.tab-bar{background:var(--tab-bar-bg);border-top:1px solid var(--border-color);padding:8px 0;padding-bottom:calc(8px + var(--app-safe-bottom));z-index:100;-webkit-backdrop-filter:blur(20px);justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tab-bar__item{color:var(--text-hint);flex-direction:column;align-items:center;gap:3px;min-width:60px;padding:4px 12px;text-decoration:none;transition:color .15s;display:flex}.tab-bar__item span{font-size:10px;font-weight:500}.tab-bar__item--active{color:var(--arbi-exchange-300)}.tab-bar__item svg{width:24px;height:24px}.home{padding-bottom:80px}.home__hero{background:var(--arbi-exchange-gradient);padding:24px 20px 32px;padding-top:calc(24px + var(--app-safe-top));color:#fff;text-align:center}.home__greeting{opacity:.7;margin-bottom:16px;font-size:14px}.home__balance-label{opacity:.7;margin-bottom:8px;font-size:13px}.home__balance{letter-spacing:-.5px;margin-bottom:4px;font-size:40px;font-weight:700}.home__wallet-label{opacity:.6;font-size:13px}.home__actions{justify-content:space-around;gap:8px;padding:20px 16px;display:flex}.home__action{cursor:pointer;color:var(--text-primary);background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:6px;font-size:11px;font-weight:500;display:flex}.home__action-icon{color:#fff;border-radius:16px;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.home__action-icon--deposit{background:#027759}.home__action-icon--exchange{background:#456aef}.home__action-icon--withdraw{background:#9563c2}.home__action-icon--support{background:#61a0d2}.home__section{padding:0 16px 16px}.home__section-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:16px 0 8px;font-size:13px;font-weight:500}.home__currency-icon{justify-content:center;align-items:center;width:40px;height:40px;margin-right:12px;font-size:24px;display:flex}.home__currency-info{text-align:left;flex:1}.home__currency-name{font-size:15px;font-weight:600}.home__currency-usd{color:var(--text-secondary);font-size:13px}.home__currency-amount{font-size:15px;font-weight:500}.home__rates{overflow:hidden}.home__rates-loading{justify-content:center;padding:24px;display:flex}.home__rates-header{color:var(--text-secondary);border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.04em;grid-template-columns:2fr 1fr 1fr 1fr;padding:10px 16px;font-size:11px;font-weight:500;display:grid}.home__rate-row{border:none;border-bottom:1px solid var(--border-color);cursor:pointer;color:var(--text-primary);text-align:left;background:0 0;grid-template-columns:2fr 1fr 1fr 1fr;width:100%;padding:12px 16px;font-size:13px;display:grid}.home__rate-row:last-of-type{border-bottom:none}.home__rate-pair{font-weight:600}.home__exchange-btn{background:var(--arbi-exchange-gradient);color:#fff;cursor:pointer;border:none;border-radius:12px;width:calc(100% - 32px);margin:12px 16px;padding:14px;font-size:15px;font-weight:600}.home__history-btn{cursor:pointer;width:100%;color:var(--text-secondary);background:var(--bg-card);border:none;justify-content:space-between;align-items:center;padding:16px;font-size:14px;display:flex}.header{padding:12px 16px;padding-top:calc(12px + var(--app-safe-top));background:var(--bg-primary);z-index:50;justify-content:space-between;align-items:center;min-height:56px;display:flex;position:sticky;top:0}.header__left,.header__right{align-items:center;width:40px;display:flex}.header__right{justify-content:flex-end}.header__title{color:var(--text-primary);text-align:center;flex:1;font-size:17px;font-weight:600}.header__back{cursor:pointer;color:var(--arbi-exchange-300);background:0 0;border:none;align-items:center;padding:4px;display:flex}.exchange__direction{margin:16px;padding:4px 0;position:relative}.exchange__currency-block{padding:16px}.exchange__currency-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;font-size:12px;font-weight:500}.exchange__currency-row{align-items:center;gap:12px;display:flex}.exchange__currency-select{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;border-radius:10px;outline:none;min-width:90px;padding:10px 12px;font-size:16px;font-weight:700}.exchange__amount{color:var(--text-primary);text-align:right;background:0 0;border:none;outline:none;flex:1;font-size:28px;font-weight:700}.exchange__amount--result{color:var(--arbi-exchange-300);justify-content:flex-end;align-items:center;display:flex}.exchange__swap{background:var(--bg-primary);border:2px solid var(--border-color);cursor:pointer;width:36px;height:36px;color:var(--arbi-exchange-300);z-index:2;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.exchange__rate-info{color:var(--text-secondary);text-align:center;padding:8px 16px;font-size:13px}.exchange__actions,.exchange__delivery-list{flex-direction:column;gap:10px;padding:16px;display:flex}.exchange__delivery-item{background:var(--bg-card);border:2px solid var(--border-color);cursor:pointer;text-align:left;color:var(--text-primary);border-radius:14px;justify-content:space-between;align-items:center;padding:16px;transition:border-color .15s;display:flex}.exchange__delivery-item--active{border-color:var(--arbi-exchange-300)}.exchange__delivery-name{margin-bottom:2px;font-size:15px;font-weight:600}.exchange__delivery-hint{color:var(--text-secondary);font-size:12px}.exchange__radio{border:2px solid var(--border-color);border-radius:50%;flex-shrink:0;width:20px;height:20px;transition:all .15s}.exchange__radio--checked{border-color:var(--arbi-exchange-300);background:var(--arbi-exchange-300)}.exchange__field{flex-direction:column;gap:8px;padding:0 16px 16px;display:flex}.exchange__field label{color:var(--text-secondary);font-size:13px;font-weight:500}.exchange__field input,.exchange__field textarea{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);resize:none;border-radius:12px;outline:none;padding:12px 14px;font-family:inherit;font-size:15px}.exchange__confirm-card{margin:16px;padding:4px 0;overflow:hidden}.exchange__confirm-row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px;display:flex}.exchange__confirm-row:last-child{border-bottom:none}.exchange__confirm-row span:first-child{color:var(--text-secondary)}.success{text-align:center;flex-direction:column;align-items:center;min-height:100vh;padding:60px 24px 24px;display:flex}.success__icon{background:var(--arbi-exchange-gradient);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:24px;font-size:32px;font-weight:700;display:flex}.success__title{margin-bottom:8px;font-size:24px;font-weight:700}.success__subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:15px}.success__details{width:100%;margin-bottom:24px}.success__row{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px;display:flex}.success__row:last-child{border-bottom:none}.success__row span:first-child{color:var(--text-secondary)}.success__actions{flex-direction:column;gap:10px;width:100%;display:flex}.history__tabs{gap:8px;padding:12px 16px;display:flex}.history__tab{cursor:pointer;background:var(--bg-card);color:var(--text-secondary);border:none;border-radius:10px;flex:1;padding:10px;font-size:14px;font-weight:500;transition:all .15s}.history__tab--active{background:var(--arbi-exchange-300);color:#fff}.history__item{border-bottom:1px solid var(--border-color);align-items:center;gap:12px;padding:14px 16px;display:flex}.history__item:last-child{border-bottom:none}.history__item-icon{width:40px;height:40px;color:var(--arbi-exchange-300);background:#0277591a;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;font-weight:700;display:flex}.history__item-info{flex:1}.history__item-title{font-size:14px;font-weight:600}.history__item-date{color:var(--text-secondary);margin-top:2px;font-size:12px}.history__item-amounts{flex-direction:column;align-items:flex-end;gap:3px;display:flex}.history__item-from{color:var(--text-secondary);font-size:13px}.history__item-to,.history__item-amount--plus{color:var(--arbi-info-success);font-size:14px;font-weight:600}.history__item-amount--minus{color:var(--arbi-info-red);font-size:14px;font-weight:600}.wallet__total-card{background:var(--arbi-wallet-gradient);color:#fff;text-align:center;margin:16px;padding:24px}.wallet__total-label{opacity:.7;margin-bottom:8px;font-size:13px}.wallet__total-amount{margin-bottom:20px;font-size:36px;font-weight:700}.wallet__actions{justify-content:center;gap:10px;display:flex}.wallet__actions button{color:#fff;cursor:pointer;background:#ffffff26;border:1px solid #ffffff40;border-radius:10px;flex:1;padding:10px;font-size:14px;font-weight:500}.wallet__currency-icon{justify-content:center;align-items:center;width:40px;height:40px;margin-right:12px;font-size:24px;display:flex}.wallet__detail-hero{background:var(--arbi-wallet-gradient);color:#fff;text-align:center;padding:32px 20px}.wallet__detail-currency{opacity:.8;margin-bottom:8px;font-size:16px}.wallet__detail-amount{font-size:40px;font-weight:700}.wallet__detail-usd{opacity:.7;margin-bottom:20px;font-size:16px}.wallet__detail-actions{justify-content:center;gap:8px;display:flex}.wallet__detail-actions button{color:#fff;cursor:pointer;background:#ffffff26;border:1px solid #ffffff40;border-radius:10px;padding:10px 16px;font-size:13px;font-weight:500}.deposit__selectors{flex-direction:column;gap:12px;padding:16px;display:flex}.deposit__field{flex-direction:column;gap:6px;display:flex}.deposit__field label{color:var(--text-secondary);font-size:13px;font-weight:500}.deposit__field select{border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);border-radius:12px;outline:none;padding:12px 14px;font-size:15px}.deposit__address-card{flex-direction:column;gap:16px;margin:0 16px;padding:20px;display:flex}.deposit__address-label{color:var(--text-secondary);font-size:13px}.deposit__address{word-break:break-all;background:var(--bg-primary);color:var(--text-primary);border-radius:10px;padding:12px;font-family:monospace;font-size:13px}.deposit__warning{color:var(--arbi-info-orange);text-align:center;background:#ffc34a1a;border-radius:8px;padding:8px;font-size:12px}.profile__hero{background:var(--arbi-exchange-gradient);color:#fff;flex-direction:column;align-items:center;padding:32px 20px 24px;display:flex}.profile__avatar{background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;margin-bottom:12px;font-size:28px;font-weight:700;display:flex;overflow:hidden}.profile__avatar img{object-fit:cover;width:100%;height:100%}.profile__name{margin-bottom:4px;font-size:20px;font-weight:700}.profile__username{opacity:.7;font-size:14px}.profile__level-card{cursor:pointer;color:var(--text-primary);border:none;justify-content:space-between;align-items:center;width:calc(100% - 32px);margin:0 16px;padding:16px;display:flex}.profile__level-info{align-items:center;gap:12px;display:flex}.profile__level-badge{background:var(--arbi-exchange-gradient);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;font-size:13px;font-weight:700;display:flex}.level__hero{background:var(--arbi-exchange-gradient);color:#fff;text-align:center;flex-direction:column;align-items:center;gap:12px;padding:40px 24px;display:flex}.level__badge{background:#fff3;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;font-size:20px;font-weight:700;display:flex}.level__xp{font-size:18px;font-weight:600}.level__progress-bar{background:#fff3;border-radius:4px;width:100%;height:8px;overflow:hidden}.level__progress-fill{background:#fff;border-radius:4px;height:100%;transition:width .5s}.level__next-label{opacity:.7;font-size:13px}.level__reward-badge{background:var(--arbi-exchange-gradient);color:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:700;display:flex}.referral__hero{background:var(--arbi-exchange-gradient);color:#fff;text-align:center;padding:32px 24px}.referral__hero-title{margin-bottom:8px;font-size:22px;font-weight:700}.referral__hero-text{opacity:.8;font-size:14px;line-height:1.5}.referral__stats{gap:8px;padding:16px;display:flex}.referral__stat{background:var(--bg-card);text-align:center;border-radius:14px;flex:1;padding:16px 12px}.referral__stat-value{margin-bottom:4px;font-size:20px;font-weight:700}.referral__stat-label{color:var(--text-secondary);font-size:11px}.referral__link-card{background:var(--bg-card);border-radius:16px;flex-direction:column;gap:12px;padding:16px;display:flex}.referral__link-label{color:var(--text-secondary);font-size:13px}.referral__link{word-break:break-all;background:var(--bg-primary);color:var(--arbi-exchange-300);border-radius:8px;padding:10px;font-family:monospace;font-size:12px}.referral__partner-avatar{background:var(--arbi-exchange-gradient);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:16px;font-weight:700;display:flex}.support__menu{flex-direction:column;gap:10px;padding:16px;display:flex}.support__menu-item{cursor:pointer;color:var(--text-primary);text-align:left;border:none;border-radius:16px;align-items:center;gap:12px;width:100%;padding:16px;display:flex}.support__menu-icon{flex-shrink:0;font-size:28px}.support__menu-item>div{flex:1}.support__unread{background:var(--arbi-info-red);color:#fff;text-align:center;border-radius:10px;min-width:18px;padding:2px 6px;font-size:11px;font-weight:700}.chat{flex-direction:column;height:100vh;display:flex}.chat__messages{flex-direction:column;flex:1;gap:12px;padding:16px 16px 80px;display:flex;overflow-y:auto}.chat__message{flex-direction:column;max-width:80%;display:flex}.chat__message--user{align-self:flex-end;align-items:flex-end}.chat__message--operator{align-self:flex-start;align-items:flex-start}.chat__bubble{border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.5}.chat__message--user .chat__bubble{background:var(--arbi-exchange-300);color:#fff;border-bottom-right-radius:4px}.chat__message--operator .chat__bubble{background:var(--bg-card);color:var(--text-primary);border-bottom-left-radius:4px}.chat__time{color:var(--text-hint);margin-top:3px;padding:0 4px;font-size:11px}.chat__input{padding:12px 16px;padding-bottom:calc(12px + var(--app-safe-bottom));background:var(--bg-secondary);border-top:1px solid var(--border-color);align-items:center;gap:10px;display:flex;position:fixed;bottom:0;left:0;right:0}.chat__input input{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:20px;outline:none;flex:1;padding:10px 14px;font-size:14px}.chat__input button{background:var(--arbi-exchange-300);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.chat__input button:disabled{opacity:.4}.about__hero{background:var(--arbi-exchange-gradient);color:#fff;text-align:center;padding:48px 24px}.about__logo{letter-spacing:-1px;margin-bottom:8px;font-size:32px;font-weight:800}.about__tagline{opacity:.8;font-size:16px}:root{--arbi-carbon-000:#fefefe;--arbi-carbon-100:#e6e6e6;--arbi-carbon-200:#a6a6a6;--arbi-carbon-300:#6c6c6c;--arbi-carbon-400:#464646;--arbi-carbon-500:#282828;--arbi-carbon-600:#161616;--arbi-exchange-100:#e5f5da;--arbi-exchange-200:#c9e0b0;--arbi-exchange-300:#027759;--arbi-exchange-gradient-from:#027759;--arbi-exchange-gradient-to:#002f23;--arbi-exchange-gradient:linear-gradient(180deg, var(--arbi-exchange-gradient-from) 0%, var(--arbi-exchange-gradient-to) 100%);--arbi-wallet-100:#ece6f4;--arbi-wallet-200:#d3bcee;--arbi-wallet-300:#c0a2e6;--arbi-wallet-400:#ba7ae1;--arbi-wallet-500:#9563c2;--arbi-wallet-600:#8355ba;--arbi-wallet-gradient-to:#47255a;--arbi-wallet-gradient:linear-gradient(180deg, var(--arbi-wallet-200) 0%, var(--arbi-wallet-gradient-to) 100%);--arbi-pay-100:#e3edf5;--arbi-pay-200:#b5d3eb;--arbi-pay-500:#61a0d2;--arbi-pay-gradient-to:#254a5a;--arbi-pay-gradient:linear-gradient(180deg, var(--arbi-pay-200) 0%, var(--arbi-pay-gradient-to) 100%);--arbi-info-blue:#456aef;--arbi-info-orange:#ffc34a;--arbi-info-red:#ff3033;--arbi-info-success:#9ddd57;--app-safe-bottom:max(env(safe-area-inset-bottom,0px), var(--tg-safe-area-bottom,0px));--app-safe-top:max(env(safe-area-inset-top,0px), var(--tg-safe-area-top,0px))}[data-tg-theme=dark]{--bg-primary:#181818;--bg-secondary:#242424;--bg-card:#2a2a2a;--text-primary:#fefefe;--text-secondary:#a6a6a6;--text-hint:#6c6c6c;--border-color:#ffffff14;--tab-bar-bg:#1a1a1a}[data-tg-theme=light],:root{--bg-primary:#f5f5f5;--bg-secondary:#fff;--bg-card:#fff;--text-primary:#282828;--text-secondary:#6c6c6c;--text-hint:#a6a6a6;--border-color:#00000014;--tab-bar-bg:#fff}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,sans-serif;font-size:16px;line-height:1.4}#root{flex-direction:column;display:flex}.app{flex-direction:column;height:100%;display:flex;overflow:hidden}.page-content{-webkit-overflow-scrolling:touch;padding-bottom:calc(64px + var(--app-safe-bottom));padding-top:calc(var(--app-safe-top));flex:1;overflow:hidden auto}.page-content--no-tab{padding-bottom:var(--app-safe-bottom)}.card{background:var(--bg-card);border-radius:16px;overflow:hidden}.btn-primary{background:var(--arbi-exchange-gradient);color:#fff;cursor:pointer;border:none;border-radius:14px;width:100%;padding:16px;font-size:16px;font-weight:600;transition:opacity .15s}.btn-primary:active{opacity:.8}.btn-secondary{background:var(--bg-card);width:100%;color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:14px;padding:16px;font-size:16px;font-weight:500}.section-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;padding:16px 16px 8px;font-size:13px;font-weight:500}.list-item{background:var(--bg-card);border-bottom:1px solid var(--border-color);cursor:pointer;align-items:center;padding:14px 16px;transition:background .1s;display:flex}.list-item:last-child{border-bottom:none}.list-item:active{background:var(--border-color)}.amount-input{width:100%;color:var(--text-primary);text-align:center;background:0 0;border:none;outline:none;font-size:32px;font-weight:600}.badge{border-radius:20px;align-items:center;padding:3px 8px;font-size:12px;font-weight:500;display:inline-flex}.badge-success{color:var(--arbi-info-success);background:#9ddd5726}.badge-pending{color:var(--arbi-info-orange);background:#ffc34a26}.badge-error{color:var(--arbi-info-red);background:#ff303326}.spinner{border:2px solid var(--border-color);border-top-color:var(--arbi-exchange-300);border-radius:50%;width:24px;height:24px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px 32px;display:flex}.empty-state__icon{margin-bottom:8px;font-size:48px}.empty-state__title{color:var(--text-primary);font-size:16px;font-weight:600}.empty-state__text{color:var(--text-secondary);font-size:14px}