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small{color:var(--muted);font-size:13px;line-height:1.35}.option-icon{color:#245ec6;background:#edf3ff;border-radius:11px;flex:none;place-items:center;width:36px;height:36px;display:grid}.option-card[aria-checked=true] .option-icon{color:#fff;background:#2563f2}.option-dot{border:2px solid #b6c3d8;border-radius:50%;flex:none;width:18px;height:18px}.option-card[aria-checked=true] .option-dot{border:6px solid #2563f2}.chip-cloud{flex-wrap:wrap;gap:8px;display:flex}.intake-plan{border:1px solid var(--line);border-radius:16px;max-height:46vh;padding:4px;overflow-y:auto}.lang-switch{background:#e9eff8;border-radius:999px;padding:3px;display:inline-flex}.lang-switch button{color:#4f6283;background:0 0;border-radius:999px;padding:5px 11px;font-size:13px;font-weight:600}.lang-switch button[aria-checked=true]{color:var(--ink);background:#fff;box-shadow:0 1px 3px #1a2b4a22}.side-language{margin-top:18px;padding:0 4px}.side-language+.profile-pill{margin-top:14px}.menu-collapsed .side-language{display:none}.sheet-language,.field-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.sheet-language{padding:14px 4px 4px;font-size:15px;font-weight:600}.field-row{color:#536456;font-size:12px;font-weight:600}@media (max-width:640px){.wizard{padding:4px 12px 32px}.wizard-card{border-radius:20px;gap:12px;padding:16px 16px 20px}.wizard-top{grid-template-columns:auto 1fr auto}.wizard-step{justify-self:center;font-size:12px}.wizard-card h1{font-size:24px}.option-grid{grid-template-columns:minmax(0,1fr);gap:8px}.wizard-next{justify-self:stretch;width:100%}.wizard-actions .wizard-next{flex:1}.lang-switch button{padding:5px 9px;font-size:12px}.help-pop>summary{padding:8px 12px}.option-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.option-grid .option-card{flex-direction:column;align-items:flex-start;gap:8px;padding:12px}.option-grid .option-icon{width:32px;height:32px}}@media (min-width:851px){.sidebar-top+nav{margin-top:28px}.sidebar .side-language{margin-top:auto;padding-top:18px}}.chat-context{flex-wrap:wrap;align-items:center;gap:6px 12px;font-size:14px;display:flex}.chat-context label{color:#425878;align-items:center;gap:8px;font-weight:600;display:inline-flex}.chat-context select{color:#163f86;background-color:#f0f5ff;border:1px solid #c9d8f3;border-radius:999px;width:auto;max-width:260px;margin:0;padding:7px 30px 7px 12px;font-size:14px;font-weight:600}.chat-context small{color:var(--muted);font-size:13px}.stop-chip{color:#a43c3c;background:#fff4f4;border-color:#f0c4c4;font-weight:600}.chat-history{position:relative}.chat-history>summary{cursor:pointer;list-style:none}.chat-history>summary::-webkit-details-marker{display:none}.history-menu{z-index:30;background:#fff;border-radius:16px;gap:2px;width:300px;max-height:360px;padding:8px;display:grid;position:absolute;top:calc(100% + 8px);right:0;overflow-y:auto;box-shadow:0 22px 50px -20px #17234280}.history-menu>p{color:var(--muted);padding:10px;font-size:14px}.history-menu>button{color:var(--ink);text-align:left;background:0 0;border-radius:10px;gap:2px;padding:9px 12px;display:grid}.history-menu>button:hover:not(:disabled){background:#eef2fa}.history-menu strong{text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:600;overflow:hidden}.history-menu small{color:var(--muted);font-size:12px}.chat-scroll .message.tutor>div{max-width:min(88%,640px)}.chat-scroll .message.student>div{max-width:min(80%,560px)}.reply-actions{flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;display:flex}.reply-action{color:#2c4a74;background:#fff;border:1px solid #d6e2f4;border-radius:999px;align-items:center;gap:6px;min-height:32px;padding:5px 11px;font-size:13px;font-weight:600;display:inline-flex}.reply-action.icon{justify-content:center;width:32px;padding:0}.reply-action:hover:not(:disabled){background:#f5f9ff}.reply-action.practice{color:#17795f;background:#effaf6;border-color:#b9e3d6}.chat-board{background:#fffffe;border:6px solid #e4e7ed;border-radius:14px;flex-wrap:wrap;gap:10px;margin-top:12px;padding:16px;display:flex}.chat-board .board-title{font-size:20px}.chat-board .board-equation{font-size:22px}.message .message-source{display:block}.welcome-heading{align-items:center;gap:14px;display:flex}.welcome-heading .companion-mark.small{width:52px;height:58px}.welcome-heading .page-heading{margin-bottom:0}.welcome-heading+*{margin-top:26px}.plan-primary{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;display:flex}.adjust-plan{margin-bottom:16px;padding:14px 18px}.adjust-plan>summary{color:#2c4a74;cursor:pointer;align-items:center;gap:8px;font-size:15px;font-weight:700;list-style:none;display:flex}.adjust-plan>summary::-webkit-details-marker{display:none}.adjust-plan form{gap:14px;margin-top:14px;display:grid}.adjust-plan form .button{justify-self:start}.plan-module>summary{cursor:pointer;align-items:center;gap:10px;padding:4px 0;list-style:none;display:flex}.plan-module>summary::-webkit-details-marker{display:none}.plan-module>summary h3{flex:1}.module-chevron{color:#8a94a8;transition:transform .2s}.plan-module:not([open]) .module-chevron{transform:rotate(-90deg)}.plan-view .plan-lesson>button,.plan-view .plan-lesson>div{grid-template-columns:22px minmax(0,1fr) auto;align-items:start}.plan-view .lesson-main{gap:4px;display:grid}.plan-view .lesson-main strong{font-size:14px}.lesson-outcome{color:#4f6283;font-size:13px;line-height:1.45}.plan-view .lesson-meta{white-space:normal;flex-wrap:wrap}.state-icon{color:#b6c3d8;margin-top:1px}.state-icon.done{color:#1f9d6e}.state-icon.progress,.state-icon.next{color:#2563f2}.lesson-states{flex-direction:column;align-items:flex-end;gap:5px;display:flex}.state-label{color:#5d6f8b;white-space:nowrap;background:#eef2f8;border-radius:999px;align-items:center;gap:5px;padding:3px 9px;font-size:12px;font-weight:700;display:inline-flex}.state-label.done{color:#17795f;background:#e3f6ee}.state-label.progress{color:#163f86;background:#e3ebfd}.state-label.next{color:#fff;background:#2563f2}.state-label.applied{color:#7a5412;background:#fff1d6}@media (max-width:640px){.chat-context{font-size:13px}.history-menu{top:auto;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));width:auto;position:fixed;left:12px}.plan-view .plan-lesson>button,.plan-view .plan-lesson>div{grid-template-columns:22px minmax(0,1fr)}.lesson-states{flex-direction:row;grid-column:2;align-items:center}.plan-primary .button{width:100%}.plan-view .lesson-main{grid-template-columns:minmax(0,1fr)}.plan-view .lesson-main>.lesson-meta{grid-column:auto}.chat-tools .tool-text{display:none}.chat-tools .button.compact{min-width:42px;padding:9px 12px}.chat-context select{max-width:240px}}.faq-section{max-width:820px;margin:10px auto 40px;padding:0 24px}.faq-section h2{margin-bottom:14px;font-size:30px}.faq-item{border-bottom:1px solid var(--line)}.faq-item>summary{color:var(--ink);cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:16px 2px;font-size:17px;font-weight:600;list-style:none;display:flex}.faq-item>summary::-webkit-details-marker{display:none}.faq-item>summary:after{content:"+";color:#8a94a8;font-size:22px;font-weight:400}.faq-item[open]>summary:after{content:"−"}.faq-item>p{color:#4f6283;padding:0 2px 16px;font-size:16px;line-height:1.6}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}