/* Sala cooperativa (#coop-ui): pantalla DOM sobre el canvas con la estética del juego. */
:is(#coop-ui, #friends-ui) {
  --gold: #ffd23c;
  --gold-dim: rgba(255, 210, 60, .45);
  --panel: rgba(12, 9, 20, .95);
  --ink: #e8e8f0;
  --muted: #9a9aa6;
  --err: #ff6b6b;
  position: fixed;
  inset: 0;
  z-index: 40;
  font-family: 'Press Start 2P', 'Courier New', monospace;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}
#coop-ui[hidden], #friends-ui[hidden] { display: none; }

:is(#coop-ui, #friends-ui) .coop-backdrop {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  box-sizing: border-box;
  background: radial-gradient(ellipse at 50% 30%, rgba(40, 20, 80, .5), rgba(4, 3, 8, .82) 70%);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  animation: coop-fade .16s ease-out;
}
@keyframes coop-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes coop-pop { from { transform: translateY(10px) scale(.97); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes coop-spin { to { transform: rotate(360deg); } }

:is(#coop-ui, #friends-ui) .coop-panel {
  position: relative;
  width: min(640px, 100%);
  margin: auto;
  box-sizing: border-box;
  background: linear-gradient(180deg, rgba(255, 210, 60, .07) 0, rgba(255, 210, 60, 0) 64px), var(--panel);
  border: 2px solid rgba(255, 210, 60, .75);
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .06) inset, 0 12px 40px rgba(0, 0, 0, .8), 0 0 24px rgba(255, 210, 60, .12);
  padding: 0 22px 18px;
  animation: coop-pop .18s ease-out;
}
:is(#coop-ui, #friends-ui) .coop-header {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  border-bottom: 1px solid var(--gold-dim);
  margin: 0 -22px 14px;
  padding: 0 14px 0 22px;
}
:is(#coop-ui, #friends-ui) h1 {
  flex: 1;
  margin: 0;
  font-size: 15px;
  font-weight: normal;
  color: var(--gold);
  letter-spacing: 1px;
  text-shadow: 2px 2px 0 #2a1030, -1px -1px 0 #2a1030, 1px -1px 0 #2a1030, -1px 1px 0 #2a1030, 3px 4px 0 rgba(0, 0, 0, .6);
}
:is(#coop-ui, #friends-ui) .coop-x {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .04);
  color: var(--ink);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
:is(#coop-ui, #friends-ui) .coop-x:hover, :is(#coop-ui, #friends-ui) .coop-x:focus-visible { border-color: var(--gold); color: var(--gold); outline: none; }

:is(#coop-ui, #friends-ui) .coop-lead { margin: 0 0 14px; font-size: 9px; line-height: 1.8; color: #d8d8e4; }
:is(#coop-ui, #friends-ui) .coop-note { margin: 0 0 12px; font-size: 8px; line-height: 1.8; color: var(--muted); }
:is(#coop-ui, #friends-ui) .coop-note b { color: var(--gold); font-weight: normal; }
:is(#coop-ui, #friends-ui) .coop-center { text-align: center; }
:is(#coop-ui, #friends-ui) .coop-label { display: block; margin: 0 0 8px; font-size: 8px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
:is(#coop-ui, #friends-ui) .coop-err { margin: 12px 0 0; font-size: 8px; line-height: 1.8; color: var(--err); }
:is(#coop-ui, #friends-ui) .coop-status { margin: 14px 0 0; font-size: 8px; line-height: 1.8; color: #c8c8d4; text-align: center; min-height: 15px; }

:is(#coop-ui, #friends-ui) .coop-input {
  width: 100%;
  box-sizing: border-box;
  height: 42px;
  padding: 0 12px;
  margin: 0 0 14px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(0, 0, 0, .45);
  color: #fff;
  font: inherit;
  font-size: 11px;
  outline: none;
}
:is(#coop-ui, #friends-ui) .coop-input:focus { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(255, 210, 60, .2); }
:is(#coop-ui, #friends-ui) .coop-code-in { text-transform: uppercase; letter-spacing: 6px; font-size: 14px; text-align: center; margin: 0; }
:is(#coop-ui, #friends-ui) .coop-join { display: flex; gap: 10px; }
:is(#coop-ui, #friends-ui) .coop-join .coop-input { flex: 1; min-width: 0; }

:is(#coop-ui, #friends-ui) .coop-or { display: flex; align-items: center; gap: 10px; margin: 16px 0; font-size: 8px; color: var(--muted); }
:is(#coop-ui, #friends-ui) .coop-or::before, :is(#coop-ui, #friends-ui) .coop-or::after { content: ''; flex: 1; height: 1px; background: rgba(255, 255, 255, .14); }

:is(#coop-ui, #friends-ui) .coop-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 14px; }
:is(#coop-ui, #friends-ui) .coop-foot { margin-top: 18px; }
:is(#coop-ui, #friends-ui) .coop-btn {
  min-height: 42px;
  min-width: 140px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .05);
  color: var(--ink);
  font: inherit;
  font-size: 10px;
  cursor: pointer;
  transition: border-color .12s, background .12s, transform .08s;
}
:is(#coop-ui, #friends-ui) .coop-btn:hover:not([disabled]), :is(#coop-ui, #friends-ui) .coop-btn:focus-visible { border-color: var(--gold); outline: none; background: rgba(255, 210, 60, .08); }
:is(#coop-ui, #friends-ui) .coop-btn:active:not([disabled]) { transform: translateY(1px); }
:is(#coop-ui, #friends-ui) .coop-btn.is-primary { border-color: var(--gold); background: rgba(255, 210, 60, .16); color: #fff; }
:is(#coop-ui, #friends-ui) .coop-btn.is-primary:hover:not([disabled]) { background: rgba(255, 210, 60, .26); }
:is(#coop-ui, #friends-ui) .coop-btn.is-ghost { border-color: rgba(255, 255, 255, .14); color: #b8b8c8; }
:is(#coop-ui, #friends-ui) .coop-btn[disabled] { opacity: .4; cursor: not-allowed; }

/* Código de la sala */
:is(#coop-ui, #friends-ui) .coop-codebox { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-bottom: 14px; }
:is(#coop-ui, #friends-ui) .coop-code {
  font: inherit;
  font-size: 30px;
  letter-spacing: 10px;
  padding: 12px 10px 12px 20px;
  color: var(--gold);
  background: rgba(0, 0, 0, .4);
  border: 2px dashed rgba(255, 210, 60, .6);
  border-radius: 8px;
  cursor: pointer;
  text-shadow: 3px 3px 0 #2a1030;
}
:is(#coop-ui, #friends-ui) .coop-code:hover, :is(#coop-ui, #friends-ui) .coop-code:focus-visible { border-style: solid; outline: none; background: rgba(255, 210, 60, .08); }
:is(#coop-ui, #friends-ui) .coop-copied { font-size: 8px; color: var(--muted); min-height: 10px; }

/* Huecos de jugador */
:is(#coop-ui, #friends-ui) .coop-slots { list-style: none; margin: 0 0 16px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
@media (max-width: 560px) { #coop-ui .coop-slots { grid-template-columns: repeat(2, 1fr); } }
:is(#coop-ui, #friends-ui) .coop-slot {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 6px 8px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--pc) 55%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--pc) 14%, transparent), rgba(0, 0, 0, .25));
  min-width: 0;
}
:is(#coop-ui, #friends-ui) .coop-slot.is-me { box-shadow: 0 0 0 1px var(--pc), 0 0 14px color-mix(in srgb, var(--pc) 35%, transparent); }
:is(#coop-ui, #friends-ui) .coop-slot.is-empty { border-style: dashed; background: rgba(0, 0, 0, .2); opacity: .6; }
:is(#coop-ui, #friends-ui) .coop-pn { position: absolute; top: 5px; left: 6px; font-size: 7px; color: var(--pc); }
:is(#coop-ui, #friends-ui) .coop-pt-box { width: 64px; height: 64px; border-radius: 6px; background: rgba(0, 0, 0, .45); overflow: hidden; }
:is(#coop-ui, #friends-ui) .coop-pt { display: block; image-rendering: pixelated; }
:is(#coop-ui, #friends-ui) .coop-sname { font-size: 8px; color: #fff; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:is(#coop-ui, #friends-ui) .coop-badge { font-size: 7px; color: var(--muted); text-align: center; line-height: 1.5; }
:is(#coop-ui, #friends-ui) .coop-slot.is-ready .coop-badge { color: var(--pc); }

/* Selector de personaje */
:is(#coop-ui, #friends-ui) .coop-chars { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
@media (max-width: 560px) { #coop-ui .coop-chars { grid-template-columns: repeat(3, 1fr); } }
:is(#coop-ui, #friends-ui) .coop-char {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .03);
  color: #c8c8d4;
  font: inherit;
  font-size: 7px;
  cursor: pointer;
  min-width: 0;
}
:is(#coop-ui, #friends-ui) .coop-char canvas { border-radius: 4px; background: rgba(0, 0, 0, .4); }
:is(#coop-ui, #friends-ui) .coop-char span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:is(#coop-ui, #friends-ui) .coop-char:hover:not([disabled]), :is(#coop-ui, #friends-ui) .coop-char:focus-visible { border-color: var(--gold); outline: none; color: #fff; }
:is(#coop-ui, #friends-ui) .coop-char.is-sel { border-color: var(--gold); background: rgba(255, 210, 60, .14); color: #fff; box-shadow: 0 0 10px rgba(255, 210, 60, .25); }
:is(#coop-ui, #friends-ui) .coop-char[disabled] { cursor: not-allowed; opacity: .55; }
:is(#coop-ui, #friends-ui) .coop-char.is-sel[disabled] { opacity: .9; }

:is(#coop-ui, #friends-ui) .coop-spinner { width: 28px; height: 28px; margin: 6px auto 4px; border-radius: 50%; border: 3px solid rgba(255, 210, 60, .2); border-top-color: var(--gold); animation: coop-spin .8s linear infinite; }

@media (prefers-reduced-motion: reduce) {
  :is(#coop-ui, #friends-ui) .coop-backdrop, :is(#coop-ui, #friends-ui) .coop-panel { animation: none; }
  :is(#coop-ui, #friends-ui) .coop-spinner { animation-duration: 2.4s; }
}

/* Amigos (#friends-ui y lista «Invitar amigos» de la sala) */
:is(#coop-ui, #friends-ui) .fr-h { margin-top: 16px; }
:is(#coop-ui, #friends-ui) .fr-me { margin: -4px 0 6px; }
:is(#coop-ui, #friends-ui) .fr-ok { color: #8ef0a0; }
:is(#coop-ui, #friends-ui) .fr-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
:is(#coop-ui, #friends-ui) .fr-row {
  display: flex; align-items: center; gap: 10px; padding: 6px 8px; border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .03); min-width: 0;
}
:is(#coop-ui, #friends-ui) .fr-row.is-invite { border-color: var(--gold); background: rgba(255, 210, 60, .1); }
:is(#coop-ui, #friends-ui) .fr-av { flex: none; width: 40px; height: 40px; border-radius: 5px; overflow: hidden; background: rgba(0, 0, 0, .45); }
:is(#coop-ui, #friends-ui) .fr-info { flex: 1; min-width: 0; }
:is(#coop-ui, #friends-ui) .fr-name { font-size: 9px; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:is(#coop-ui, #friends-ui) .fr-sub { margin-top: 6px; font-size: 7px; color: var(--muted); line-height: 1.5; }
:is(#coop-ui, #friends-ui) .fr-sub b { color: var(--gold); font-weight: normal; letter-spacing: 2px; }
:is(#coop-ui, #friends-ui) .fr-on { color: #5fe08a; }
:is(#coop-ui, #friends-ui) .fr-off { color: #6a6a7e; }
:is(#coop-ui, #friends-ui) .fr-btns { flex: none; display: flex; gap: 6px; }
:is(#coop-ui, #friends-ui) .coop-btn.fr-sm { min-width: 0; min-height: 32px; padding: 0 10px; font-size: 8px; }
:is(#coop-ui, #friends-ui) .coop-btn.fr-danger { border-color: var(--err); color: var(--err); }

/* Aviso de invitación (abajo, en los menús) */
#invite-pop { position: fixed; left: 50%; bottom: max(16px, env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 35; font-family: 'Press Start 2P', 'Courier New', monospace; }
#invite-pop[hidden] { display: none; }
#invite-pop .ip-card {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px; max-width: calc(100vw - 32px); box-sizing: border-box;
  background: rgba(12, 9, 20, .96); border: 2px solid #ffd23c; border-radius: 8px; color: #e8e8f0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .7), 0 0 18px rgba(255, 210, 60, .25); animation: coop-pop .2s ease-out;
}
#invite-pop .ip-av { flex: none; width: 40px; height: 40px; border-radius: 5px; background: rgba(0, 0, 0, .45); image-rendering: pixelated; }
#invite-pop .ip-txt { font-size: 9px; line-height: 1.7; min-width: 0; }
#invite-pop .ip-txt b { color: #ffd23c; font-weight: normal; }
#invite-pop .ip-txt span { font-size: 7px; color: #9a9aa6; letter-spacing: 1px; }
#invite-pop .ip-btn {
  flex: none; min-height: 34px; padding: 0 12px; border-radius: 6px; border: 1px solid rgba(255, 255, 255, .25);
  background: rgba(255, 255, 255, .05); color: #e8e8f0; font: inherit; font-size: 9px; cursor: pointer;
}
#invite-pop .ip-btn.is-primary { border-color: #ffd23c; background: rgba(255, 210, 60, .2); color: #fff; }
#invite-pop .ip-btn:hover, #invite-pop .ip-btn:focus-visible { border-color: #ffd23c; outline: none; }

/* Sala compacta */
#coop-ui .coop-panel.is-room { width: min(460px, 100%); padding: 0 16px 14px; }
#coop-ui .coop-panel.is-room .coop-header { min-height: 48px; margin: 0 -16px 12px; padding: 0 10px 0 16px; }
#coop-ui .coop-panel.is-room h1 { flex: none; font-size: 13px; }
#coop-ui .cr-code {
  flex: 1; justify-self: start; margin-right: auto; max-width: max-content; padding: 6px 8px 6px 10px;
  font: inherit; font-size: 12px; letter-spacing: 4px; color: var(--gold); cursor: pointer;
  background: rgba(0, 0, 0, .4); border: 1px dashed rgba(255, 210, 60, .6); border-radius: 6px;
}
#coop-ui .cr-code:hover, #coop-ui .cr-code:focus-visible { border-style: solid; outline: none; background: rgba(255, 210, 60, .08); }
#coop-ui .cr-slots { list-style: none; margin: 0 0 12px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
#coop-ui .cr-slot {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px 4px 6px; min-width: 0;
  border-radius: 6px; border: 1px solid color-mix(in srgb, var(--pc) 50%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--pc) 12%, transparent), rgba(0, 0, 0, .2));
}
#coop-ui .cr-slot.is-me { box-shadow: 0 0 0 1px var(--pc); }
#coop-ui .cr-slot.is-empty { border-style: dashed; background: none; opacity: .5; }
#coop-ui .cr-pn { position: absolute; top: 3px; left: 4px; font-size: 6px; color: var(--pc); }
#coop-ui .cr-pt { width: 40px; height: 40px; flex: none; border-radius: 5px; background: rgba(0, 0, 0, .45); overflow: hidden; }
#coop-ui .cr-name { font-size: 7px; color: #fff; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#coop-ui .cr-st { font-size: 6px; color: var(--muted); }
#coop-ui .cr-slot.is-ready .cr-st { color: var(--pc); }
#coop-ui .cr-me { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border-radius: 6px; border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .03); }
#coop-ui .cr-me-txt { flex: 1; min-width: 0; }
#coop-ui .cr-me-txt .coop-label { margin: 0 0 6px; font-size: 6px; }
#coop-ui .cr-me-txt b { font-weight: normal; font-size: 9px; color: #fff; }
#coop-ui .cr-chars { display: flex; gap: 6px; overflow-x: auto; padding: 8px 2px 6px; scrollbar-width: thin; }
#coop-ui .cr-char { flex: none; padding: 3px; border-radius: 6px; border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .03); cursor: pointer; }
#coop-ui .cr-char canvas { border-radius: 4px; background: rgba(0, 0, 0, .4); }
#coop-ui .cr-char:hover, #coop-ui .cr-char:focus-visible { border-color: var(--gold); outline: none; }
#coop-ui .cr-char.is-sel { border-color: var(--gold); background: rgba(255, 210, 60, .14); }
#coop-ui .is-room .fr-h { margin: 12px 0 6px; }
#coop-ui .cr-friends { max-height: 118px; overflow-y: auto; }
#coop-ui .cr-friends .fr-av { width: 32px; height: 32px; }
#coop-ui .cr-friends .fr-row { padding: 4px 6px; }
#coop-ui .is-room .coop-status { margin-top: 10px; }
#coop-ui .cr-actions { flex-wrap: nowrap; gap: 8px; margin-top: 10px; }
#coop-ui .cr-actions .coop-btn { min-width: 0; min-height: 36px; padding: 0 12px; font-size: 9px; }
#coop-ui .cr-actions .coop-btn:first-child { flex: 1; }
#coop-ui .cr-friends .fr-av canvas { width: 32px; height: 32px; }