/* ===== SIM INDEX / ENTRY SCREEN ===== */

:root {
  --sim-bg-0: #050815;
  --sim-bg-1: #071126;
  --sim-bg-2: #111a3d;

  --sim-card: rgba(9, 16, 38, .78);
  --sim-card-strong: rgba(10, 18, 45, .92);

  --sim-text: #f4f8ff;
  --sim-muted: rgba(224, 235, 255, .72);
  --sim-soft: rgba(224, 235, 255, .52);

  --sim-cyan: #00e5ff;
  --sim-blue: #3577ff;
  --sim-violet: #9a5cff;
  --sim-green: #38f2a5;
  --sim-warning: #ffd166;

  --sim-border: rgba(126, 195, 255, .24);
  --sim-border-strong: rgba(0, 229, 255, .42);

  --sim-radius-xl: 30px;
  --sim-radius-lg: 22px;
  --sim-radius-md: 16px;

  --sim-shadow-lg:
    0 34px 90px rgba(0, 0, 0, .58),
    inset 0 1px 0 rgba(255, 255, 255, .08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  font-family: 'Raleway', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--sim-text);
  background:
    radial-gradient(circle at 18% 12%, rgba(0, 229, 255, .16), transparent 32%),
    radial-gradient(circle at 82% 24%, rgba(154, 92, 255, .18), transparent 30%),
    linear-gradient(135deg, var(--sim-bg-0), var(--sim-bg-1) 52%, var(--sim-bg-2));
}

/* ===== Background premium ===== */

.sim-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.sim-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at center, transparent 0%, rgba(0, 0, 0, .28) 62%, rgba(0, 0, 0, .62) 100%),
    linear-gradient(180deg, rgba(255,255,255,.035), transparent 38%);
}

.sim-bg__grid {
  position: absolute;
  inset: -2px;
  opacity: .34;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 74%);
}

.sim-bg__line {
  position: absolute;
  left: -10%;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, .45), rgba(154, 92, 255, .28), transparent);
  transform: rotate(-10deg);
  opacity: .65;
}

.sim-bg__line--one {
  top: 32%;
}

.sim-bg__line--two {
  top: 68%;
  opacity: .38;
  transform: rotate(8deg);
}

.sim-bg__glow {
  position: absolute;
  width: 42vw;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(70px);
  opacity: .25;
}

.sim-bg__glow--cyan {
  left: -12vw;
  bottom: 8vh;
  background: var(--sim-cyan);
}

.sim-bg__glow--violet {
  right: -14vw;
  top: 8vh;
  background: var(--sim-violet);
}

/* ===== Layout ===== */

.sim-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 32px));
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: clamp(24px, 5vh, 54px) 0;
  display: grid;
  place-items: center;
}

.container,
.sim-card {
  position: relative;
  width: min(100%, 640px);
  overflow: hidden;
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius-xl);
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    var(--sim-card);
  box-shadow: var(--sim-shadow-lg);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  text-align: center;
}

.sim-card {
  padding: clamp(22px, 4vw, 34px);
}

.sim-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--sim-radius-xl) - 1px);
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 229, 255, .17), transparent 38%),
    radial-gradient(circle at 100% 16%, rgba(154, 92, 255, .12), transparent 32%);
}

.sim-card__accent {
  position: absolute;
  top: 0;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sim-cyan), var(--sim-violet), transparent);
  opacity: .9;
}

.sim-header,
.join-panel,
.sim-badges {
  position: relative;
  z-index: 1;
}

/* ===== Brand / copy ===== */

.sim-header {
  display: grid;
  justify-items: center;
}

.logo {
  display: block;
  width: min(100%, 320px);
  max-height: 172px;
  object-fit: contain;
  margin: 0 auto 8px;
  filter:
    drop-shadow(0 18px 32px rgba(0, 0, 0, .34))
    drop-shadow(0 0 22px rgba(0, 229, 255, .14));
}

.sim-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 7px 12px;
  border: 1px solid rgba(0, 229, 255, .28);
  border-radius: 999px;
  background: rgba(0, 229, 255, .08);
  color: rgba(220, 247, 255, .88);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .09em;
  text-transform: uppercase;
}

h1 {
  width: min(100%, 520px);
  margin: 16px auto 0;
  color: #fff;
  font-size: clamp(1.8rem, 4.2vw, 2.65rem);
  line-height: .98;
  font-weight: 900;
  letter-spacing: -.045em;
}

.sim-lead {
  width: min(100%, 500px);
  margin: 14px auto 0;
  color: var(--sim-muted);
  font-size: clamp(.96rem, 1.8vw, 1.06rem);
  line-height: 1.55;
  font-weight: 500;
}

/* ===== Badges ===== */

.sim-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
}

.sim-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border: 1px solid rgba(126, 195, 255, .22);
  border-radius: 999px;
  background: rgba(255,255,255,.045);
  color: rgba(232, 242, 255, .78);
  font-size: .78rem;
  font-weight: 800;
}

/* ===== Join panel ===== */

.join-panel {
  margin-top: 22px;
  padding: clamp(16px, 3vw, 22px);
  border: 1px solid rgba(126, 195, 255, .20);
  border-radius: var(--sim-radius-lg);
  background:
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
    rgba(2, 8, 22, .34);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.06),
    0 18px 46px rgba(0,0,0,.24);
}

.field-label {
  display: block;
  margin: 0 0 8px;
  color: rgba(238, 246, 255, .86);
  font-size: .86rem;
  font-weight: 900;
  text-align: left;
  letter-spacing: .01em;
}

.input-shell {
  position: relative;
}

.input-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--sim-radius-md);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 229, 255, .36), rgba(154, 92, 255, .18), rgba(255,255,255,.08));
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

input {
  width: 100%;
  min-height: 54px;
  padding: 0 16px;
  border: 1px solid rgba(126, 195, 255, .14);
  border-radius: var(--sim-radius-md);
  outline: none;
  background: rgba(4, 10, 25, .82);
  color: #fff;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.05),
    0 12px 30px rgba(0,0,0,.2);
  transition:
    border-color .18s ease,
    box-shadow .18s ease,
    background .18s ease;
}

input::placeholder {
  color: rgba(224, 235, 255, .42);
  font-weight: 600;
}

input:hover {
  border-color: rgba(126, 195, 255, .26);
}

input:focus {
  border-color: var(--sim-border-strong);
  background: rgba(5, 13, 34, .96);
  box-shadow:
    0 0 0 4px rgba(0, 229, 255, .09),
    0 18px 40px rgba(0,0,0,.28);
}

button {
  font-family: inherit;
}

.primary-action,
button {
  border: 0;
  cursor: pointer;
}

.primary-action {
  position: relative;
  width: 100%;
  min-height: 54px;
  margin-top: 12px;
  padding: 0 18px;
  border-radius: var(--sim-radius-md);
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .96), rgba(53, 119, 255, .92) 52%, rgba(154, 92, 255, .94));
  font-size: .98rem;
  font-weight: 950;
  letter-spacing: .01em;
  box-shadow:
    0 18px 38px rgba(0, 126, 255, .28),
    inset 0 1px 0 rgba(255,255,255,.30);
  transition:
    transform .16s ease,
    filter .16s ease,
    box-shadow .16s ease;
}

.primary-action:hover {
  filter: brightness(1.08) saturate(1.04);
  transform: translateY(-1px);
  box-shadow:
    0 24px 48px rgba(0, 126, 255, .36),
    inset 0 1px 0 rgba(255,255,255,.34);
}

.primary-action:active {
  transform: translateY(1px);
}

.primary-action:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(0, 229, 255, .42);
  outline-offset: 3px;
}

.primary-action:disabled,
button:disabled {
  cursor: not-allowed;
  filter: grayscale(.35);
  opacity: .58;
  transform: none;
}

/* Compatibilidad con botones que pueda crear index.js */
#readyButton {
  background:
    linear-gradient(135deg, rgba(0, 229, 255, .96), rgba(53, 119, 255, .92) 52%, rgba(154, 92, 255, .94));
}

#newCodeBtn {
  background: linear-gradient(135deg, rgba(53, 119, 255, .95), rgba(0, 229, 255, .78));
}

#copyLink,
.copybtn {
  background: linear-gradient(135deg, rgba(154, 92, 255, .94), rgba(53, 119, 255, .86));
}

/* ===== Status ===== */

.status-stack {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.status-text {
  margin: 0;
  color: rgba(255, 241, 190, .95);
  font-size: .9rem;
  font-weight: 800;
  line-height: 1.4;
}

.status-text:not(:empty) {
  padding: 10px 12px;
  border: 1px solid rgba(255, 209, 102, .22);
  border-radius: 14px;
  background: rgba(255, 209, 102, .08);
}

.status-text:empty {
  display: none;
}

.muted {
  color: var(--sim-muted);
  font-size: .9rem;
}

/* Fila de código + botones, por compatibilidad */
.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.row > * {
  flex: 1 1 auto;
}

.copybtn {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* ===== Animations ===== */

.fade-in {
  animation: fadeIn .55s ease both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(.99);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .primary-action,
  input {
    animation: none;
    transition: none;
  }
}

/* ===== Video ad overlay ===== */

#video-ad-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at center, rgba(0, 229, 255, .10), transparent 42%),
    rgba(0, 0, 0, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.video-ad-box {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border: 1px solid rgba(126, 195, 255, .24);
  border-radius: 20px;
  background: #000;
  box-shadow: 0 28px 80px rgba(0,0,0,.58);
  text-align: center;
}

.video-ad-box--fullscreen {
  width: min(96vw, 1400px);
  height: min(92vh, 900px);
}

.video-ad-box--modal {
  width: min(92vw, 900px);
  height: min(80vh, 620px);
}

.video-ad-label {
  min-height: 44px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  color: rgba(238, 246, 255, .86);
  background: rgba(255,255,255,.06);
  font-weight: 900;
}

.video-ad-player,
#videoAdPlayer {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  background: #000;
}

.video-ad-box--modal .video-ad-player,
.video-ad-box--modal #videoAdPlayer {
  object-fit: contain;
}

.video-ad-footer {
  min-height: 56px;
  padding: 10px 14px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  background: rgba(255,255,255,.06);
}

#videoAdSkipBtn {
  min-width: 150px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, rgba(53, 119, 255, .92), rgba(154, 92, 255, .88));
  font-weight: 900;
}

#videoAdSkipBtn:disabled {
  cursor: not-allowed;
  opacity: .62;
  filter: grayscale(.25);
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
  .sim-shell {
    width: min(100%, calc(100vw - 24px));
    align-items: start;
    padding: 14px 0 calc(18px + env(safe-area-inset-bottom));
  }

  .sim-card {
    border-radius: 24px;
    padding: 18px 14px;
  }

  .logo {
    width: min(100%, 250px);
    max-height: 132px;
  }

  .sim-eyebrow {
    min-height: 28px;
    padding: 6px 10px;
    font-size: .68rem;
    letter-spacing: .075em;
  }

  h1 {
    margin-top: 13px;
    font-size: clamp(1.58rem, 8vw, 2.1rem);
    line-height: 1.02;
  }

  .sim-lead {
    margin-top: 10px;
    font-size: .92rem;
    line-height: 1.42;
  }

  .sim-badges {
    gap: 6px;
    margin-top: 14px;
  }

  .sim-badges span {
    min-height: 28px;
    padding: 5px 9px;
    font-size: .72rem;
  }

  .join-panel {
    margin-top: 16px;
    padding: 14px;
    border-radius: 20px;
  }

  .field-label {
    font-size: .82rem;
  }

  input {
    min-height: 50px;
    font-size: 16px;
  }

  .primary-action {
    min-height: 50px;
    font-size: .94rem;
  }

  .status-text {
    font-size: .84rem;
  }

  .row {
    flex-direction: column;
    align-items: stretch;
  }

  .copybtn {
    width: 100%;
  }

  #video-ad-overlay {
    padding: 12px;
  }

  .video-ad-box {
    width: 100%;
    max-width: 520px;
    padding: 12px;
    border-radius: 18px;
  }

  .video-ad-label {
    font-size: 14px;
    line-height: 1.3;
  }

  #videoAdPlayer {
    max-height: 58vh;
    border-radius: 12px;
  }

  #videoAdSkipBtn {
    width: 100%;
    min-height: 46px;
    margin-top: 12px;
  }
}

@media (max-width: 420px) {
  .sim-shell {
    width: min(100%, calc(100vw - 18px));
    padding-top: 9px;
  }

  .sim-card {
    padding: 15px 12px;
    border-radius: 22px;
  }

  .logo {
    width: min(100%, 220px);
    max-height: 112px;
  }

  h1 {
    font-size: 1.48rem;
  }

  .sim-lead {
    font-size: .86rem;
  }

  .sim-badges {
    display: none;
  }

  .join-panel {
    margin-top: 14px;
    padding: 12px;
  }

  input,
  .primary-action {
    min-height: 48px;
  }
}
/* Acceso dedicado a cuatro participantes de Training */
.training-label { display:block; text-align:left; margin:18px 0 9px; color:#e5f2ff; font-weight:800; font-size:14px; }
.training-inline-actions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; margin-top:12px; }
.training-primary, .training-secondary { cursor:pointer; font-family:inherit; font-weight:800; border-radius:14px; transition:opacity .2s, transform .2s; }
.training-primary { display:block; width:100%; border:0; padding:17px 20px; margin-top:22px; color:#071126; background:linear-gradient(120deg,#00e5ff,#88ffd9); font-size:16px; }
.training-secondary { padding:11px 12px; border:1px solid rgba(0,229,255,.4); color:#dcf6ff; background:rgba(0,229,255,.09); font-size:12px; }
.training-primary:hover,.training-secondary:hover { filter:brightness(1.12); transform:translateY(-1px); }
.training-primary:disabled,.training-secondary:disabled { cursor:not-allowed; opacity:.5; transform:none; }
.training-status { min-height:64px; padding-top:10px; color:#bceffa; font-size:14px; }
.training-status p { margin:6px 0; overflow-wrap:anywhere; }
.training-note { color:rgba(224,235,255,.65); line-height:1.55; font-size:12px; margin:10px 0 0; }
@media (max-width:420px) { .training-inline-actions {grid-template-columns:1fr;} }

.training-recovery{margin:12px 0;color:#b6cdda;font-size:13px}.training-recovery summary{cursor:pointer;padding:8px 0}.training-recovery input{width:100%}#continueButton:not([hidden]){display:block;width:100%;margin:10px 0}