/* ---------- 大厅 ---------- */
.lobby {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: var(--space-section);
  min-height: 100dvh;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: var(--space-section) max(var(--space-4), env(safe-area-inset-left));
}

.lobby-hero {
  position: relative;
  padding: var(--space-6) 0;
}

.eyebrow {
  margin: 0 0 var(--space-3);
  font-family: var(--font-rank);
  font-size: var(--text-sm);
  letter-spacing: 0.38em;
  color: var(--brass);
}

.lobby-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--brass-soft);
  text-shadow: 0 2px 0 var(--lacquer-deep), 0 18px 40px rgba(0, 0, 0, 0.45);
}

.tagline {
  position: relative;
  z-index: 1;
  max-width: 26em;
  margin: var(--space-4) 0 0;
  color: var(--text-muted);
  font-size: var(--text-lg);
  line-height: 1.7;
}

.hero-fan {
  position: relative;
  width: 260px;
  height: 170px;
  margin: 0 0 var(--space-4) clamp(0px, 18%, 140px);
  pointer-events: none;
}

.hero-fan .card {
  --w: 92px;
  --h: 129px;
  position: absolute;
  left: 84px;
  top: 20px;
  transform-origin: 50% 120%;
  transform: rotate(var(--r));
  animation: fan-open 900ms var(--ease-out-expo) backwards;
  animation-delay: calc(var(--i) * 90ms + 150ms);
}

@keyframes fan-open {
  from {
    transform: rotate(0deg) translateY(20px);
    opacity: 0;
  }
}

.lobby-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(8, 29, 24, 0.72), rgba(8, 29, 24, 0.5));
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(6px);
}

.step {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--brass-soft);
}

.step small {
  margin-left: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--text-faint);
}

.game-picks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.pick {
  display: grid;
  justify-items: start;
  gap: var(--space-2);
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
}

.pick .card {
  --w: 100%;
  --h: auto;
  width: 100%;
  aspect-ratio: 5 / 7;
  height: auto;
  container-type: inline-size;
  transition: transform var(--duration-normal) var(--ease-spring), box-shadow var(--duration-normal);
}

.pick .card-corner {
  top: 8%;
  left: 9%;
}

.pick .card-rank {
  font-size: clamp(1rem, 24cqi, 2rem);
}

.pick .card-suit {
  font-size: clamp(0.75rem, 16cqi, 1.3rem);
}

.pick-glyph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  padding-top: 12%;
  font-size: clamp(1.6rem, 46cqi, 4.2rem);
  font-weight: 900;
}

.pick-name {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.pick-name small {
  padding: 0 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
}

.pick-desc {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--text-muted);
}

.pick:hover .card {
  transform: translateY(-4px) rotate(-1.5deg);
}

.pick[aria-checked='true'] .card {
  transform: translateY(-8px) rotate(-2deg);
  box-shadow: 0 0 0 3px var(--brass), 0 16px 30px rgba(0, 0, 0, 0.45);
}

.pick[aria-checked='true'] .pick-name {
  color: var(--brass-soft);
}

.btn-wide {
  width: 100%;
  min-height: 54px;
  font-size: 1.1rem;
}

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-faint);
  font-size: var(--text-sm);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.join-row {
  display: flex;
  gap: var(--space-3);
}

.code-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-rank);
  font-size: 1.4rem;
  letter-spacing: 0.5em;
  text-align: center;
}

@media (max-width: 860px) {
  .lobby {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: var(--space-4);
    padding-top: var(--space-5);
  }

  .lobby-hero {
    padding: var(--space-3) 0;
  }

  .hero-fan {
    position: absolute;
    right: -20px;
    top: -10px;
    margin: 0;
    transform: scale(0.55);
    transform-origin: right top;
    opacity: 0.9;
  }
}

@media (max-width: 420px) {
  .lobby-panel {
    padding: var(--space-4);
  }

  .game-picks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-3);
  }

  .pick .card {
    aspect-ratio: 5 / 4;
  }
}