.bd-floating-assistant{position:fixed;right:18px;bottom:22px;z-index:99999;direction:rtl;font-family:inherit;filter:drop-shadow(0 8px 32px rgba(10,26,52,.22))}.bd-floating-actions{position:absolute;right:0;bottom:72px;display:grid;gap:8px;max-height:min(72vh, 440px);overflow-y:auto;scrollbar-width:none;opacity:0;transform:translateY(14px) scale(.96);pointer-events:none;transition:opacity 0.26s cubic-bezier(.22,1,.36,1),transform 0.26s cubic-bezier(.22,1,.36,1)}.bd-floating-actions::-webkit-scrollbar{display:none}.bd-floating-assistant.is-open .bd-floating-actions{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.bd-floating-action-btn{border:1px solid rgba(255,255,255,.5);background:linear-gradient(135deg,rgba(255,255,255,.34),rgba(240,248,255,.18));backdrop-filter:blur(20px) saturate(170%);-webkit-backdrop-filter:blur(20px) saturate(170%);border-radius:18px;color:#0f1e38;box-shadow:0 16px 32px rgba(12,27,55,.22),0 2px 8px rgba(12,27,55,.1);min-width:200px;height:54px;display:flex;align-items:center;justify-content:flex-start;gap:11px;padding:0 16px 0 12px;cursor:pointer;font-weight:700;font-size:13px;font-family:inherit;transition:transform 0.24s cubic-bezier(.22,1,.36,1),box-shadow 0.24s ease,background 0.18s ease;text-align:right;position:relative;white-space:nowrap}.bd-floating-action-btn:hover{transform:translateX(-3px);box-shadow:0 20px 40px rgba(12,27,55,.3),0 4px 12px rgba(12,27,55,.12);background:linear-gradient(135deg,rgba(255,255,255,.48),rgba(240,248,255,.28))}.bd-floating-action-btn.has-unread{border-color:rgba(83,124,185,.55);box-shadow:0 18px 34px rgba(29,73,139,.22)}.bd-floating-action-btn.has-unread-pulse::after{content:'';position:absolute;inset:-4px;border-radius:20px;border:2px solid rgba(61,113,196,.24);animation:bdFloatingUnreadPulse 1.8s ease-out infinite;pointer-events:none}.bd-floating-action-badge{min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:linear-gradient(135deg,#2f6fe5,#1f58c6);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;line-height:1;margin-inline-start:auto;box-shadow:0 10px 18px rgba(31,88,198,.28)}@keyframes bdFloatingUnreadPulse{0%{opacity:0;transform:scale(.96)}30%{opacity:1}100%{opacity:0;transform:scale(1.08)}}.bd-floating-action-icon{width:32px;height:32px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.5);border:1px solid rgba(255,255,255,.6);box-shadow:0 4px 10px rgba(12,27,55,.1);flex-shrink:0;transition:background 0.18s ease}.bd-floating-action-btn:hover .bd-floating-action-icon{background:rgba(255,255,255,.68)}.bd-floating-action-icon svg{width:17px;height:17px;display:block}.bd-floating-main-btn{width:62px;height:62px;border-radius:20px;border:1px solid rgba(255,255,255,.56);background:linear-gradient(145deg,rgba(255,255,255,.36),rgba(230,244,255,.16));backdrop-filter:blur(22px) saturate(170%);-webkit-backdrop-filter:blur(22px) saturate(170%);color:#0f2645;cursor:pointer;box-shadow:0 20px 40px rgba(16,40,78,.28),0 4px 12px rgba(16,40,78,.14),inset 0 1px 2px rgba(255,255,255,.6);display:inline-flex;align-items:center;justify-content:center;font-family:inherit;transition:transform 0.28s cubic-bezier(.22,1,.36,1),box-shadow 0.24s ease;position:relative}.bd-floating-main-btn::before{content:'';position:absolute;inset:-5px;border-radius:25px;border:1.5px solid rgba(63,128,230,.18);animation:bdFloatingRingPulse 2.5s ease-in-out infinite;pointer-events:none}@keyframes bdFloatingRingPulse{0%,100%{opacity:0;transform:scale(1)}50%{opacity:1;transform:scale(1.05)}}.bd-floating-main-btn:hover{box-shadow:0 24px 48px rgba(16,40,78,.36),0 6px 16px rgba(16,40,78,.18);transform:translateY(-1px)}.bd-floating-main-btn svg{width:28px;height:28px;display:block;transition:transform 0.28s cubic-bezier(.22,1,.36,1)}.bd-floating-assistant.is-open .bd-floating-main-btn{transform:rotate(45deg);box-shadow:0 16px 32px rgba(16,40,78,.22)}.bd-leitner-modal{position:fixed;inset:0;z-index:100000;display:none}.bd-leitner-modal.is-open{display:block}.bd-leitner-modal-backdrop{position:absolute;inset:0;background:rgba(7,12,22,.42);backdrop-filter:blur(4px)}.bd-leitner-modal-card{position:absolute;right:20px;bottom:96px;width:min(92vw, 430px);border-radius:22px;border:1px solid rgba(255,255,255,.45);background:linear-gradient(160deg,rgba(255,255,255,.48),rgba(255,255,255,.2));box-shadow:0 30px 55px rgba(9,21,44,.32);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);padding:16px;color:#101a2f}.bd-leitner-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}.bd-leitner-title{margin:0;font-size:16px;font-weight:800}.bd-leitner-subtitle{margin:4px 0 0;color:#364564;font-size:12px;line-height:1.55}.bd-leitner-close{border:0;width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.52);cursor:pointer;color:#102743;font-size:19px}.bd-leitner-input-row{display:grid;grid-template-columns:1fr auto;gap:8px}.bd-leitner-mode-wrap{margin-bottom:8px;display:grid;gap:4px}.bd-leitner-mode-label{font-size:12px;color:#34486a;font-weight:700}.bd-leitner-mode-select{height:38px;border:1px solid rgba(15,34,65,.16);border-radius:11px;padding:0 10px;background:rgba(255,255,255,.74);color:#0d1f3b;font-size:13px;font-family:inherit}.bd-leitner-input{height:44px;border:1px solid rgba(15,34,65,.16);border-radius:13px;padding:0 12px;background:rgba(255,255,255,.74);color:#0d1f3b;font-size:14px}.bd-leitner-primary-btn,.bd-leitner-secondary-btn{border:0;border-radius:13px;padding:0 14px;font-weight:700;cursor:pointer;font-family:inherit}.bd-leitner-primary-btn{background:linear-gradient(135deg,#1f8f7a,#1d6ce0);color:#fff;height:44px}.bd-leitner-secondary-btn{height:42px;background:rgba(255,255,255,.68);color:#143156;border:1px solid rgba(17,45,84,.2)}.bd-leitner-status{min-height:21px;margin:10px 2px 8px;font-size:12px;color:#1b4f97}.bd-leitner-status.is-error{color:#b72f57}.bd-leitner-status.is-success{color:#0f8b5f}.bd-leitner-result-list{display:grid;gap:8px;max-height:44vh;overflow:auto;padding:2px}.bd-leitner-result-card{border:1px solid rgba(18,42,76,.14);border-radius:14px;background:rgba(255,255,255,.68);padding:10px;cursor:pointer;transition:all 0.2s ease}.bd-leitner-result-card.is-selected{border-color:rgba(32,124,235,.58);box-shadow:0 0 0 2px rgba(37,126,241,.2)}.bd-leitner-result-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.bd-leitner-word{font-size:15px;font-weight:800;color:#102341}.bd-leitner-meaning{margin-top:4px;font-size:13px;color:#32435f}.bd-leitner-meta{margin-top:6px;display:grid;gap:4px}.bd-leitner-meta-row{font-size:12px;color:#223a5f;line-height:1.5;text-align:right}.bd-leitner-meta-label{font-weight:700;margin-left:4px}.bd-leitner-meta-value{font-weight:500}.bd-leitner-example{margin-top:6px;font-size:12px;color:#3c5d8d;direction:ltr;text-align:left}.bd-leitner-foot{margin-top:12px;display:flex;justify-content:flex-end;gap:8px}body.bd-floating-chatroom-is-open{overflow:hidden}.bd-floating-chatroom-modal{position:fixed;inset:0;z-index:100001;display:none;opacity:0;transition:opacity 0.22s ease}.bd-floating-chatroom-modal.is-open{display:block;opacity:1}.bd-floating-chatroom-backdrop{position:absolute;inset:0;background:rgba(7,12,22,.52);backdrop-filter:blur(14px) saturate(130%);-webkit-backdrop-filter:blur(14px) saturate(130%)}.bd-floating-chatroom-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(96vw, 1380px);height:min(94vh, 960px);border-radius:30px;overflow:hidden;border:1px solid rgba(255,255,255,.38);background:linear-gradient(160deg,rgba(247,250,255,.95),rgba(235,245,255,.88));box-shadow:0 40px 100px rgba(10,26,52,.36),0 8px 24px rgba(10,26,52,.16);display:grid;grid-template-rows:auto minmax(0,1fr);animation:bdFloatingChatroomEnter 0.3s cubic-bezier(.22,1,.36,1)}@keyframes bdFloatingChatroomEnter{from{opacity:0;transform:translate(-50%,calc(-50% + 18px)) scale(.976)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.bd-floating-chatroom-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;border-bottom:1px solid rgba(183,206,236,.4);background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(247,252,255,.78));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.bd-floating-chatroom-head-actions{display:flex;align-items:center;gap:6px}.bd-floating-chatroom-head-copy{display:grid;gap:3px}.bd-floating-chatroom-head-copy strong{font-size:1rem;font-weight:800;color:#0f2644;letter-spacing:-.01em}.bd-floating-chatroom-head-copy span{font-size:.76rem;color:#5a7599}.bd-floating-chatroom-close,.bd-floating-chatroom-minimize{width:38px;height:38px;border:1px solid rgba(175,200,232,.4);border-radius:12px;background:rgba(255,255,255,.72);color:#2a4e7a;font-size:20px;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background 0.18s ease,border-color 0.18s ease,transform 0.18s ease}.bd-floating-chatroom-close:hover{background:rgba(255,236,238,.9);border-color:rgba(225,155,160,.5);color:#a83a40;transform:scale(1.08)}.bd-floating-chatroom-minimize:hover{background:rgba(235,245,255,.9);border-color:rgba(155,190,235,.6);transform:scale(1.08)}.bd-floating-chatroom-shell{display:flex;height:100%;min-height:0;overflow:hidden}.bd-floating-chatroom-shell>.bd-chatroom{flex:1 1 auto;min-height:0}.bd-floating-chatroom-modal.is-minimized{display:block;opacity:1;pointer-events:none}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-backdrop,.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-shell,.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-head-copy span{display:none}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-panel{pointer-events:auto;width:auto;height:auto;min-width:220px;left:auto;right:18px;top:auto;bottom:94px;transform:none;border-radius:20px;grid-template-rows:auto;box-shadow:0 24px 50px rgba(10,26,52,.26)}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-head{border-bottom:0;padding:12px 14px}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-head-copy{gap:0}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-head-copy strong{font-size:.9rem}.bd-floating-chatroom-shell .bd-chatroom{width:100%;height:100%;min-height:0;margin:0;padding:12px;gap:12px}.bd-floating-chatroom-shell .bd-chatroom-layout,.bd-floating-chatroom-shell .bd-chatroom-sidebar,.bd-floating-chatroom-shell .bd-chatroom-main{min-height:0;max-height:none;height:100%}.bd-floating-chatroom-shell .bd-chatroom-thread-list,.bd-floating-chatroom-shell .bd-chatroom-messages{min-height:0;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-y:contain;touch-action:pan-y}.bd-floating-chatroom-shell .bd-chatroom-header,.bd-floating-chatroom-shell .bd-chatroom-guidance,.bd-floating-chatroom-shell .bd-chatroom-policy-note,.bd-floating-chatroom-shell .bd-chatroom-dashboard-strip,.bd-floating-chatroom-shell .bd-chatroom-header-actions,.bd-floating-chatroom-shell .bd-chatroom-sidebar-head span{display:none}.bd-floating-chatroom-shell .bd-chatroom{grid-template-rows:minmax(0,1fr)}.bd-floating-chatroom-shell .bd-chatroom-layout{grid-template-columns:minmax(250px,310px) minmax(0,1fr);gap:10px}.bd-floating-chatroom-shell .bd-chatroom-sidebar{padding:12px;grid-template-rows:auto auto minmax(0,1fr)}.bd-floating-chatroom-shell .bd-chatroom-sidebar-head{padding:0}.bd-floating-chatroom-shell .bd-chatroom-sidebar-head strong{font-size:.9rem}.bd-floating-chatroom-shell .bd-chatroom-filter-row{gap:6px}.bd-floating-chatroom-shell .bd-chatroom-pill,.bd-floating-chatroom-shell .bd-chatroom-btn{min-height:38px}.bd-floating-chatroom-shell .bd-chatroom-main{border-radius:20px;min-height:0;height:100%;overflow:hidden}.bd-floating-chatroom-shell .bd-chatroom-topbar{grid-template-columns:minmax(0,1fr);padding:10px 12px;gap:10px}.bd-floating-chatroom-shell .bd-chatroom-thread-avatar{width:42px;height:42px;border-radius:14px}.bd-floating-chatroom-shell .bd-chatroom-thread-summary strong{font-size:.92rem}.bd-floating-chatroom-shell .bd-chatroom-topbar-actions{gap:8px}.bd-floating-chatroom-shell .bd-chatroom-action-group{gap:6px}.bd-floating-chatroom-shell .bd-chatroom.is-admin-view .bd-chatroom-main{height:100%;min-height:0;overflow:hidden;display:flex;flex-direction:column}.bd-floating-chatroom-shell .bd-chatroom.is-admin-view .bd-chatroom-messages{flex:1 1 auto;min-height:0;overflow-y:auto;padding:12px 12px calc(var(--bd-mobile-composer-space, 120px) + 16px)}.bd-floating-chatroom-shell .bd-chatroom.is-admin-view .bd-chatroom-composer{position:relative;bottom:auto;z-index:auto;flex:0 0 auto}.bd-floating-chatroom-shell .bd-chatroom-messages{min-height:0;padding:12px;gap:10px}.bd-floating-chatroom-shell .bd-chatroom-message{max-width:min(88%, 760px)}.bd-floating-chatroom-shell .bd-chatroom-composer{padding:10px 12px;border-top:1px solid rgba(188,207,235,.32);border-radius:0;border-inline:0;border-bottom:0;background:linear-gradient(180deg,rgba(252,253,255,.95),rgba(245,249,255,.9))}.bd-floating-chatroom-shell .bd-chatroom-compose-row{align-items:end}.bd-floating-chatroom-shell .bd-chatroom-compose-row textarea{min-height:48px;max-height:160px}.bd-floating-chatroom-shell .bd-chatroom-files,.bd-floating-chatroom-shell .bd-chatroom-pinned,.bd-floating-chatroom-shell .bd-chatroom-typing,.bd-floating-chatroom-shell .bd-chatroom-call-panel,.bd-floating-chatroom-shell .bd-chatroom-screen-panel{margin-inline:12px;margin-top:10px}@media (max-width:640px){.bd-floating-assistant{right:14px;bottom:16px}.bd-leitner-modal-card{right:10px;left:10px;width:auto;bottom:82px}.bd-floating-action-btn{min-width:168px}.bd-floating-chatroom-panel{inset:8px;width:auto;height:auto;transform:none;left:8px;top:8px;border-radius:22px}.bd-floating-chatroom-head{padding:14px 16px}.bd-floating-chatroom-modal.is-minimized .bd-floating-chatroom-panel{right:10px;bottom:82px;min-width:190px}.bd-floating-chatroom-shell .bd-chatroom{padding:8px}.bd-floating-chatroom-shell .bd-chatroom-layout{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr);min-height:0;height:100%}.bd-floating-chatroom-shell .bd-chatroom.is-admin-view .bd-chatroom-layout{grid-template-rows:minmax(160px,34vh) minmax(0,1fr)}.bd-floating-chatroom-shell .bd-chatroom.is-admin-view .bd-chatroom-sidebar{display:grid!important;grid-template-rows:auto auto minmax(0,1fr);max-height:min(34vh, 260px);min-height:0;padding:10px;gap:8px}.bd-floating-chatroom-shell .bd-chatroom.is-user-view .bd-chatroom-sidebar{display:none!important}.bd-floating-chatroom-shell .bd-chatroom-main{min-height:0;height:100%;overflow:hidden}.bd-floating-chatroom-shell .bd-chatroom-filter-row,.bd-floating-chatroom-shell .bd-chatroom-search-inline,.bd-floating-chatroom-shell [data-chatroom-call-toggle],.bd-floating-chatroom-shell [data-chatroom-load-files],.bd-floating-chatroom-shell [data-chatroom-screen-toggle],.bd-floating-chatroom-shell [data-chatroom-archive-thread],.bd-floating-chatroom-shell .bd-chatroom-topbar,.bd-floating-chatroom-shell .bd-chatroom-guidance,.bd-floating-chatroom-shell .bd-chatroom-policy-note,.bd-floating-chatroom-shell .bd-chatroom-pinned,.bd-floating-chatroom-shell .bd-chatroom-typing,.bd-floating-chatroom-shell .bd-chatroom-dashboard-strip{display:none!important}.bd-floating-chatroom-shell .bd-chatroom-action-group-primary,.bd-floating-chatroom-shell .bd-chatroom-action-group-secondary{display:none!important}.bd-floating-chatroom-shell .bd-chatroom-action-group{display:none!important}.bd-floating-chatroom-shell .bd-chatroom-messages{padding:10px 10px calc(var(--bd-mobile-composer-space, 164px) + 18px + env(safe-area-inset-bottom));min-height:0;overflow-y:auto}.bd-floating-chatroom-shell .bd-chatroom-message{max-width:94%}.bd-floating-chatroom-shell .bd-chatroom-composer{padding:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}.bd-floating-chatroom-shell .bd-chatroom-compose-actions{width:100%;display:grid;grid-template-columns:auto auto auto minmax(92px,1fr)}}.bd-floating-main-btn:focus-visible,.bd-floating-action-btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(51,144,236,.3),0 16px 32px rgba(12,27,55,.22)}@media (prefers-reduced-motion:reduce){.bd-floating-actions,.bd-floating-action-btn,.bd-floating-main-btn{transition:none!important;animation:none!important}.bd-floating-action-btn:hover{transform:none}}