.lobby { padding: 4px 0 24px; }
.lb-top { display: flex; }
.lb-back { font-size: 1rem; border: 0; border-radius: 12px; padding: 10px 14px; background: #fff; color: #4a4a6a; box-shadow: 0 3px 0 #d5d9e6; cursor: pointer; font-family: inherit; }
.lb-title { font-size: 2rem; margin: 12px 0 10px; }
.lb-stat { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 24px; font-size: 1.15rem; }
.lb-fire, .lb-best, .lb-today { background: #fff; border-radius: 999px; padding: 8px 16px; box-shadow: 0 3px 0 #e1e4ee; }
.lb-fire { color: #e8590c; font-weight: 800; }
.lb-best { color: #b8860b; font-weight: 800; }
.lb-chip { margin: 0 2px; opacity: .5; }
.lb-chip.ok { opacity: 1; }
.lb-tip { width: 100%; font-size: .95rem; color: #555; }
.lb-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.lb-mode { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 210px; padding: 22px 14px; border: 0; border-radius: 24px; color: #fff; cursor: pointer; font-family: inherit; transition: transform .1s; }
.lb-mode:active { transform: translateY(4px); }
.lb-mode.practice { background: linear-gradient(135deg, #4a7cf7, #7b5cff); box-shadow: 0 8px 0 #3a4fb8; }
.lb-mode.game { background: linear-gradient(135deg, #ff8a3d, #ff4f8b); box-shadow: 0 8px 0 #c23c62; animation: lb-glow 1.6s ease-in-out infinite; }
.lb-mode.game.locked { background: linear-gradient(135deg, #9aa3b5, #6f7890); box-shadow: 0 8px 0 #545c70; animation: none; cursor: not-allowed; }
.lb-mode.game.locked.nope { animation: lb-nope .4s; }
.lb-ico { font-size: 3.2rem; line-height: 1.1; }
.lb-name { font-size: 1.6rem; font-weight: 800; }
.lb-sub { font-size: .95rem; opacity: .95; }
.lb-dday { font-size: 2rem; font-weight: 900; background: rgba(0,0,0,.25); border-radius: 14px; padding: 2px 16px; letter-spacing: 1px; }
.lb-toast { position: fixed; left: 50%; top: 24px; transform: translateX(-50%); background: #222; color: #fff; padding: 14px 22px; border-radius: 16px; font-size: 1.2rem; z-index: 999; box-shadow: 0 8px 24px rgba(0,0,0,.25); animation: lb-toast 3.5s forwards; }
@keyframes lb-nope { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
@keyframes lb-glow { 0%,100% { filter: brightness(1); } 50% { filter: brightness(1.15); } }
@keyframes lb-toast { 0% { opacity: 0; } 10% { opacity: 1; } 85% { opacity: 1; } 100% { opacity: 0; } }
@media (max-width: 600px) { .lb-btns { grid-template-columns: 1fr; } .lb-mode { min-height: 150px; } }