/* ===== 登录 / 大厅 / 匹配 / 房间 ===== */

/* ---- 登录屏 ---- */
#scrLogin { align-items: center; justify-content: center; }
.login-bg { position: absolute; inset: 0; overflow: hidden; }
.login-bg .deco-card {
  position: absolute; width: 90px; height: 126px; border-radius: 10px;
  background: linear-gradient(160deg, #fdfefe, #e6ecf5);
  box-shadow: 0 14px 40px rgba(0, 0, 0, .5), inset 0 0 0 1px rgba(0, 0, 0, .05);
  opacity: .16; animation: decoFloat 7s ease-in-out infinite;
}
.deco-card.d1 { top: 12%; left: 14%; transform: rotate(-18deg); }
.deco-card.d2 { top: 58%; left: 8%; transform: rotate(12deg); animation-delay: -2.3s; }
.deco-card.d3 { top: 30%; right: 12%; transform: rotate(20deg); animation-delay: -4.6s; }
.deco-card::after {
  content: "♦"; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 40px; color: #c33;
}
@keyframes decoFloat { 50% { transform: translateY(-16px) rotate(-14deg); } }
.deco-glow {
  position: absolute; width: 60vmin; height: 60vmin; border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 193, 90, .12), transparent 65%);
  top: 50%; left: 50%; transform: translate(-50%, -55%);
}
.login-card {
  position: relative; z-index: 2;
  width: min(400px, 92vw);
  background: linear-gradient(175deg, rgba(24, 38, 66, .92), rgba(18, 28, 48, .92));
  border: 1px solid var(--line2); border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 34px 30px; text-align: center;
  display: flex; flex-direction: column; gap: 16px;
}
.login-logo { display: flex; justify-content: center; gap: 10px; }
.login-logo span {
  width: 58px; height: 58px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 900; color: #4a3200;
  background: linear-gradient(180deg, #f7dc8a, #d9ac3d);
  box-shadow: 0 6px 16px rgba(232, 193, 90, .35), inset 0 1px 0 rgba(255, 255, 255, .5);
  transform: rotate(-4deg);
}
.login-logo span:nth-child(2) { transform: rotate(2deg) translateY(-4px); }
.login-logo span:nth-child(3) { transform: rotate(6deg); }
.login-sub { color: var(--txt3); font-size: 12px; letter-spacing: .28em; }
.login-card .inp { text-align: left; }
.login-err { min-height: 18px; font-size: 12.5px; color: #ff8a80; text-align: left; }
.login-btns { display: flex; gap: 10px; }
.login-btns .btn { flex: 1; padding-left: 0; padding-right: 0; }
.login-note { color: var(--txt3); font-size: 11.5px; line-height: 1.5; }
.login-ava-label { color: var(--txt2); font-size: 13px; text-align: left; }
.login-avatars { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; }
.login-avatars .ava-pick {
  aspect-ratio: 1; border-radius: 50%; overflow: hidden; cursor: pointer;
  border: 2px solid transparent; opacity: .55; transition: all .15s; padding: 0;
}
.login-avatars .ava-pick.sel { border-color: var(--gold); opacity: 1; transform: scale(1.1); }

/* ---- 大厅 ---- */
#scrLobby { overflow-y: auto; overflow-x: hidden; }
.lobby-hero { position: relative; text-align: center; padding: 26px 0 10px; flex: none; }
.hero-title {
  font-size: clamp(40px, 7vmin, 64px); font-weight: 900; letter-spacing: .12em;
  background: linear-gradient(180deg, #fdf3d0 15%, #f0c96a 55%, #b8862e 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 4px 12px rgba(232, 193, 90, .25));
}
.hero-sub { color: var(--txt3); letter-spacing: .5em; font-size: 12px; margin-top: 4px; text-indent: .5em; }
.hero-cards { position: absolute; inset: 0; pointer-events: none; }
.hero-cards::before, .hero-cards::after {
  content: ""; position: absolute; width: 64px; height: 90px; border-radius: 8px;
  background: linear-gradient(160deg, #fdfefe, #e6ecf5);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .4);
  opacity: .14; top: 8px;
}
.hero-cards::before { left: 12%; transform: rotate(-16deg); }
.hero-cards::after { right: 12%; transform: rotate(18deg); }

.mode-grid {
  width: min(1060px, 94vw); margin: 10px auto 40px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; padding: 0 4px;
}
.mode-card {
  position: relative; border-radius: 18px; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.mode-card:hover { transform: translateY(-4px); border-color: var(--mc, var(--gold-dk)); box-shadow: 0 14px 34px rgba(0, 0, 0, .4); }
.mode-art {
  height: 108px; position: relative; flex: none;
  background:
    radial-gradient(90% 120% at 85% 0%, var(--mc-soft, rgba(232, 193, 90, .25)), transparent 60%),
    linear-gradient(160deg, var(--panel2), var(--panel));
  display: flex; align-items: center; justify-content: center;
}
.mode-art .ma-icon { width: 58px; height: 58px; opacity: .95; filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .4)); }
.mode-art .ma-badge {
  position: absolute; top: 10px; right: 12px;
  font-size: 11px; font-weight: 800; letter-spacing: .1em;
  color: var(--mc, var(--gold));
  border: 1px solid var(--mc, var(--gold-dk));
  padding: 3px 9px; border-radius: 20px; background: rgba(0, 0, 0, .3);
}
.mode-body { padding: 14px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.mode-name { font-size: 19px; font-weight: 800; }
.mode-desc { font-size: 13px; color: var(--txt2); line-height: 1.55; flex: 1; }
.mode-meta { display: flex; gap: 8px; margin: 4px 0 10px; flex-wrap: wrap; }
.mode-chip {
  font-size: 11px; color: var(--txt2); padding: 3px 9px; border-radius: 8px;
  background: rgba(0, 0, 0, .3); border: 1px solid var(--line);
}
.mode-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.mode-foot .mf-extra { font-size: 12px; color: var(--txt3); }

/* ---- 房间屏 ---- */
#scrRoom { overflow-y: auto; }
.room-body { width: min(760px, 94vw); margin: 24px auto; flex: 1; }
.room-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.room-panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 24px; display: flex; flex-direction: column; gap: 14px; align-items: center; text-align: center;
}
.room-panel h3 { font-size: 18px; }
.room-panel p { color: var(--txt2); font-size: 13px; line-height: 1.6; }
.room-code-inp {
  text-align: center; letter-spacing: .6em; font-size: 22px; font-weight: 800;
  text-indent: .6em;
}

/* 房间等待 */
.room-wait {
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 24px; display: flex; flex-direction: column; gap: 18px; align-items: center;
}
.rw-code { display: flex; align-items: center; gap: 12px; }
.rw-code b {
  font-size: 34px; letter-spacing: .35em; text-indent: .35em; color: var(--gold2);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 12px rgba(232, 193, 90, .3);
}
.rw-mode {
  color: var(--txt2); font-size: 13px; padding: 5px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line);
}
.rw-mode b { color: var(--gold2); }
.room-mode-tag {
  margin-bottom: 14px; padding: 9px 16px; border-radius: 12px; text-align: center;
  color: var(--txt2); font-size: 13px;
  background: color-mix(in srgb, var(--mc, var(--gold2)) 8%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--mc, var(--gold2)) 30%, var(--line));
}
.room-mode-tag b { color: var(--mc, var(--gold2)); }
.rw-seats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; width: 100%; max-width: 480px; }
.rw-seat {
  border: 1px dashed var(--line2); border-radius: 14px;
  padding: 16px 8px; display: flex; flex-direction: column; align-items: center; gap: 8px;
  min-height: 130px; justify-content: center;
}
.rw-seat.filled { border-style: solid; border-color: var(--gold-dk); background: rgba(232, 193, 90, .05); }
.rw-seat .ava-frame { width: 52px; height: 52px; }
.rw-seat .ava-empty {
  width: 52px; height: 52px; border-radius: 50%;
  border: 2px dashed var(--line2); display: flex; align-items: center; justify-content: center;
  color: var(--txt3); font-size: 22px;
}
.rw-seat .rs-name { font-size: 14px; font-weight: 700; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rw-seat .rs-tag { font-size: 11px; color: var(--txt3); }
.rw-seat .rs-tag.host { color: var(--gold2); }
.rw-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.rw-hint { color: var(--txt3); font-size: 13px; }

@media (max-width: 640px) {
  .room-panels { grid-template-columns: 1fr; }
  .login-avatars { grid-template-columns: repeat(4, 1fr); gap: 10px; }
  .mode-grid { grid-template-columns: 1fr; }
}