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a.nav-item{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;color:var(--text-muted);text-decoration:none;transition:all .15s}header.desktop-nav .nav-inner a.nav-item:hover{background:rgba(255,255,255,0.04);color:var(--text-secondary)}header.desktop-nav .nav-inner a.nav-item.active{background:rgba(74,91,112,0.12);color:var(--accent-light)}header.desktop-nav .nav-inner a.nav-item svg{width:18px;height:18px}}nav.bottom-nav{position:fixed;left:12px;right:12px;z-index:50;display:flex;justify-content:space-around;border-radius:16px;border:1px solid var(--border);background:rgba(12,14,18,0.95);padding:8px 4px;backdrop-filter:blur(20px);box-shadow:0 4px 30px rgba(0,0,0,.4)}nav.bottom-nav a{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;padding:8px 4px;border-radius:12px;text-decoration:none;transition:all .15s;color:var(--text-muted);gap:4px}nav.bottom-nav a.active{background:rgba(74,91,112,0.12);color:var(--accent-light)}nav.bottom-nav a svg{width:20px;height:20px}nav.bottom-nav a span{font-size:10px;font-weight:500}@media(min-width:1024px){nav.bottom-nav.hide-desktop{display:none}}.tma-bottom-nav{bottom:calc(12px + var(--safe-bottom))}body:not(.tma-mode) nav.bottom-nav{bottom:calc(12px + var(--safe-bottom))}@media(min-width:1024px){body:not(.tma-mode) nav.bottom-nav{display:none}}.device-tile{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:1px solid var(--border);background:rgba(255,255,255,0.03);color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;transition:all .15s}.device-tile:hover{border-color:var(--border-hover)}.device-tile.active{background:rgba(74,91,112,0.2);border-color:var(--accent);color:#fff}.device-tile.disabled{opacity:.3;cursor:not-allowed}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;max-width:400px;width:100%;backdrop-filter:blur(10px)}.login-grid-container{display:flex;flex-direction:column;gap:20px;width:100%;max-width:400px}.back-btn{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:13px;font-weight:500;cursor:pointer;margin-bottom:20px;transition:color .2s}.back-btn:hover{color:var(--text)}.active-tab{color:var(--accent-light)!important;border-bottom:2px solid var(--accent-light)}#auth-tabs button{background:none;border:none;color:var(--text-muted);font-size:14px;cursor:pointer;padding-bottom:12px;transition:color .2s;border-bottom:2px solid transparent}#auth-tabs button:hover{color:var(--text-secondary)}.topup-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.topup-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:16px 12px;background:rgba(255,255,255,0.02);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .2s;text-align:center}.topup-item:hover{border-color:var(--border-hover);background:var(--card-hover);transform:translateY(-2px)}.topup-item img,.topup-item svg{height:28px;width:auto;border-radius:6px}.topup-item span{font-size:12px;font-weight:600;color:var(--text-secondary)}.history-item{display:flex;align-items:center;justify-content:space-between;padding:14px;border-radius:var(--radius);border:1px solid var(--border);background:rgba(255,255,255,0.02)}.history-item .hi-left{flex:1;min-width:0}.history-item .hi-type{display:flex;align-items:center;gap:8px;margin-bottom:4px}.history-item 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.dev-del{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:pointer;transition:color .15s;flex-shrink:0}.device-item .dev-del:hover{color:var(--red)}.profile-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}.profile-row:last-child{border-bottom:none}.profile-row .pr-label{font-size:13px;color:var(--text-muted)}.profile-row .pr-value{font-size:13px;font-weight:500;color:var(--text)}.identity-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius);border:1px solid var(--border);background:rgba(255,255,255,0.02)}.identity-item .id-icon{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,0.04);display:flex;align-items:center;justify-content:center;padding:8px;flex-shrink:0}.identity-item .id-icon img,.identity-item .id-icon svg{width:100%;height:100%}.identity-item .id-info{flex:1;min-width:0}.identity-item .id-provider{font-size:13px;font-weight:600;color:var(--text)}.identity-item .id-detail{font-size:11px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.identity-item .id-action{font-size:12px;font-weight:500;color:var(--red);cursor:pointer;flex-shrink:0;transition:opacity .15s}.identity-item .id-action:hover{opacity:.7}.tariff-card{transition:all .2s}.tariff-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}.connection-step{display:flex;gap:16px;padding:20px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg)}.connection-step .step-num{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;flex-shrink:0}.connection-step .step-content{flex:1;min-width:0}@media(max-width:480px){.topup-grid{grid-template-columns:repeat(2,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}}