body:has(.chat-page-shell[data-mode]),body:has(.chat-page-shell[data-mode]) .app-main{--accent:#34c759;--accent-strong:#248a3d;--accent-soft:#e9f8ee;--accent-stroke:rgba(52,199,89,0.22);--selected-fill:#e9f8ee;--selected-stroke:rgba(52,199,89,0.22);--page-background:#ffffff;background:#ffffff}.chat-page-shell[data-mode]{--mode-accent:#34c759;--mode-accent-strong:#248a3d;--mode-accent-soft:#e9f8ee;--mode-accent-stroke:rgba(52,199,89,0.22);background:#ffffff;color:#17211b}body:has(.chat-page-shell[data-mode]) .sidebar{border-right:1px solid #e4ebe6;background:#ffffff;box-shadow:none}body:has(.chat-page-shell[data-mode]) .sidebar-link{color:#65716a}body:has(.chat-page-shell[data-mode]) .sidebar-link:hover{background:#f4f7f5;color:#17211b}body:has(.chat-page-shell[data-mode]) .sidebar-link-active,body:has(.chat-page-shell[data-mode]) .sidebar-link-active:hover{background:#e9f8ee;color:#248a3d;box-shadow:none}body:has(.chat-page-shell[data-mode]) .sidebar-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(52,199,89,.22)}.chat-page-shell[data-mode] .chat-page-topbar{min-height:72px;padding:12px clamp(18px,2.6vw,30px);border-bottom:1px solid #e4ebe6;background:#ffffff;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.chat-page-shell[data-mode] .chat-page-title{color:#17211b;font-size:1.05rem;font-weight:850;letter-spacing:0}.chat-page-shell[data-mode] .chat-history-filter-trigger,.chat-page-shell[data-mode] .chat-nav-toggle,.chat-page-shell[data-mode] .chat-page-back,.chat-page-shell[data-mode] .chat-page-leading-button,.chat-page-shell[data-mode] .chat-page-session-rail-button{min-height:44px;border:1px solid #e4ebe6;border-radius:16px;background:#ffffff;color:#17211b;box-shadow:none}.chat-page-shell[data-mode] .chat-history-filter-trigger.is-open,.chat-page-shell[data-mode] .chat-history-filter-trigger:focus-visible,.chat-page-shell[data-mode] .chat-history-filter-trigger:hover,.chat-page-shell[data-mode] .chat-page-back:focus-visible,.chat-page-shell[data-mode] .chat-page-back:hover,.chat-page-shell[data-mode] .chat-page-leading-button:focus-visible,.chat-page-shell[data-mode] .chat-page-leading-button:hover,.chat-page-shell[data-mode] .chat-page-session-rail-button:focus-visible,.chat-page-shell[data-mode] .chat-page-session-rail-button:hover{border-color:rgba(52,199,89,.28);background:#e9f8ee;color:#248a3d;outline:none}.chat-page-shell[data-mode] .chat-page-plus{width:46px;height:46px;border:0;border-radius:999px;background:#34c759;color:#ffffff;box-shadow:none}.chat-page-shell[data-mode] .chat-page-plus:focus-visible,.chat-page-shell[data-mode] .chat-page-plus:hover{background:#248a3d;color:#ffffff;outline:none;box-shadow:none}.chat-page-shell[data-mode] .chat-page-content-index{background:#ffffff;background-image:none}.chat-learning-index{width:min(1180px,calc(100% - 64px));margin:0 auto;padding:clamp(28px,4vh,40px) 0 80px;display:grid;grid-gap:34px;gap:34px}.chat-learning-hero{min-height:auto;display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.chat-learning-hero>div{min-width:0}.chat-learning-kicker{color:#248a3d;font-size:.82rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.chat-learning-hero h1{margin:12px 0 0;color:#17211b;font-size:clamp(2.6rem,6vw,4.45rem);font-weight:850;line-height:.98;letter-spacing:0}.chat-learning-hero p{max-width:42rem;margin:16px 0 0;color:#65716a;font-size:1.08rem;line-height:1.55}.chat-page-shell[data-mode] .chat-session-index{width:100%;margin:0;padding:0;display:grid;grid-gap:18px;gap:18px}.chat-page-shell[data-mode] .chat-session-index-header{margin:0;gap:12px}.chat-page-shell[data-mode] .chat-session-index-header h2{color:#17211b;font-size:clamp(1.18rem,2vw,1.48rem);font-weight:850;line-height:1.14;letter-spacing:0}.chat-page-shell[data-mode] .chat-session-card-icon,.chat-page-shell[data-mode] .chat-session-index-empty-icon,.chat-page-shell[data-mode] .chat-session-index-icon,.chat-page-shell[data-mode] .chat-session-rail-icon{border:0;background:#e9f8ee;color:#248a3d;box-shadow:none}.chat-page-shell[data-mode] .chat-session-index-list{min-height:auto;display:grid;grid-gap:10px;gap:10px;padding:12px;border:1px solid #e4ebe6;border-radius:24px;background:#ffffff;box-shadow:none;overflow:visible}.chat-page-shell[data-mode] .chat-session-index-row{grid-template-columns:50px minmax(0,1fr) auto;gap:16px;min-height:84px;padding:15px 16px;border:0;border-radius:18px;background:#f4f7f5;box-shadow:none;transition:background-color .2s ease,outline-color .2s ease}.chat-page-shell[data-mode] .chat-session-index-row+.chat-session-index-row{margin-top:0}.chat-page-shell[data-mode] .chat-session-index-row:focus-visible,.chat-page-shell[data-mode] .chat-session-index-row:hover{background:#ffffff;outline:1px solid rgba(52,199,89,.18);box-shadow:none;transform:none}.chat-page-shell[data-mode] .chat-session-index-icon{width:50px;height:50px;border-radius:16px}.chat-page-shell[data-mode] .chat-session-index-copy{gap:5px}.chat-page-shell[data-mode] .chat-session-index-copy strong{color:#17211b;font-size:clamp(1.02rem,1.4vw,1.18rem);font-weight:400;line-height:1.2;letter-spacing:0}.chat-page-shell[data-mode] .chat-session-count,.chat-page-shell[data-mode] .chat-session-index-copy span,.chat-page-shell[data-mode] .chat-session-time{color:#65716a;font-size:.88rem;font-weight:700}.chat-page-shell[data-mode] .chat-session-index-progress{display:grid;grid-template-columns:auto;justify-items:end;grid-gap:8px;gap:8px;min-width:76px}.chat-page-shell[data-mode] .chat-session-accuracy{min-width:62px;min-height:30px;padding:4px 10px;border-radius:999px;background:#e9f8ee;color:#248a3d;font-size:.94rem;font-weight:850}.chat-page-shell[data-mode] .chat-session-accuracy-good{background:#e9f8ee;color:#248a3d}.chat-page-shell[data-mode] .chat-session-accuracy-warn{background:rgba(255,149,0,.12);color:#b65f00}.chat-page-shell[data-mode] .chat-session-accuracy-bad{background:rgba(255,59,48,.1);color:#c62828}.chat-page-shell[data-mode] .chat-session-accuracy-muted{background:#f4f7f5;color:#65716a}.chat-page-shell[data-mode] .chat-session-index-empty{min-height:280px;border:1px solid #e4ebe6;border-radius:24px;background:#f4f7f5;color:#65716a;box-shadow:none}.chat-page-shell[data-mode] .chat-session-index-empty strong{color:#17211b}.chat-page-shell[data-mode] .chat-mobile-session-load-more,.chat-page-shell[data-mode] .chat-session-load-more,.chat-page-shell[data-mode] .chat-session-rail-load-more{border:1px solid #e4ebe6;background:#ffffff;color:#248a3d;box-shadow:none}.chat-page-shell[data-mode] .chat-mobile-session-load-more:focus-visible,.chat-page-shell[data-mode] .chat-mobile-session-load-more:hover,.chat-page-shell[data-mode] .chat-session-load-more:focus-visible,.chat-page-shell[data-mode] .chat-session-load-more:hover,.chat-page-shell[data-mode] .chat-session-rail-load-more:focus-visible,.chat-page-shell[data-mode] .chat-session-rail-load-more:hover{border-color:rgba(52,199,89,.28);background:#e9f8ee;outline:none;transform:none}.chat-page-shell[data-mode] .chat-history-filter-menu{border:1px solid #e4ebe6;background:#ffffff;box-shadow:0 14px 34px rgba(18,38,26,.08)}.chat-page-shell[data-mode] .chat-history-filter-option.selected,.chat-page-shell[data-mode] .chat-history-filter-option:focus-visible,.chat-page-shell[data-mode] .chat-history-filter-option:hover{background:#e9f8ee;color:#248a3d}.chat-page-shell[data-mode] .chat-page-content-detail{background:#ffffff}.chat-page-shell[data-mode] .chat-session-rail{border-right:1px solid #e4ebe6;background:#ffffff;box-shadow:none}.chat-page-shell[data-mode] .chat-session-card{background:#f4f7f5;box-shadow:none}.chat-page-shell[data-mode] .chat-session-card:focus-visible,.chat-page-shell[data-mode] .chat-session-card:hover{background:#ffffff;outline:1px solid rgba(52,199,89,.18);box-shadow:none}.chat-page-shell[data-mode] .chat-session-card-active,.chat-page-shell[data-mode] .chat-session-card-active:focus-visible,.chat-page-shell[data-mode] .chat-session-card-active:hover{background:#e9f8ee;color:#248a3d;outline:none;box-shadow:none}@media (max-width:960px){.chat-learning-index{width:min(760px,calc(100% - 32px));padding:34px 0 56px;gap:28px}.chat-learning-hero{min-height:auto;align-items:flex-start}.chat-learning-hero h1{font-size:clamp(2.1rem,9vw,3.1rem)}.chat-page-shell[data-mode] .chat-session-index-row{grid-template-columns:46px minmax(0,1fr) auto;gap:14px}.chat-page-shell[data-mode] .chat-session-index-icon{width:46px;height:46px}}@media (max-width:520px){.chat-page-shell[data-mode] .chat-page-topbar{min-height:64px;padding:10px 14px}.chat-learning-index{width:calc(100% - 24px);padding:28px 0 44px;gap:22px}.chat-learning-kicker{font-size:.72rem}.chat-learning-hero h1{font-size:clamp(1.9rem,12vw,2.55rem)}.chat-learning-hero p{font-size:.96rem}.chat-page-shell[data-mode] .chat-session-index-list{padding:8px;border-radius:20px}.chat-page-shell[data-mode] .chat-session-index-row{grid-template-columns:42px minmax(0,1fr);align-items:start;padding:14px}.chat-page-shell[data-mode] .chat-session-index-icon{width:42px;height:42px;border-radius:14px}.chat-page-shell[data-mode] .chat-session-index-progress{grid-column:2;justify-self:start;justify-items:start}}:root[data-theme=dark] body:has(.chat-page-shell[data-mode]),:root[data-theme=dark] body:has(.chat-page-shell[data-mode]) .app-main{--accent:#34c759;--accent-strong:#7ee39a;--accent-soft:rgba(52,199,89,0.16);--accent-stroke:rgba(52,199,89,0.26);--selected-fill:rgba(52,199,89,0.16);--selected-stroke:rgba(52,199,89,0.26);--page-background:#111411;background:#111411}:root[data-theme=dark] .chat-page-shell[data-mode]{--mode-accent:#34c759;--mode-accent-strong:#7ee39a;--mode-accent-soft:rgba(52,199,89,0.16);--mode-accent-stroke:rgba(52,199,89,0.26);background:#111411;color:#f6fbfb}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-history-filter-menu,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-topbar,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-list,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-rail,:root[data-theme=dark] body:has(.chat-page-shell[data-mode]) .sidebar{border-color:rgba(255,255,255,.1);background:#181f1f;box-shadow:none}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-content-detail,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-content-index{background:#111411}:root[data-theme=dark] .chat-learning-hero h1,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-title,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-copy strong,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-empty strong,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-header h2{color:#f6fbfb}:root[data-theme=dark] .chat-learning-hero p,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-count,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-copy span,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-time{color:#a2b0b2}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-history-filter-trigger,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-mobile-session-load-more,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-nav-toggle,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-back,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-leading-button,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-page-session-rail-button,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-load-more,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-rail-load-more{border-color:rgba(255,255,255,.1);background:#202829;color:#f6fbfb}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-card,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-empty,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-session-index-row{border-color:rgba(255,255,255,.1);background:#202829}body:has(.profile-page),body:has(.profile-page) .app-main,body:has(.tool-hub-page),body:has(.tool-hub-page) .app-main{--accent:#34c759;--accent-strong:#248a3d;--accent-soft:#e9f8ee;--accent-stroke:rgba(52,199,89,0.22);--selected-fill:#e9f8ee;--selected-stroke:rgba(52,199,89,0.22);--page-background:#ffffff;background:#ffffff}body:has(.profile-page) .sidebar,body:has(.tool-hub-page) .sidebar{border-right:1px solid #e4ebe6;background:#ffffff;box-shadow:none}body:has(.profile-page) .sidebar-link,body:has(.tool-hub-page) .sidebar-link{color:#65716a}body:has(.profile-page) .sidebar-link:hover,body:has(.tool-hub-page) .sidebar-link:hover{background:#f4f7f5;color:#17211b}body:has(.profile-page) .sidebar-link-active,body:has(.profile-page) .sidebar-link-active:hover,body:has(.tool-hub-page) .sidebar-link-active,body:has(.tool-hub-page) .sidebar-link-active:hover{background:#e9f8ee;color:#248a3d;box-shadow:none}body:has(.profile-page) .sidebar-link:focus-visible,body:has(.tool-hub-page) .sidebar-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(52,199,89,.22)}.tool-hub-page{width:min(1280px,100%);padding:clamp(32px,5vh,48px) clamp(32px,5vw,72px) 96px;background:#ffffff;color:#17211b}.tool-hub-page .tool-hub-hero{min-height:200px;margin:0 0 30px;padding:0;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,390px);align-items:end;grid-gap:32px;gap:32px;border:0;outline:0;border-radius:0;background:transparent;background-image:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.tool-hub-page .tool-hub-hero:after,.tool-hub-page .tool-hub-hero:before{display:none;content:none}.tool-hub-hero-copy{display:grid;grid-gap:10px;gap:10px}.tool-hub-hero span{margin:0;color:#248a3d;font-size:.82rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.tool-hub-hero h1{color:#17211b;font-size:clamp(2.8rem,6vw,4.45rem);font-weight:850;line-height:.98;letter-spacing:0}.tool-hub-hero p{max-width:46rem;margin:6px 0 0;color:#65716a;font-size:1.08rem;line-height:1.55}.tool-hub-search{min-height:52px;align-self:end;padding:0 16px;border:1px solid #e4ebe6;border-radius:16px;background:#f4f7f5;color:#65716a;box-shadow:none}.tool-hub-search:focus-within{border-color:rgba(52,199,89,.36);background:#ffffff;box-shadow:0 0 0 4px rgba(52,199,89,.14)}.tool-hub-search input{color:#17211b}.tool-hub-search input::placeholder{color:rgba(101,113,106,.68)}.tool-hub-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.tool-hub-card{min-height:132px;padding:22px;border:1px solid #e4ebe6;border-radius:20px;background:#ffffff;color:#17211b;box-shadow:none;transition:border-color .2s ease,background-color .2s ease}.tool-hub-card:not(.tool-hub-card-disabled):focus-visible,.tool-hub-card:not(.tool-hub-card-disabled):hover{border-color:rgba(52,199,89,.28);background:#f4f7f5;outline:none;box-shadow:none;transform:none}.tool-hub-card-icon{width:48px;height:48px;border-radius:16px;background:#e9f8ee;color:#248a3d;box-shadow:none}.tool-hub-card-title{color:#17211b;font-size:1.04rem;font-weight:850;line-height:1.25}.tool-hub-card-desc{color:#65716a;font-size:.95rem;line-height:1.5}.tool-hub-card-status{color:#248a3d}.tool-hub-empty{border:1px solid #e4ebe6;background:#f4f7f5;color:#65716a;box-shadow:none}.tool-hub-empty strong{color:#17211b}.profile-page{--profile-bg:#ffffff;--profile-panel:#ffffff;--profile-tile:#f4f7f5;--profile-line:#e4ebe6;--profile-ink:#17211b;--profile-muted:#65716a;--profile-green:#248a3d;--profile-green-soft:#e9f8ee;min-height:100vh;padding:clamp(48px,7vh,72px) clamp(32px,5vw,72px) 96px;background:#ffffff}.profile-workspace{width:min(1080px,100%);gap:22px}.profile-header{min-height:148px;align-items:flex-end}.profile-kicker,.profile-section-eyebrow{color:#248a3d;letter-spacing:.08em;text-transform:uppercase}.profile-header h1{font-size:clamp(2.8rem,6vw,4.45rem);font-weight:850;line-height:.98}.profile-alert,.profile-membership-card,.profile-section-card{border:1px solid #e4ebe6;border-radius:24px;background:#ffffff;box-shadow:none}.profile-membership-card{padding:30px}.profile-membership-copy h2{color:#17211b;font-weight:850}.profile-action-copy em,.profile-fact span,.profile-membership-copy p{color:#65716a}.profile-action-icon,.profile-icon-well,.profile-membership-badge{background:#e9f8ee;color:#248a3d}.profile-membership-facts{gap:12px}.profile-action-row,.profile-fact{border:0;background:#f4f7f5;box-shadow:none}.profile-action-link:focus-visible,.profile-action-link:hover{background:#ffffff;outline:1px solid rgba(52,199,89,.18);box-shadow:none;transform:none}.profile-soft-action{background:#34c759;box-shadow:none}.profile-soft-action:focus-visible,.profile-soft-action:hover{background:#248a3d;outline:none}.profile-signout-button{background:#ff3b30;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .chat-overlay:has(.quick-learn-setup-modal){align-items:center;padding:clamp(18px,3vw,32px);background:rgba(23,33,27,.32)}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal{width:min(820px,calc(100vw - 48px));max-height:min(86vh,900px);padding:24px;border:1px solid #e4ebe6;border-radius:24px;background:#ffffff;color:#17211b;box-shadow:0 18px 48px rgba(18,38,26,.12);scrollbar-color:rgba(101,113,106,.34) transparent;scrollbar-width:thin}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal::-webkit-scrollbar{width:6px}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(101,113,106,.34)}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal>.chat-overlay-header{position:-webkit-sticky;position:sticky;top:-24px;z-index:2;margin:-24px -24px 18px;padding:20px 24px 14px;border-bottom:1px solid #e4ebe6;background:#ffffff}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .chat-overlay-title strong{color:#248a3d;font-size:1rem;font-weight:850}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .chat-overlay-close{width:38px;height:38px;display:inline-grid;place-items:center;border:1px solid #e4ebe6;border-radius:999px;background:#ffffff;color:#65716a}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .chat-overlay-close:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .chat-overlay-close:hover{border-color:rgba(52,199,89,.28);background:#e9f8ee;color:#248a3d;outline:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup{gap:18px}.chat-page-shell[data-mode=quick_learn] .quick-learn-intro-card,.chat-page-shell[data-mode=quick_learn] .quick-learn-mode-card,.chat-page-shell[data-mode=quick_learn] .quick-learn-panel,.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card{border:1px solid #e4ebe6;border-radius:22px;background:#ffffff;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel{padding:22px}.chat-page-shell[data-mode=quick_learn] .quick-learn-book-words-summary,.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented,.chat-page-shell[data-mode=quick_learn] .quick-learn-empty-note,.chat-page-shell[data-mode=quick_learn] .quick-learn-manual-field,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button,.chat-page-shell[data-mode=quick_learn] .quick-learn-video-url-field input{border-color:#e4ebe6;background:#f4f7f5;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-count-button:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-count-button:hover,.chat-page-shell[data-mode=quick_learn] .quick-learn-option-button:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-option-button:hover,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button:hover{border-color:rgba(52,199,89,.28);background:#ffffff;color:#248a3d;outline:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.alt,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.primary{border-color:#34c759;background:#34c759;color:#ffffff;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.alt:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.alt:hover,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.primary:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.primary:hover{border-color:#248a3d;background:#248a3d;outline:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal .button.ghost,.chat-page-shell[data-mode=quick_learn] .quick-learn-video-filter-button,.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-exclude-button{border:1px solid #e4ebe6;background:#ffffff;color:#248a3d;box-shadow:none}@media (max-width:900px){.profile-page,.tool-hub-page{padding:34px 18px 64px}.tool-hub-hero{min-height:auto;grid-template-columns:1fr;align-items:start}.tool-hub-search{max-width:420px}}@media (max-width:680px){.profile-membership-facts,.tool-hub-grid{grid-template-columns:1fr}.profile-header h1,.tool-hub-hero h1{font-size:clamp(2.1rem,10vw,3.2rem)}.profile-membership-top{grid-template-columns:auto minmax(0,1fr)}.profile-membership-badge{grid-column:1/-1;justify-self:start}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal{width:min(100%,calc(100vw - 24px));max-height:min(88vh,900px);padding:18px;border-radius:22px}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal>.chat-overlay-header{top:-18px;margin:-18px -18px 16px;padding:16px 18px 12px}}:root[data-theme=dark] body:has(.profile-page),:root[data-theme=dark] body:has(.profile-page) .app-main,:root[data-theme=dark] body:has(.tool-hub-page),:root[data-theme=dark] body:has(.tool-hub-page) .app-main{--page-background:#111411;background:#111411}:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-intro-card,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-mode-card,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-panel,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-setup-modal>.chat-overlay-header,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card,:root[data-theme=dark] .profile-membership-card,:root[data-theme=dark] .profile-section-card,:root[data-theme=dark] .tool-hub-card,:root[data-theme=dark] body:has(.profile-page) .sidebar,:root[data-theme=dark] body:has(.tool-hub-page) .sidebar{border-color:rgba(255,255,255,.1);background:#181f1f;color:#f6fbfb;box-shadow:none}:root[data-theme=dark] .profile-page,:root[data-theme=dark] .tool-hub-page{background:#111411;color:#f6fbfb}:root[data-theme=dark] .profile-action-copy strong,:root[data-theme=dark] .profile-header h1,:root[data-theme=dark] .profile-membership-copy h2,:root[data-theme=dark] .tool-hub-card-title,:root[data-theme=dark] .tool-hub-empty strong,:root[data-theme=dark] .tool-hub-hero h1{color:#f6fbfb}:root[data-theme=dark] .profile-action-copy em,:root[data-theme=dark] .profile-fact span,:root[data-theme=dark] .profile-membership-copy p,:root[data-theme=dark] .tool-hub-card-desc,:root[data-theme=dark] .tool-hub-hero p{color:#a2b0b2}:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-book-words-summary,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-empty-note,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-manual-field,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-video-url-field input,:root[data-theme=dark] .profile-action-row,:root[data-theme=dark] .profile-fact,:root[data-theme=dark] .tool-hub-search{border-color:rgba(255,255,255,.1);background:#202829;color:#f6fbfb}.chat-page-shell[data-mode] .chat-overlay:has(.chat-new-session-modal){align-items:center;padding:clamp(18px,3vw,32px);background:rgba(23,33,27,.32)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal{width:min(820px,calc(100vw - 48px));max-height:min(86vh,900px);padding:24px;border-radius:24px;box-shadow:0 18px 48px rgba(18,38,26,.12);scrollbar-color:rgba(101,113,106,.34) transparent;scrollbar-width:thin}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal::-webkit-scrollbar{width:6px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(101,113,106,.34)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.chat-overlay-header{top:-24px;z-index:2;align-items:center;margin:-24px -24px 18px;padding:20px 24px 14px;border-bottom:1px solid #e4ebe6}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-title strong{color:#248a3d;font-size:1rem;font-weight:850;letter-spacing:0}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid #e4ebe6;background:#ffffff;box-shadow:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close:focus-visible,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close:hover{border-color:rgba(52,199,89,.28)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field{gap:8px;margin-bottom:0}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field label,.chat-page-shell[data-mode] .quick-learn-difficulty-label,.chat-page-shell[data-mode] .quick-learn-panel-subtitle,.chat-page-shell[data-mode] .quick-learn-section-label,.chat-page-shell[data-mode] .quick-learn-selector-label{color:#65716a}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field label{font-size:.82rem;font-weight:750;letter-spacing:0;text-transform:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field input,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field select,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field textarea{min-height:52px;border:1px solid #e4ebe6;border-radius:16px;background:#f4f7f5;color:#17211b;box-shadow:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field textarea{min-height:116px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field input:focus,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field select:focus,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field textarea:focus{border-color:rgba(52,199,89,.36);background:#ffffff;box-shadow:0 0 0 4px rgba(52,199,89,.14);outline:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .actions{margin:18px 0 0;gap:10px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary{padding:0 20px;border:1px solid #34c759;background:#34c759;color:#ffffff;font-weight:750;box-shadow:none;transition:background-color .2s ease,border-color .2s ease,transform .2s ease}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt:focus-visible,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt:hover,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary:focus-visible,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary:hover{border-color:#248a3d;background:#248a3d;outline:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt:active,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary:active{transform:scale(.98)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt:disabled,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary:disabled{border-color:rgba(52,199,89,.38);background:rgba(52,199,89,.38);color:rgba(255,255,255,.92);opacity:1;transform:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.ghost,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-video-filter-button,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-vocabulary-exclude-button{box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup{gap:16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel,.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card{border:1px solid #e4ebe6;border-radius:22px;background:#ffffff}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel{padding:20px}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-title{font-size:1.02rem;font-weight:800}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-head{margin-bottom:14px}.chat-page-shell[data-mode=quick_learn] .quick-learn-settings-summary{color:#17211b;font-weight:750}.chat-page-shell[data-mode=quick_learn] .quick-learn-book-words-summary,.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented,.chat-page-shell[data-mode=quick_learn] .quick-learn-empty-note,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button{border:1px solid #e4ebe6;background:#f4f7f5;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented{border-radius:18px}.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-choice{min-height:44px;border-radius:14px}.chat-page-shell[data-mode=quick_learn] .quick-learn-book-scope-button.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-book-section-row.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-book-source-button.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-count-button-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-choice-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-option-button-active{background:#e9f8ee;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button{min-height:66px;border-radius:16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-preview-word,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-value,.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-title,.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-words{color:#17211b}.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-preset-button{border-color:rgba(52,199,89,.24);background:#e9f8ee}@media (max-width:680px){.chat-page-shell[data-mode] .chat-overlay:has(.chat-new-session-modal){padding:12px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal{width:min(100%,calc(100vw - 24px));max-height:min(88vh,900px);padding:18px;border-radius:22px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.chat-overlay-header{top:-18px;margin:-18px -18px 16px;padding:16px 18px 12px}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-grid,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .form-grid{grid-template-columns:1fr}}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay:has(.chat-new-session-modal){background:rgba(0,0,0,.44)}:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-panel,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.chat-overlay-header{border-color:rgba(255,255,255,.1);background:#181f1f;color:#f6fbfb;box-shadow:none}:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-book-words-summary,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-empty-note,:root[data-theme=dark] .chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field input,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field select,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field textarea{border-color:rgba(255,255,255,.1);background:#202829;color:#f6fbfb}:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.ghost,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-video-filter-button,:root[data-theme=dark] .chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-vocabulary-exclude-button{border-color:rgba(255,255,255,.1);background:#202829;color:#7ee39a}.ai-tool-page,.bank-page,.chat-page-shell,.exam-bank-page,.ielts-writing-page,.mistakes-page,.pte-writing-page,.sentence-recall-page,.speaking-page,.text-summary-page,.tool-hub-page{--surface-subtle:#f4f7f5;--surface-muted:#f1f5f2;--field:#f4f7f5;--line:#e4ebe6;--ink:#17211b;--text:#17211b;--muted:#65716a}.chat-page-shell[data-mode],.chat-page-shell[data-mode] :is(.chat-page-content-detail,.chat-page-main,.chat-container,.chat-scroll-shell,.chat-scroll){background:#f4f7f5;background-image:none}.chat-page-shell[data-mode] .chat-page-main-index-host{background:transparent;background-image:none}.chat-page-shell[data-mode] :is(.bubble-ai,.question-card,.question-option,.question-blank-row,.assistant-markdown-pre,.assistant-markdown-example){border-color:#e4ebe6;background:#ffffff;background-image:none;box-shadow:0 8px 24px rgba(18,38,26,.06)}.chat-page-shell[data-mode] :is(.chat-textarea,.chat-input-menu,.chat-mention-menu,.question-blank-select){border-color:#e4ebe6;background:#ffffff;color:#17211b;box-shadow:none}.ai-tool-task-row:hover,.bank-row-clickable:hover,.chat-page-shell[data-mode] :is(.button.ghost,.chat-page-back,.chat-page-leading-button,.chat-session-rail-toggle,.chat-icon-btn,.chat-input-menu-item,.chat-session-card,.chat-session-index-row,.chat-session-load-more,.chat-session-rail-load-more,.chat-mobile-session-load-more):hover:not(:disabled),.exam-bank-result-row:hover,.tool-hub-card:not(.tool-hub-card-disabled):focus-visible,.tool-hub-card:not(.tool-hub-card-disabled):hover{border-color:rgba(52,199,89,.22);background:#f4f7f5;box-shadow:none;transform:none}.chat-page-shell[data-mode] :is(.question-option-selected,.question-option:has(input:checked),.grammar-detail-option-selected,.chat-session-card-active){border-color:rgba(52,199,89,.22);background:#e9f8ee;color:#248a3d}:root[data-theme=dark] .ai-tool-page,:root[data-theme=dark] .bank-page,:root[data-theme=dark] .chat-page-shell,:root[data-theme=dark] .exam-bank-page,:root[data-theme=dark] .ielts-writing-page,:root[data-theme=dark] .mistakes-page,:root[data-theme=dark] .pte-writing-page,:root[data-theme=dark] .sentence-recall-page,:root[data-theme=dark] .speaking-page,:root[data-theme=dark] .text-summary-page,:root[data-theme=dark] .tool-hub-page{--surface-subtle:#202829;--surface-muted:#242c2d;--field:#202829;--line:rgba(255,255,255,0.1);--ink:#f6fbfb;--text:#f6fbfb;--muted:#a2b0b2}:root[data-theme=dark] .chat-page-shell[data-mode],:root[data-theme=dark] .chat-page-shell[data-mode] :is(.chat-page-content-detail,.chat-page-main,.chat-container,.chat-scroll-shell,.chat-scroll){background:#111411}:root[data-theme=dark] .chat-page-shell[data-mode] :is(.bubble-ai,.question-card,.question-option,.question-blank-row,.assistant-markdown-pre,.assistant-markdown-example,.chat-textarea,.chat-input-menu,.chat-mention-menu,.question-blank-select){border-color:rgba(255,255,255,.1);background:#202829;color:#f6fbfb}.chat-page-shell[data-mode] .chat-overlay:has(.chat-new-session-modal){padding:clamp(18px,3vw,34px);background:rgba(23,33,27,.34)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal{width:min(760px,calc(100vw - 48px));max-height:min(86vh,820px);padding:0;overflow:auto;border:1px solid #e4ebe6;border-radius:28px;background:#ffffff;color:#17211b;box-shadow:0 20px 52px rgba(18,38,26,.14)}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.chat-overlay-header{position:-webkit-sticky;position:sticky;top:0;z-index:5;min-height:72px;margin:0;padding:20px 30px 16px;border-bottom:1px solid #edf2ee;background:#ffffff}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-title strong{color:#17211b;font-size:1.02rem;font-weight:780}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close{width:40px;height:40px;border:0;border-radius:999px;background:#f4f7f5;color:#65716a}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close:focus-visible,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .chat-overlay-close:hover{background:#e9f8ee;color:#248a3d;outline:none}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.form-grid{padding:24px 30px 0}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.error-text{margin:16px 30px 0}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.actions{margin:0;padding:24px 30px 30px}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup{gap:0;padding:24px 30px 30px}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel,.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card{border:0;border-radius:0;background:transparent;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel{padding:24px 0;border-top:1px solid #edf2ee}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup>.quick-learn-panel-button:first-child .quick-learn-panel,.chat-page-shell[data-mode=quick_learn] .quick-learn-setup>.quick-learn-panel:first-child{padding-top:0;border-top:0}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-button{border-radius:20px}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-button .quick-learn-panel{padding:16px 18px;border:1px solid #e4ebe6;border-radius:20px;background:#ffffff;transition:border-color .18s ease,background-color .18s ease}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-button:focus-visible .quick-learn-panel,.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-button:hover .quick-learn-panel{border-color:rgba(52,199,89,.28);background:#f4f7f5}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-head{align-items:flex-start;margin-bottom:16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-title{color:#17211b;font-size:1.04rem;font-weight:760;line-height:1.25}.chat-page-shell[data-mode=quick_learn] .quick-learn-panel-subtitle{max-width:44rem;color:#65716a;font-size:.94rem;line-height:1.55}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-label,.chat-page-shell[data-mode=quick_learn] .quick-learn-section-label,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-label,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field label{color:#65716a;font-size:.76rem;font-weight:760;letter-spacing:0;text-transform:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-book-words-summary,.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented,.chat-page-shell[data-mode=quick_learn] .quick-learn-manual-field,.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button,.chat-page-shell[data-mode=quick_learn] .quick-learn-video-url-field input,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field input,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field select,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .field textarea{border:1px solid #e4ebe6;border-radius:16px;background:#f4f7f5;color:#17211b;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-button{min-height:60px;padding:13px 16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-grid{gap:12px}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-value{color:#17211b;font-size:.98rem;font-weight:650}.chat-page-shell[data-mode=quick_learn] .quick-learn-selector-value-muted{color:#65716a}.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-segmented{gap:4px;padding:4px;border-radius:16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-choice{min-height:40px;border-radius:12px;color:#65716a;font-size:.94rem;font-weight:700}.chat-page-shell[data-mode=quick_learn] .quick-learn-book-scope-button.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-book-section-row.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-book-source-button.is-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-count-button-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-difficulty-choice-active,.chat-page-shell[data-mode=quick_learn] .quick-learn-option-button-active{background:#ffffff;color:#248a3d;box-shadow:inset 0 0 0 1px rgba(52,199,89,.24)}.chat-page-shell[data-mode=quick_learn] .quick-learn-video-presets,.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-presets{gap:12px;margin:0}.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-preset-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-preset-button{min-height:44px;border:1px solid #d8eadc;border-radius:999px;background:#f4f7f5;color:#248a3d;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-preset-button:focus-visible,.chat-page-shell[data-mode=quick_learn] .quick-learn-vocabulary-preset-button:hover{border-color:rgba(52,199,89,.34);background:#e9f8ee;outline:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty{display:grid;grid-gap:10px;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid #edf2ee}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty label{color:#65716a;font-size:.76rem;font-weight:760}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:10px;gap:10px}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-input{min-height:44px;min-width:0;padding:0 14px;border:1px solid #e4ebe6;border-radius:14px;background:#f4f7f5;color:#17211b;font:inherit;box-shadow:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-input:focus{border-color:rgba(52,199,89,.36);background:#ffffff;box-shadow:0 0 0 4px rgba(52,199,89,.14);outline:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-submit{min-height:44px;padding:0 16px;border:1px solid #e4ebe6;border-radius:999px;background:#ffffff;color:#248a3d;font:inherit;font-weight:720;white-space:nowrap;cursor:pointer}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-submit:disabled{color:rgba(101,113,106,.5);cursor:not-allowed}.chat-page-shell[data-mode=quick_learn] .quick-learn-empty-note{margin:10px 0 0;padding:0;border:0;background:transparent;color:#65716a;font-size:.9rem;line-height:1.5}.chat-page-shell[data-mode=quick_learn] .quick-learn-asr-confirm-modal{max-width:min(520px,calc(100vw - 32px))}.chat-page-shell[data-mode=quick_learn] .quick-learn-asr-confirm-copy{display:grid;grid-gap:14px;gap:14px}.chat-page-shell[data-mode=quick_learn] .quick-learn-asr-confirm-copy p{margin:0;color:#65716a;font-size:.95rem;line-height:1.55}.chat-page-shell[data-mode=quick_learn] .quick-learn-asr-confirm-quota{display:grid;grid-gap:8px;gap:8px;padding:14px;border:1px solid rgba(17,24,39,.12);border-radius:8px;background:rgba(36,138,61,.08);color:#1d2a22;font-size:.95rem;line-height:1.45}.chat-page-shell[data-mode=quick_learn] .quick-learn-asr-confirm-actions{justify-content:flex-start}.chat-page-shell[data-mode=quick_learn] .quick-learn-manual-field textarea{min-height:132px;padding:14px 16px}.chat-page-shell[data-mode=quick_learn] .quick-learn-manual-footer{margin-top:10px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.alt,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.primary{min-height:48px;padding:0 22px;border-radius:999px;font-size:.96rem;font-weight:760}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .button.ghost,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-video-filter-button,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal .quick-learn-vocabulary-exclude-button{min-height:38px;padding:0 14px;border:1px solid #e4ebe6;border-radius:999px;background:#ffffff;color:#248a3d;font-weight:720}.chat-page-shell[data-mode=quick_learn] .quick-learn-video-analysis-actions{margin-top:14px}.chat-page-shell[data-mode=quick_learn] .quick-learn-video-preset-head-meta{align-items:center;gap:10px;color:#65716a}.chat-page-shell[data-mode=quick_learn] .quick-learn-video-preset-grid{gap:10px}.chat-page-shell[data-mode] .quick-learn-book-preset-card,.chat-page-shell[data-mode] .quick-learn-video-preset-card,.chat-page-shell[data-mode] .quick-learn-video-preset-card.quick-learn-video-preset-card-ios{min-height:92px;display:grid;grid-template-columns:112px minmax(0,1fr) auto;align-items:center;grid-gap:14px;gap:14px;padding:12px;border:1px solid #e4ebe6;border-radius:18px;background:#ffffff;box-shadow:none;text-align:left}.chat-page-shell[data-mode] .quick-learn-video-preset-card.quick-learn-video-preset-card-ios:focus-visible,.chat-page-shell[data-mode] .quick-learn-video-preset-card.quick-learn-video-preset-card-ios:hover:not(:disabled),.chat-page-shell[data-mode] .quick-learn-video-preset-card:focus-visible,.chat-page-shell[data-mode] .quick-learn-video-preset-card:hover:not(:disabled){border-color:rgba(52,199,89,.28);background:#f4f7f5;outline:none;transform:none}.chat-page-shell[data-mode] .quick-learn-video-preset-card-ios .quick-learn-video-preset-thumb,.chat-page-shell[data-mode] .quick-learn-video-preset-thumb{width:112px;height:64px;border-radius:12px}.chat-page-shell[data-mode] .quick-learn-book-preset-card{grid-template-columns:72px minmax(0,1fr)}.chat-page-shell[data-mode] .quick-learn-book-preset-card .quick-learn-video-preset-thumb,.chat-page-shell[data-mode] .quick-learn-book-preset-cover{width:72px;height:104px;border-radius:12px}.chat-page-shell[data-mode] .quick-learn-video-preset-copy{gap:5px}.chat-page-shell[data-mode] .quick-learn-video-preset-copy strong{color:#17211b;font-size:.98rem;font-weight:720;line-height:1.3}.chat-page-shell[data-mode] .quick-learn-book-preset-notebook,.chat-page-shell[data-mode] .quick-learn-video-preset-meta,.chat-page-shell[data-mode] .quick-learn-video-preset-notebook{color:#65716a;font-size:.82rem;line-height:1.35}.chat-page-shell[data-mode] .quick-learn-video-preset-more{color:#65716a}.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-card{margin-top:14px;padding:14px 0 0;border-top:1px solid #edf2ee}.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-top{margin-bottom:10px}.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-title{color:#17211b;font-size:1rem;font-weight:720}.chat-page-shell[data-mode=quick_learn] .quick-learn-summary-words{color:#17211b;font-size:.94rem;line-height:1.6}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup>.actions:last-child{position:-webkit-sticky;position:sticky;bottom:-30px;z-index:4;margin:0;padding:18px 0 0;border-top:1px solid #edf2ee;background:linear-gradient(180deg,rgba(255,255,255,.88),#ffffff 36%)}@media (max-width:680px){.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal{width:min(100%,calc(100vw - 20px));max-height:min(88vh,820px);border-radius:24px}.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.chat-overlay-header{min-height:64px;padding:16px 20px 12px}.chat-page-shell[data-mode=quick_learn] .quick-learn-setup,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.actions,.chat-page-shell[data-mode] .chat-overlay-panel.chat-setup-modal.chat-new-session-modal>.form-grid{padding-right:20px;padding-left:20px}.chat-page-shell[data-mode] .quick-learn-video-preset-card,.chat-page-shell[data-mode] .quick-learn-video-preset-card.quick-learn-video-preset-card-ios{grid-template-columns:92px minmax(0,1fr)}.chat-page-shell[data-mode] .quick-learn-video-preset-card-ios .quick-learn-video-preset-thumb,.chat-page-shell[data-mode] .quick-learn-video-preset-thumb{width:92px;height:56px}.chat-page-shell[data-mode] .quick-learn-video-preset-more{display:none}.chat-page-shell[data-mode=quick_learn] .quick-learn-custom-specialty-row{grid-template-columns:1fr}}