:root{--canvas:#fff;--surface:#fff;--soft:#f5f7f9;--ink:#0b0d12;--muted:#5c6672;--border:#e6eaef;--tint:#eaf6fe;--tint-fg:#0b66b5;--success-bg:#e9f7ef;--success-fg:#1f6f43;--primary:#1479d4;--sky:#5fc6f7;--deep:#0b66b5;--success:#3fa669;--gold:#f5a524;--danger:#e35d6a;--streak:#ff9600;--tone-1:#b8a8db;--tone-2:#9ebfd2;--tone-3:#d6aa96;--tone-4:#9fc4a9;--accent:var(--primary);--focus-edge:var(--accent);--focus-ring:0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);--gutter:clamp(18px, 5.5vw, 28px);--focus-pop:1.04}html[data-dolphin-theme=dark]{--canvas:#000;--surface:#101317;--soft:#181c21;--ink:#fff;--muted:#98a2ad;--border:#23272c;--tint:#5fc6f729;--tint-fg:#5fc6f7;--success-bg:#3fa6692e;--success-fg:#6fd49b}body{background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased;font-family:Manrope,system-ui,sans-serif}.lap-root{background:var(--canvas);height:100dvh;min-height:100dvh;color:var(--ink);flex-direction:column;display:flex;overflow:hidden}.lap-root:has(.dl-takeover--gen) .lap-topbar{display:none}.lap-topbar{border-bottom:1px solid var(--border);flex:0 0 64px;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:64px;padding:0 22px;display:grid;position:relative}.lap-topbar-brand{cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:0;font-family:inherit;display:flex}.lap-topbar-brand img{width:32px;height:32px;display:block}.lap-topbar-brand span{color:var(--ink);letter-spacing:-.02em;font-size:19px;font-weight:800}.lap-topbar-tabs{white-space:nowrap;align-items:center;gap:6px;min-width:0;display:flex}.lap-tab{border:1.5px solid var(--border);height:38px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:8px;padding:0 16px;font-family:inherit;font-size:13.5px;font-weight:700;transition:background .16s,color .16s;display:inline-flex}.lap-tab:hover{background:var(--soft);color:var(--ink)}.lap-tab.is-active{border-color:var(--ink);background:var(--ink);color:var(--canvas);font-weight:800}.lap-tab-dot{border-radius:999px;flex:none;width:9px;height:9px}.lap-tab--add{border-style:dashed;justify-content:center;width:38px;padding:0;font-size:17px;font-weight:800}.lap-tab--add:hover{border-color:var(--sky);color:var(--primary);background:0 0}.lap-tab--add.is-active{border-style:solid;border-color:var(--ink);background:var(--ink);color:var(--canvas)}.lap-topbar-right{justify-self:end;align-items:center;gap:10px;display:flex}.lap-xp{color:var(--primary);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px;font-weight:850}.lap-leaderboard-btn{color:var(--primary)}.lap-leaderboard-btn:hover{color:var(--primary);background:color-mix(in srgb, var(--primary) 9%, transparent)}.lap-iconbtn.lap-leaderboard-btn.is-active,.lap-iconbtn.lap-leaderboard-btn.is-active:hover{border-color:var(--primary);background:var(--primary);color:#fff}.lap-avatar{background:linear-gradient(135deg, var(--sky), var(--primary));color:#fff;cursor:pointer;border:none;border-radius:999px;place-items:center;width:34px;height:34px;padding:0;font-family:inherit;font-size:13px;font-weight:800;display:grid}.lap-iconbtn{border:1.5px solid var(--border);width:34px;height:34px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;justify-content:center;align-items:center;padding:0;transition:background .16s,color .16s;display:inline-flex}.lap-iconbtn svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.lap-iconbtn:hover{background:var(--soft);color:var(--ink)}.lap-iconbtn.is-active{border-color:var(--ink);background:var(--ink);color:var(--canvas)}.lap-record-lecture.is-recording,.lap-record-lecture.is-recording.is-active{color:#fff;background:#ef2839;border-color:#ef2839;box-shadow:0 0 0 4px #ef28391c}.lap-streak{display:flex;position:relative}.lap-streak-btn{border:none;gap:5px;width:auto;padding:0 8px;font-family:inherit;font-size:13px;font-weight:800}.lap-streak-btn.is-lit,.lap-streak-btn.is-lit:hover,.lap-streak-btn.is-lit.is-active{color:var(--streak)}.lap-streak-btn.is-active{background:var(--soft);color:var(--ink)}.lap-streak-flame{transform-origin:50% 100%;transition:transform .38s cubic-bezier(.2,1.6,.35,1),filter .26s,color .26s;display:inline-flex;position:relative}.lap-streak-fire{z-index:0;opacity:0;pointer-events:none;transition:opacity .2s;position:absolute;inset:-19px -10px -2px}.lap-streak-flame>svg{z-index:1;position:relative}.lap-streak-fire:before{content:"";background:radial-gradient(circle, color-mix(in srgb, var(--streak) 42%, transparent) 0%, color-mix(in srgb, var(--streak) 13%, transparent) 45%, transparent 70%);border-radius:50%;width:27px;height:27px;margin-left:-13.5px;position:absolute;bottom:-4px;left:50%}.lap-streak-spark{width:var(--size);height:var(--size);margin-left:calc(var(--x) - var(--size) / 2);opacity:0;background:#ffd76b;border-radius:50%;position:absolute;bottom:4px;left:50%;box-shadow:0 0 4px #ffaa28e6}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-fire{opacity:1}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-fire:before{animation:.625s ease-out both lap-streak-heat-catch,1.25s ease-in-out .625s infinite lap-streak-heat}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-flame{color:var(--streak);animation:.625s cubic-bezier(.4,0,.35,1) both lap-streak-catch,1.25s ease-in-out .625s infinite lap-streak-swell}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-spark{animation:lap-streak-spark var(--dur) ease-out var(--delay) infinite}@keyframes lap-streak-spark{0%{opacity:0;transform:translate(0)scale(1)}16%{opacity:.95}to{opacity:0;transform:translate(var(--dx), calc(-1 * var(--rise))) scale(.35)}}@keyframes lap-streak-heat-catch{0%{opacity:0;transform:scale(.55)}to{opacity:1;transform:scale(1.18)}}@keyframes lap-streak-heat{0%,to{opacity:1;transform:scale(1.18)}50%{opacity:.5;transform:scale(.9)}}@keyframes lap-streak-catch{0%{filter:drop-shadow(0 0 #0000);transform:scale(1)}to{filter:drop-shadow(0 0 14px color-mix(in srgb, var(--streak) 92%, transparent));transform:scale(1.17,1.34)translateY(-1px)}}@keyframes lap-streak-swell{0%,to{filter:drop-shadow(0 0 14px color-mix(in srgb, var(--streak) 92%, transparent));transform:scale(1.17,1.34)translateY(-1px)}50%{filter:drop-shadow(0 0 6px color-mix(in srgb, var(--streak) 52%, transparent));transform:scale(1.08,1.12)}}.lap-streak-count{position:relative}@keyframes lap-streak-plus{0%{opacity:0;transform:translate(-50%,6px)scale(.7)}24%{opacity:1;transform:translate(-50%,-3px)scale(1.06)}68%{opacity:1;transform:translate(-50%,-11px)scale(1)}to{opacity:0;transform:translate(-50%,-18px)scale(.95)}}.lap-streak-roll{line-height:1;display:inline-grid;overflow:clip}.lap-streak-roll>span{font-variant-numeric:tabular-nums;grid-area:1/1}.lap-streak-rollout{animation:.64s cubic-bezier(.4,0,.9,.55) both lap-streak-rollout}.lap-streak-rollin{animation:.92s cubic-bezier(.18,1.3,.4,1) both lap-streak-rollin}@keyframes lap-streak-rollout{to{opacity:0;transform:translateY(-105%)}}@keyframes lap-streak-rollin{0%{opacity:0;transform:translateY(105%)}45%{opacity:1}to{opacity:1;transform:translateY(0)}}.lap-streak-plus{color:var(--streak);white-space:nowrap;font:800 12px/1 Manrope,system-ui,sans-serif;animation:1.75s cubic-bezier(.16,1,.3,1) .23s both lap-streak-plus;position:absolute;bottom:100%;left:50%}.lap-streak-burst{pointer-events:none;z-index:3;width:0;height:0;color:var(--streak);position:absolute;top:50%;left:17px}.lap-streak-glow{background:radial-gradient(circle, color-mix(in srgb, var(--streak) 38%, transparent) 0%, transparent 68%);border-radius:50%;width:58px;height:58px;animation:1.6s ease-out both lap-streak-glow;position:absolute;top:-29px;left:-29px}@keyframes lap-streak-glow{0%{opacity:0;transform:scale(.4)}22%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.25)}}.lap-streak-ring{border:2px solid var(--streak);border-radius:50%;width:26px;height:26px;animation:1.25s cubic-bezier(.16,1,.3,1) both lap-streak-ring;position:absolute;top:-13px;left:-13px}@keyframes lap-streak-ring{0%{opacity:.8;transform:scale(.35)}to{opacity:0;border-width:.5px;transform:scale(3)}}.lap-streak-ember{background:var(--streak);width:4px;height:4px;animation:1.45s cubic-bezier(.2,.8,.3,1) both lap-streak-ember;animation-delay:calc(var(--i) * 42ms);border-radius:50%;position:absolute;top:-2px;left:-2px}@keyframes lap-streak-ember{0%{opacity:0;transform:rotate(var(--a)) translateY(-5px) scale(.5)}20%{opacity:1}to{opacity:0;transform:rotate(var(--a)) translateY(calc(-21px - var(--d))) scale(.2)}}@media (prefers-reduced-motion:reduce){.lap-streak-flame{transition:color .26s,filter .26s}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-flame,.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-fire:before,.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-spark{animation:none}.lap-streak-btn:hover:not(.is-celebrating) .lap-streak-flame{filter:drop-shadow(0 0 6px color-mix(in srgb, var(--streak) 55%, transparent))}.lap-streak-spark{display:none}.lap-streak-btn.is-celebrating .lap-streak-flame{animation:none}.lap-streak-glow,.lap-streak-ring,.lap-streak-ember,.lap-streak-rollout{display:none}.lap-streak-rollin{animation:.7s both lap-streak-fadein}.lap-streak-plus{animation:1.9s both lap-streak-fadeout;transform:translate(-50%,-8px)}}@keyframes lap-streak-fadein{0%{opacity:0}to{opacity:1}}@keyframes lap-streak-fadeout{0%{opacity:0}18%{opacity:1}62%{opacity:1}to{opacity:0}}.lap-streak-pop{z-index:20;background:var(--ink);width:264px;color:var(--canvas);border-radius:16px;flex-direction:column;gap:8px;padding:12px;display:flex;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 8px 26px #0b0d1238}.lap-streak-pop:before{content:"";width:100%;height:12px;position:absolute;top:-12px;right:0}.lap-streak-head{justify-content:space-between;align-items:center;display:flex}.lap-streak-month{font-size:13px;font-weight:800}.lap-streak-nav{width:26px;height:26px;color:color-mix(in srgb, var(--canvas) 65%, transparent);cursor:pointer;background:0 0;border:none;border-radius:999px;padding:0;font-size:16px;line-height:1}.lap-streak-nav:hover:not(:disabled){background:color-mix(in srgb, var(--canvas) 14%, transparent);color:var(--canvas)}.lap-streak-nav:disabled{opacity:.3;cursor:default}.lap-streak-grid{grid-template-columns:repeat(7,1fr);justify-items:center;row-gap:3px;display:grid}.lap-streak-wd{letter-spacing:.06em;color:color-mix(in srgb, var(--canvas) 55%, transparent);padding-bottom:2px;font-size:10px;font-weight:800}.lap-streak-day{width:29px;height:29px;color:var(--canvas);cursor:default;border-radius:999px;place-items:center;font-size:12px;font-weight:700;display:grid}.dl-tt:hover .lap-streak-day:not(.is-active):not(.is-chain){background:color-mix(in srgb, var(--canvas) 14%, transparent)}.lap-streak-day.is-active{background:color-mix(in srgb, var(--streak) 26%, transparent);color:var(--streak);font-weight:800}.lap-streak-day.is-chain{background:var(--streak);color:#fff}.lap-streak-day.is-today{box-shadow:inset 0 0 0 1.5px var(--canvas)}.lap-streak-day.is-today.is-chain{box-shadow:none}.lap-streak-day.is-future{color:var(--canvas);opacity:.35}.dl-tt-tip:has(.lap-streak-tipbody){background:var(--canvas);color:var(--ink);border:1px solid var(--border)}.lap-streak-tipbody{flex-direction:column;gap:3px;display:flex}.lap-streak-tipdate{letter-spacing:.05em;text-transform:uppercase;opacity:.72;font-size:10.5px;font-weight:800}.lap-streak-tipline{align-items:center;gap:7px;font-weight:600;display:flex}.lap-streak-tipline svg{opacity:.85;flex:none}.lap-streak-tipnone{opacity:.72}.lap-account{display:flex;position:relative}.lap-account-menu{z-index:20;border:1.5px solid var(--border);background:var(--surface);min-width:270px;box-shadow:0 2px 0 var(--border);border-radius:16px;flex-direction:column;gap:10px;padding:12px;display:none;position:absolute;top:calc(100% + 10px);right:0}.lap-account-menu.is-open{display:flex}.lap-account-name{letter-spacing:.06em;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;padding:0 2px;font-size:12px;font-weight:800;overflow:hidden}.lap-school{border:1.5px solid var(--border);border-radius:12px;flex-direction:column;gap:8px;padding:10px 12px;display:flex}.lap-school-label{letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-size:10.5px;font-weight:800}.lap-school-current{align-items:center;gap:8px;display:flex}.lap-school-name{min-width:0;color:var(--ink);flex:1;font-size:13px;font-weight:800;line-height:1.35}.lap-school-change{color:var(--primary);cursor:pointer;text-align:left;background:0 0;border:none;flex:none;padding:4px 0;font-family:inherit;font-size:12.5px;font-weight:800}.lap-school-change:hover{color:var(--deep)}.lap-school-input{border:1.5px solid var(--border);background:var(--canvas);height:38px;color:var(--ink);border-radius:10px;outline:none;padding:0 12px;font-family:inherit;font-size:13px;font-weight:600}.lap-school-input:focus{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-school-results{flex-direction:column;max-height:190px;display:flex;overflow-y:auto}.lap-school-result{color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:7px 8px;font-family:inherit;font-size:12.5px;font-weight:700;display:flex}.lap-school-result-name{flex:1;min-width:0}.lap-school-badge{background:var(--tint);color:var(--tint-fg);letter-spacing:.06em;text-transform:uppercase;border-radius:999px;flex:none;padding:1px 8px;font-size:10px;font-weight:800}.lap-school-result:hover{background:var(--soft)}.lap-school-hint{color:var(--muted);font-size:11.5px;line-height:1.4}.lap-school-hint--error{color:var(--danger)}.lap-theme-row{border:1.5px solid var(--border);border-radius:999px;gap:4px;padding:4px;display:flex}.lap-theme-opt{height:30px;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:999px;flex:1;font-family:inherit;font-size:12.5px;font-weight:700;transition:background .16s,color .16s}.lap-theme-opt:hover{background:var(--soft);color:var(--ink)}.lap-theme-opt.is-active{background:var(--ink);color:var(--canvas);font-weight:800}.lap-account-item{border:1.5px solid var(--border);background:var(--canvas);height:40px;color:var(--ink);cursor:pointer;border-radius:12px;font-family:inherit;font-size:13.5px;font-weight:800;transition:background .16s}.lap-account-item:hover{background:var(--soft)}.lap-button{border:1.5px solid var(--deep);background:var(--primary);color:#fff;height:44px;box-shadow:0 2px 0 var(--deep);cursor:pointer;border-radius:12px;padding:0 22px;font-family:inherit;font-size:14px;font-weight:800;transition:transform .16s,box-shadow .16s}.lap-button:hover:not(:disabled){box-shadow:0 3px 0 var(--deep);transform:translateY(-1px)}.lap-button:active:not(:disabled){box-shadow:0 0 0 var(--deep);transform:translateY(1px)}.lap-button:disabled{opacity:.45;cursor:default}.lap-button--pill{border-radius:999px;height:36px;padding:0 18px;font-size:13px}.lap-error{color:var(--danger);margin:8px 0 0;font-size:13.5px;font-weight:700}.lap-signin{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:40px 24px;display:flex}.lap-signin-wordmark{color:var(--primary);font-family:VAG Rundschrift,Manrope,sans-serif;font-size:34px}.lap-signin h1{letter-spacing:-.03em;margin:6px 0 0;font-size:40px;font-weight:800;line-height:1.05}.lap-signin-sub{color:var(--muted);margin:4px 0 18px;font-size:15px}.lap-signin-form{flex-direction:column;gap:10px;width:min(320px,100%);display:flex}.lap-signin-form input{border:1.5px solid var(--border);background:var(--surface);height:46px;color:var(--ink);border-radius:12px;outline:none;padding:0 16px;font-family:inherit;font-size:14px;font-weight:600;transition:border-color .16s,box-shadow .16s}.lap-signin-form input::placeholder{color:var(--muted);font-weight:500}.lap-signin-form input:focus{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-social-button{border:1.5px solid var(--border);background:var(--surface);height:46px;color:var(--ink);box-shadow:0 2px 0 var(--border);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:0 18px;font-family:inherit;font-size:14px;font-weight:800;transition:transform .16s;display:inline-flex}.lap-social-button:hover:not(:disabled){transform:translateY(-1px)}.lap-social-button:disabled{opacity:.55;cursor:default}.lap-signin-or{width:min(320px,100%);margin:6px 0}.lap-or-import{align-items:center;gap:10px;display:flex}.lap-or-import:before,.lap-or-import:after{content:"";background:var(--border);flex:1;height:1.5px}.lap-or-import span{letter-spacing:.08em;color:var(--muted);font-size:11px;font-weight:800}.lap-onboarding{flex-direction:column;flex:1;align-items:center;padding:26px 24px 60px;display:flex}.lap-onboarding-top{align-items:center;gap:14px;width:min(440px,100%);display:flex}.lap-onboarding-back-spacer{flex:none;width:26px}.lap-onboarding-progress{background:var(--soft);border-radius:999px;flex:1;height:8px;overflow:hidden}.lap-onboarding-progress span{border-radius:inherit;background:linear-gradient(90deg, var(--primary), var(--sky));height:100%;transition:width .26s;display:block}.lap-onboarding-step{transform-origin:50% 40%;flex-direction:column;align-items:center;gap:24px;width:min(440px,100%);margin:auto 0;animation:.26s ease-out lap-zoom-in;display:flex}.lap-onboarding-step h1{letter-spacing:-.02em;color:var(--ink);text-align:center;margin:0;font-size:26px;font-weight:800}.lap-onboarding-sub{color:var(--muted);text-align:center;margin:-8px 0 0;font-size:15px}.lap-onboarding-options{flex-direction:column;gap:10px;width:100%;display:flex}.lap-onboarding-option{border:1.5px solid var(--border);background:var(--surface);min-height:52px;color:var(--ink);text-align:left;cursor:pointer;box-shadow:0 2px 0 var(--border);border-radius:14px;align-items:center;gap:10px;padding:0 18px;font-family:inherit;font-size:14.5px;font-weight:700;transition:transform .16s,border-color .16s;display:flex}.lap-onboarding-option:hover{border-color:var(--sky);transform:translateY(-1px)}.lap-onboarding-option.is-selected{border-color:var(--primary);background:var(--tint);color:var(--tint-fg)}.lap-ask{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:22px;padding:34px 24px 76px;display:flex}.lap-ask-title{letter-spacing:-.02em;color:var(--ink);text-align:center;margin:0;font-size:32px;font-weight:800}.lap-course-composer{flex-direction:column;gap:12px;width:min(100%,570px);display:flex}.lap-learning-modes{grid-template-columns:1fr 1fr;gap:10px;display:grid}.lap-learning-modes button{border:1.5px solid var(--border);background:var(--canvas);height:44px;color:var(--muted);cursor:pointer;border-radius:999px;font:800 13px/1 inherit;transition:background .16s,color .16s,border-color .16s}.lap-learning-modes button:hover{border-color:var(--ink);color:var(--ink)}.lap-learning-modes button.is-active{border-color:var(--ink);background:var(--ink);color:var(--canvas)}.lap-composer-section{flex-direction:column;gap:8px;display:flex}.lap-course-code{grid-template-columns:1.25fr 1fr;gap:10px;display:grid}.lap-course-code input{border:1.5px solid var(--border);background:var(--canvas);min-width:0;height:50px;color:var(--ink);border-radius:12px;outline:none;padding:0 16px;font-family:inherit;font-size:13.5px;font-weight:800;transition:border-color .16s,box-shadow .16s}.lap-course-code input::placeholder{color:var(--muted);font-weight:700}.lap-course-code input:focus{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-door-hint{color:var(--muted);font-size:12.5px;line-height:1.5;display:block}.lap-door-hint a{color:var(--primary);font-weight:700;text-decoration:none}.lap-door-hint a:hover{color:var(--deep)}.lap-door-hint--error{color:var(--danger);font-weight:700}.lap-select{border:1.5px solid var(--border);background-color:var(--canvas);min-width:0;height:50px;color:var(--ink);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%235c6672' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;border-radius:12px;outline:none;padding:0 34px 0 14px;font-family:inherit;font-size:13.5px;font-weight:800;transition:border-color .16s,box-shadow .16s}.lap-select:focus{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-select:disabled{opacity:.5;cursor:default}.lap-anything-prompt{border:1.5px solid var(--border);background:var(--surface);border-radius:20px;flex-direction:column;min-height:154px;padding:18px 18px 14px;transition:border-color .16s,box-shadow .16s;display:flex}.lap-anything-prompt:focus-within{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-anything-prompt textarea{resize:none;width:100%;min-height:76px;color:var(--ink);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:17px;font-weight:650;line-height:1.45}.lap-anything-prompt textarea::placeholder{color:var(--muted);font-weight:500}.lap-prompt-actions{gap:8px;display:flex}.lap-prompt-actions button{border:1px solid var(--border);background:var(--soft);height:36px;color:var(--ink);cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:0 12px;font-family:inherit;font-size:12px;font-weight:800;display:flex}.lap-prompt-actions button:hover{border-color:var(--sky);color:var(--primary)}.lap-action-icon{width:15px;height:15px;color:var(--primary);place-items:center;display:inline-grid}.lap-action-icon svg{width:15px;height:15px}.lap-file-input{display:none}.lap-youtube-input,.lap-study-details,.lap-target-date input{border:1.5px solid var(--border);background:var(--canvas);width:100%;color:var(--ink);border-radius:12px;outline:none;font:600 13.5px/1.45 inherit;transition:border-color .16s,box-shadow .16s}.lap-youtube-input:focus,.lap-study-details:focus,.lap-target-date input:focus{border-color:var(--sky);box-shadow:var(--focus-ring)}.lap-youtube-input{height:48px;padding:0 14px}.lap-upload-drop{border:1.5px dashed var(--border);background:var(--canvas);min-height:116px;color:var(--ink);cursor:pointer;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:4px;font-family:inherit;display:flex}.lap-upload-drop:hover{border-color:var(--sky);background:var(--tint)}.lap-upload-drop strong{font-size:13px}.lap-upload-drop span{color:var(--muted);font-size:12px}.lap-upload-drop em{color:var(--primary);font-size:12px;font-style:normal;font-weight:800}.lap-study-details{resize:vertical;min-height:84px;padding:13px 14px}.lap-target-date{color:var(--muted);grid-template-columns:auto 1fr;align-items:center;gap:12px;font-size:12px;font-weight:750;display:grid}.lap-target-date input{height:46px;padding:0 14px}.lap-dive-button{background:var(--primary);color:#fff;cursor:pointer;min-width:104px;height:48px;box-shadow:0 3px 0 var(--deep);border:none;border-radius:999px;align-self:center;padding:0 24px;font:800 14px/1 inherit}.lap-dive-button:disabled{opacity:.42;cursor:default;box-shadow:none}.lap-import-note{color:var(--muted);min-height:18px;margin:0;font-size:12.5px}@media (width<=680px){.lap-ask{justify-content:flex-start;padding-top:72px}.lap-ask-title{font-size:28px}.lap-learning-modes,.lap-course-code,.lap-target-date{grid-template-columns:1fr}}.lap-map-heading{padding:28px 40px 0}.lap-map-heading h1{letter-spacing:-.02em;color:var(--ink);margin:0;font-size:26px;font-weight:800}.lap-map-stage{flex:1;min-height:0;display:flex;position:relative}.lap-map-field{flex:1;min-width:0;margin:8px 24px 24px;position:relative}.lap-map-level{animation:.32s cubic-bezier(.22,.9,.32,1) lap-zoom-in;position:absolute;inset:0}.lap-map-level--out{animation:.32s cubic-bezier(.22,.9,.32,1) lap-zoom-out}@keyframes lap-zoom-in{0%{opacity:0;transform:scale(.45)}to{opacity:1;transform:scale(1)}}@keyframes lap-zoom-out{0%{opacity:0;transform:scale(1.45)}to{opacity:1;transform:scale(1)}}.lap-map-edges{width:100%;height:100%;position:absolute;inset:0}.lap-node{cursor:pointer;touch-action:none;user-select:none;background:0 0;border:none;flex-direction:column;align-items:center;gap:6px;padding:0;font-family:inherit;transition:transform .16s,opacity .16s;display:flex;position:absolute;transform:translate(-50%,-50%)}.lap-node:hover{transform:translate(-50%,-50%)scale(1.08)}.lap-node:focus-visible{outline:none}.lap-node:focus-visible .lap-node-ring{box-shadow:0 3px 0 var(--border), var(--focus-ring)}.lap-node--static{cursor:default}@keyframes lap-node-rise{0%{opacity:0;transform:translate(-50%, calc(-1 * var(--node-half,50%) + 10px))}to{opacity:1;transform:translate(-50%, calc(-1 * var(--node-half,50%)))}}.dl-map--board .lap-node{animation:.34s cubic-bezier(.22,.9,.3,1) both lap-node-rise;animation-delay:calc(var(--rise,0) * 70ms)}@media (prefers-reduced-motion:reduce){.dl-map--board .lap-node{animation:none}}.lap-node--faded{opacity:.24}.lap-node--faded:hover{opacity:.55}.lap-node--lit .lap-node-ring{box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent), 0 3px 0 var(--border)}.lap-node--static:hover{transform:translate(-50%,-50%)}.lap-node-ring{box-shadow:0 3px 0 var(--border);border-radius:999px;transition:box-shadow .16s;position:relative}.lap-node:hover .lap-node-ring{box-shadow:0 6px 18px #0000002e}.lap-node-core{border:2.5px solid var(--canvas);color:#fff;border-radius:999px;place-items:center;width:100%;height:100%;font-weight:800;display:grid}.lap-node-sats{pointer-events:none;opacity:.66;width:0;height:0;position:absolute;top:50%;left:50%;overflow:visible}.lap-node-sats-stems{position:absolute;top:-180px;left:-180px;overflow:visible}.lap-node-sat{flex-direction:column;align-items:center;gap:3px;display:flex;position:absolute;transform:translate(-50%,-50%)}.lap-node-sat-ball{color:#fff;border:2px solid var(--canvas);border-radius:999px;place-items:center;width:28px;height:28px;display:grid}.lap-node-sat-name{max-width:92px;color:var(--muted);text-align:center;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:9.5px;font-weight:800;line-height:1.15;display:-webkit-box;overflow:hidden}.lap-node-badge{background:var(--canvas);border:1.5px solid var(--border);width:24px;height:24px;box-shadow:0 1.5px 0 var(--border);border-radius:999px;place-items:center;display:grid;position:absolute;top:-2px;right:-2px}.lap-node-label{text-align:center;max-width:150px}.lap-node-name{-webkit-line-clamp:2;color:var(--ink);background:color-mix(in srgb, var(--canvas) 82%, transparent);border-radius:6px;-webkit-box-orient:vertical;padding:1px 5px;font-size:12.5px;font-weight:800;line-height:1.25;display:-webkit-box;overflow:hidden}.lap-node--center .lap-node-name{font-size:14px}.lap-node-pill{color:#fff;border-radius:999px;margin-top:3px;padding:2px 9px;font-size:11px;font-weight:800;display:inline-flex}.lap-block{background:var(--surface);border:1px solid var(--border);text-align:left;border-radius:15px;align-items:center;gap:11px;padding:10px 13px 12px 11px;transition:border-color .16s;display:flex;position:relative;overflow:hidden}.lap-block--lit,.lap-node:hover .lap-block--lit{border-color:var(--accent)}.lap-block-flood{pointer-events:none;position:absolute;bottom:0;left:0;right:0}.lap-block--full .lap-block-name{color:var(--ink)}.lap-block--open{border-color:color-mix(in srgb, var(--accent) 40%, var(--border));box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent)}.lap-node:hover .lap-block{border-color:color-mix(in srgb, var(--accent) 48%, var(--border))}.lap-node:focus-visible .lap-block{box-shadow:var(--focus-ring)}.lap-block-icon,.lap-block-text,.lap-block-chev{position:relative}.lap-block-icon{flex:none;place-items:center;width:26px;height:26px;display:grid;box-shadow:none!important;background:0 0!important}.lap-block-text{flex-direction:column;gap:2px;min-width:0;display:flex}.lap-block-name{color:var(--ink);overflow-wrap:anywhere;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13.5px;font-weight:800;line-height:1.2;display:-webkit-box;overflow:hidden}.lap-block-meta{align-items:center;gap:6px;min-width:0;display:flex}.lap-block-flag{color:var(--gold);background:color-mix(in srgb, var(--gold) 16%, transparent);border-radius:999px;flex:none;padding:1px 6px;font-size:10px;font-weight:800}.lap-block-flag--ready{color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent)}.lap-block-note{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;font-weight:700;overflow:hidden}.lap-block-chev{color:var(--muted);place-items:center;display:grid;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.lap-hero{margin:4px var(--gutter) 0;align-items:center;gap:14px;padding:6px 2px 8px;display:flex}.lap-hero-back{width:30px;height:30px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:999px;flex:none;place-items:center;display:grid}.lap-hero-back:hover{background:var(--soft)}.lap-hero-main{flex-direction:column;flex:auto;gap:6px;min-width:0;display:flex}.lap-hero-title{align-items:baseline;gap:10px;display:flex}.lap-hero-title h2{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:18px;font-weight:800;line-height:1.15;overflow:hidden}.lap-hero-title b{font-variant-numeric:tabular-nums;font-size:13px;font-weight:800}.lap-hero-facts{color:var(--muted);flex-wrap:wrap;align-items:baseline;gap:2px 14px;margin:0;font-size:11.5px;font-weight:600;display:flex}.lap-hero-facts span{align-items:baseline;gap:4px;display:inline-flex}.lap-hero-facts span+span:before{content:"·";color:color-mix(in srgb, var(--muted) 55%, transparent);margin-right:10px}.lap-hero-facts b{color:var(--ink);font-variant-numeric:tabular-nums;font-size:12.5px;font-weight:800}.lap-hero-facts .is-dim{color:color-mix(in srgb, var(--muted) 70%, transparent)}.lap-hero-facts .is-near{color:var(--gold)}.lap-hero-go{color:#fff;font:inherit;cursor:pointer;border:0;border-radius:999px;flex:none;align-items:center;gap:8px;padding:9px 15px;font-size:12.5px;font-weight:800;transition:transform .14s,filter .14s;display:inline-flex}.lap-hero-go:hover{filter:brightness(1.06);transform:translateY(-1px)}.lap-hero-go em{font-size:15px;font-style:normal}.lap-node--new .lap-node-dashed{border:2px dashed var(--sky);background:var(--canvas);width:58px;height:58px;color:var(--primary);border-radius:999px;place-items:center;font-size:24px;font-weight:800;transition:box-shadow .16s;display:grid}.lap-node--new .lap-node-name{color:var(--muted);font-size:12px}.lap-crumbchip{z-index:2;border:1.5px solid var(--border);background:var(--surface);height:42px;box-shadow:0 2px 0 var(--border);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;max-width:calc(100% - 48px);padding:0 18px 0 12px;display:flex;position:absolute;top:20px;left:24px;overflow:hidden}.lap-crumbchip-back{width:26px;height:26px;color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:999px;flex:none;place-items:center;padding:0;display:grid}.lap-crumbchip-back:hover{background:var(--soft);color:var(--ink)}.lap-crumb{color:var(--muted);cursor:pointer;text-overflow:ellipsis;background:0 0;border:none;max-width:180px;padding:0;font-family:inherit;font-size:13px;font-weight:700;overflow:hidden}.lap-crumb:hover{color:var(--ink)}.lap-crumb-sep{color:var(--border);font-size:12px}.lap-crumb--current{color:var(--ink);cursor:default;align-items:center;gap:7px;font-weight:800;display:inline-flex}.lap-crumb-dot{border-radius:999px;flex:none;width:9px;height:9px}.lap-fill-status{z-index:2;background:var(--tint);height:34px;color:var(--tint-fg);border-radius:999px;align-items:center;gap:7px;padding:0 14px;font-size:12.5px;font-weight:800;display:inline-flex;position:absolute;top:20px;right:24px}.lap-fill-status--failed{border:1.5px solid var(--danger);color:var(--danger);background:0 0}.lap-map-hint{text-align:center;color:var(--muted);margin:0;padding:0 0 14px;font-size:12px}.lap-map-loading{color:var(--muted);font-size:14px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lap-feed-empty{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:24px;display:flex}.lap-feed-dot{border-radius:999px;width:14px;height:14px;margin-bottom:6px}.lap-feed-empty h2{letter-spacing:-.02em;color:var(--ink);margin:0;font-size:26px;font-weight:800}.lap-feed-empty p{color:var(--muted);max-width:380px;margin:0 0 8px;font-size:15px;line-height:1.6}.lap-button--ghost{height:44px;color:var(--primary);cursor:pointer;background:0 0;border:none;border-radius:12px;padding:0 18px;font-family:inherit;font-size:14px;font-weight:800;transition:background .16s}.lap-button--ghost:hover{background:var(--tint)}.lap-feedq{flex:1;justify-content:center;align-items:center;min-height:0;padding:24px;display:flex;position:relative}.lap-feedq--center{flex-direction:column}.lap-feedq-loading{text-align:center;flex-direction:column;align-items:center;gap:14px;display:flex}.lap-feedq-card{flex-direction:column;gap:30px;width:min(880px,100%);animation:.28s cubic-bezier(.22,.9,.32,1) lap-feedq-in;display:flex}@keyframes lap-feedq-in{0%{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}.lap-feedq-context{align-items:center;gap:10px;min-width:0;display:flex}.lap-feedq-dot{border-radius:999px;flex:none;width:32px;height:32px}.lap-feedq-course{color:var(--ink);white-space:nowrap;font-size:14px;font-weight:800}.lap-feedq-topic{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700;overflow:hidden}.lap-feedq-badge{letter-spacing:.04em;text-transform:uppercase;text-overflow:ellipsis;white-space:nowrap;border:1.5px solid;border-radius:999px;flex:none;max-width:40%;margin-left:auto;padding:2px 10px;font-size:11px;font-weight:800;overflow:hidden}.lap-feedq-stem{letter-spacing:-.01em;color:var(--ink);font-size:30px;font-weight:800;line-height:1.4}.lap-feedq-options{grid-template-columns:1fr 1fr;gap:14px;display:grid}.lap-feedq-option{border:1.5px solid var(--border);background:var(--surface);min-height:68px;color:var(--ink);text-align:left;cursor:pointer;box-shadow:0 2px 0 var(--border);border-radius:14px;align-items:center;gap:14px;padding:14px 22px;font-family:inherit;font-size:16px;font-weight:700;transition:border-color .16s,transform .16s;display:flex}.lap-feedq-option b{color:var(--muted);font-weight:800}.lap-feedq-option:hover:not(:disabled){border-color:var(--option-hover,var(--sky));transform:translateY(-1px)}.lap-feedq-option:disabled{cursor:default}.lap-feedq-option.is-correct{border-color:var(--success);background:var(--success-bg);color:var(--success-fg)}.lap-feedq-option.is-correct b{color:var(--success-fg)}.lap-feedq-option.is-wrong{border-color:var(--danger);color:var(--danger)}.lap-feedq-option.is-wrong b{color:var(--danger)}.lap-feedq-after{flex-direction:column;gap:14px;display:flex}.lap-feedq-explain{color:var(--muted);margin:0;font-size:14px;line-height:1.6}.lap-feedq-actions{align-items:center;gap:12px;display:flex}.lap-feedq-actions .lap-button{color:#fff}.lap-feedq-nice{border-radius:999px;align-items:center;gap:8px;height:38px;padding:0 18px;font-size:13.5px;font-weight:800;display:inline-flex}.lap-feedq-pager{flex-direction:column;align-items:center;gap:16px;display:flex;position:absolute;top:50%;right:34px;transform:translateY(-50%)}.lap-feedq-pagerbtn{border:1.5px solid var(--border);width:42px;height:42px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;place-items:center;padding:0;transition:background .16s,color .16s;display:grid}.lap-feedq-pagerbtn:hover:not(:disabled){background:var(--soft);color:var(--ink)}.lap-feedq-pagerbtn:disabled{color:var(--border);cursor:default}.lap-feedq-dots{flex-direction:column;align-items:center;gap:6px;display:flex}.lap-feedq-dots span{background:var(--border);border-radius:999px;width:6px;height:6px}.lap-feedq-dots span.is-current{height:18px}.lap-feedq-writing{font-size:12px;font-weight:800;animation:1.4s ease-in-out infinite lap-writing-pulse;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}@keyframes lap-writing-pulse{0%,to{opacity:.4}50%{opacity:1}}.lap-lesson{flex-direction:column;flex:1;min-height:0;display:flex}.lap-lesson-bottom{flex:none;align-items:center;gap:18px;padding:12px 110px 22px;display:flex}.lap-lesson-progress{flex:1;gap:8px;display:flex}.lap-lesson-progress span{border-radius:999px;flex:1;height:7px}.lap-lesson-stage{flex:1;justify-content:center;min-height:0;display:flex;position:relative;overflow:hidden}.lap-lesson-page{flex-direction:column;width:min(840px,100% - 160px);padding:24px 0 60px;animation:.26s ease-out lap-lesson-in;display:flex;overflow-y:auto}.lap-lesson-inner{flex-direction:column;gap:16px;margin:auto 0;display:flex}@keyframes lap-lesson-in{0%{opacity:0;transform:translate(26px)}to{opacity:1;transform:translate(0)}}.lap-lesson-page h2{letter-spacing:-.02em;color:var(--ink);margin:0;font-size:30px;font-weight:800}.lap-lesson-page p{color:var(--ink);white-space:pre-line;margin:0;font-size:15px;line-height:1.65}.lap-lesson-example{border:1.5px solid var(--border);background:var(--surface);color:var(--ink);white-space:pre-line;border-radius:16px;padding:20px 24px;font-family:Georgia,serif;font-size:17px;font-weight:700;line-height:1.6}.lap-lesson-answer{font-family:inherit;font-size:15px;font-weight:600}.lap-feedq-dots span.is-lesson{border-radius:3px}.lap-lesson-pager{border:1.5px solid var(--border);background:var(--surface);width:46px;height:46px;color:var(--muted);cursor:pointer;border-radius:999px;flex:none;place-items:center;padding:0;transition:background .16s,color .16s,transform .16s;display:grid}.lap-lesson-pager:hover:not(:disabled){background:var(--soft);color:var(--ink)}.lap-lesson-pager:disabled{color:var(--border);cursor:default}.lap-lesson-pager--next:hover{background:unset;transform:translateY(1px)}.lap-math-display{text-align:center;margin:6px 0;display:block;overflow-x:auto}.lap-kp-panel{border-left:1px solid var(--border);background:var(--surface);flex:0 0 400px;max-width:400px;padding:24px 24px 40px;overflow-y:auto}.lap-eyebrow{letter-spacing:.1em;color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:800;display:block}.lap-kp-panel-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.lap-kp-panel-head h3{color:var(--ink);margin:6px 0 0;font-size:18px;font-weight:700}.lap-kp-objective{color:var(--muted);margin:8px 0 0;font-size:13.5px;line-height:1.55}.lap-close{border:1.5px solid var(--border);width:30px;height:30px;color:var(--muted);cursor:pointer;background:0 0;border-radius:999px;flex:none;place-items:center;padding:0;font-size:16px;display:grid}.lap-close:hover{background:var(--soft);color:var(--ink)}.lap-kp-empty{color:var(--muted);margin-top:20px;font-size:13.5px}.lap-kp-list{flex-direction:column;gap:12px;margin:20px 0 0;padding:0;list-style:none;display:flex}.lap-kp-list li{border:1.5px solid var(--border);background:var(--canvas);border-radius:16px;padding:14px 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h2{font-size:var(--read-h2)}.dl-lesson-scroll .dl-doc h3{font-size:var(--read-h3);margin-bottom:clamp(9px,1.45vh,13px)}.dl-lesson-scroll .dl-doc section p,.dl-lesson-scroll .dl-doc .dl-prose p{font-size:var(--read-p);margin-bottom:clamp(10px,1.7vh,15px);line-height:1.65}.dl-doc h2{font-size:clamp(20px,2.65vh,23px)}.dl-lesson-scroll .dl-doc .dl-stem .dl-prose p,.dl-lesson-scroll .dl-doc .dl-solution .dl-prose p{font:inherit;line-height:inherit}.dl-doc .dl-stem,.dl-doc .dl-practice .dl-stem{font-size:var(--read-stem);margin:0 0 12px;line-height:1.5}.dl-doc .dl-practice-tag{margin-bottom:8px}.dl-doc .dl-options{gap:var(--read-gap)}.dl-doc .dl-option,.dl-doc .dl-practice .dl-option{font-size:var(--read-opt);padding:var(--read-pad) 14px;gap:10px}.dl-doc .dl-verdict{font-size:var(--read-p);margin:clamp(12px,2.1vh,18px) 0 6px}.dl-doc .dl-missnote{font-size:var(--read-sol)}.dl-doc .dl-solution{font-size:var(--read-sol);padding:var(--read-pad) 14px;margin-bottom:clamp(14px,2.4vh,21px);line-height:1.55}.dl-lblock{margin-bottom:clamp(34px,5.2vh,46px)}.dl-stepper{display:none}.dl-lesson-chrome{padding:12px var(--gutter) 0}.dl-genbar{padding-top:32px}.dl-lockin{border:1px solid var(--border);background:var(--canvas);border-radius:999px;width:38px;height:38px}.dl-cardstage{padding:8px var(--gutter) 48px}.dl-bigcard{min-height:220px;padding:28px 20px;font-size:24px}.dl-bigcard.is-flipped{font-size:17px}.dl-card-flip{height:min(380px,52dvh)}.dl-card-face{padding:28px 22px 34px}.dl-card-front{font-size:22px;line-height:1.4}.dl-card-back{font-size:16.5px;line-height:1.6}.dl-card .dl-ratebtn{flex:1 1 0;min-width:0}.dl-ratebar{gap:6px}.dl-ratebtn{padding:12px 6px;font-size:12.5px}.dl-cardcontrols{gap:4px}.dl-navbtn,.dl-flipbtn{padding:10px 13px;font-size:13px}.dl-center{scrollbar-width:none}.dl-center::-webkit-scrollbar{display:none}.dl-results{padding:40px var(--gutter)}.dl-finish{padding:32px var(--gutter)}.dl-finished{padding:56px 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var(--keyboard-inset,0px))}.dl-sheet-veil{padding:var(--gutter)}.dl-sheet{max-height:min(88dvh,720px);padding:18px 16px 16px}.dl-charting-dock,.dl-toast{bottom:max(64px, env(safe-area-inset-bottom))}.dl-toast{flex-wrap:wrap;row-gap:6px}}@media (height<=560px) and (width<=900px){.dl-map .lap-map-stage{scrollbar-width:none;overflow-y:auto}.dl-map .lap-map-stage::-webkit-scrollbar{display:none}.dl-map .lap-map-field{min-height:560px}}html[data-dolphin-lecture] .dl-help,html[data-dolphin-lecture] .dl-help-btn{display:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.dl-lecture{background:var(--canvas);flex:auto;grid-template-columns:minmax(0,3fr) minmax(340px,2fr);min-height:0;display:grid;overflow:hidden}.dl-lecture[hidden]{display:none}.dl-lecture[data-phase=ready]{grid-template-columns:minmax(0,1fr)}.dl-lecture[data-phase=ready] .dl-lecture-main{border-right:0}.dl-lecture-main{border-right:1px 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var(--border);background:var(--canvas);width:42px;height:42px;color:var(--ink);cursor:pointer;border-radius:8px;font-family:inherit;font-size:18px;font-weight:700}.dl-lecture-finish{color:#fff;cursor:pointer;white-space:nowrap;background:#ef2839;border:0;border-radius:7px;min-height:42px;padding:0 18px;font-family:inherit;font-size:13px;font-weight:700}.dl-pause:disabled,.dl-lecture-finish:disabled{opacity:.55;cursor:wait}.dl-recorder-dock--review{justify-content:center}.dl-lecture-error{position:absolute;bottom:76px;left:42px}.dl-lecture-pip{flex-direction:column;min-width:0;display:flex;overflow:hidden}.dl-lecture-pip-feed{overscroll-behavior:contain;flex-direction:column;flex:auto;gap:9px;min-height:0;padding:24px 24px 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svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;width:19px;height:19px}.dl-lecture-attachment-stack{z-index:3;pointer-events:none;flex-direction:column;align-items:flex-start;gap:7px;display:flex;position:absolute;bottom:calc(100% + 9px);left:18px;right:18px}.dl-lecture-quote{border:1px solid var(--border);background:var(--surface);width:fit-content;max-width:100%;color:var(--muted);pointer-events:auto;border-radius:12px;align-items:center;gap:10px;margin:0;padding:8px 9px 8px 10px;font-size:12.5px;line-height:1.45;animation:.15s ease-out both dl-lecture-attachment-in;display:flex;box-shadow:0 5px 16px #0b0d1212}.dl-lecture-quote span{-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:auto;min-width:0;display:-webkit-box;overflow:hidden}.dl-lecture-quote button{width:24px;height:24px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;flex:none;place-items:center;padding:0;display:grid}.dl-lecture-quote button:hover{color:var(--ink);background:var(--soft)}.dl-lecture-files{pointer-events:auto;flex-wrap:wrap;gap:7px;margin:0;display:flex}.dl-lecture-file{border:1px solid var(--border);background:var(--surface);max-width:100%;color:var(--muted);border-radius:12px;align-items:center;gap:9px;padding:7px 10px;font-size:12.5px;line-height:1.35;animation:.15s ease-out both dl-lecture-attachment-in;display:flex;box-shadow:0 5px 16px #0b0d1212}.dl-lecture-file span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.dl-lecture-file button{width:22px;height:22px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:7px;flex:none;place-items:center;padding:0;display:grid}.dl-lecture-file button:hover{color:var(--ink);background:var(--soft)}@keyframes dl-lecture-attachment-in{0%{opacity:0;transform:translateY(4px)scale(.985)}to{opacity:1;transform:none}}.dl-lecture-chat-error{color:var(--muted);margin:8px 4px 0;font-size:12.5px;line-height:1.4}@media (width<=720px){.dl-lecture{display:block;overflow-y:auto}.dl-lecture-main{border-right:0;min-height:calc(100dvh - 64px)}.dl-lecture-pip{border-top:1px solid var(--border);min-height:72dvh}.dl-transcript{padding-left:var(--gutter);padding-right:var(--gutter)}.dl-transcript-line{grid-template-columns:58px 1fr;gap:10px;padding-inline:0}.dl-recorder-dock{padding:10px var(--gutter);flex-wrap:wrap}.dl-microphone-picker{order:1;width:50%;max-width:none}.dl-recording-quality{order:1;margin-left:auto}.dl-recording-state{flex:auto}.dl-level-bars{min-width:90px}.dl-lecture-finish{flex:auto}.dl-lecture-pip-feed{min-height:42dvh;padding:20px var(--gutter) 14px}.dl-lecture-pip-ask{padding:10px var(--gutter) max(18px, env(safe-area-inset-bottom))}}@media 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.dl-mstone{gap:6px}}.dl-help-count{color:var(--muted);font:inherit;opacity:.7;font-variant-numeric:tabular-nums;user-select:none;flex:none;font-size:12px}.dl-help-count--full{color:var(--ink);opacity:1}@media (width>=721px){.dl-map--board .dl-mstone-dock{inset:auto auto 14px 46px}}.dl-panel--topic{width:292px;padding:14px 16px 15px}.dl-panel--topic .dl-panel-head{flex-wrap:nowrap;align-items:flex-start;gap:10px}.dl-panel--topic h3{margin:0;font-size:16px;font-weight:800}.dl-panel--topic .dl-panel-close{margin-top:-2px;line-height:1}.dl-drawer{z-index:6;background:var(--surface);border:1px solid var(--border);border-radius:16px;flex-direction:column;width:340px;max-width:calc(100% - 28px);max-height:calc(100% - 28px);animation:.18s both dl-drawer-in;display:flex;position:absolute;top:14px;right:14px;overflow:hidden;box-shadow:0 10px 26px -16px #0b0d1280}@keyframes dl-drawer-in{0%{opacity:0}to{opacity:1}}.dl-drawer--rail{width:300px;max-height:calc(100% - 40px);inset:26px auto auto 18px}.dl-drawer-head{align-items:flex-start;gap:9px;padding:13px 14px 4px 15px;display:flex}.dl-drawer-head div{flex:1;min-width:0}.dl-drawer-head h3{margin:0;font-size:14.5px;font-weight:800;line-height:1.25}.dl-drawer-close{color:var(--muted);cursor:pointer;background:0 0;border:0;flex:none;padding:0 2px;font-size:17px;line-height:1}.dl-board{--cluster-min:216px;justify-content:center;align-items:center;gap:var(--rung-gap,24px);flex-direction:column-reverse;padding:16px 14px;display:flex;position:absolute;inset:0}.dl-rung{justify-content:center;align-items:flex-start;gap:10px var(--cluster-gap,30px);flex-wrap:wrap;display:flex;position:relative}.dl-cluster{width:max(calc(var(--cols,3) * (var(--tile) + var(--tile-gap,4px)) - var(--tile-gap,4px)), var(--cluster-min,0px));flex-direction:column;gap:6px;display:flex}.dl-tiles{grid-template-columns:repeat(var(--cols,3), var(--tile));gap:var(--tile-gap,4px);display:grid}.dl-tile{width:var(--tile);height:var(--tile);cursor:pointer;border-radius:calc(var(--tile) * .24);background:color-mix(in srgb, var(--ink) 9%, transparent);border:0;padding:0;transition:background-color .24s,box-shadow .26s}.dl-tile.is-open{background:color-mix(in srgb, var(--ink) 20%, transparent)}.dl-tile.is-under-way{background:color-mix(in srgb, var(--accent) var(--fill,42%), transparent)}.dl-tile.is-mastered{background:var(--accent);box-shadow:0 0 13px -3px color-mix(in srgb, var(--accent) 60%, transparent)}.dl-tile.is-inferred{box-shadow:inset 0 0 0 2px var(--accent);background:0 0}.dl-tile.is-inferred:hover{background:color-mix(in srgb, var(--accent) 28%, transparent)}.dl-tile.is-outside{opacity:.14;filter:grayscale();box-shadow:none}.dl-cluster.is-outside .dl-cluster-label{opacity:.32}.dl-tile:hover{background:color-mix(in srgb, var(--ink) 30%, transparent)}.dl-tile.is-under-way:hover{background:color-mix(in srgb, var(--accent) calc(var(--fill,42%) + 14%), transparent)}.dl-tile.is-mastered:hover{background:color-mix(in srgb, var(--accent) 88%, var(--ink))}.dl-tile:focus-visible{outline:2px solid var(--accent);outline-offset:0}.dl-tile.is-inscope{outline:2px solid color-mix(in srgb, var(--accent) 60%, transparent);outline-offset:0}.dl-tile.is-rests-on,.dl-tile.is-opens,.dl-tile.is-picked{outline-offset:0;outline-width:2px;outline-style:solid;outline-color:var(--edge);box-shadow:inset 0 0 0 1.5px var(--canvas)}.dl-tile.is-rests-on{--edge:#4361ee}.dl-tile.is-opens{--edge:#f72585}.dl-tile.is-picked{--edge:var(--accent)}.dl-tile.is-muted{opacity:.55}.dl-tiptag{z-index:7;background:var(--ink);color:var(--canvas);white-space:nowrap;pointer-events:none;border-radius:8px;margin-top:7px;padding:4px 9px;font-size:11.5px;font-weight:700;line-height:1.2;position:absolute;transform:translate(-50%);box-shadow:0 6px 16px -8px #0b0d1299}.dl-cluster-label{white-space:nowrap;overflow-wrap:anywhere;min-height:1.4em;font-size:clamp(11px, calc(var(--tile) * .36), 14px);color:var(--ink);letter-spacing:-.01em;align-items:baseline;gap:10px;font-weight:800;line-height:1.3;display:flex}.dl-cluster-label em{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.82em;font-style:normal;font-weight:700}.dl-cluster.is-done .dl-tiles{filter:drop-shadow(0 0 16px color-mix(in srgb, var(--accent) 42%, transparent))}.dl-cluster.is-done .dl-cluster-label em{color:var(--accent)}.dl-drawer-gate{border-top:1px solid var(--border);margin:11px 15px 14px;padding-top:10px}.dl-drawer-gate>p:first-child{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:9.5px;font-weight:800}.dl-drawer-gate-row{color:var(--ink);justify-content:space-between;gap:12px;margin:0 0 4px;font-size:12.5px;font-weight:700;display:flex}.dl-drawer-gate-row em{color:var(--muted);font-variant-numeric:tabular-nums;flex:none;font-style:normal}@media (width<=720px){.dl-rung{gap:10px 18px}.dl-drawer,.dl-drawer--rail{z-index:120;border-width:0 0 1px;border-radius:0 0 20px 20px;width:auto;max-width:none;max-height:62%;animation-name:dl-sheet-in;position:fixed;inset:0 0 auto;transform:none}.dl-drawer .dl-drawer-head{padding-top:calc(13px + env(safe-area-inset-top,0px))}@keyframes dl-sheet-in{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:none}}}.dl-drawer-state{color:var(--muted);flex-wrap:wrap;align-items:baseline;gap:8px;margin:8px 0 0;font-size:13px;font-weight:700;display:flex}.dl-drawer-state>*+:before{content:"·";color:color-mix(in srgb, var(--muted) 60%, transparent);margin-right:8px}.dl-drawer-state b{font-variant-numeric:tabular-nums;font-size:14px;font-weight:800}.dl-drawer-state span{color:var(--ink);font-weight:800}.dl-drawer-state em{color:var(--gold);font-style:normal;font-weight:800}.dl-drawer--rail .dl-drawer-state{margin:8px 15px 14px}.dl-drawer--rail .dl-drawer-gate+.dl-drawer-state{margin-bottom:0}@media (width<=720px){.dl-board{padding:10px 8px}.dl-cluster-label{white-space:normal;min-height:2.6em}.dl-cluster-label em{display:none}}.dl-log{flex-direction:column;gap:2px;margin:10px 0 4px;padding:0 12px;list-style:none;display:flex}.dl-log li{color:var(--ink);align-items:center;gap:9px;padding:6px 4px;font-size:12.5px;font-weight:700;display:flex}.dl-log li i{width:16px;height:16px;color:var(--muted);flex:none;place-items:center;display:inline-grid}.dl-log li b{font-weight:700}.dl-log li span{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11.5px;font-weight:800}.dl-log li span.is-clean{color:var(--success)}.dl-log li em{color:var(--muted);flex:none;margin-left:auto;font-size:11px;font-style:normal;font-weight:700}.dl-log-empty{color:var(--muted);margin:10px 15px 14px;font-size:12px;font-weight:600}@media (width<=720px){.dl-map .dl-mstone-dock{display:none}.dl-board{--cluster-min:0px;justify-content:flex-end}}.dl-map .dl-mstone.is-on{background:color-mix(in srgb, var(--accent) 18%, transparent)}.dl-map .dl-mstone.is-on b{color:var(--ink)}.dl-map .dl-mstone.is-on em,.dl-map .dl-mstone.is-on u{color:var(--accent)}.dl-map .dl-mstone.is-on .dl-mstone-mini i{background:var(--accent)}.dl-tile{position:relative}.dl-tile.is-due:after{content:"";background:var(--accent);width:8px;height:8px;box-shadow:0 0 0 2px var(--canvas);border-radius:999px;position:absolute;top:-3px;right:-3px}.dl-tile.is-due:hover:after{box-shadow:0 0 0 2px var(--canvas), 0 0 8px var(--accent)}.dl-drawer-go{color:#fff;font:inherit;cursor:pointer;border:0;border-radius:999px;justify-content:center;align-items:center;gap:8px;margin:12px 15px 15px;padding:9px 15px;font-size:12.5px;font-weight:800;transition:filter .14s,transform .14s;display:inline-flex}.dl-drawer-go:hover{filter:brightness(1.06);transform:translateY(-1px)}.dl-drawer-go em{font-size:15px;font-style:normal}