:root {
  color-scheme: dark;
  --accent: #0a84ff;
  --label: #f5f5f7;
  --secondary: #8e8e93;
  --tertiary: #636366;
  --field: #1c1c1e;
  --danger: #ff453a;
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: #000; color: var(--secondary); }
button, input { font: inherit; }

/* Connexion */

.login {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  text-align: center;
  animation: fade-in .3s ease-out;
}
.login img { margin-bottom: 20px; }
.login h1 { margin: 0; color: var(--label); font-size: 28px; font-weight: 600; letter-spacing: -.01em; }
.login > p { margin: 8px 0 32px; }
.login form { display: grid; gap: 12px; width: min(320px, 100%); }

input {
  height: 44px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--field);
  color: var(--label);
  outline: none;
  transition: border-color .15s;
}
input:focus { border-color: var(--accent); }

.login button {
  height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s;
}
.login button:hover { opacity: .9; }
.login button:active { opacity: .75; }
.error { min-height: 1.4em; margin: 0; color: var(--danger); font-size: 13px; }

/* Spectateur */

.viewer { overflow: hidden; }
.viewer.idle { cursor: none; }

/* margin: auto centre l'image tout en laissant défiler une image plus grande que la fenêtre. */
.stage {
  position: fixed;
  inset: 0;
  display: flex;
  overflow: auto;
  animation: fade-in .25s ease-out;
}
/* Le cadre prend la taille de l'image une fois pivotée ; viewer.js calcule les dimensions. */
.frame { position: relative; flex: none; margin: auto; }
canvas {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: transform .25s ease;
}

/* Choix de la taille de l'image : discret, et masqué dès que la souris ne bouge plus. */
.toolbar {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  background: rgba(28, 28, 30, .72);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  transition: opacity .3s;
}
.segmented { display: flex; gap: 2px; }
.separator { width: 1px; margin: 6px 3px; background: rgba(255, 255, 255, .12); }
.toolbar button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .15s, color .15s;
}
.toolbar button:hover { color: var(--label); }
.toolbar button[aria-checked="true"],
.toolbar button[aria-pressed="true"] { background: rgba(255, 255, 255, .14); color: var(--label); }
.toolbar button:focus-visible,
.corner button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Même habillage que la barre, seul dans le coin inférieur gauche. */
.corner {
  position: fixed;
  left: 16px;
  bottom: 16px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 10px;
  background: rgba(28, 28, 30, .72);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  transition: opacity .3s;
}
.corner button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--secondary);
  cursor: pointer;
  transition: color .15s;
}
.corner button:hover { color: var(--label); }
.viewer.idle .toolbar,
.viewer.idle .corner { opacity: 0; pointer-events: none; }

.masked { margin: auto; color: var(--tertiary); font-size: 15px; }

/* Infobulles : sous l'élément, après un court délai pour ne pas clignoter au passage de la souris. */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 10;
  top: calc(100% + 8px);
  left: 50%;
  padding: 5px 9px;
  border-radius: 7px;
  background: rgba(58, 58, 60, .96);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .4);
  color: var(--label);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -3px);
  transition: opacity .15s, transform .15s;
}
[data-tooltip]:hover::after,
[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
  transition-delay: .4s;
}
/* Barre collée au bord droit : infobulles alignées à droite pour rester dans la fenêtre. */
.toolbar [data-tooltip]::after { left: auto; right: 0; transform: translateY(-3px); }
.toolbar [data-tooltip]:hover::after,
.toolbar [data-tooltip]:focus-visible::after { transform: none; }
.tooltip-above::after { top: auto; bottom: calc(100% + 8px); }
/* Coin inférieur gauche : au-dessus du bouton, alignée à gauche. */
.corner [data-tooltip]::after { top: auto; bottom: calc(100% + 8px); left: 0; transform: translateY(3px); }
.corner [data-tooltip]:hover::after,
.corner [data-tooltip]:focus-visible::after { transform: none; }

.status {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  text-align: center;
  animation: fade-in .3s ease-out;
}
.status svg { color: var(--secondary); }
.status.waiting svg { animation: pulse 1.6s ease-in-out infinite; }
.status p { margin: 0; font-size: 17px; }
.status form { position: absolute; bottom: 24px; }

.link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: none;
  color: var(--tertiary);
  font-size: 13px;
  cursor: pointer;
  transition: color .15s;
}
.link:hover { color: var(--secondary); }

.info {
  position: fixed;
  left: 70px;   /* à droite du bouton de déconnexion */
  bottom: 24px;
  color: var(--tertiary);
  font: 12px ui-monospace, SFMono-Regular, Menlo, monospace;
}

@keyframes fade-in { from { opacity: 0; } }
@keyframes pulse { 50% { opacity: .35; } }

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