/* Telegram button only: never change page, header, menu or sidebar geometry. */
.rt-telegram-dock{position:fixed;right:calc(10px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));width:68px;display:flex;flex-direction:column;align-items:center;gap:7px;z-index:45;isolation:isolate;text-decoration:none!important;direction:ltr;outline-offset:5px;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.rt-telegram-core{position:relative;display:grid;place-items:center;width:62px;height:66px;border:1px solid #73e5f8;border-radius:18px 7px 18px 7px;background:radial-gradient(ellipse at 45% 30%,#1d5771,#092b42 65%,#051c30);box-shadow:inset 0 0 0 3px #0b314b,inset 0 0 17px #37dfff22,0 6px 15px #0b75912b;transition:transform .2s,border-color .2s,box-shadow .2s}
.rt-telegram-core::before{content:"";position:absolute;inset:5px;border:1px solid #44d1e849;border-radius:13px 4px 13px 4px;pointer-events:none}
.rt-telegram-core::after{content:"";position:absolute;top:9px;left:5px;width:2px;height:10px;border-radius:3px;background:#64eeff;box-shadow:48px 34px #64eeff;animation:rt-tg-signal 3.6s ease-in-out infinite;pointer-events:none}
.rt-telegram-robot{display:block;width:54px;height:54px;filter:drop-shadow(0 1px 3px #001523)}
.rt-telegram-plane{position:absolute;right:-2px;bottom:-3px;width:24px;height:24px;display:grid;place-items:center;border:2px solid #e9fbff;border-radius:8px 3px;background:linear-gradient(135deg,#11cdeb,#008fb9);color:#fff;box-shadow:0 3px 6px #064e7240}
.rt-telegram-plane svg{display:block;width:18px;height:18px}
.rt-telegram-label{display:block;white-space:nowrap;font-family:Arial,sans-serif;font-size:8px;line-height:1.4;font-weight:800;letter-spacing:.55px;color:#17516c;background:#f4fcff;border:1px solid #b6e5ef;border-radius:5px;padding:3px 4px;box-shadow:0 2px 6px #0d678514}
.rt-telegram-label span{color:#007e9f}
.rt-telegram-dock:hover .rt-telegram-core{transform:translateY(-3px);border-color:#0ddafa;box-shadow:inset 0 0 0 3px #0b314b,inset 0 0 20px #37dfff38,0 7px 18px #00a7cd45}
.rt-telegram-dock:focus-visible{outline:3px solid #078aab;border-radius:15px}
@keyframes rt-tg-signal{0%,100%{opacity:.55}50%{opacity:1}}
@media(max-width:720px){.rt-telegram-dock{right:calc(7px + env(safe-area-inset-right,0px));bottom:calc(12px + env(safe-area-inset-bottom,0px));width:56px;gap:6px}.rt-telegram-core{width:52px;height:56px;border-radius:15px 6px 15px 6px}.rt-telegram-robot{width:46px;height:46px}.rt-telegram-core::after{box-shadow:38px 24px #64eeff}.rt-telegram-plane{width:21px;height:21px}.rt-telegram-plane svg{width:15px;height:15px}.rt-telegram-label{font-size:7px;letter-spacing:.2px;padding:3px}.rt-telegram-dock:hover .rt-telegram-core{transform:none}}
@media(prefers-reduced-motion:reduce){.rt-telegram-core::after{animation:none}.rt-telegram-core{transition:none}}
@media print{.rt-telegram-dock{display:none}}

/* Hide only the floating button while a menu, notice or form field needs space. */
body:has(.sidebar.open) .rt-telegram-dock,body:has(.toast) .rt-telegram-dock,body:has(dialog[open]) .rt-telegram-dock{visibility:hidden;pointer-events:none}
@media(max-width:980px){body:has(input:focus,textarea:focus,select:focus,.language-menu[open]) .rt-telegram-dock{visibility:hidden;pointer-events:none}}