0.55rem;
  width: 100%;
  margin: 0;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.panel-header .chaser-brand-row > * {
  justify-self: start;
  text-align: left;
  min-width: 0;
}

.panel-header .chaser-brand-row h1 {
  margin: 0;
  font-family: "Bebas Neue", Arial, sans-serif;
  font-size: clamp(1.55rem, 4.2vw, 2.25rem);
  letter-spacing: 0.02em;
  line-height: 1.15;
  white-space: nowrap;
  transition: font-size 0.2s ease, color 0.15s ease;
}

.panel-header .chaser-brand-row:hover h1,
.panel-header .chaser-brand-row:hover h2 {
  color: var(--color-accent);
}

.panel-header .chaser-brand-row .chaser-app-title-img {
  display: block;
  height: clamp(2.4rem, 6vw, 3.4rem);
  width: auto;
  max-width: 3.6rem;
  flex-shrink: 0;
  transition: filter 0.15s ease;
}

.panel-header .chaser-brand-row:hover .chaser-app-title-img {
  /* Tint white logo toward --color-accent (rgb(116, 164, 242)). */
  filter: brightness(0) saturate(100%) invert(70%) sepia(28%) saturate(1400%) hue-rotate(187deg) brightness(98%) contrast(95%);
}

.panel-header .chaser-brand-row h2 {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.25;
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
  transition: color 0.15s ease;
}

.panel-header.has-event .chaser-brand-row {
  margin-top: 0.15rem;
}

.panel-header.has-event .chaser-brand-row h1 {
  font-size: clamp(1.45rem, 4vw, 2rem);
}

.panel-header.has-event .chaser-brand-row .chaser-app-title-img {
  height: clamp(2.5rem, 6vw, 3.2rem);
  max-width: 3.4rem;
}

.panel-header.has-event .chaser-brand-row h2 {
  font-size: 0.68rem;
}

.event-panel-line {
  display: none;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
  margin: 0;
  color: var(--color-text);
}

.panel-header.has-event .event-panel-line,
.event-panel-line:not([hidden]) {
  display: flex;
}

.event-share-btn,
.event-push-btn {
  flex: 0 0 auto;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  margin: 0 0 0.55rem;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: #f3ef9a;
  filter:
    drop-shadow(0 0 0.35em rgba(0, 0, 0, 0.95))
    drop-shadow(0 0.08em 0.2em rgba(0, 0, 0, 0.9))
    drop-shadow(0 0.12em 0.45em rgba(0, 0, 0, 0.85));
  cursor: pointer;
}

.event-share-btn svg,
.event-push-btn svg {
  width: 1.65rem;
  height: 1.65rem;
  display: block;
}

.event-share-btn:hover,
.event-share-btn.is-copied,
.event-push-btn:hover,
.event-push-btn.is-on {
  filter:
    brightness(1.12)
    drop-shadow(0 0 0.35em rgba(0, 0, 0, 0.95))
    drop-shadow(0 0.08em 0.2em rgba(0, 0, 0, 0.9))
    drop-shadow(0 0.12em 0.45em rgba(0, 0, 0, 0.85));
}

.event-push-btn.is-on {
  color: var(--color-success);
}

.event-share-btn[hidden],
.event-push-btn[hidden] {
  display: none;
}

.event-panel-name {
  font-family: "Trade Winds", cursive;
  font-size: 2.6rem;
  line-height: 1.15;
  margin-bottom:0.75rem;
  letter-spacing: 0.02em;
  color: #f3ef9a;
  text-shadow:
    0 0 0.35em rgba(0, 0, 0, 0.95),
    0 0.08em 0.2em rgba(0, 0, 0, 0.9),
    0 0.12em 0.45em rgba(0, 0, 0, 0.85);
}

.panel-header.is-ride-locked .event-panel-name,
.panel-header.is-ride-locked .event-share-btn {
  color: var(--color-danger);
}

.panel-header.is-ride-locked .event-push-btn:not(.is-on) {
  color: var(--color-danger);
}

.event-admin-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  align-self: center;
  margin: 0 0 0.55rem;
}

.ride-lock-btn,
.event-delete-btn {
  font: inherit;
  font-size: 0.65rem;
  line-height: 1.15;
  padding: 0.12rem 0.35rem;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-panel);
  color: var(--color-text-muted);
  cursor: pointer;
}

.ride-lock-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.ride-lock-btn.is-locked {
  border-color: var(--color-danger);
  color: var(--color-bg);
  background: var(--color-danger);
}

.event-delete-btn:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.ride-lock-btn[hidden],
.event-delete-btn[hidden] {
  display: none;
}

#notice-dialog-input {
  display: block;
  width: 100%;
  margin: 0 0 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 0.4rem 0.5rem;
  background: var(--color-input-bg);
  color: var(--color-text);
  font: inherit;
}

#notice-dialog-input[hidden] {
  display: none;
}

#notice-dialog-confirm:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.create-event-form {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.5rem;
}

.create-event-code-field {
  display: grid;
  gap: 0.25rem;
}

.create-event-code-title {
  font-family: "IBM Plex Mono", "Fira Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(74, 222, 128, 0.85);
}

.create-event-code-field input {
  font-family: "IBM Plex Mono", "Fira Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: rgba(134, 239, 172, 1);
  background: rgba(10, 24, 16, 0.95);
  border: 1px solid rgba(34, 197, 94, 0.45);
  caret-color: rgba(74, 222, 128, 1);
}

.create-event-code-field input::placeholder {
  color: rgba(74, 222, 128, 0.35);
  letter-spacing: 0.2em;
}

.panel-section {
  margin-top: 0.9rem;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-panel-elevated);
}

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  line-height: 1.1;
}
.status-label { font-size: 0.78rem; color: var(--color-text-muted); }

.status-pill {
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.1;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  text-transform: uppercase;
}

.status-online { background: var(--color-status-online-bg); color: var(--color-success); }
.status-offline { background: var(--color-status-offline-bg); color: var(--color-status-offline); }

.panel-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}

.panel-section.panel-controls h3 {
  margin: 0;
}

.rider-status {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.panel-controls input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 0.5rem 0.6rem;
  background: var(--color-input-bg);
  color: var(--color-text);
}

.panel-controls button {
  font-family: var(--font-family-heading);
  border: 0;
  border-radius: 5px;
  padding: 0.55rem 0.8rem;
  background: var(--color-accent);
  color: var(--color-white);
  cursor: pointer;
}

.panel-controls button:hover { background: var(--color-accent-hover); }

#stop-tracking {
  background: var(--color-danger-soft);
  color: var(--color-ctrl-fg-active);
}

#stop-tracking:hover {
  background: var(--color-danger);
  color: var(--color-white);
}

#clear-sessions {
  margin-bottom: 0.5rem;
  padding: 0.2rem 0.45rem;
  font-family: var(--font-family-heading);
  font-size: 0.72rem;
  background: var(--color-bg-panel-elevated);
  color: var(--color-danger);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  cursor: pointer;
}

#clear-sessions:hover {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}

.panel-section h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-family-heading);
  font-size: 1rem;
}

.user-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

#sim-log {
  margin: 0.5rem 0 0;
  max-height: 9rem;
  overflow: auto;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-bg-panel-elevated);
  color: var(--color-text);
  font-family: "IBM Plex Mono", "Fira Mono", monospace;
  font-size: 0.68rem;
  line-height: 1.35;
  white-space: pre-wrap;
  user-select: text;
}

.user-item {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-success);
  border-radius: 5px;
  padding: 0.45rem 0.55rem;
  background: var(--color-user-bg);
}

.user-item-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.user-item-head .user-item-name {
  flex: 1;
  min-width: 0;
}

.user-item-del {
  flex-shrink: 0;
  font: inherit;
  font-size: 0.68rem;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg-panel-elevated);
  color: var(--color-danger);
  cursor: pointer;
}

.user-item-del:hover {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}

.user-item[data-session-id] {
  cursor: pointer;
}

.user-item[data-session-id]:hover {
  border-color: var(--color-text-muted);
}

.user-item.is-tracking,
.user-item.is-tracking:hover {
  background: var(--color-scrim);
  color: var(--color-course-label);
  border-color: var(--color-scrim);
}

.user-item.is-tracking .user-item-meta {
  color: var(--color-course-label);
}

.user-item-name {
  font-size: 0.75rem;
  font-weight: 700;
}

.user-item-name.notice-alias {
  font-size: 0.75rem;
}

.user-item-stale {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-danger);
}

.user-item-finished {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-success);
}

.user-item-meta {
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.chaser-marker-icon {
  background: transparent;
  border: 0;
}

.chaser-callout {
  position: relative;
  width: 14px;
  height: 14px;
}

.chaser-callout-stem {
  position: absolute;
  left: 6px;
  bottom: 7px;
  width: 2px;
  height: 56px;
  background: var(--color-white);
  z-index: 0;
  pointer-events: none;
}

.chaser-place {
  margin-right: 0.3em;
}

.chaser-callout-label {
  position: absolute;
  left: 7px;
  bottom: 64px;
  transform: translateX(-50%);
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--color-label-bg);
  font-family: var(--font-family-heading);
  font-size: 16px;
  letter-spacing: 0.03em;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
}

body.map-zoom-low .chaser-callout-label {
  font-size: 10px;
  padding: 1px 3px;
}

.chaser-user-marker {
  position: relative;
  z-index: 1;
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-marker-ring);
}

.chaser-accuracy-ring {
  animation: chaser-accuracy-pulse 2.4s ease-in-out infinite;
}

.course-marker-icon,
.course-title-icon {
  background: transparent;
  border: 0;
}

.course-callout {
  position: relative;
  display: block;
  width: 10px;
  height: 10px;
}

.course-callout-stem {
  position: absolute;
  left: 4px;
  bottom: 5px;
  width: 2px;
  height: 26px;
  background: var(--color-course-stem);
  pointer-events: none;
}

.course-callout-label {
  position: absolute;
  left: 5px;
  bottom: 31px;
  transform: translateX(-50%);
  padding: 1px 4px;
  border-radius: 3px;
  background: var(--color-label-bg);
  box-shadow: 0 2px 5px var(--color-shadow);
  color: var(--color-course-label);
  font-family: var(--font-family-heading);
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
}

.course-km-label {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 600;
  color: var(--color-white);
  padding: 2px 6px;
  background: var(--color-course-pin-bg);
}

.course-km-label.is-km {
  color: rgb(255, 221, 0);
}

.course-callout-title .course-callout-stem {
  height: 176px;
}

.course-callout-title .course-callout-label {
  bottom: 181px;
  padding: 0.38em 0.42em 0.36em;
  border-radius: 2px;
  background: var(--color-scrim);
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: 36px;
  letter-spacing: 0.04em;
  line-height: 0.8;
  text-shadow: 0 1px 2px var(--color-shadow);
}

body:not(.map-zoom-course) .course-outline,
body:not(.map-zoom-course) .course-line {
  display: none;
}

body.map-zoom-course .course-grade {
  display: none;
}

body.map-zoom-course .course-line {
  stroke: var(--color-course-low-inner);
  stroke-dasharray: none;
  stroke-opacity: 1;
}

body.map-zoom-course .course-callout-stem {
  height: 16px;
}

body.map-zoom-course .course-callout-label {
  bottom: 21px;
  font-size: 10px;
}

body.map-zoom-course .course-callout-title .course-callout-stem {
  height: 88px;
}

body.map-zoom-course .course-callout-title .course-callout-label {
  bottom: 93px;
  font-size: 18px;
}

body.map-zoom-title .course-callout-title .course-callout-stem {
  height: 352px;
}

body.map-zoom-title .course-callout-title .course-callout-label {
  bottom: 357px;
}

.course-callout-dot {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 1px var(--color-scrim);
}

@keyframes chaser-accuracy-pulse {
  0%, 100% { stroke-opacity: 0.45; }
  50% { stroke-opacity: 1; }
}

.leaflet-bar,
.leaflet-touch .leaflet-bar {
  border: 2px solid var(--color-ctrl-border);
  border-radius: 4px;
  box-shadow: 0 2px 10px var(--color-shadow);
  overflow: hidden;
}

.leaflet-bar a,
.leaflet-touch .leaflet-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  line-height: 30px;
  background-color: var(--color-ctrl-bg);
  color: var(--color-ctrl-fg);
  border-bottom: 1px solid var(--color-ctrl-divider);
}

.leaflet-bar a:last-child,
.leaflet-touch .leaflet-bar a:last-child {
  border-bottom: none;
}

.leaflet-bar a:hover,
.leaflet-bar a:focus,
.leaflet-touch .leaflet-bar a:hover,
.leaflet-touch .leaflet-bar a:focus {
  background-color: var(--color-ctrl-bg-hover);
  color: var(--color-white);
}

.leaflet-bar a:active,
.leaflet-touch .leaflet-bar a:active {
  background-color: var(--color-ctrl-bg-active);
  color: var(--color-ctrl-fg-active);
}

.leaflet-bar a.session-center-btn.is-active,
.leaflet-bar a.session-center-btn.is-active:hover,
.leaflet-touch .leaflet-bar a.session-center-btn.is-active,
.leaflet-touch .leaflet-bar a.session-center-btn.is-active:hover {
  background-color: var(--color-ctrl-bg-running);
  color: var(--color-ctrl-fg-active);
}

.leaflet-bar a.leaflet-disabled,
.leaflet-bar a.session-center-btn.is-disabled,
.leaflet-touch .leaflet-bar a.leaflet-disabled,
.leaflet-touch .leaflet-bar a.session-center-btn.is-disabled {
  background-color: var(--color-ctrl-disabled-bg);
  color: var(--color-ctrl-disabled-fg);
  cursor: default;
}

.session-center-icon,
.gpx-load-icon {
  display: block;
  width: 16px;
  height: 16px;
  margin: 0;
  fill: currentColor;
}

.gpx-load-control[hidden] {
  display: none !important;
}

.install-gate {
  position: fixed;
  inset: 0;
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: linear-gradient(165deg, #1a1a1e 0%, #2a2520 45%, #1e2228 100%);
  color: #f2efe8;
}

.install-gate[hidden] {
  display: none;
}

body.install-required .app-layout,
body.install-required .viewer-ride,
body.install-required .chat-open,
body.install-required .admin-mode-badge,
body.install-required .viewer-replay-label,
body.install-required .notice-dialog {
  display: none !important;
}

.install-gate-card {
  max-width: 26rem;
  width: 100%;
}

.install-gate-title {
  margin: 0 0 0.65rem;
  font-family: "Bebas Neue", sans-serif;
  font-size: 2.4rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.install-gate-lead,
.install-gate-note {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.45;
  color: rgba(242, 239, 232, 0.88);
}

.install-gate-platform {
  margin: 0 0 0.4rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: rgba(242, 239, 232, 0.55);
}

.install-gate-platform.is-matched {
  color: #f3ef9a;
}

.install-gate-steps {
  margin: 0 0 1.1rem;
  padding-left: 0;
  list-style-position: inside;
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(242, 239, 232, 0.72);
}

.install-gate-steps.is-matched {
  color: #f3ef9a;
}

.install-gate-steps li + li {
  margin-top: 0.45rem;
}

.notice-dialog {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.45);
}

.notice-dialog[hidden] {
  display: none;
}

.notice-dialog-card input {
  width: 100%;
  margin: 0 0 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 0.4rem 0.5rem;
  background: var(--color-input-bg);
  color: var(--color-text);
  font: inherit;
}

body.is-viewer .session-center-control,
body.is-viewer .panel-controls {
  display: none;
}

.viewer-ride {
  display: none;
  position: fixed;
  top: 36px;
  left: 50%;
  z-index: 1000;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  border: 2px solid var(--color-ctrl-border);
  border-radius: 50%;
  background: var(--color-ctrl-bg);
  color: var(--color-ctrl-fg);
  box-shadow: 0 2px 10px var(--color-shadow);
  cursor: pointer;
}

body.is-viewer .viewer-ride {
  display: flex;
  align-items: center;
  justify-content: center;
}

body.is-writing:not(.is-replaying) #viewer-ride {
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  cursor: default;
  background: var(--color-ctrl-bg-running);
  color: var(--color-ctrl-fg-active);
  animation: ride-active-pulse 2.6s ease-in-out infinite;
}

@keyframes ride-active-pulse {
  0%, 100% {
    opacity: 0.78;
    box-shadow: 0 0 0 0 rgba(186, 240, 150, 0.45);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 0 12px rgba(186, 240, 150, 0);
  }
}

body.is-replaying #viewer-ride,
body.is-viewer.is-replaying #viewer-flyover,
body.is-writing.is-replaying #viewer-flyover {
  display: none;
}

body.is-replaying.has-flyover .viewer-replay {
  top: 88px;
}

body.is-replaying.has-flyover .viewer-replay-stop {
  top: 138px;
}

.viewer-flyover {
  top: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewer-flyover svg {
  transform: translateX(-2px);
}

.viewer-replay {
  top: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.has-flyover .viewer-replay {
  top: 138px;
}

.viewer-replay-stop {
  top: 138px;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.has-flyover .viewer-replay-stop {
  top: 188px;
}

.viewer-replay[hidden],
.viewer-flyover[hidden],
.viewer-replay-stop[hidden],
body.is-viewer .viewer-replay[hidden],
body.is-viewer .viewer-flyover[hidden],
body.is-viewer .viewer-replay-stop[hidden],
body.is-writing .viewer-replay[hidden],
body.is-writing .viewer-flyover[hidden],
body.is-writing .viewer-replay-stop[hidden] {
  display: none;
}

.viewer-replay-label {
  display: none;
  position: fixed;
  top: 48px;
  left: 50%;
  z-index: 1000;
  margin: 0;
  transform: translateX(-50%);
  padding: 4px 10px;
  border: none;
  background: rgba(0, 0, 0, 0.55);
  box-shadow: none;
  color: var(--color-text);
  font-family: var(--font-family-body);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
  pointer-events: none;
}

body.is-replaying .viewer-replay-label {
  display: block;
}

.viewer-replay[aria-pressed="true"] {
  background: var(--color-ctrl-bg-running);
  color: var(--color-ctrl-fg-active);
}

.viewer-replay .replay-pause {
  display: none;
}

body.is-replaying:not(.is-replay-paused) .viewer-replay .replay-play {
  display: none;
}

body.is-replaying:not(.is-replay-paused) .viewer-replay .replay-pause {
  display: block;
}

.viewer-ride:hover {
  background: var(--color-ctrl-bg-hover);
}

.viewer-replay[aria-pressed="true"]:hover {
  background: var(--color-ctrl-bg-hover);
  color: var(--color-ctrl-fg-active);
}

.admin-mode-badge {
  position: fixed;
  top: 138px;
  left: 50%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  transform: translateX(-50%);
  border: 2px solid var(--color-ctrl-border);
  border-radius: 50%;
  background: rgba(248, 113, 113, 0.95);
  box-shadow: 0 2px 10px var(--color-shadow);
  font-size: 18px;
  line-height: 1;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

body.has-flyover.has-replay .admin-mode-badge {
  top: 188px;
}

.admin-mode-badge[hidden] {
  display: none;
}

body.is-replaying .admin-mode-badge {
  display: none;
}

.viewer-ride svg {
  width: 24px;
  height: 24px;
  display: block;
}

.notice-dialog-card {
  width: min(260px, 100%);
  padding: 0.7rem 0.8rem;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 24px var(--color-shadow);
}

.notice-dialog-card p {
  margin: 0 0 0.55rem;
  font-size: 0.85rem;
  line-height: 1.35;
}

.notice-dialog-card p:last-child {
  margin-bottom: 0;
}

.notice-alias {
  font-family: var(--font-family-heading);
  font-size: 1.2em;
  letter-spacing: 0.03em;
}

#rider-panel-title .notice-alias,
#rider-log .notice-alias {
  font-size: 1em;
}

.notice-dialog-actions {
  display: flex;
  gap: 0.35rem;
}

#rider-actions {
  flex-direction: column;
}

#rider-actions[hidden] {
  display: none;
}

#rider-dialog {
  transition: opacity 0.6s ease;
}

#rider-dialog.is-fading {
  opacity: 0;
}

#rider-form.is-result {
  display: flex;
  align-items: center;
  justify-content: center;
}

#rider-form.is-result #rider-log {
  margin: 0;
  text-align: center;
}

.notice-dialog-actions button {
  flex: 1;
  font-family: var(--font-family-heading);
  border: 0;
  border-radius: 5px;
  padding: 0.45rem 0.65rem;
  background: var(--color-accent);
  color: var(--color-white);
  cursor: pointer;
}

.notice-dialog-actions button:hover { background: var(--color-accent-hover); }

#rider-start {
  transition: opacity 0.4s ease;
}

#rider-start.is-fading {
  opacity: 0;
  pointer-events: none;
}
.notice-dialog-actions button.ghost { background: var(--color-border); }
.notice-dialog-actions button.ghost:hover { background: var(--color-ghost-hover); }
.notice-dialog-actions button.is-danger,
.notice-dialog-actions button.ghost.is-danger { background: var(--color-danger); }
.notice-dialog-actions button.is-danger:hover,
.notice-dialog-actions button.ghost.is-danger:hover { background: var(--color-danger-hover); }

.trace-popup .leaflet-popup-content-wrapper {
  width: 260px;
  padding: 0;
  background: var(--color-bg-panel);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 4px 24px var(--color-shadow);
}

.leaflet-tooltip.trace-hover-label {
  padding: 1px 4px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: var(--color-label-bg);
  color: var(--color-text);
  box-shadow: 0 2px 10px var(--color-shadow);
  font-family: var(--font-family-heading);
  font-size: 11px;
  letter-spacing: 0.03em;
  line-height: 1;
  white-space: nowrap;
}

.leaflet-tooltip.trace-hover-label::before {
  display: none;
}

body.map-zoom-low .leaflet-tooltip.trace-hover-label {
  font-size: 7px;
  padding: 1px 3px;
}

path.trace-hit,
path.trace-hit:focus {
  outline: none;
}

.trace-popup .leaflet-popup-content {
  width: auto !important;
  margin: 0.7rem 0.8rem;
  padding-right: 0.7rem;
  font-family: var(--font-family);
  font-size: 0.85rem;
  line-height: 1.35;
}

.leaflet-popup.trace-popup {
  margin-bottom: 22px;
}

.trace-popup .leaflet-popup-tip-container {
  display: none;
}

.trace-popup .leaflet-popup-close-button {
  color: var(--color-text);
  font-size: 18px;
  width: 18px;
  height: 18px;
  padding: 2px 4px 0 0;
}

.trace-popup .leaflet-popup-close-button:hover {
  color: var(--color-white);
}

@media (orientation: portrait) {
  .unified-panel {
    top: auto;
    right: 20px;
    left: 20px;
    bottom: 20px;
    width: calc(100% - 40px);
    max-height: 48dvh;
  }
}

#page-fade {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

#page-fade.is-covering {
  opacity: 1;
  pointer-events: auto;
}

html.page-fade-pending #page-fade {
  opacity: 1;
  transition: none;
}

.chat-open {
  position: fixed;
  top: auto;
  right: auto;
  bottom: 72px;
  left: 50%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  transform: translateX(-50%);
  border: 2px solid var(--color-ctrl-border);
  border-radius: 50%;
  background: var(--color-ctrl-bg);
  color: var(--color-ctrl-fg);
  box-shadow: 0 2px 10px var(--color-shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.chat-open svg {
  width: 22px;
  height: 22px;
  display: block;
}

.chat-open:hover {
  background: var(--color-ctrl-bg-hover);
}

body.panel-faded .chat-open:not([hidden]),
.chat-open.is-alert:not([hidden]) {
  opacity: 1;
  pointer-events: auto;
}

.chat-open.is-alert {
  border-color: #f3ef9a;
  color: #f3ef9a;
  animation: chat-open-fire 0.7s ease-in-out 4;
}

@keyframes chat-open-fire {
  0%,
  100% {
    transform: translateX(-50%) scale(1);
    box-shadow: 0 2px 10px var(--color-shadow);
  }
  50% {
    transform: translateX(-50%) scale(1.12);
    box-shadow: 0 0 0 6px rgba(243, 239, 154, 0.35);
  }
}

.chat-open[hidden] {
  display: none;
}

.chat-dialog .chat-dialog-card {
  width: min(360px, 100%);
  max-height: min(85dvh, 85vh);
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0.7rem;
  overflow: hidden;
}

@media (orientation: portrait) {
  .chat-dialog .chat-dialog-card {
    max-height: min(60dvh, 60vh);
  }
}

.chat-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.chat-dialog-header p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.chat-dialog-header .ghost {
  flex: 0 0 auto;
  font-family: var(--font-family-heading);
  border: 0;
  border-radius: 5px;
  padding: 0.3rem 0.55rem;
  background: var(--color-border);
  color: var(--color-text);
  cursor: pointer;
}

.chat-dialog-header .ghost:hover {
  background: var(--color-ghost-hover);
}

.chat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: auto;
  scrollbar-color: var(--color-border) var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  background: var(--color-input-bg);
}

.chat-list:empty::after {
  content: "No messages yet.";
  display: block;
  padding: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.chat-item {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--color-border);
}

.chat-item.is-new {
  background: rgba(243, 239, 154, 0.18);
  box-shadow: inset 3px 0 0 #f3ef9a;
  animation: chat-item-new-flash 1.1s ease-in-out 2;
}

@keyframes chat-item-new-flash {
  0%,
  100% {
    background: rgba(243, 239, 154, 0.12);
  }
  50% {
    background: rgba(243, 239, 154, 0.32);
  }
}

.chat-item:last-child {
  border-bottom: none;
}

.chat-item-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.chat-item-name {
  font-family: var(--font-family-heading);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.chat-item-text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.35;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-item-photo {
  display: block;
  max-width: 100%;
  max-height: 180px;
  margin-top: 0.35rem;
  border-radius: 4px;
  object-fit: contain;
  background: #111;
}

.chat-composer {
  flex: 0 0 auto;
  margin-top: 0.55rem;
  display: grid;
  gap: 0.4rem;
}

.chat-composer[hidden] {
  display: none;
}

.chat-composer textarea {
  width: 100%;
  resize: vertical;
  min-height: 2.6rem;
  max-height: 6rem;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 0.4rem 0.5rem;
  background: var(--color-input-bg);
  color: var(--color-text);
  font: inherit;
  box-sizing: border-box;
}

.chat-webcam {
  display: grid;
  gap: 0.4rem;
}

.chat-webcam[hidden] {
  display: none;
}

.chat-webcam video {
  width: 100%;
  max-height: 40vh;
  object-fit: cover;
  border-radius: 5px;
  background: #111;
}

.chat-webcam-actions {
  display: flex;
  gap: 0.4rem;
}

.chat-webcam-actions button {
  flex: 1 1 0;
  min-width: 0;
  height: 2.75rem;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-heading);
  font-size: 0.9rem;
  border: 0;
  border-radius: 5px;
  padding: 0 0.5rem;
  cursor: pointer;
  background: var(--color-accent);
  color: var(--color-white);
}

.chat-webcam-actions button.ghost {
  background: var(--color-border);
  color: var(--color-text);
}

.chat-webcam-actions button.ghost:hover {
  background: var(--color-ghost-hover);
}

.chat-webcam-actions button:hover {
  background: var(--color-accent-hover);
}

.chat-composer-row {
  display: flex;
  align-items: stretch;
  gap: 0.4rem;
}

.chat-camera-btn,
#chat-send {
  flex: 1 1 0;
  min-width: 0;
  height: 2.75rem;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-heading);
  font-size: 0.9rem;
  border: 0;
  border-radius: 5px;
  padding: 0 0.5rem;
  cursor: pointer;
  white-space: nowrap;
}

.chat-camera-btn {
  background: var(--color-border);
  color: var(--color-text);
}

.chat-camera-btn:hover {
  background: var(--color-ghost-hover);
}

.chat-preview {
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

.chat-preview[hidden] {
  display: none;
}

#chat-send {
  background: var(--color-accent);
  color: var(--color-white);
}

#chat-send:hover {
  background: var(--color-accent-hover);
}

#chat-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}