:root {
  --accent: #6ee7ff;
  --accent2: #ffd166;
  --bg-dark: #0a0e17;
  --panel: rgba(12, 16, 26, 0.88);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #eef2fb;
  user-select: none;
}

#gameCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
}

/* ===================== Écrans ===================== */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}
.screen.overlay {
  background: rgba(4, 6, 12, 0.72);
  backdrop-filter: blur(3px);
}
.screen[hidden] { display: none; }

.title-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(110,231,255,0.10), transparent 60%),
    linear-gradient(180deg, #0a0e17 0%, #121a2c 55%, #1a2740 100%);
  z-index: -1;
}

.title-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 24px;
  max-width: 560px;
  width: 100%;
  text-align: center;
}

.game-title {
  font-size: 4.2rem;
  letter-spacing: 0.18em;
  margin: 0;
  font-weight: 800;
}
.game-title span {
  background: linear-gradient(180deg, #fff 0%, var(--accent) 60%, #2b6ea8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 22px rgba(110,231,255,0.35));
}
.game-subtitle {
  margin: -10px 0 8px;
  color: #a9b6d0;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.run-label {
  width: 100%;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7c8bb0;
  text-align: left;
}
.diff-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  width: 100%;
}
.diff-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 4px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  color: #dfe6f5;
  cursor: pointer;
  transition: all 0.15s ease;
  min-width: 0;
}
.diff-btn:hover { background: rgba(255,255,255,0.08); }
.diff-btn.selected {
  border-color: var(--accent);
  background: rgba(110,231,255,0.10);
  box-shadow: 0 0 18px rgba(110,231,255,0.15);
}
.diff-num {
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--diff-color, var(--accent));
  text-shadow: 0 0 8px var(--diff-color, transparent);
}
.diff-desc {
  font-size: 0.72rem; color: #92a0bd; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; max-width: 100%;
}

.btn-play {
  width: 100%;
  padding: 14px 24px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border: none;
  border-radius: 12px;
  background: linear-gradient(180deg, #7fefff, #3fb7e8);
  color: #062633;
  cursor: pointer;
  box-shadow: 0 6px 22px rgba(110,231,255,0.35);
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}
.btn-play:hover { transform: translateY(-1px); box-shadow: 0 8px 26px rgba(110,231,255,0.5); }
.btn-play:active { transform: translateY(1px); }

.title-row { display: flex; gap: 10px; width: 100%; }
.btn-ghost {
  flex: 1;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  color: #c4cee3;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); color: #fff; }

.diff-best {
  font-size: 0.72rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent2);
  margin-top: 2px;
}

.title-levels {
  width: 100%;
  text-align: left;
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.title-levels-label {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8fa0c4;
  margin-bottom: 8px;
}
.title-levels-list { display: flex; flex-direction: column; gap: 6px; max-height: 160px; overflow-y: auto; }
.title-level-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  cursor: grab;
}
.title-level-row:active { cursor: grabbing; }
.title-level-name {
  font-size: 0.85rem; color: #dfe6f5; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; flex: 1 1 auto; min-width: 0;
}
.title-level-best { font-size: 0.72rem; color: #7c8bb0; flex-shrink: 0; }
.title-level-actions { display: flex; gap: 6px; flex-shrink: 0; }
.title-level-actions button {
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 0.74rem;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}
.title-level-play { background: rgba(110,231,255,0.18); color: #eafcff; }
.title-level-play:hover { background: rgba(110,231,255,0.3); }
.title-level-edit { background: rgba(255,255,255,0.08); color: #dfe6f5; }
.title-level-edit:hover { background: rgba(255,255,255,0.16); }
.title-level-delete { background: rgba(255,110,126,0.14); color: #ffb3ba; }
.title-level-delete:hover { background: rgba(255,110,126,0.28); }

/* Bouton "maintenir pour confirmer" (voir AS.Util.holdToConfirm) : un
   remplissage progressif pendant l'appui, pas de popup navigateur. */
.hold-confirm { position: relative; overflow: hidden; }
.hold-confirm::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.4);
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}
.hold-confirm.holding::before {
  transform: scaleX(1);
  transition: transform var(--hold-ms, 700ms) linear;
}

/* ===================== Panneaux ===================== */
.panel {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 480px;
  width: 92%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.panel.center { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.panel h2 { margin: 0 0 6px; font-size: 1.5rem; }

.controls-note { font-size: 0.8rem; color: #9aa6c2; margin: 6px 0 16px; text-align: left; }
.controls-actions { display: flex; gap: 10px; margin-top: 16px; }

.keybind-list { display: flex; flex-direction: column; gap: 8px; }
.settings-subhead {
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: #8fa0c4; margin: 18px 0 8px; padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.settings-row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 4px; margin-bottom: 4px;
}
.settings-row label { font-size: 0.88rem; color: #dfe6f5; }
.settings-row select, .settings-row input[type=number] {
  padding: 6px 10px; border-radius: 8px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.2);
  color: #eef2fb; font-family: inherit; font-size: 0.85rem;
}
.settings-row input[type=number] { width: 6.5em; text-align: right; }
.settings-row label { flex: 1 1 auto; min-width: 0; }

.skin-picker {
  display: flex; gap: 10px; padding: 10px 4px 4px;
  border-top: 1px solid rgba(255,255,255,0.08); flex-wrap: wrap;
}
.skin-swatch {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: transparent; border: none; cursor: pointer; padding: 2px;
}
.skin-swatch-dot {
  width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.18);
}
.skin-swatch.selected .skin-swatch-dot {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(110,231,255,0.5);
}
.skin-swatch-label { font-size: 0.68rem; color: #9aa6c2; }
.skin-swatch.selected .skin-swatch-label { color: #dfe6f5; }

.volume-row {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 4px 4px; margin-top: 6px; border-top: 1px solid rgba(255,255,255,0.08);
}
.volume-row label { font-size: 0.88rem; color: #dfe6f5; flex-shrink: 0; }
.volume-row input[type=range] {
  flex: 1 1 auto; accent-color: var(--accent); cursor: pointer;
}
.volume-row span { font-size: 0.8rem; color: #9aa6c2; min-width: 3em; text-align: right; flex-shrink: 0; }
.keybind-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 8px 4px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.keybind-label { font-size: 0.88rem; color: #dfe6f5; text-align: left; }
.keybind-btn {
  min-width: 84px;
  padding: 7px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: #eafcff;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.keybind-btn:hover { background: rgba(255,255,255,0.12); }
.keybind-btn.listening {
  border-color: var(--accent);
  color: var(--accent);
  animation: pulse 1s ease infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }

.result-time { font-size: 2.2rem; font-weight: 800; color: var(--accent); }
.finish-teaser { color: #a9b6d0; font-size: 0.9rem; font-style: italic; max-width: 380px; }

/* ===================== HUD ===================== */
.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  font-variant-numeric: tabular-nums;
}

.hud-top-left {
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.altitude { min-width: 180px; }
.altitude-label { font-size: 0.65rem; letter-spacing: 0.15em; color: #8fa0c4; }
.altitude-value { font-size: 1.5rem; font-weight: 800; text-shadow: 0 2px 8px rgba(0,0,0,0.6); }
.altitude-unit { font-size: 0.9rem; opacity: 0.8; }
.altitude-total { font-size: 0.85rem; color: #93a3c4; font-weight: 500; }
.altitude-bar {
  width: 180px; height: 5px; border-radius: 3px;
  background: rgba(255,255,255,0.15); margin-top: 4px; overflow: hidden;
}
.altitude-bar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.2s ease;
}

.objective {
  font-size: 0.8rem;
  color: #d6dcef;
  background: rgba(10,14,22,0.55);
  padding: 6px 12px;
  border-radius: 8px;
  border-left: 3px solid var(--accent);
  max-width: 260px;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.objective.show { opacity: 1; }

.hud-top-right {
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
.abilities { display: flex; gap: 8px; }
.ability-icon {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: rgba(110,231,255,0.14);
  border: 1px solid rgba(110,231,255,0.5);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  color: #eafcff;
  text-shadow: 0 0 6px rgba(110,231,255,0.6);
  transition: transform 0.2s ease;
}
.ability-icon.locked {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.12);
  color: transparent;
}
.ability-icon.just-unlocked { animation: pop 0.5s ease; }
@keyframes pop { 0% { transform: scale(1);} 40% { transform: scale(1.4);} 100% { transform: scale(1);} }

.hud-bottom-left {
  position: absolute;
  bottom: 22px;
  left: 18px;
}
.speedbar {
  width: 140px; height: 6px; border-radius: 3px;
  background: rgba(255,255,255,0.14); overflow: hidden;
}
.speedbar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, #6ee7a0, #ffd166, #ff6e7a);
}
.zone-timer { text-align: right; }
.zone-timer-label { font-size: 0.65rem; letter-spacing: 0.15em; color: #8fa0c4; }
.zone-timer-value {
  font-size: 1.3rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

.hud-center-top {
  position: absolute;
  top: 90px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.toast {
  background: rgba(10,14,22,0.75);
  border: 1px solid rgba(110,231,255,0.4);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #eafcff;
  box-shadow: 0 0 20px rgba(110,231,255,0.15);
  animation: toastIn 0.35s ease, toastOut 0.4s ease 2.6s forwards;
}
@keyframes toastIn { from { opacity:0; transform: translateY(-10px);} to { opacity:1; transform: translateY(0);} }
@keyframes toastOut { to { opacity: 0; transform: translateY(-8px); } }

/* ===================== Éditeur de niveaux ===================== */
.editor-ui {
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
}
.editor-panel {
  position: absolute;
  top: 0; right: 0;
  height: 100%;
  width: 300px;
  max-width: 88vw;
  background: rgba(10, 14, 22, 0.88);
  border-left: 1px solid rgba(255,255,255,0.1);
  padding: 20px;
  overflow-y: auto;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.editor-panel h2 { margin: 0; font-size: 1.2rem; }
.editor-hint { font-size: 0.72rem; color: #93a3c4; line-height: 1.5; margin: 0; }
.editor-tool-group { display: flex; gap: 8px; margin-bottom: 8px; }
.editor-tool-group[hidden] { display: none; }
.editor-tool-btn { flex: 1; padding: 8px; font-size: 0.8rem; }
.editor-tool-btn.selected { border-color: var(--accent); background: rgba(110,231,255,0.14); color: #fff; }
.editor-speed-control { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.editor-speed-control[hidden] { display: none; }
.editor-speed-control label { font-size: 0.75rem; color: #c4cee3; }
.editor-speed-control input[type=range] { width: 100%; accent-color: var(--accent); }
.editor-section {
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 10px; border-top: 1px solid rgba(255,255,255,0.08);
}
.editor-section label { font-size: 0.7rem; letter-spacing: 0.08em; color: #8fa0c4; text-transform: uppercase; }
.editor-section input[type=text], .editor-section select {
  width: 100%; padding: 8px 10px; border-radius: 8px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.2);
  color: #eef2fb; font-family: inherit; font-size: 0.85rem;
}
.editor-row { display: flex; gap: 8px; }
.editor-row .btn-ghost, .editor-row .btn-play { flex: 1; }
.editor-actions { display: flex; flex-direction: column; gap: 8px; }
.editor-testfrom-label { font-size: 0.7rem; letter-spacing: 0.08em; color: #8fa0c4; text-transform: uppercase; margin-bottom: -4px; }
.editor-section[hidden] { display: none; }

.editor-palette { display: flex; flex-direction: column; gap: 10px; }
.editor-palette-section { display: flex; flex-direction: column; gap: 6px; }
.editor-palette-heading {
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: #7c8bb0;
}
.editor-palette-group { display: flex; flex-wrap: wrap; gap: 6px; }
.editor-palette-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 8px;
  color: #dfe6f5;
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
}
.editor-palette-btn:hover { background: rgba(255,255,255,0.1); }
.editor-palette-btn.selected { border-color: var(--accent); background: rgba(110,231,255,0.14); }
.editor-palette-btn .swatch {
  width: 12px; height: 12px; border-radius: 3px;
  background: var(--swatch, #9c9484);
  display: inline-block;
}

.editor-analysis-line { font-size: 0.82rem; color: #dfe6f5; margin: 2px 0; }
.editor-analysis-badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; margin-left: 6px;
}
.editor-analysis-badge.diff-Facile { background: rgba(93,242,200,0.18); color: #5df2c8; }
.editor-analysis-badge.diff-Modéré { background: rgba(255,209,102,0.18); color: #ffd166; }
.editor-analysis-badge.diff-Difficile { background: rgba(255,138,92,0.18); color: #ff8a5c; }
.editor-analysis-badge.diff-Extrême { background: rgba(255,110,160,0.18); color: #ff6ea0; }
.editor-analysis-impossible { color: #ff6e6e; font-size: 0.82rem; line-height: 1.4; }

::selection { background: rgba(110,231,255,0.3); }

/* aucun texte sélectionnable (les champs de saisie restent utilisables) */
body { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
input, textarea, select, [contenteditable] { -webkit-user-select: text; user-select: text; }

/* ---- Parties générées et défis ------------------------------------------- */
.seed-input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 10px;
  color: #dfe6f5;
  font: inherit;
  font-size: 0.85rem;
  text-align: center;
  outline: none;
}
.seed-input:focus { border-color: var(--accent); }
.seed-input::placeholder { color: #7c8bb0; }
.btn-challenges {
  width: 100%;
  padding: 12px;
  background: rgba(243,217,138,0.1);
  border: 1.5px solid rgba(243,217,138,0.5);
  border-radius: 12px;
  color: #f3d98a;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-challenges:hover { background: rgba(243,217,138,0.2); }
.challenges-panel { max-width: 620px; }
.challenge-group {
  margin: 14px 0 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7c8bb0;
}
.challenge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  margin-bottom: 5px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 10px;
}
.challenge-name { flex: 1 1 auto; min-width: 0; font-size: 0.9rem; color: #dfe6f5; font-weight: 600; }
.challenge-info { display: block; font-size: 0.72rem; font-weight: 400; color: #92a0bd; }
.challenge-best { font-size: 0.8rem; font-weight: 700; color: var(--accent2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.challenge-play {
  padding: 6px 14px;
  background: rgba(110,231,255,0.12);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: #dff7ff;
  font-weight: 700;
  cursor: pointer;
}
.challenge-play:hover { background: rgba(110,231,255,0.25); }
.pause-seed { margin: 4px 0 0; font-size: 0.78rem; color: #92a0bd; }

.altitude { background: rgba(10,16,28,0.55); border-radius: 10px; padding: 6px 10px; }
.altitude-total { color: #dfe6f5; }