:root {
  --ink: #f4f1ea;
  --muted: #b9b0c8;
  --bg-top: #241436;
  --bg-bottom: #4a2140;
  --amber: #ffb347;
  --tail: #ff5d5d;
  --accent: #6fe3c9;
  --panel: #1b1226ee;
  --panel-border: #3d2a52;
  --road: #2b2438;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg-bottom);
  color: var(--ink);
}

body {
  position: relative;
  overflow-x: hidden;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% -10%, #ffb34733, transparent 55%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

a { color: var(--accent); }

.screen { min-height: 100vh; display: flex; flex-direction: column; }

/* ---------- landing ---------- */

.landing-card {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
  padding: 12vh 24px 24px;
  text-align: center;
}

.landing-card h1 {
  font-size: 2.6rem;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.car-emoji { display: inline-block; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }

.tagline { color: var(--muted); font-size: 1rem; margin-bottom: 28px; }

#start-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 20px;
}

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

#handle-input, #note-input, #me-edit-input {
  font: inherit;
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid var(--panel-border);
  background: #120a1c;
  color: var(--ink);
}

#handle-input:focus, #note-input:focus { outline: 2px solid var(--accent); }

#start-btn, #share-btn, .honk-btn, #note-form button, #me-edit {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 9px;
  padding: 12px 16px;
  background: var(--amber);
  color: #241436;
  font-weight: 700;
  transition: transform 0.1s ease;
}
#start-btn:hover, #share-btn:hover, .honk-btn:hover, #note-form button:hover { transform: translateY(-1px); }
#start-btn:active, .honk-btn:active { transform: translateY(1px); }

.status { min-height: 1.4em; color: var(--accent); font-size: 0.9rem; }
.status.error { color: var(--tail); }

.explainer { color: var(--muted); font-size: 0.85rem; line-height: 1.5; margin-top: 22px; }

.credit { text-align: center; padding: 18px; color: var(--muted); font-size: 0.78rem; }

/* ---------- jam header ---------- */

.jam-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--panel-border);
  background: #180f24cc;
  backdrop-filter: blur(4px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { font-weight: 800; text-decoration: none; color: var(--ink); font-size: 1.05rem; }
.jam-title { font-size: 0.95rem; }
.pill {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #ffffff14;
  color: var(--muted);
  font-size: 0.72rem;
}

.identity { margin-left: auto; font-size: 0.85rem; color: var(--muted); }
#me-name { color: var(--ink); }
#me-edit {
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--muted);
  padding: 4px 10px;
  font-size: 0.75rem;
  margin-left: 6px;
}
.share-btn { padding: 8px 14px; font-size: 0.85rem; }
.copy-btn {
  padding: 8px 14px;
  font-size: 0.85rem;
  background: transparent;
  border: 1px solid var(--panel-border);
  color: var(--muted);
  border-radius: 9px;
  cursor: pointer;
  font-family: inherit;
}
.copy-btn.copied { color: var(--accent); border-color: var(--accent); }

/* ---------- road ---------- */

.road-wrap { padding: 22px 0 8px; }

.road {
  position: relative;
  overflow-x: auto;
  padding: 20px 0;
  background:
    repeating-linear-gradient(
      90deg,
      #ffffff55 0 26px,
      transparent 26px 56px
    ) center / 100% 4px no-repeat,
    var(--road);
  border-top: 3px solid #00000055;
  border-bottom: 3px solid #00000055;
}

.cars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  padding: 0 24px;
  width: max-content;
  min-width: 100%;
}

.road.creeping .cars { animation: creep-forward 0.9s ease; }
.road.surging .cars { animation: surge-forward 1.1s ease; }
@keyframes creep-forward {
  0% { transform: translateX(0); }
  40% { transform: translateX(10px); }
  100% { transform: translateX(0); }
}
@keyframes surge-forward {
  0% { transform: translateX(0); }
  35% { transform: translateX(34px); }
  100% { transform: translateX(0); }
}

.car {
  position: relative;
  width: 108px;
  flex: 0 0 auto;
  padding: 10px 8px 12px;
  border-radius: 12px 12px 6px 6px;
  color: #1a1a1a;
  opacity: 0.55;
  filter: grayscale(35%);
  transition: opacity 0.25s ease, filter 0.25s ease, transform 0.15s ease;
  text-align: center;
}

.car.awake { opacity: 1; filter: none; box-shadow: 0 0 0 2px #ffffff30, 0 6px 18px #00000055; }
.car.is-you { box-shadow: 0 0 0 3px var(--accent), 0 6px 18px #00000066; transform: translateY(-3px); }

.car .plate {
  margin-top: 6px;
  font-size: 0.62rem;
  background: #f4f1ea;
  border-radius: 4px;
  padding: 2px 4px;
  color: #1a1a1a;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.car .window {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  border: 3px solid #ffffffaa;
  overflow: hidden;
  background: #0002;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.car .window img { width: 100%; height: 100%; object-fit: cover; display: block; }

.car .you-flag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0b1a17;
  font-size: 0.6rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 999px;
}

.car .zzz { position: absolute; top: -6px; right: 2px; font-size: 0.8rem; opacity: 0.8; }

.car .honking { animation: shake 0.4s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-3px) rotate(-1deg); }
  40% { transform: translateX(3px) rotate(1deg); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}

.car .honk-bubble {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--tail);
  color: #fff;
  font-weight: 800;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  animation: pop-fade 1.1s ease forwards;
  pointer-events: none;
}
@keyframes pop-fade {
  0% { opacity: 0; transform: translate(-50%, 6px) scale(0.7); }
  20% { opacity: 1; transform: translate(-50%, -4px) scale(1); }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -14px) scale(0.95); }
}

/* ---------- controls ---------- */

.controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
}
.honk-btn { font-size: 1rem; background: var(--tail); color: #2a0d0d; }
.honk-tally { color: var(--muted); font-size: 0.85rem; }
.mileage { color: var(--accent); font-size: 0.85rem; margin-left: auto; }
.creep-status { text-align: center; margin: -8px 20px 8px; color: var(--muted); }

/* ---------- panels ---------- */

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 8px 20px 24px;
}
@media (max-width: 760px) {
  .panels { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}
.panel h2 { margin: 0 0 10px; font-size: 1rem; }

.notes-feed {
  flex: 1;
  min-height: 220px;
  max-height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
  margin-bottom: 10px;
}
.note-line { font-size: 0.85rem; line-height: 1.4; }
.note-line .who { color: var(--amber); font-weight: 700; }
.note-line .when { color: var(--muted); font-size: 0.7rem; margin-left: 6px; }
.note-empty { color: var(--muted); font-size: 0.85rem; }

#note-form { display: flex; gap: 8px; }
#note-form input { flex: 1; }
#note-form button { padding: 10px 14px; }

.board-hint { color: var(--muted); font-size: 0.8rem; margin: 0 0 10px; }
.board-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.board-item {
  display: block;
  width: 100%;
  text-align: left;
  background: #ffffff0a;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}
.board-item:disabled { cursor: default; opacity: 0.6; }
.board-item.spotted { text-decoration: line-through; color: var(--accent); border-color: var(--accent); }
.board-item .by { display: block; font-size: 0.7rem; color: var(--muted); text-decoration: none; margin-top: 2px; }
.board-clears { color: var(--muted); font-size: 0.78rem; margin: 10px 0 0; }

/* ---------- flying notes ---------- */

#note-fly-layer { position: fixed; inset: 0; pointer-events: none; z-index: 50; overflow: hidden; }
.note-fly {
  position: absolute;
  background: var(--amber);
  color: #241436;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 4px 12px #00000055;
}

.jam-cleared-banner {
  position: fixed;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0b1a17;
  font-weight: 800;
  padding: 10px 18px;
  border-radius: 999px;
  z-index: 60;
  animation: pop-fade 3.2s ease forwards;
}