:root {
  --bg: #07090f;
  --panel: #10141f;
  --line: #232a3d;
  --text: #e8ecf5;
  --dim: #8b93a7;
  --accent: #4cc9f0;
  --danger: #f72585;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

canvas { display: block; }

.hidden { display: none !important; }

/* ------------------------------------------------------------------ overlays */

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 40%, #131a2b 0%, #07090f 70%);
  z-index: 20;
  padding: 20px;
}

.panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .6);
}

.panel.small { text-align: center; width: min(300px, 100%); }

h1 {
  font-size: 30px;
  letter-spacing: -.5px;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 { font-size: 22px; color: var(--danger); margin-bottom: 8px; }

.sub { color: var(--dim); font-size: 14px; margin: 6px 0 22px; }

label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--dim);
  margin-bottom: 8px;
}

input[type=text] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0a0d16;
  color: var(--text);
  font-size: 16px;
  outline: none;
}

input[type=text]:focus { border-color: var(--accent); }

/* Champ du code de session : gros, espacé, lisible dans le casque */
.code-input {
  text-align: center;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 14px;
  text-indent: 14px;   /* compense l'espacement sur le dernier caractère */
  text-transform: uppercase;
  padding: 16px 14px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

.code-input::placeholder { letter-spacing: 8px; opacity: .25; font-weight: 400; }

button.primary, button.ghost {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .1s, border-color .15s, background .15s;
}

button.primary { background: var(--accent); color: #04121a; margin-top: 12px; }
button.primary:hover { background: #6fd8fa; }

button.ghost { background: transparent; border-color: var(--line); color: var(--text); }
button.ghost:hover { border-color: var(--accent); }

button.primary:active, button.ghost:active { transform: scale(.985); }

.sep {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--dim);
  font-size: 12px;
}

.sep::before, .sep::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.back {
  background: none;
  border: none;
  color: var(--dim);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  padding: 0 0 14px;
}

.back:hover { color: var(--accent); }

.code-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #0a0d16;
  border: 1px solid var(--line);
  margin-bottom: 10px;
}

.code-badge-cap {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
}

.code-badge strong {
  font-size: 26px;
  letter-spacing: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--accent);
  flex: 1;
}

.code-badge button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--dim);
  border-radius: 8px;
  padding: 7px 11px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.code-badge button:hover { border-color: var(--accent); color: var(--accent); }

.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0 16px; }

.mode {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0a0d16;
  color: var(--text);
  cursor: pointer;
  transition: border-color .15s, transform .1s;
  font: inherit;
  text-align: left;
}

.mode:hover:not(:disabled) { border-color: var(--accent); }
.mode:active:not(:disabled) { transform: scale(.98); }
.mode:disabled { opacity: .4; cursor: not-allowed; }

.mode-title { font-size: 15px; font-weight: 600; }
.mode-sub { font-size: 12px; color: var(--dim); }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
  color: var(--dim);
  cursor: pointer;
  margin-bottom: 4px;
}

.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.status { font-size: 13px; color: var(--danger); min-height: 18px; margin-top: 10px; }

/* ---------------------------------------------------------------------- HUD */

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }

.hud-left, .hud-right, .hud-center {
  position: absolute;
  bottom: 24px;
  font-variant-numeric: tabular-nums;
}

.hud-left { left: 24px; display: flex; align-items: center; gap: 12px; }

.hp-wrap {
  width: 190px; height: 12px;
  background: #1a1f2e;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
}

#hp-bar {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #4ade80, #22d3ee);
  transition: width .18s ease-out;
}

#hp-text { font-size: 20px; font-weight: 700; min-width: 42px; }

.hud-right { right: 24px; text-align: right; }
#score { font-size: 30px; font-weight: 700; color: var(--accent); }
.hud-cap { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); }

.hud-center { left: 50%; transform: translateX(-50%); text-align: center; bottom: auto; top: 24px; }
#wave-label { font-size: 22px; font-weight: 700; letter-spacing: 1px; }
#wave-sub { font-size: 13px; color: var(--dim); }

#roster {
  position: absolute;
  top: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px;
}

.roster-row {
  display: flex; align-items: center; gap: 8px;
  background: rgba(16, 20, 31, .75);
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.roster-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.roster-name { flex: 1; }
.roster-score { color: var(--dim); font-variant-numeric: tabular-nums; }
.roster-row.down { opacity: .45; }
.roster-row.speaking { border-color: var(--accent); }

#crosshair {
  position: absolute;
  left: 50%; top: 50%;
  width: 6px; height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, .45);
}

#toast {
  position: absolute;
  left: 50%; top: 46%;
  transform: translateX(-50%);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity .3s;
  text-shadow: 0 3px 18px rgba(0, 0, 0, .8);
}

#toast.show { opacity: 1; }

#btn-mute {
  position: absolute;
  left: 24px; top: 24px;
  pointer-events: auto;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(16, 20, 31, .85);
  font-size: 18px;
  cursor: pointer;
}

#btn-mute.muted { opacity: .45; border-color: var(--danger); }

@media (max-width: 620px) {
  .hud-left { left: 14px; bottom: 14px; }
  .hp-wrap { width: 110px; }
  .hud-right { right: 14px; bottom: 14px; }
  #roster { display: none; }
}