:root {
  --bg: #0f0f16;
  --panel: #1b1b24;
  --btn: #23232e;
  --btn-hover: #2e2e3d;
  --border: #33333f;
  --fg: #e8e8f0;
  --muted: #9a9ab0;
  --accent: #6c5ce7;
  --accent-hover: #5a4bd4;

  /* Match the GameKit widget to the theme. */
  --gk-panel: var(--panel);
  --gk-btn: var(--btn);
  --gk-btn-hover: var(--btn-hover);
  --gk-border: var(--border);
  --gk-fg: var(--fg);
  --gk-muted: var(--muted);
  --gk-accent: var(--accent);
  --gk-accent-hover: var(--accent-hover);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* track the mobile toolbar so the game fills the screen */
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--border);
  flex: none;
}

.topbar .left {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.title,
.back,
#account .gk-btn,
#account .gk-menu-item {
  white-space: nowrap;
}

.back {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
}
.back:hover { color: var(--fg); }

.title {
  font-weight: 700;
  letter-spacing: -0.02em;
}
.title span { color: var(--accent); }

.topbar .right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

main {
  flex: 1;
  min-height: 0;
  display: block;
  position: relative; /* positioning context for the overlays below */
}

canvas#game {
  display: block;
  width: 100%;
  height: 100%;
  background: #cfe0f0; /* snow, in case a frame is missed before first paint */
  touch-action: none; /* stop scroll/zoom while playing */
}

/* ---- Multiplayer + launch menu overlays ------------------------------------
   A full-bleed layer over the canvas that holds one centered panel at a time
   (menu / invite / lobby). Hidden entirely once a run starts. */
.ski-overlays {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background: rgba(12, 14, 24, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 5;
}
.ski-overlays[hidden] {
  display: none;
}

.ski-panel {
  width: min(420px, 100%);
  max-height: 100%;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.6rem clamp(1.1rem, 4vw, 1.9rem);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  text-align: center;
}
.ski-panel[hidden] {
  display: none;
}

.ski-logo {
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0.2rem 0 0.3rem;
}
.ski-logo span {
  color: var(--accent);
}
.ski-tagline {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.98rem;
}
.ski-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
}
.ski-sub {
  color: var(--muted);
  margin: 0 0 1.1rem;
  font-size: 0.92rem;
}

.ski-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.3rem;
}
.ski-btn {
  font: inherit;
  font-weight: 700;
  font-size: 1.02rem;
  cursor: pointer;
  padding: 0.8rem 1.2rem;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--btn);
  color: var(--fg);
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.ski-btn:hover:not(:disabled) {
  background: var(--btn-hover);
}
.ski-btn-primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}
.ski-btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}
.ski-btn-ghost {
  background: transparent;
  color: var(--muted);
}
.ski-btn-ghost:hover:not(:disabled) {
  background: var(--btn);
  color: var(--fg);
}
.ski-btn:disabled {
  opacity: 0.5;
  cursor: default;
}
.ski-btn.is-ready {
  background: #1f9d55;
  border-color: transparent;
  color: #fff;
}

.ski-note {
  min-height: 1.2em;
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}
.ski-note.is-error {
  color: #ff8f7a;
}

/* Friend checklist in the invite panel. */
.ski-friends {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 40vh;
  overflow-y: auto;
  margin-bottom: 1.1rem;
  text-align: left;
}
.ski-friend {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
}
.ski-friend:hover {
  background: var(--btn);
}
.ski-friend input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  flex: none;
}
.ski-friend .name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ski-friends-empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.8rem 0;
}

/* Lobby / in-game players list. */
.ski-players {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
}
.ski-players li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.ski-players .pname {
  font-weight: 600;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ski-players .pname .you {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  margin-left: 0.35rem;
}
.ski-players .pstatus {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.12rem 0.5rem;
  border-radius: 6px;
  white-space: nowrap;
}
.ski-players .pstatus.ready,
.ski-players .pstatus.playing {
  color: #7ee2a8;
  background: rgba(31, 157, 85, 0.18);
}
.ski-players .pstatus.waiting,
.ski-players .pstatus.invited {
  color: var(--muted);
  background: var(--btn);
}
.ski-players .pstatus.dead,
.ski-players .pstatus.left {
  color: #ff9a8a;
  background: rgba(200, 60, 50, 0.16);
}

/* In-game players list: a compact card pinned top-left, never eats input. */
.mp-hud {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 4;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0.6rem;
  border-radius: 10px;
  background: rgba(16, 20, 32, 0.42);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  font-size: 0.8rem;
  max-width: 60vw;
}
.mp-hud[hidden] {
  display: none;
}
.mp-hud .row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: #eef4ff;
  line-height: 1.25;
}
.mp-hud .row .nm {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 8.5rem;
}
.mp-hud .row .sc {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  font-family: "Courier New", monospace;
}
.mp-hud .row.dead {
  opacity: 0.6;
}
.mp-hud .row.dead .nm {
  text-decoration: line-through;
}
.mp-hud .row.self .nm {
  color: #ffd166;
}

@media (max-width: 680px) {
  .back-label { display: none; }
  .topbar { gap: 0.6rem; padding: 0.7rem 0.9rem; }
  .topbar .left { gap: 0.7rem; }
}