@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.table{display:table}.italic{font-style:italic}}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:#08070c;font-family:Arial,Helvetica,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.nb-app{--bg:#08080c;--sidebar:#0d0c12;--surface:#121117;--surface-2:#17151e;--surface-3:#1d1a25;--line:#ffffff13;--line-strong:#ffffff21;--text:#f6f3fa;--muted:#918c9c;--soft:#c4becb;--purple:#8d4cff;--purple-2:#b89aff;--purple-dark:#3b1168;--purple-glow:#8d4cff29;--green:#5bd6a5;--shadow:0 24px 80px #00000057;min-height:100vh;color:var(--text);background:var(--bg);transition:background .25s,color .25s}.nb-app.theme-light{--bg:#f5f3f8;--sidebar:#fff;--surface:#fff;--surface-2:#f8f7fa;--surface-3:#f0edf4;--line:#23143017;--line-strong:#23143026;--text:#211b29;--muted:#756d7e;--soft:#504757;--purple-glow:#8d4cff1a;--shadow:0 24px 70px #2e18421a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.brand{align-items:center;gap:12px;min-width:170px;display:flex}.brand img{object-fit:contain;width:38px;height:38px}.brand strong{letter-spacing:-.6px;font-size:17px;line-height:1;display:block}.brand strong span{color:var(--purple-2);font-weight:400}.brand small{color:var(--muted);letter-spacing:4.2px;margin-top:6px;font-size:7px;display:block}.brand-compact{min-width:unset}.brand-compact img{width:34px;height:34px}.icon-button{border:1px solid var(--line);width:40px;height:40px;color:var(--soft);background:var(--surface);border-radius:11px;place-items:center;transition:all .2s;display:grid;position:relative}.icon-button:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-1px)}.primary-button,.secondary-button{border:0;border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:42px;padding:0 17px;font-size:12px;font-weight:700;transition:all .2s;display:inline-flex}.primary-button{color:#fff;background:linear-gradient(135deg,#7940e8,#a35cff);box-shadow:0 10px 28px #8547f43d}.primary-button:hover{transform:translateY(-1px);box-shadow:0 14px 34px #8547f457}.primary-button:disabled{opacity:.4;cursor:not-allowed;transform:none}.secondary-button{color:var(--soft);background:var(--surface-2);border:1px solid var(--line-strong)}.secondary-button:hover{color:var(--text);background:var(--surface-3)}.text-button{color:var(--purple-2);background:0 0;border:0;align-items:center;gap:7px;padding:0;font-size:11px;font-weight:700;display:inline-flex}.eyebrow{letter-spacing:2.3px;color:var(--purple-2);align-items:center;gap:10px;font-size:9px;font-weight:800;display:flex}.eyebrow>span{background:var(--purple);width:26px;height:1px}.eyebrow-text{color:var(--purple-2);letter-spacing:1.8px;font-size:9px;font-weight:800}.progress-line{background:var(--surface-3);border-radius:10px;height:5px;overflow:hidden}.progress-line span{border-radius:inherit;background:linear-gradient(90deg,#7036d3,#ac72ff);height:100%;display:block}.status-pill{letter-spacing:.8px;text-transform:uppercase;border-radius:20px;justify-content:center;align-items:center;width:fit-content;height:22px;padding:0 9px;font-size:8px;font-weight:800;display:inline-flex}.status-pill.active{color:#76deb8;background:#43cc971a;border:1px solid #43cc9733}.status-pill.new{color:var(--purple-2);background:var(--purple-glow);border:1px solid #9a66ff33}.status-pill.locked,.status-pill.draft,.status-pill.pending{color:var(--muted);background:var(--surface-3);border:1px solid var(--line)}.login-screen{background:var(--bg);grid-template-columns:46% 54%;min-height:100vh;display:grid;overflow:hidden}.login-form-panel{border-right:1px solid var(--line);z-index:2;flex-direction:column;min-height:100vh;padding:34px clamp(36px,5vw,92px) 24px;display:flex;position:relative}.login-topbar{justify-content:space-between;align-items:center;display:flex}.login-card{width:100%;max-width:410px;margin:auto;padding:45px 0 24px}.login-card h1{letter-spacing:-3.3px;margin:19px 0 13px;font-size:clamp(42px,4vw,61px);font-weight:500;line-height:.98}.login-card>p{max-width:380px;color:var(--muted);margin:0 0 32px;font-size:13px;line-height:1.7}.login-card>label,.modal-body>label{color:var(--soft);letter-spacing:.5px;margin:0 0 16px;font-size:10px;font-weight:700;display:block}.login-card input,.modal-body input,.modal-body textarea{border:1px solid var(--line-strong);width:100%;min-height:49px;color:var(--text);background:var(--surface);border-radius:10px;outline:none;margin-top:8px;padding:0 15px;transition:all .2s}.login-card input:focus,.modal-body input:focus,.modal-body textarea:focus{box-shadow:0 0 0 3px var(--purple-glow);border-color:#975effb3}.password-field{position:relative}.password-field input{padding-right:48px}.password-field button{width:39px;height:39px;color:var(--muted);background:0 0;border:0;position:absolute;top:13px;right:5px}.form-row{justify-content:space-between;align-items:center;margin:2px 0 24px;display:flex}.check-label{align-items:center;gap:8px;margin:0!important;font-size:10px!important;display:flex!important}.check-label input{accent-color:var(--purple);width:14px!important;min-height:14px!important;margin:0!important}.login-button{justify-content:space-between;width:100%;min-height:52px;padding:0 20px}.login-error{color:#f4a5ae;background:#ef667312;border:1px solid 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1px),linear-gradient(90deg,#ffffff06 1px,#0000 1px);background-size:42px 42px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#0000,#000 20% 80%,#0000);mask-image:linear-gradient(#0000,#000 20% 80%,#0000)}.art-glow{filter:blur(3px);z-index:-1;border-radius:50%;position:absolute}.art-glow-one{background:radial-gradient(circle,#7324d96b,#0000 68%);width:660px;height:660px;top:-200px;right:-180px}.art-glow-two{background:radial-gradient(circle,#57249459,#0000 70%);width:580px;height:580px;bottom:-210px;left:-180px}.login-art:after{content:"";border:1px solid #a970ff1f;border-radius:50%;width:420px;height:420px;position:absolute;box-shadow:0 0 0 78px #a970ff06,0 0 0 155px #a970ff05}.login-art-content{z-index:2;width:min(620px,78%);position:relative}.art-logo{background:#ffffff0f;border:1px solid #ffffff17;border-radius:16px;place-items:center;width:54px;height:54px;margin-bottom:58px;display:grid;box-shadow:0 15px 40px #0003}.art-logo img{width:43px;height:43px}.art-kicker{color:#b29cc8;letter-spacing:2.5px;align-items:center;gap:14px;font-size:8px;font-weight:800;display:flex}.art-kicker i{background:#8c4bf2;border-radius:50%;width:3px;height:3px}.login-art h2{letter-spacing:-4px;margin:15px 0;font-size:clamp(42px,4.8vw,72px);font-weight:400;line-height:.98}.login-art h2 em{color:#b593ef;font-family:Georgia,serif;font-weight:400}.login-art-content>p{color:#9d91a8;max-width:420px;font-size:13px;line-height:1.65}.floating-player{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#120c19b8;border:1px solid #ffffff14;border-radius:16px;grid-template-columns:110px 1fr auto;align-items:center;gap:15px;width:min(520px,100%);margin-top:54px;padding:12px;display:grid;box-shadow:0 20px 70px #00000054}.player-thumb{background:radial-gradient(circle at 70% 30%,#7035b9,#0000 50%),#251438;border-radius:10px;place-items:center;height:68px;display:grid}.player-thumb button{color:#fff;background:#914ff8;border:0;border-radius:50%;place-items:center;width:34px;height:34px;display:grid}.floating-player small,.floating-player strong{display:block}.floating-player small{color:#9475bd;letter-spacing:1.3px;font-size:7px;font-weight:800}.floating-player strong{margin:6px 0 10px;font-size:11px}.floating-player>span{color:#bca6d8;padding-right:8px;font-size:10px}.micro-progress{background:#ffffff14;border-radius:4px;height:3px}.micro-progress span{background:#9659f5;width:68%;height:100%;display:block}.art-quote{color:#5c4d67;font-family:Georgia,serif;font-size:10px;font-style:italic;position:absolute;bottom:26px;right:30px}.app-shell{background:var(--bg);min-height:100vh;display:flex}.sidebar{z-index:20;background:var(--sidebar);border-right:1px solid var(--line);flex-direction:column;width:226px;padding:27px 18px 18px;display:flex;position:fixed;inset:0 auto 0 0}.sidebar .brand{padding:0 11px 34px}.workspace-label{color:var(--muted);letter-spacing:2px;padding:0 13px 9px;font-size:7px;font-weight:800}.sidebar nav{gap:4px;display:grid}.sidebar nav button,.sidebar-bottom button{width:100%;height:43px;color:var(--muted);text-align:left;background:0 0;border:0;border-radius:9px;align-items:center;gap:12px;padding:0 13px;font-size:11px;display:flex;position:relative}.sidebar nav button:hover,.sidebar-bottom button:hover{color:var(--text);background:var(--surface-2)}.sidebar nav button.active{color:var(--text);background:linear-gradient(90deg,#8646eb2e,#8646eb0a)}.sidebar nav button.active svg{color:var(--purple-2)}.sidebar nav button.active i{background:var(--purple);width:2px;height:22px;position:absolute;right:-18px;box-shadow:0 0 12px #a462ff}.sidebar-progress{border:1px solid var(--line);background:linear-gradient(145deg, var(--surface-2), var(--purple-glow));border-radius:12px;margin:auto 0 16px;padding:16px 13px 13px;position:relative;overflow:hidden}.mini-dragon{opacity:.14;width:66px;height:66px;position:absolute;top:-13px;right:-13px}.mini-dragon img{width:100%}.sidebar-progress small,.sidebar-progress strong{display:block;position:relative}.sidebar-progress small{color:var(--purple-2);letter-spacing:1.1px;font-size:7px;font-weight:800}.sidebar-progress strong{margin:6px 0 13px;font-size:10px}.sidebar-progress>div:last-child{color:var(--muted);justify-content:space-between;margin-top:8px;font-size:7px;display:flex}.sidebar-bottom{border-top:1px solid var(--line);padding-top:12px}.sidebar-bottom button{height:37px;font-size:10px}.sidebar-bottom button.active{color:var(--text);background:linear-gradient(90deg,#8646eb2e,#8646eb0a)}.main-area{width:calc(100% - 226px);min-height:100vh;margin-left:226px}.topbar{border-bottom:1px solid var(--line);background:var(--bg);align-items:center;gap:18px;height:80px;padding:0 30px 0 35px;display:flex}@supports (color:color-mix(in lab, red, red)){.topbar{background:color-mix(in srgb, var(--bg) 88%, transparent)}}.topbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.topbar-title{margin-right:auto}.topbar-title h1{margin:0;font-size:14px;font-weight:700}.topbar-title p{color:var(--muted);letter-spacing:.6px;margin:5px 0 0;font-size:8px}.topbar-actions{align-items:center;gap:9px;display:flex}.search-box{width:220px;height:40px;color:var(--muted);border:1px solid var(--line);background:var(--surface);border-radius:10px;align-items:center;gap:9px;padding:0 12px;display:flex}.search-box input{width:100%;color:var(--text);background:0 0;border:0;outline:0;font-size:10px}.search-box input::placeholder{color:var(--muted)}.search-box.wide{width:min(390px,100%)}.bell-button{visibility:hidden;pointer-events:none}.bell-button i{background:var(--purple);width:5px;height:5px;box-shadow:0 0 0 2px var(--surface);border-radius:50%;position:absolute;top:9px;right:9px}.rich-text-field{gap:8px;display:grid}.rich-text-toolbar{gap:6px;display:flex}.rich-text-toolbar button{border:1px solid var(--line);background:var(--surface-2);width:30px;height:30px;color:var(--text);border-radius:8px;place-items:center;display:grid}.rich-text-toolbar button:hover{border-color:var(--purple)}@supports (color:color-mix(in lab, red, red)){.rich-text-toolbar button:hover{border-color:color-mix(in srgb, var(--purple) 40%, var(--line))}}.rich-text-editor{border:1px solid var(--line);background:var(--surface);min-height:96px;color:var(--text);border-radius:12px;outline:none;padding:12px 14px;font-size:12px;line-height:1.55}.rich-text-editor:empty:before{content:attr(data-placeholder);color:var(--muted);pointer-events:none}.lesson-description strong,.lesson-description b{font-weight:700}.lesson-description em,.lesson-description i{font-style:italic}.profile-chip{border-left:1px solid 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var(--line-strong);background:var(--surface);border-radius:16px;flex-direction:column;justify-content:center;align-items:center;min-height:260px;margin-top:24px;padding:42px 24px;display:flex}.empty-state>div,.empty-state>svg{width:48px;height:48px;color:var(--purple-2);background:var(--purple-glow);border-radius:13px;place-items:center;margin-bottom:14px;padding:12px;display:grid}.empty-state>span{color:var(--purple-2);letter-spacing:1.3px;font-size:7px;font-weight:800}.empty-state h3{margin:8px 0;font-size:18px}.empty-state p{max-width:450px;color:var(--muted);margin:0;font-size:10px;line-height:1.6}.empty-row{min-height:76px;color:var(--muted);text-align:center;border-top:1px solid 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