.welcome-lang-overlay{-webkit-backdrop-filter:blur(10px);z-index:9999;background:#000000d9;justify-content:center;align-items:center;padding:1rem;animation:.3s ease-out welcomeFadeIn;display:flex;position:fixed;inset:0;overflow-y:auto}.welcome-lang-modal{text-align:center;box-sizing:border-box;background:#18181b;border:1px solid #ffffff1f;border-radius:24px;width:100%;max-width:440px;padding:1.75rem 1.5rem;animation:.3s cubic-bezier(.16,1,.3,1) welcomeScaleUp;box-shadow:0 25px 50px -12px #000000b3}.welcome-lang-icon-wrap{background:#f973161f;border:1px solid #f973164d;border-radius:16px;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto .75rem;font-size:1.6rem;display:flex}.welcome-lang-title{color:#fff;letter-spacing:-.02em;margin:0 0 .3rem;font-size:1.35rem;font-weight:800}.welcome-lang-subtitle{color:#a1a1aa;margin:0 0 1.25rem;padding:0 .5rem;font-size:.85rem;line-height:1.4}.welcome-lang-section{text-align:left;box-sizing:border-box;background:#ffffff08;border:1px solid #ffffff0f;border-radius:16px;margin-bottom:1rem;padding:.9rem}.welcome-lang-section-title{align-items:center;gap:.45rem;margin-bottom:.2rem;display:flex}.welcome-lang-section-emoji{font-size:1rem}.welcome-lang-section-title strong{color:#f4f4f5;font-size:.9rem}.welcome-lang-section-desc{color:#71717a;margin:0 0 .65rem;font-size:.76rem;line-height:1.3}.welcome-lang-stack{flex-direction:column;gap:.5rem;width:100%;display:flex}.welcome-lang-row-card{cursor:pointer;text-align:left;color:#fff;box-sizing:border-box;background:#27272a;border:1.5px solid #ffffff14;border-radius:12px;align-items:center;gap:.75rem;width:100%;padding:.65rem .85rem;transition:all .2s;display:flex}.welcome-lang-row-card:hover{background:#3f3f46;border-color:#f9731680;transform:translateY(-1px)}.welcome-lang-row-card--selected{box-shadow:0 0 0 1px #f97316;background:#f973161f!important;border-color:#f97316!important}.welcome-lang-flag{flex-shrink:0;font-size:1.5rem;line-height:1}.welcome-lang-row-info{flex-direction:column;flex:1;min-width:0;display:flex}.welcome-lang-row-info strong{color:#fff;font-size:.88rem;font-weight:700}.welcome-lang-row-info span{color:#a1a1aa;margin-top:1px;font-size:.72rem}.welcome-lang-radio{flex-shrink:0;justify-content:center;align-items:center;display:flex}.welcome-lang-radio-circle{border:2px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;transition:all .2s;display:flex}.welcome-lang-row-card--selected .welcome-lang-radio-circle{border-color:#f97316}.welcome-lang-radio-dot{background:#f97316;border-radius:50%;width:8px;height:8px}.welcome-lang-tri-grid{box-sizing:border-box;grid-template-columns:repeat(3,1fr);gap:.5rem;width:100%;display:grid}.welcome-lang-tri-card{cursor:pointer;color:#fff;box-sizing:border-box;text-align:center;background:#27272a;border:1.5px solid #ffffff14;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;width:100%;padding:.65rem .3rem;transition:all .2s;display:flex}.welcome-lang-tri-card:hover{background:#3f3f46;border-color:#f9731680;transform:translateY(-1px)}.welcome-lang-tri-card--selected{box-shadow:0 0 0 1px #f97316;background:#f973161f!important;border-color:#f97316!important}.welcome-lang-tri-flag{margin-bottom:.25rem;font-size:1.3rem;line-height:1}.welcome-lang-tri-code{color:#fff;font-size:.85rem;font-weight:800;line-height:1.1}.welcome-lang-tri-card--selected .welcome-lang-tri-code{color:#f97316}.welcome-lang-tri-name{color:#a1a1aa;white-space:nowrap;text-overflow:ellipsis;max-width:100%;margin-top:2px;font-size:.68rem;overflow:hidden}.welcome-lang-confirm-btn{color:#fff;cursor:pointer;box-sizing:border-box;background:#f97316;border:none;border-radius:14px;width:100%;margin-top:.35rem;padding:.85rem 1.5rem;font-size:.95rem;font-weight:700;transition:all .2s;box-shadow:0 4px 14px #f9731666}.welcome-lang-confirm-btn:hover{background:#ea580c;transform:translateY(-2px);box-shadow:0 6px 20px #f9731680}.welcome-lang-confirm-btn:active{transform:translateY(0)}@media (width<=380px){.welcome-lang-modal{border-radius:18px;padding:1.25rem 1rem}.welcome-lang-title{font-size:1.2rem}.welcome-lang-subtitle{font-size:.78rem}.welcome-lang-section{padding:.75rem .65rem}.welcome-lang-tri-name{font-size:.62rem}}@keyframes welcomeFadeIn{0%{opacity:0}to{opacity:1}}@keyframes welcomeScaleUp{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.duo-modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000bf;justify-content:center;align-items:center;padding:16px;animation:.25s duoFadeIn;display:flex;position:fixed;inset:0}@keyframes duoFadeIn{0%{opacity:0}to{opacity:1}}.duo-modal-content{background:#18181b;border:1px solid #ffffff1f;border-radius:24px;flex-direction:column;width:100%;max-width:520px;max-height:90vh;animation:.25s cubic-bezier(.16,1,.3,1) duoScaleUp;display:flex;overflow:hidden;box-shadow:0 24px 64px #0009}@keyframes duoScaleUp{0%{transform:scale(.95)translateY(10px)}to{transform:scale(1)translateY(0)}}.duo-modal-header{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.duo-modal-title-row{align-items:center;gap:10px;display:flex}.duo-modal-flame{font-size:24px}.duo-modal-title{color:#fff;margin:0;font-size:18px;font-weight:800}.duo-modal-close{color:#94a3b8;cursor:pointer;background:#ffffff14;border:none;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;transition:all .2s;display:flex}.duo-modal-close:hover{color:#fff;background:#ffffff26}.duo-modal-body{flex-direction:column;gap:24px;padding:24px;display:flex;overflow-y:auto}.duo-modal-mascot-card{text-align:center;border-radius:20px;flex-direction:column;align-items:center;padding:24px;display:flex;position:relative}.duo-modal-mascot-card--beach{background:linear-gradient(135deg,#10b98126 0%,#064e3b66 100%);border:1.5px solid #34d39966}.duo-modal-mascot-card--almost{background:linear-gradient(135deg,#f59e0b26 0%,#b4530966 100%);border:1.5px solid #f59e0b66}.duo-modal-mascot-card--angry{background:linear-gradient(135deg,#ef444426 0%,#7f1d1d66 100%);border:1.5px solid #ef444466}.duo-modal-mascot-img{object-fit:contain;filter:drop-shadow(0 8px 16px #0006);width:110px;height:110px;margin-bottom:12px;animation:3s ease-in-out infinite duoFloat}@keyframes duoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.duo-modal-streak-block{flex-direction:column;align-items:center;margin-bottom:14px;display:flex}.duo-modal-streak-num{color:#fff;font-size:36px;font-weight:900;line-height:1}.duo-modal-streak-txt{letter-spacing:1px;color:#e2e8f0;margin-top:4px;font-size:12px;font-weight:800}.duo-modal-speech-bubble{background:#0006;border:1px solid #ffffff1a;border-radius:14px;max-width:100%;padding:12px 16px}.duo-modal-speech-text{color:#cbd5e1;margin:0;font-size:13px;line-height:1.5}.duo-modal-section{flex-direction:column;gap:12px;display:flex}.duo-modal-section-header{justify-content:space-between;align-items:center;display:flex}.duo-modal-section-title{color:#fff;font-size:14px;font-weight:700}.duo-modal-section-badge{color:#38bdf8;background:#38bdf81a;border-radius:10px;padding:2px 8px;font-size:12px;font-weight:700}.duo-modal-helper-text{color:#94a3b8;margin:0;font-size:12px;line-height:1.4}.duo-modal-history-grid{background:#00000040;border:1px solid #ffffff0d;border-radius:14px;grid-template-columns:repeat(7,1fr);gap:8px;padding:12px;display:grid}.duo-history-item{flex-direction:column;align-items:center;gap:4px;display:flex}.duo-history-dot{border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:12px;font-weight:700;display:flex}.duo-history-dot--done{color:#fff;background:#10b981}.duo-history-dot--today{color:#fbbf24;background:#f59e0b33;border:2px solid #f59e0b}.duo-history-dot--missed{color:#475569;background:#ffffff0f}.duo-history-date{color:#64748b;font-size:10px;font-weight:600}.duo-multipliers-list{flex-direction:column;gap:8px;display:flex}.duo-tier-row{background:#ffffff08;border:1px solid #ffffff0f;border-radius:12px;justify-content:space-between;align-items:center;padding:10px 14px;transition:all .2s;display:flex}.duo-tier-row--active{background:#ef44441f;border-color:#ef444466}.duo-tier-info{flex-direction:column;gap:2px;display:flex}.duo-tier-name{color:#fff;font-size:13px;font-weight:700}.duo-tier-desc{color:#94a3b8;font-size:11px}.duo-tier-val{color:#f87171;font-size:15px;font-weight:800}.duo-current-multiplier-box{color:#fbbf24;background:#f59e0b1f;border:1px solid #f59e0b4d;border-radius:12px;justify-content:space-between;align-items:center;padding:12px 16px;font-size:13px;display:flex}.duo-modal-footer{background:#18181b;border-top:1px solid #ffffff14;padding:18px 24px}.duo-modal-btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#10b981 0%,#059669 100%);border:none;border-radius:14px;width:100%;padding:14px;font-size:15px;font-weight:700;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 16px #10b9814d}.duo-modal-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b98166}