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p{color:#51645d;font-size:13px;line-height:1.6}.keyword-ask{color:var(--brand);cursor:pointer;background:0 0;border:0;align-self:flex-start;align-items:center;gap:6px;margin-top:auto;padding:13px 0 0;font-size:10px;font-weight:850;display:inline-flex}.keyword-ask:hover{color:var(--brand-strong);text-underline-offset:3px;text-decoration:underline}.code-block{color:#e4f4ec;background:#0d201c;border:1px solid #25413a;border-radius:16px;margin-top:27px;overflow:hidden}.code-header{color:#9eb9af;text-transform:uppercase;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;padding:9px 14px;font-size:10px;font-weight:850;display:flex}.code-header button{color:#c3ddd4;font:inherit;cursor:pointer;background:0 0;border:0}.code-block pre{padding:18px;font-size:12px;line-height:1.75;overflow-x:auto}.audio-card{background:#f1f9f5;border:1px solid #d4e8df;border-radius:16px;margin-top:27px;padding:14px;position:relative}.audio-card>div:first-child{align-items:center;gap:11px;display:flex}.audio-icon{background:var(--brand);color:#fff;border-radius:12px;flex:none;place-items:center;width:39px;height:39px;display:grid}.audio-card strong{color:var(--ink);font-size:12px;display:block}.audio-card p{color:var(--muted);margin-top:2px;font-size:10px}.audio-actions{gap:6px;display:flex;position:absolute;top:15px;right:14px}.audio-actions button{min-height:36px;color:var(--brand-strong);cursor:pointer;background:#fff;border:0;border-radius:10px;align-items:center;gap:6px;padding:0 12px;font-size:10px;font-weight:850;display:inline-flex}.audio-actions button.stop{width:36px;color:var(--muted);justify-content:center;padding:0}.audio-card .audio-error{color:#96333a;margin-top:9px}.section-navigation{border-top:1px solid var(--line);justify-content:space-between;gap:15px;margin-top:34px;padding-top:24px;display:flex}.secondary-button{border:1px solid var(--line-strong);min-height:48px;color:var(--ink);cursor:pointer;background:#fff;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:0 17px;font-size:12px;font-weight:800;display:inline-flex}.secondary-button:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}.secondary-button:disabled{opacity:.4;cursor:not-allowed}.lesson-actions{z-index:45;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0e2824f0;border:1px solid #ffffffb3;border-radius:17px;gap:7px;padding:6px;display:flex;position:fixed;bottom:20px;right:24px;box-shadow:0 18px 60px #0e28243d}.lesson-actions button{color:#d8e9e2;cursor:pointer;background:0 0;border:0;border-radius:11px;align-items:center;gap:7px;min-height:43px;padding:0 13px;font-size:11px;font-weight:800;display:inline-flex}.lesson-actions button:hover{background:#ffffff17}.lesson-actions button.understand{color:#ffd489}.lesson-actions button.continue{background:var(--brand);color:#fff}.doubt-backdrop{z-index:90;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#0616138f;place-items:end center;padding:28px;display:grid;position:fixed;inset:0;overflow-y:auto}.doubt-panel{background:#fbfcf8;border:1px solid #ffffffb3;border-radius:25px;width:min(720px,100%);max-height:calc(100vh - 56px);padding:clamp(22px,4vw,34px);overflow-y:auto;box-shadow:0 35px 100px #0416124d}.doubt-panel>header{align-items:center;gap:12px;display:flex}.doubt-panel h2{color:var(--ink);letter-spacing:-.035em;font-size:23px;font-weight:750}.doubt-panel header p{color:var(--muted);margin-top:2px;font-size:11px}.strategy-grid{flex-wrap:wrap;gap:6px;display:flex}.strategy-grid button{border:1px solid var(--line);background:#fff}.field-textarea{resize:vertical;border:1px solid var(--line-strong);width:100%;color:var(--ink);font:inherit;background:#fff;border-radius:14px;outline:none;padding:13px;line-height:1.6}.field-textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px #087f671a}.teacher-answer{border-left:3px solid var(--brand);background:var(--brand-soft);border-radius:0 15px 15px 0;padding:20px}.teacher-badge{color:var(--brand);text-transform:uppercase;align-items:center;gap:6px;margin-bottom:13px;font-size:10px;font-weight:900;display:inline-flex}.check-card{min-height:480px}.check-card>p:not(.section-kicker){color:var(--muted);margin-top:13px;line-height:1.7}.question-prompt p{color:var(--ink);letter-spacing:-.025em;font-size:clamp(1.35rem,3vw,1.8rem);font-weight:650;line-height:1.4}.answer-option{border:1px solid var(--line);min-height:58px;color:var(--ink);text-align:left;cursor:pointer;background:#fff;border-radius:14px;grid-template-columns:32px 1fr auto;align-items:center;gap:12px;padding:11px 13px;display:grid}.answer-option>span{background:var(--surface-soft);width:30px;height:30px;color:var(--muted);border-radius:9px;place-items:center;font-size:11px;font-weight:900;display:grid}.answer-option:hover:not(:disabled),.answer-option.selected{border-color:var(--brand);background:#f7fcf9}.answer-option.selected>span{background:var(--brand);color:#fff}.answer-option p{font-size:13px;line-height:1.45}.confidence-row{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-top:20px;font-size:11px;font-weight:750;display:flex}.confidence-row button{border:1px solid var(--line);color:var(--muted);text-transform:capitalize;cursor:pointer;background:#fff;border-radius:999px;padding:6px 10px;font-size:10px;font-weight:850}.confidence-row button.active{border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}.answer-feedback{border-radius:15px;margin-top:20px;padding:18px}.answer-feedback.correct{color:#116840;background:#ebf8f0}.answer-feedback.retry{color:#8e570b;background:#fff5e7}.answer-feedback>strong{margin-bottom:8px;font-size:15px;display:block}.answer-feedback .explanation{border-top:1px solid #00000014;margin-top:12px;padding-top:12px}.check-finished{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.finish-icon{background:var(--brand-soft);width:58px;height:58px;color:var(--brand);border-radius:18px;place-items:center;display:grid}.lesson-loading{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:30px;display:flex}.lesson-loading h1{color:var(--ink);letter-spacing:-.04em;margin-top:14px;font-size:28px;font-weight:720}.lesson-loading p{max-width:430px;color:var(--muted);margin-top:7px;font-size:13px;line-height:1.6}@media (min-width:1024px){.app-content{margin-left:264px}}@media (max-width:1023px){.app-sidebar{transform:translate(-105%)}.app-sidebar.open{transform:translate(0)}.mobile-header{display:flex}.dashboard-page{padding-left:24px;padding-right:24px}}@media (max-width:740px){.dashboard-page{padding-bottom:50px;padding-left:16px;padding-right:16px}.dashboard-hero{padding-top:34px}.dashboard-hero h1{font-size:clamp(2.55rem,12vw,4.2rem)}.learn-input-row{min-height:66px;padding-left:15px}.learn-input-row input{font-size:16px}.learn-input-row>button{border-radius:14px;width:48px;height:48px}.composer-options{align-items:stretch;padding:5px 7px}.composer-select{flex-direction:column;flex:1;align-items:flex-start;gap:1px;min-width:105px;padding:5px 9px}.dashboard-two-column,.learning-card-grid{grid-template-columns:1fr}.lesson-header{padding-top:22px}.lesson-title-block{flex-direction:column;align-items:start}.lesson-toolbar{flex-wrap:nowrap;justify-content:flex-start;padding:9px 12px;position:relative;overflow-x:auto}.toolbar-group{flex:none}.lesson-layout{padding:22px 13px 60px;display:block}.lesson-index{margin-bottom:14px;position:static;overflow-x:auto}.lesson-index>p{display:none}.lesson-index ol{width:max-content;display:flex}.lesson-index button{justify-content:center;width:44px;padding:7px}.lesson-index button strong{display:none}.lesson-section-card,.check-card{border-radius:19px}.keyword-grid{grid-template-columns:1fr}.audio-card{padding-bottom:59px}.audio-actions{inset:auto 12px 12px}.audio-actions button:first-child{flex:1;justify-content:center}.lesson-actions{justify-content:stretch;bottom:10px;left:10px;right:10px}.lesson-actions button{flex:1;justify-content:center;padding:0 8px}.lesson-actions button:first-child{flex:none;width:44px;font-size:0}.lesson-actions button:first-child svg{width:18px}.doubt-backdrop{padding:10px}.doubt-panel{border-radius:20px;max-height:calc(100vh - 20px)}}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}