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(color:color-mix(in lab, red, red)){.material-empty-state{background:color-mix(in srgb, var(--panel) 72%, transparent)}}.material-empty-state{color:var(--muted);text-align:center}.material-empty-state strong{color:var(--foreground);font-size:calc(20px * var(--font-scale))}.material-empty-state p{max-width:480px;margin:0}.data-table-wrap{width:100%;margin-top:var(--space-4);overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:calc(14px * var(--font-scale))}.data-table th,.data-table td{border-bottom:1px solid var(--line);text-align:left;padding:12px}.data-table th{color:var(--muted);font-family:var(--font-mono);font-size:calc(12px * var(--font-scale));text-transform:uppercase;letter-spacing:.06em}.data-table td{color:var(--foreground)}.tutorial-panel{margin-top:var(--space-6)}.tutorial-panel iframe{border-radius:var(--radius-lg);background:var(--color-gray-950);border:0;width:100%;min-height:420px}.account-menu{position:relative}.account-menu 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var(--line);margin-bottom:var(--space-2);display:flex}.account-dropdown-head p{font-size:calc(12px * var(--font-scale));margin:2px 0 0}.account-dropdown a,.account-dropdown button{border-radius:var(--radius-md);justify-content:flex-start;width:100%}.account-dropdown a{color:var(--foreground);padding:11px 12px;font-weight:700;display:flex}.account-dropdown a:hover{background:var(--panel)}.badge{align-items:center;gap:var(--space-2);border:1px solid var(--line);background:var(--color-gray-950);color:var(--color-gray-300);font-family:var(--font-mono);font-size:calc(11px * var(--font-scale));letter-spacing:.04em;text-transform:uppercase;border-radius:999px;padding:6px 10px;font-weight:600;display:inline-flex}.badge:before{content:"";background:var(--foreground);border-radius:999px;width:6px;height:6px}.card,.panel,.hero-card{border:1px solid var(--card-border);background:var(--card-bg);border-radius:var(--card-radius);padding:var(--card-padding);box-shadow:var(--shadow-sm);position:relative}.card{flex-direction:column;align-items:flex-start;height:100%;display:flex}.card:hover,.panel:hover,.hero-card:hover{border-color:var(--line-strong)}.grid{gap:var(--space-5);display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.loading-main{animation:.22s both fadeUp}.loading-sidebar{gap:14px}.loading-grid{margin-top:22px}.skeleton-line,.skeleton-pill,.skeleton-card,.skeleton-panel{background:linear-gradient(90deg, var(--panel-strong), var(--soft-fill), var(--panel-strong));background-size:220% 100%;animation:1.15s ease-in-out infinite 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red)){.settings-dropdown-overlay{background:linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 92%, var(--foreground) 8%), var(--panel-strong))}}.settings-dropdown-overlay{animation:.2s slideDownFade;box-shadow:0 22px 70px #00000057,inset 0 1px #ffffff0d}.settings-dropdown-arrow{border-top:1px solid var(--line);width:12px;height:12px;position:absolute;top:-6px;right:32px}@supports (color:color-mix(in lab, red, red)){.settings-dropdown-arrow{border-top:1px solid color-mix(in srgb, var(--line) 78%, var(--foreground) 10%)}}.settings-dropdown-arrow{border-left:1px solid var(--line)}@supports (color:color-mix(in lab, red, red)){.settings-dropdown-arrow{border-left:1px solid color-mix(in srgb, var(--line) 78%, var(--foreground) 10%)}}.settings-dropdown-arrow{background:var(--panel-strong)}@supports (color:color-mix(in lab, red, red)){.settings-dropdown-arrow{background:color-mix(in srgb, var(--panel-strong) 92%, var(--foreground) 8%)}}.settings-dropdown-arrow{transform:rotate(45deg)}.settings-dropdown-content{gap:12px;padding:14px;display:grid}.settings-dropdown-content .theme-setting-card{border-color:var(--line);grid-template-columns:1fr;place-items:start stretch;gap:12px;min-height:0;padding:14px;display:grid}@supports (color:color-mix(in lab, red, red)){.settings-dropdown-content .theme-setting-card{border-color:color-mix(in srgb, var(--line) 82%, var(--foreground) 8%)}}.settings-dropdown-content .theme-setting-card{background:var(--panel);border-radius:16px}@supports (color:color-mix(in lab, red, red)){.settings-dropdown-content .theme-setting-card{background:color-mix(in srgb, var(--panel) 68%, var(--panel-strong) 32%)}}.settings-dropdown-content .theme-setting-card{box-shadow:none}.settings-dropdown-content .theme-setting-card>div:first-child{min-width:0}.settings-dropdown-content .theme-setting-card h2{color:var(--foreground);font-size:calc(18px * var(--font-scale));letter-spacing:0;margin:8px 0 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.settings-dropdown-content .font-size-options{background:#fff;border-color:#dbe3ef}:root[data-theme=light] .dashboard-sidebar,:root[data-theme=light] .dashboard-sidebar-user{color:#111827;background:#fff;border-color:#e5e7eb}:root[data-theme=light] .dashboard-sidebar-settings{background:#f8fafc;border-color:#e5e7eb}:root[data-theme=light] .dashboard-sidebar-settings .landing-theme-toggle,:root[data-theme=light] .dashboard-mobile-menu-btn{color:#111827;background:#fff;border-color:#e5e7eb}:root[data-theme=light] .dashboard-sidebar-logo,:root[data-theme=light] .dashboard-sidebar-nav a:hover,:root[data-theme=light] .dashboard-sidebar-nav summary:hover,:root[data-theme=light] .dashboard-sidebar-nav a.active,:root[data-theme=light] .dashboard-user-link:hover,:root[data-theme=light] .dashboard-mobile-menu-btn:hover{background:#f3f4f6}:root[data-theme=light] .dashboard-sidebar-logo,:root[data-theme=light] .dashboard-sidebar-nav a,:root[data-theme=light] .dashboard-sidebar-nav summary,:root[data-theme=light] .dashboard-user-link{color:#111827}:root[data-theme=light] .dashboard-sidebar-nav a:not(.active),:root[data-theme=light] .dashboard-sidebar-nav summary{color:#374151}:root[data-theme=light] .dashboard-user-link small{color:#6b7280}:root[data-theme=light] .material-management-hero{background:radial-gradient(circle at 12% 0,#2563eb24,#0000 36%),linear-gradient(135deg,#fff 0%,#f8fafc 58%,#eef2ff 100%);border-color:#2563eb2e;box-shadow:0 22px 60px #0f172a14,inset 0 1px #ffffffe6}:root[data-theme=light] .material-stat-card,:root[data-theme=light] .material-manager-card{background:linear-gradient(#fff,#f8fafc);border-color:#e2e8f0;box-shadow:0 16px 44px #0f172a0f,inset 0 1px #ffffffd9}:root[data-theme=light] .material-manager-card .material-card-meta .mapping-pill{background:#f8fafc!important}@keyframes slideDownFade{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media (max-width:760px){.dashboard-sidebar-settings 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#00000040}.colorblind-checkbox:checked{border-color:var(--foreground);background:linear-gradient(135deg,#0ea5e9,#f59e0b)}.colorblind-checkbox:checked:after{transform:translate(22px)}:root[data-colorblind=on]{--accent-blue:#0072b2;--accent-blue-soft:#0072b242;--danger-ui:#d55e00}.theme-slider{border:1px solid var(--line-strong);cursor:pointer;background:linear-gradient(135deg,#020617,#334155);border-radius:999px;width:92px;height:48px;padding:4px;transition:background .2s,border-color .2s}.theme-slider.light{background:linear-gradient(135deg,#bfdbfe,#fef3c7)}.theme-slider-thumb{background:var(--panel);border-radius:999px;place-items:center;width:38px;height:38px;transition:transform .2s;display:grid;transform:translate(0);box-shadow:0 8px 24px #00000040}.theme-slider.light .theme-slider-thumb{transform:translate(42px)}.profile-theme-slider{border-top:1px solid var(--line);grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin-top:8px;padding:12px 10px 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.landing-theme-toggle{border:1px solid var(--line);min-height:34px;box-shadow:none;background:0 0;border-radius:5px;gap:3px;padding:3px}.studio .landing-theme-toggle button{border-radius:3px;width:27px;height:27px;min-height:0}.studio .landing-theme-toggle button.active{background:var(--panel-strong);box-shadow:none;border-radius:3px}.studio .landing-theme-toggle button.active img{filter:none}:root[data-theme=dark] .studio .landing-theme-toggle img{filter:invert()}.studio .landing-text-reader-status{font-size:calc(10px * var(--font-scale))}:root .studio .btn{box-shadow:none;font-weight:500;font-size:calc(12px * var(--font-scale));background:var(--panel);min-height:40px;color:var(--foreground);border-color:var(--line);border-radius:5px;transform:none}:root .studio .btn.primary{background:var(--button-bg);color:var(--button-fg);border-color:var(--button-bg)}:root .studio .btn.danger{color:var(--danger-ui,#b42318)}:root .studio .btn:hover{border-color:var(--line-strong)}:root .studio .dashboard-sidebar{background:var(--panel);border-right:1px solid var(--line);box-shadow:none;font-family:var(--font-body)}.studio .dashboard-sidebar-logo{box-shadow:none;background:0 0;border:0;padding:12px 6px 20px}.studio .dashboard-sidebar-nav a,.studio .dashboard-sidebar-nav summary{border-radius:5px;min-height:42px;font-weight:500}:root .studio .dashboard-sidebar-nav a.active{background:var(--accent-blue-soft);color:var(--accent-blue);border-color:#0000}:root .studio .dashboard-sidebar-nav a.active svg{color:var(--accent-blue)}.studio .dashboard-sidebar-nav details ul{border-left:0;margin-left:0;padding-left:0}.studio .dashboard-sidebar-nav summary{font:calc(10px * var(--font-scale)) var(--font-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:20px}.studio .dashboard-user-link,.studio .dashboard-sidebar-settings{box-shadow:none;background:0 0;border:0}.studio .dashboard-sidebar-user{border-top:1px solid var(--line);background:var(--panel)}.studio .main,.studio .dashboard-main{background:var(--background);padding:40px}.studio .dashboard-content{gap:32px}:root .studio .auth-shell,:root .studio .profile-shell{background:var(--background)}.studio .auth-nav{border-bottom:1px solid var(--line);max-width:1320px;min-height:90px}.studio .auth-form-panel{border:1px solid var(--line);background:var(--panel);width:min(100% - 40px,1060px);min-height:590px;box-shadow:none;border-radius:8px;margin:55px auto;padding:56px 54px 56px 590px;position:relative}.studio .auth-head{text-align:left}.studio .auth-head h1{font-size:calc(28px * var(--font-scale));margin-top:0;font-weight:500}.studio .auth-head p{font-size:calc(13px * var(--font-scale))}.studio .auth-form{gap:20px;margin-top:28px}.studio .auth-field label,.studio .auth-label-row a{font-size:calc(12px * var(--font-scale));font-weight:500}.studio .auth-field input{background:var(--panel);border-color:var(--line);box-shadow:none;font-size:calc(13px * var(--font-scale));border-radius:5px}.studio .auth-submit{background:var(--button-bg);color:var(--button-fg);box-shadow:none;font-size:calc(13px * var(--font-scale));border-radius:5px;font-weight:500}.studio .auth-switch{font-size:calc(12px * var(--font-scale))}.studio :is(.student-viewer-head h1,.authoring-title,.authoring-topbar h1,.profile-hero-card h1){font-size:calc(clamp(28px, 3vw, 40px) * var(--font-scale));letter-spacing:-.04em;font-weight:500}:root .studio [data-sonner-toast].visineer-toast{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--panel)!important;box-shadow:var(--shadow-md)!important;border-radius:7px!important}:root .studio .visineer-toast-title{color:var(--foreground)!important;font-weight:600!important}:root .studio .visineer-toast-description{color:var(--muted)!important;font-weight:400!important}@media (max-width:1100px){.studio .auth-form-panel{padding-left:52%;padding-right:35px}}@media (max-width:760px){.studio .main,.studio .dashboard-main{padding:24px 18px}.studio .auth-nav{min-height:76px}.studio .auth-form-panel{width:min(100% - 36px,460px);min-height:0;margin-block:35px;padding:32px 26px}}:root .studio :is(.dashboard-hero.compact,.student-hero-copy.compact){border:0;border-bottom:1px solid var(--line);box-shadow:none;background:0 0;border-radius:0;justify-content:space-between;align-items:flex-end;gap:28px;padding:8px 0 32px;display:flex}:root .studio :is(.dashboard-hero.compact h1,.student-hero-copy.compact h1){font-size:calc(clamp(30px, 3vw, 44px) * var(--font-scale));letter-spacing:-.05em;max-width:600px;color:var(--foreground);margin:12px 0;font-weight:500;line-height:1.14}.studio .dashboard-kicker,.studio .student-section-label{font:calc(10px * var(--font-scale)) var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-blue)}:root .studio :is(.dashboard-hero.compact p,.student-hero-copy.compact p):not(.dashboard-kicker):not(.student-section-label){color:var(--muted);font-size:calc(13px * var(--font-scale));max-width:550px;line-height:1.8}.studio :is(.dashboard-stat-grid,.student-stat-grid.compact){border:1px solid var(--line);background:var(--panel);border-radius:6px;gap:0;margin-block:28px;overflow:hidden}:root .studio :is(.dashboard-stat-card,.student-stat-card){border:0;border-right:1px solid var(--line);box-shadow:none;background:0 0;border-radius:0;padding:25px}:root .studio :is(.dashboard-stat-card,.student-stat-card):last-child{border-right:0}:root .studio :is(.dashboard-stat-card strong,.student-stat-card strong){font-size:calc(42px * var(--font-scale));color:var(--foreground);letter-spacing:-.06em;margin-block:16px;font-weight:450}:root .studio :is(.dashboard-stat-card span,.student-stat-card span){font-weight:500;font-size:calc(12px * var(--font-scale));color:var(--muted)}:root .studio :is(.dashboard-stat-card small,.student-stat-card small){font-weight:400;font-size:calc(11px * var(--font-scale));color:var(--muted);line-height:1.65}:root .studio :is(.dashboard-panel,.student-panel){background:var(--panel);border:1px solid var(--line);box-shadow:none;border-radius:6px;padding:25px}:root .studio :is(.dashboard-panel-head h2,.student-panel-head h2){color:var(--foreground);font-size:calc(20px * var(--font-scale));letter-spacing:-.03em;font-weight:500}:root .studio :is(.recent-material-item,.student-material-row){border:0;border-top:1px solid var(--line);box-shadow:none;background:0 0;border-radius:0;padding:23px 0;transform:none}:root .studio :is(.recent-material-item,.student-material-row):hover{background:var(--background);transform:none}:root .studio :is(.recent-material-item h3,.student-material-row h3){color:var(--foreground);font-weight:500;font-size:calc(17px * var(--font-scale));letter-spacing:-.025em}:root .studio :is(.recent-material-metrics span,.student-row-metrics span){color:var(--muted);background:0 0;border:0;padding:4px 12px;font-weight:400}:root .studio :is(.recent-material-class,.student-material-class){font:calc(10px * var(--font-scale)) var(--font-mono);color:var(--muted)}:root .studio :is(.material-management-hero,.student-materials-hero,.material-list-section,.material-manager-card,.material-stat-card,.student-material-card,.score-card,.student-scores-panel){background:var(--panel);border-color:var(--line);box-shadow:none;border-radius:6px}:root .studio :is(.material-management-hero h1,.student-materials-hero h1,.student-scores-hero h1){font-weight:500;font-size:calc(clamp(30px, 3vw, 44px) * var(--font-scale));letter-spacing:-.05em}@media (max-width:760px){:root .studio :is(.dashboard-hero.compact,.student-hero-copy.compact){flex-direction:column;align-items:flex-start}:root .studio :is(.dashboard-stat-card,.student-stat-card){border-right:0;border-bottom:1px solid var(--line);padding:20px}:root .studio :is(.dashboard-stat-card,.student-stat-card):last-child{border-bottom:0}.studio :is(.dashboard-panel,.student-panel){padding:18px}}.studio .brand-logo{aspect-ratio:auto;justify-content:flex-start;align-items:center;gap:9px;width:auto;height:42px;display:inline-flex;overflow:visible}.studio .brand-symbol{width:29px;height:29px;color:var(--accent-blue);flex:none}.studio .brand-wordmark{color:var(--foreground);font:600 calc(17px * var(--font-scale)) var(--font-body);letter-spacing:.015em}.studio .brand-copy{flex-direction:column;align-items:flex-start;gap:2px;display:flex}.studio .brand-tagline{color:var(--muted);font:400 calc(11px * var(--font-scale))/1.3 var(--font-body);letter-spacing:0;white-space:nowrap}.studio .dashboard-sidebar-logo .brand-logo{aspect-ratio:auto;width:auto;height:42px}.studio .auth-head .auth-logo{display:none}@media (max-width:600px){.studio .brand-symbol{width:24px;height:24px}.studio .brand-wordmark{font-size:calc(14px * var(--font-scale))}}.studio .auth-visual{color:#e5eeea;background:#182325;border-radius:7px 0 0 7px;flex-direction:column;width:49%;padding:36px 32px;display:flex;position:absolute;inset:0 auto 0 0;overflow:hidden}.studio .auth-visual-label{font:calc(9px * var(--font-scale)) var(--font-mono);letter-spacing:.13em;color:#a4b6af;margin:0 0 16px}.studio .auth-visual h2{z-index:1;color:#e5eeea;font-size:calc(40px * var(--font-scale));letter-spacing:-.05em;margin:0;font-weight:450;line-height:1.15;position:relative}.studio .auth-visual-image{flex:1;min-height:290px;margin:0 -15px;position:relative}.studio .auth-visual-image img{object-fit:contain;-webkit-mask-composite:source-in;-webkit-mask-composite:source-in;-webkit-mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000),linear-gradient(#0000,#000 8% 92%,#0000);mask-image:linear-gradient(90deg,#0000,#000 8% 92%,#0000),linear-gradient(#0000,#000 8% 92%,#0000);-webkit-mask-composite:source-in;mask-composite:intersect}.studio .auth-visual-caption{color:#a4b6af;font-size:calc(12px * var(--font-scale));margin:0;line-height:1.8}@media (max-width:1100px){.studio .auth-visual{width:47%;padding:30px 24px}.studio .auth-visual h2{font-size:calc(35px * var(--font-scale))}}@media (max-width:760px){.studio .auth-visual{border-radius:7px 7px 0 0;width:calc(100% + 52px);height:190px;min-height:190px;margin:-32px -26px 30px;padding:25px;position:relative;inset:auto}.studio .auth-visual h2{font-size:calc(28px * var(--font-scale));max-width:180px}.studio .auth-visual-label{z-index:1;font-size:calc(8px * var(--font-scale));position:relative}.studio .auth-visual-image{opacity:.65;width:225px;min-height:0;margin:0;position:absolute;top:0;bottom:0;right:-50px}.studio .auth-visual-caption{display:none}}.header-settings{flex-wrap:wrap;align-items:flex-end;gap:10px;min-width:0;max-width:100%;display:flex}.header-setting{min-width:0;color:var(--foreground);flex-direction:column;gap:5px;display:flex}.header-setting>span{font-size:calc(11px * var(--font-scale,1));color:var(--muted);line-height:1.3}.header-setting select{border:1px solid var(--line,#cbd5e1);background:var(--panel,#fff);max-width:150px;min-height:40px;color:var(--foreground);font:inherit;font-size:calc(12px * var(--font-scale,1));border-radius:8px;padding:8px}.header-setting select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.auth-nav:has(.header-settings){flex-wrap:wrap;gap:16px}@media (max-width:600px){.header-settings{gap:8px}.header-setting select{max-width:135px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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-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}@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}