/* Space Pong — interface.
   Police pixel : nette aux multiples de 10px (1 pixel de glyphe = 1/10 em). */

@font-face {
  font-family: 'Space Pixel';
  src: url('../fonts/spacepixel.woff') format('woff');
  font-display: block;
}

:root {
  --ink: #05010f;
  --night: #0b0624;
  --deep: #160a3a;
  --line: #2a1650;
  --violet: #5b2bb0;
  --lilac: #b48cff;
  --text: #ece4ff;
  --muted: #9d8cc9;
  --you: #2ee6ff;
  --you-light: #b8f8ff;
  --them: #ff3d8b;
  --them-light: #ffb3d4;
  --gold: #ffd93d;
  --orange: #ff9f1c;
  --red: #ff2e4d;
  --mint: #3dffa8;
  --px: 4px;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #060118;
  color: var(--text);
  font-family: 'Space Pixel', ui-monospace, monospace;
  font-size: 20px;
  line-height: 1.5;
  -webkit-font-smoothing: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

/* --- Canvas ------------------------------------------------------------------------------- */
#game {
  position: fixed;
  display: block;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  image-rendering: pixelated;
  touch-action: none;
  z-index: 0;
}
/* Lueur néon : canvas basse résolution agrandi en douceur, ajouté en mode « screen » */
#glow {
  --blur: 4px;
  position: fixed;
  display: block;
  z-index: 0;
  pointer-events: none;
  image-rendering: auto;
  mix-blend-mode: screen;
  filter: blur(var(--blur)) saturate(1.3);
  opacity: 0.85;
}
#glow[hidden] {
  display: none;
}
body.in-game #game {
  cursor: url('../img/cursor.png') 12 12, crosshair;
}

/* --- Écrans ------------------------------------------------------------------------------- */
#ui {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  overscroll-behavior: contain;
  padding-block: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-bottom, 0px));
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  pointer-events: none;
  overflow-y: auto;
}

.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 100%;
  pointer-events: auto;
}
.screen.active {
  display: flex;
  margin: auto; /* centrage « sûr » : défile au lieu de couper si l'écran est trop petit */
  animation: screen-in 220ms steps(4) both;
}

@keyframes screen-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* Fenêtre « pixel » à coins crantés */
.panel {
  min-width: min(520px, 100%);
  max-width: min(620px, 100%);
  padding: 28px 32px;
  background:
    linear-gradient(180deg, rgba(46, 230, 255, 0.06), rgba(255, 61, 139, 0.05)),
    rgba(9, 4, 30, 0.9);
  border: var(--px) solid var(--line);
  box-shadow: inset 0 var(--px) 0 rgba(180, 140, 255, 0.18), inset 0 calc(var(--px) * -1) 0 rgba(0, 0, 0, 0.35);
  clip-path: polygon(0 8px, 4px 8px, 4px 4px, 8px 4px, 8px 0, calc(100% - 8px) 0, calc(100% - 8px) 4px, calc(100% - 4px) 4px, calc(100% - 4px) 8px, 100% 8px, 100% calc(100% - 8px), calc(100% - 4px) calc(100% - 8px), calc(100% - 4px) calc(100% - 4px), calc(100% - 8px) calc(100% - 4px), calc(100% - 8px) 100%, 8px 100%, 8px calc(100% - 4px), 4px calc(100% - 4px), 4px calc(100% - 8px), 0 calc(100% - 8px));
}
.panel.wide {
  max-width: min(860px, 100%);
  padding: 20px 28px;
  gap: 12px;
}

h2 {
  margin: 0;
  font-size: 40px;
  font-weight: normal;
  line-height: 1.2;
  color: var(--gold);
  text-shadow: 4px 4px 0 var(--ink);
  text-align: center;
}

/* --- Titre ---------------------------------------------------------------------------------- */
.logo {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 100px;
  font-weight: normal;
  line-height: 0.95;
  letter-spacing: 10px;
  background: linear-gradient(180deg, #ffffff 0 14%, var(--you-light) 14% 30%, var(--you) 30% 50%, var(--lilac) 50% 64%, var(--them) 64% 86%, #c2307f 86%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 6px 0 #3a1670) drop-shadow(0 6px 0 var(--ink)) drop-shadow(0 0 22px rgba(255, 61, 139, 0.45));
  animation: float 2.4s steps(6) infinite alternate;
}
.logo span:last-child {
  background: linear-gradient(180deg, #ffffff 0 14%, var(--them-light) 14% 30%, var(--them) 30% 56%, #c2307f 56% 78%, #7a1f7a 78%);
  -webkit-background-clip: text;
  background-clip: text;
}

@keyframes float {
  from { transform: translateY(-4px); }
  to { transform: translateY(4px); }
}

.tagline {
  margin: 0 0 8px;
  color: var(--you-light);
  text-shadow: 2px 2px 0 var(--ink);
  text-align: center;
}

/* --- Menus façon console ---------------------------------------------------------------- */
.menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  min-width: min(440px, 100%);
}
.menu button {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  padding: 4px 12px 4px 40px;
  font: inherit;
  font-size: 30px;
  line-height: 1.4;
  text-align: left;
  color: var(--text);
  background: none;
  border: 0;
  text-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
  transition: transform 100ms steps(2), color 100ms steps(2);
}
.menu button small {
  font-size: 20px;
  color: var(--muted);
  margin-left: 8px;
}
.menu button::before {
  content: '▶';
  position: absolute;
  left: 8px;
  top: 4px;
  color: var(--gold);
  opacity: 0;
}
.menu button:hover,
.menu button:focus-visible {
  color: var(--you);
  transform: translateX(12px);
  outline: none;
}
.menu button:hover::before,
.menu button:focus-visible::before {
  opacity: 1;
  animation: nudge 500ms steps(2) infinite;
}
.menu button:focus-visible {
  background: linear-gradient(90deg, rgba(46, 230, 255, 0.14), transparent 80%);
}
.menu button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

@keyframes nudge {
  from { transform: translateX(0); }
  to { transform: translateX(4px); }
}

/* --- Éléments de formulaire --------------------------------------------------------------- */
.btn,
.seg button {
  font: inherit;
  font-size: 20px;
  padding: 6px 16px;
  color: var(--ink);
  background: var(--you);
  border: 0;
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.3), 0 4px 0 var(--ink);
  cursor: pointer;
}
.btn:hover {
  background: var(--you-light);
}
.btn:active,
.seg button:active {
  transform: translateY(2px);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.3), 0 2px 0 var(--ink);
}

:focus-visible {
  outline: 4px solid var(--gold);
  outline-offset: 2px;
}

input[type='text'] {
  font: inherit;
  font-size: 20px;
  width: 100%;
  padding: 6px 10px;
  color: #fff;
  background: var(--night);
  border: 4px solid var(--violet);
  border-radius: 0;
  -webkit-user-select: text;
  user-select: text;
}
input[type='text']:focus {
  border-color: var(--you);
  outline: none;
}
input::placeholder {
  color: #6c5a9c;
}

.join {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  margin: 4px 0;
  padding-left: 40px;
}
.join label {
  font-size: 20px;
  color: var(--muted);
}
.join .row {
  display: flex;
  gap: 8px;
}
#join-code {
  max-width: 220px;
  font-size: 30px;
  letter-spacing: 6px;
  text-transform: uppercase;
}

.form {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px 20px;
  width: 100%;
}
.form label,
.form .label {
  color: var(--muted);
}
.form .check {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  cursor: pointer;
}
.seg {
  display: flex;
  gap: 8px;
}
.seg button {
  flex: 1;
  color: var(--text);
  background: var(--deep);
}
.seg button[aria-pressed='true'] {
  color: var(--ink);
  background: var(--you);
}

input[type='checkbox'] {
  appearance: none;
  width: 24px;
  height: 24px;
  margin: 0;
  background: var(--night);
  border: 4px solid var(--violet);
  cursor: pointer;
}
input[type='checkbox']:checked {
  background: var(--you);
  box-shadow: inset 0 0 0 4px var(--night);
}

input[type='range'] {
  appearance: none;
  width: 100%;
  height: 24px;
  background: transparent;
  cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track {
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--violet) 0 12px, var(--line) 12px 16px);
}
input[type='range']::-moz-range-track {
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--violet) 0 12px, var(--line) 12px 16px);
}
input[type='range']::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 24px;
  margin-top: -8px;
  background: var(--gold);
  border: 0;
  border-radius: 0;
  box-shadow: inset 0 -4px 0 var(--orange);
}
input[type='range']::-moz-range-thumb {
  width: 16px;
  height: 24px;
  background: var(--gold);
  border: 0;
  border-radius: 0;
  box-shadow: inset 0 -4px 0 var(--orange);
}

/* --- Textes ----------------------------------------------------------------------------- */
.hint {
  margin: 0;
  color: var(--muted);
  text-align: center;
}
.hint strong {
  color: var(--you);
  font-weight: normal;
}
.small {
  font-size: 20px;
  opacity: 0.8;
}
.c-you { color: var(--you); font-weight: normal; }
.c-them { color: var(--them); font-weight: normal; }
.c-gold { color: var(--gold); font-weight: normal; }

.rules {
  margin: 0;
  padding: 0 0 0 36px;
  max-width: 760px;
  line-height: 1.35;
}
.rules li {
  margin: 0 0 6px;
}
.rules li::marker {
  color: var(--gold);
}
.keys {
  display: grid;
  grid-template-columns: auto auto auto auto;
  gap: 2px 14px;
  width: 100%;
  margin: 0;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.25);
}
.keys dt {
  color: var(--you);
}
.keys dd {
  margin: 0;
  color: var(--muted);
}

/* --- Attente / salle privée --------------------------------------------------------------- */
.loader {
  display: flex;
  gap: 8px;
  height: 16px;
}
.loader i {
  width: 16px;
  height: 16px;
  background: var(--you);
  animation: blink 900ms steps(1) infinite;
}
.loader i:nth-child(2) { animation-delay: 150ms; background: var(--lilac); }
.loader i:nth-child(3) { animation-delay: 300ms; background: var(--them); }
.loader i:nth-child(4) { animation-delay: 450ms; background: var(--gold); }

@keyframes blink {
  0%, 60% { opacity: 1; transform: translateY(0); }
  30% { transform: translateY(-6px); }
  61%, 100% { opacity: 0.25; }
}

.room {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.room[hidden] {
  display: none;
}
.code {
  margin: 0;
  padding: 6px 20px;
  font-size: 60px;
  line-height: 1.2;
  letter-spacing: 12px;
  color: var(--gold);
  background: var(--night);
  border: 4px solid var(--orange);
  text-shadow: 4px 4px 0 var(--ink);
  -webkit-user-select: all;
  user-select: all;
}
.link-text {
  max-width: 100%;
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

/* --- Fin de partie ---------------------------------------------------------------------- */
.result {
  font-size: 60px;
}
.result.win {
  color: var(--you);
  text-shadow: 4px 4px 0 #0b6fb0, 8px 8px 0 var(--ink);
}
.result.lose {
  color: var(--them);
  text-shadow: 4px 4px 0 #a3125a, 8px 8px 0 var(--ink);
}
.final {
  margin: 0;
  font-size: 40px;
  color: var(--text);
}

/* --- Pendant la partie : boutons alignés sur la grille du canvas (--s = taille d'un pixel) - */
#hud {
  --s: 4;
  position: fixed;
  z-index: 2;
  display: flex;
  gap: calc(4px * var(--s));
}
#hud[hidden] {
  display: none;
}
#hud .icon {
  width: calc(16px * var(--s));
  height: calc(16px * var(--s));
  padding: 0;
  font: inherit;
  font-size: calc(10px * var(--s));
  line-height: calc(14px * var(--s));
  text-align: center;
  color: var(--muted);
  background: rgba(9, 4, 30, 0.85);
  border: calc(1px * var(--s)) solid var(--line);
  cursor: pointer;
}
#hud .icon:hover,
#hud .icon:focus-visible {
  color: var(--you);
  border-color: var(--violet);
}
#hud .icon[aria-pressed='true'] {
  color: var(--them);
}

#toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 3;
  max-width: min(640px, calc(100% - 24px));
  padding: 10px 18px;
  font-size: 20px;
  text-align: center;
  color: var(--text);
  background: rgba(9, 4, 30, 0.95);
  border: 4px solid var(--violet);
  box-shadow: 0 4px 0 var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 12px);
  transition: opacity 160ms steps(4), transform 160ms steps(4), visibility 0s linear 160ms;
  pointer-events: none;
}
#toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity 160ms steps(4), transform 160ms steps(4);
}
#toast.warn {
  border-color: var(--them);
}
body.in-game #toast {
  bottom: auto;
  top: 11%;
}

.noscript {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  color: var(--text);
}

/* --- Écrans compacts --------------------------------------------------------------------- */
@media (max-height: 640px), (max-width: 700px) {
  .logo { font-size: 60px; letter-spacing: 6px; }
  h2 { font-size: 30px; }
  .menu button { font-size: 20px; padding-left: 32px; }
  .menu button::before { top: 2px; }
  .panel { padding: 18px 18px; min-width: 0; }
  .code { font-size: 40px; letter-spacing: 8px; }
  .result { font-size: 40px; }
  .final { font-size: 30px; }
  .join { padding-left: 32px; }
  #join-code { font-size: 20px; }
  .screen { gap: 10px; }
}
@media (max-width: 760px) {
  .keys { grid-template-columns: auto 1fr; }
}
@media (max-height: 420px) {
  .logo { font-size: 40px; }
  .tagline { display: none; }
  .rules li { margin-bottom: 2px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}