:root{--primary:#2c3e50;--primary-dark:#243444;--primary-soft:#e2ebf3;--primary-accent-1:#2c3e50;--primary-accent-2:#3f5d74;--focus-ring:0 0 0 3px #2c3e5059;--glow:0 4px 14px -2px #2c3e5040;--panel-1:var(--color-surface);--bg-secondary:var(--secondary-bg);--main-bg:var(--color-bg);--text-dark:var(--color-text);--accent:var(--color-accent);--sidebar-width:var(--sidebar-width);--page-pad:var(--page-pad);--radius:var(--radius-lg);--page-pad-mobile:var(--page-pad-mobile);--container-max:1200px;--control-height:36px;--control-height-sm:30px;--control-height-lg:44px;--control-pad-x:12px;--control-pad-y:8px;--scrollbar-size:10px;--scrollbar-radius:8px;--scrollbar-track:#0000;--scrollbar-thumb:var(--panel-2);--scrollbar-thumb-hover:var(--primary-soft)}#root,body,html{background-color:var(--color-bg);background-color:var(--main-bg);color:var(--text-dark);overflow-x:hidden;overflow-y:auto;width:100%}.window-container{display:flex;flex-direction:column}*{scrollbar-color:var(--color-surface-2) #0000;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track);scrollbar-width:thin}::-webkit-scrollbar{height:10px;height:var(--scrollbar-size);width:10px;width:var(--scrollbar-size)}::-webkit-scrollbar-track{background:#0000;background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background-color:var(--color-surface-2);background-color:var(--scrollbar-thumb);border:2px solid #0000;border:2px solid var(--scrollbar-track);border-radius:8px;border-radius:var(--scrollbar-radius)}::-webkit-scrollbar-thumb:hover{background-color:#e2ebf3;background-color:var(--scrollbar-thumb-hover)}.app-layout{display:grid;flex-grow:1;height:90%;transition:grid-template-columns .3s ease-in-out}.main-content-area{flex:1 1;padding:2rem 2.5rem;width:100%}.header{grid-column:1/2;grid-row:1/2}.pane-grid{grid-gap:16px;display:grid;flex:1 1;gap:16px;grid-template-columns:var(--sidebar-width) 1fr;min-height:0}.pane-sidebar{display:flex;flex-direction:column;gap:8px;height:100%;overflow:hidden;padding:12px}.pane-main,.pane-sidebar{background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-lg);border-radius:var(--radius);color:var(--color-text);color:var(--text);min-width:0}.pane-main{padding:16px}.btn{background:var(--color-surface-2);background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius-md);border-radius:var(--control-radius);color:var(--color-text);color:var(--text);font-size:var(--font-size-dash-large);min-height:var(--control-height);padding:var(--control-pad-y) var(--control-pad-x);transition:background .15s,color .15s,border-color .15s,box-shadow .15s}.btn:hover{background:#e2ebf3;background:var(--primary-soft)}.btn:focus-visible{outline:2px solid #2c3e50;outline:2px solid var(--primary)}.btn-sm{border-radius:calc(var(--radius-md) - 2px);border-radius:calc(var(--control-radius) - 2px);font-size:var(--font-size-dash-large);min-height:30px;min-height:var(--control-height-sm)}.btn-lg{font-size:var(--font-size-dash-small);min-height:var(--control-height-lg);padding:10px 16px}.btn-icon{height:var(--control-height);width:var(--control-height)}.btn-xxs{border-radius:calc(var(--radius-md) - 6px);border-radius:calc(var(--control-radius) - 6px);font-size:var(--font-size-dash-xs)}.btn-primary{background:#2c3e50;background:var(--primary-accent-1);border-color:#2c3e50;border-color:var(--primary-accent-1)}.btn-primary:hover{background:#243444;background:var(--primary-dark)}.btn-primary:focus-visible{box-shadow:0 0 0 3px #2c3e5059;box-shadow:var(--focus-ring)}.btn-ghost{background:var(--color-surface);background:var(--panel);border-color:var(--border);color:#2c3e50;color:var(--primary)}.btn-ghost:hover{background:#e2ebf3;background:var(--primary-soft);color:var(--color-text);color:var(--text-dark)}.btn-danger{background:var(--color-surface);background:var(--panel);border-color:var(--danger);color:var(--color-danger);color:var(--danger)}.btn-danger:hover{background:#ffe5e5}.btn-subtle{color:var(--color-text);color:var(--text)}.btn-subtle:hover{background:var(--color-surface);background:var(--panel)}.btn-xs{border-radius:calc(var(--radius-md) - 4px);border-radius:calc(var(--control-radius) - 4px);font-size:var(--font-size-dash-xs);padding:4px 6px}.nf-tree-row.is-selected .btn-ghost{background:#fff;color:#2c3e50;color:var(--primary)}.dropdown .menu-item:hover{background:var(--primary-soft,#eef4ff);color:var(--color-text);color:var(--text-dark,#102a43)}.nf-tree{display:flex;flex-direction:column;height:100%;position:relative}.nf-tree-root-droppable{flex:1 1 auto;min-height:40px;min-height:0;overflow-y:auto;padding:4px 0}.nf-tree-header{align-items:center;background:var(--color-surface);background:var(--panel);border-bottom:1px solid var(--border);box-shadow:0 6px 12px -10px #00000059;display:flex;justify-content:space-between;margin:0;padding:4px 8px;position:-webkit-sticky;position:sticky;top:0;z-index:120}.pane-sidebar .nf-tree-header{align-items:center;margin:0;padding:15px 8px;top:0}.pane-main .nf-tree-header{margin:0;padding:4px 8px}.nf-root-children{padding-top:10px}.nf-tree>.nf-tree-node.is-root{margin-top:10px}.nf-tree-header h4{color:var(--color-muted);color:var(--muted);font-size:var(--font-size-dash-xs);font-weight:700;letter-spacing:1px;line-height:1.1;margin:0;text-transform:uppercase}.nf-tree-root-droppable.nf-droppable-over{outline:2px dashed var(--color-accent);outline:2px dashed var(--accent)}.nf-tree.nf-tree-flat{padding:4px 0}.nf-tree-node{border-left:none;margin-left:0;padding-left:0;width:100%}.nf-tree-node+.nf-tree-node{margin-top:2px}.nf-tree-row{align-items:center;background:var(--color-surface)!important;background:var(--panel)!important;border:1px solid var(--border);border-radius:8px;display:flex;gap:6px;padding:4px 10px;position:relative;transition:background .15s,border-color .15s;width:100%;z-index:0}.nf-tree-row:hover{background:var(--color-surface-2);background:var(--panel-2)}.nf-tree-row.is-selected{background:#e2ebf3;background:var(--primary-soft);border:1px solid #e2ebf3;border:1px solid var(--primary-soft);box-shadow:none;color:#2c3e50;color:var(--primary)}.u-list-item{cursor:pointer}.u-list-item.is-active{outline:2px solid var(--color-accent);outline:2px solid var(--accent)}.u-list-item.is-danger{border-color:var(--danger)}.u-list.is-dense .nf-tree-row,.u-list.is-dense .u-list-item{padding-bottom:2px;padding-top:2px}.u-list.is-divided .u-list-item+.u-list-item{border-top:1px solid var(--border)}.u-list:not(.is-divided) .u-list-item+.u-list-item{margin-top:2px}.u-list.is-hover .u-list-item:hover:not(.is-selected){background:var(--color-surface-2);background:var(--panel-2)}.u-list{display:flex;flex-direction:column;gap:0;list-style:none;margin:0;padding:0}.nf-tree-row.is-selected:before{border:2px solid #2c3e50;border:2px solid var(--primary);border-radius:inherit;content:"";inset:0;pointer-events:none;position:absolute;z-index:3}.nf-tree-row.is-selected .nf-tree-title{color:#2c3e50;color:var(--primary)}.nf-tree-title{align-items:center;cursor:pointer;display:inline-flex;flex:1 1;font-weight:600;min-width:0}.nf-tree-title.is-selected{color:inherit!important}.nf-tree-toggle-btn{align-items:center;background:#0000;border:0;border-radius:4px;color:var(--color-muted);color:var(--muted);display:inline-flex;height:18px;justify-content:center;padding:0;width:18px}.nf-tree-toggle-btn:hover{background:var(--color-surface-2);background:var(--panel-2);color:var(--color-accent);color:var(--accent)}.nf-tree-toggle-btn:disabled{cursor:default;opacity:.25}.nf-tree-actions{display:inline-flex;gap:4px;margin-left:4px;position:relative;z-index:50}.nf-children{display:flex;flex-wrap:wrap;gap:4px;padding:4px 0;width:100%}.nf-children>.nf-tree-node{flex:1 1 260px}.nf-children>.nf-tree-node>.nf-tree-row{background:var(--color-surface-2);background:var(--panel-2)}.nf-inline-sets{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:4px 0 2px}.nf-inline-sets .nf-list-item{background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:20px;font-size:var(--font-size-dash-xs);padding:4px 8px}.nf-inline-sets.is-vertical{flex-direction:column;flex-wrap:nowrap;gap:2px;padding:4px 2px}.nf-inline-sets.is-vertical .nf-list-item{align-items:center;background:var(--color-surface-2);background:var(--panel-2);border-radius:8px;display:flex}.nf-inline-sets.is-vertical .nf-list-item:hover{background:var(--color-surface);background:var(--panel)}.nf-tree-count-badge{background:var(--color-surface-2);background:var(--panel-2);border:1px solid var(--border);border-radius:999px;color:var(--color-muted);color:var(--muted);font-size:var(--font-size-dash-xs);line-height:1;margin-left:6px;padding:2px 6px}.nf-droppable-over{background:#3b82f614!important;outline:2px dashed var(--color-accent);outline:2px dashed var(--accent,#3b82f6);outline-offset:-2px;transition:background .2s ease,outline .2s ease}.nf-list{list-style:none;margin:0;padding:0}.nf-list-item{align-items:center;border-bottom:1px solid var(--border);display:flex;gap:8px;padding:10px 8px}.nf-list-item:hover{background:#0000000a}.nf-list-item .meta{color:var(--color-muted);color:var(--muted);font-size:var(--font-size-dash-xs);margin-left:6px}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important}}.badge{align-items:center;border:1px solid var(--border);border-radius:999px;color:var(--color-muted);color:var(--muted);display:inline-flex;font-size:var(--font-size-dash-xs);gap:6px;padding:2px 6px}@media (max-width:900px){.window-container{flex-direction:column}.main-content-area{padding:1.5rem}}@media (max-width:700px){.pane-grid{gap:12px}}@media (max-width:500px){.main-content-area{padding:1rem}}.button-group-column{display:flex;flex-direction:column;gap:.75rem}.dropdown-menu{background:#0000;border:0;box-shadow:none;height:0;margin:0;min-width:0;opacity:0;overflow:hidden;padding:0;pointer-events:none;position:absolute;transform:translateY(4px);transform-origin:top right;transition:opacity .14s ease,transform .18s cubic-bezier(.33,.9,.25,1);width:0;z-index:10000}.dropdown-menu.is-open{background:var(--color-surface);background:var(--panel);border:1px solid var(--border,#dfe4e8);border-radius:12px;box-shadow:0 8px 24px -8px #0000002e,0 3px 8px -3px #00000014;color:var(--color-text);color:var(--text,#24323e);height:auto;min-width:280px;opacity:1;padding:6px;pointer-events:auto;transform:translateY(0);width:auto;z-index:10010}.dropdown-content{display:flex;flex-direction:column;gap:2px;max-height:300px;overflow-y:auto;padding:2px}.dropdown-content::-webkit-scrollbar{width:8px}.dropdown-content::-webkit-scrollbar-thumb{background:#0000002e;border-radius:10px}.dropdown-content:hover::-webkit-scrollbar-thumb{background:#00000047}.dropdown .menu-item,.dropdown-menu .menu-item{align-items:center;background:#0000;border:0;border-radius:8px;box-shadow:none;color:var(--color-text);color:var(--text,#253949);display:flex;font-size:var(--font-size-dash-small);font-weight:600;gap:8px;letter-spacing:.3px;line-height:1.15;padding:8px 10px;position:relative;text-align:left;transition:background .12s ease,color .12s ease,box-shadow .12s ease;width:100%}.dropdown .menu-item:hover,.dropdown-menu .menu-item:hover{background:#e2ebf3;background:var(--primary-soft,#eef4ff);color:var(--color-text);color:var(--text-dark,#102a43)}.dropdown .menu-item:active,.dropdown-menu .menu-item:active{background:#edf2f7}.dropdown .menu-item.danger,.dropdown-menu .menu-item.danger{color:#b3261e}.dropdown .menu-item.danger:hover,.dropdown-menu .menu-item.danger:hover{background:#fff2f1;color:#8e1c15}.dropdown .menu-item:focus-visible,.dropdown-menu .menu-item:focus-visible{outline:2px solid #2c3e50;outline:2px solid var(--primary,#3a6df0);outline-offset:1px}.dropdown .menu-divider,.dropdown-menu .menu-divider{background:var(--color-border);background:var(--border,#e1e6eb);border-radius:1px;height:1px;margin:4px}.dropdown .menu-item{border:0;box-shadow:none;text-align:left;width:100%}.dropdown .menu-item:hover{background:#e2ebf3;background:var(--primary-soft)}.dropdown>span>.btn-ghost,.nf-list-item .btn-ghost,.nf-tree-actions .btn-ghost{border:0!important;box-shadow:none!important}.u-panel{background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;gap:12px;padding:16px}.u-panel-alt{background:var(--color-surface-2);background:var(--panel-2)}.u-card{background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:12px;padding:20px}.u-fill{flex:1 1;min-height:0}.u-grid-2{grid-gap:16px;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.u-toolbar{align-items:center;display:flex;flex-wrap:wrap;gap:12px}.u-toolbar.no-wrap{flex-wrap:nowrap}.u-stack{display:flex;flex-direction:column;gap:12px}@media (max-width:900px){.pane-grid{grid-template-columns:1fr}.pane-sidebar{order:2}.pane-main{order:1}}@media (max-width:600px){.pane-main,.pane-sidebar{border-radius:10px;padding:12px}.nf-list-item{padding:8px 6px}.btn{padding:6px 10px}.btn-xs{font-size:var(--font-size-dash-xs);padding:4px 6px}.u-toolbar{gap:8px}}.folder-toolbar{align-items:center;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-bottom:12px}.folder-toolbar-right{gap:8px;margin-left:auto}.folder-toolbar-left{align-items:center;gap:8px}.nf-label{color:var(--color-muted);color:var(--muted);font-size:var(--font-size-dash-xs);font-weight:600;letter-spacing:.5px;text-transform:uppercase}.nf-input{background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-md);border-radius:var(--control-radius);box-shadow:0 1px 2px #0000000a;color:var(--color-text);color:var(--text);font-size:var(--font-size-dash-large);line-height:1.25;min-height:36px;min-height:var(--control-height);padding:10px 12px;transition:border-color .18s,box-shadow .18s,background .18s;width:100%}.nf-input:hover{border-color:#e2ebf3;border-color:var(--primary-soft)}.nf-input:focus{border-color:#2c3e50;border-color:var(--primary);box-shadow:0 0 0 3px #2c3e5040;outline:none}.nf-input:disabled{background:var(--color-surface-2);background:var(--panel-2);color:var(--color-muted);color:var(--muted);cursor:not-allowed}.nf-input.error{border-color:var(--danger);box-shadow:0 0 0 3px #d94a4a40}.nf-input::placeholder{color:#9aa7b3}textarea.nf-input{font-family:inherit;min-height:90px;resize:vertical}.nf-check{align-items:flex-start;cursor:pointer;display:flex;font-size:var(--font-size-dash-large);gap:8px;line-height:1.3;position:relative;-webkit-user-select:none;user-select:none}.nf-check input{opacity:0;pointer-events:none;position:absolute}.nf-check-box{align-items:center;background:var(--color-surface);background:var(--panel);border:1px solid var(--border);border-radius:4px;box-shadow:0 1px 2px #0000000d;display:inline-flex;height:18px;justify-content:center;transition:background .15s,border-color .15s,box-shadow .15s;width:18px}.nf-check input:focus-visible+.nf-check-box{box-shadow:0 0 0 3px #2c3e504d}.nf-check input:checked+.nf-check-box{background:#2c3e50;background:var(--primary-accent-1);border-color:#2c3e50;border-color:var(--primary-accent-1)}.nf-check input:checked+.nf-check-box:after{color:#fff;content:"\2713";font-size:var(--text-xs)}.nf-check.is-disabled{cursor:not-allowed;opacity:.55}.nf-check-label{font-weight:500}.nf-check-desc{color:var(--color-muted);color:var(--muted);display:block;font-size:var(--font-size-dash-xs);margin-top:2px}.nf-check.is-error .nf-check-box{border-color:var(--danger)}.nf-switch{align-items:center;cursor:pointer;display:inline-flex;font-size:var(--font-size-dash-large);gap:10px;-webkit-user-select:none;user-select:none}.nf-switch input{opacity:0;pointer-events:none;position:absolute}.nf-switch-track{background:var(--color-surface-2);background:var(--panel-2);border:1px solid var(--border);border-radius:20px;height:20px;position:relative;transition:background .2s,border-color .2s;width:38px}.nf-switch-thumb{background:var(--color-surface);background:var(--panel);border-radius:50%;box-shadow:0 1px 2px #00000040;height:16px;left:2px;position:absolute;top:2px;transition:transform .25s cubic-bezier(.4,0,.2,1);width:16px}.nf-switch input:checked+.nf-switch-track{background:#2c3e50;background:var(--primary-accent-1);border-color:#2c3e50;border-color:var(--primary-accent-1)}.nf-switch input:checked+.nf-switch-track .nf-switch-thumb{transform:translateX(18px)}.nf-switch input:focus-visible+.nf-switch-track{box-shadow:0 0 0 3px #2c3e504d}.nf-switch.is-disabled{cursor:not-allowed;opacity:.55}.nf-switch-label{font-weight:500}.nf-avatar{align-items:center;background:var(--color-surface-2);background:var(--panel-2);border:1px solid var(--border);border-radius:50%;box-shadow:0 1px 2px #0000000d;color:var(--color-text);color:var(--text);display:inline-flex;font-size:var(--font-size-dash-xs);font-weight:600;height:32px;justify-content:center;overflow:hidden;width:32px}.nf-avatar img{display:block;height:100%;object-fit:cover;width:100%}.nf-avatar-fallback{line-height:1}.nf-badge{align-items:center;background:var(--color-surface-2);background:var(--panel-2);border:1px solid var(--border);border-radius:999px;color:var(--color-muted);color:var(--muted);display:inline-flex;font-size:var(--font-size-dash-xs);font-weight:600;gap:4px;letter-spacing:.08em;padding:2px 8px;text-transform:uppercase}.nf-badge-primary{background:#e2ebf3;background:var(--primary-soft);border-color:#e2ebf3;border-color:var(--primary-soft);color:#2c3e50;color:var(--primary)}.nf-badge-danger{background:#fbe9e9;border-color:#f5c1c1;color:var(--color-danger);color:var(--danger)}.nf-divider{border:0;border-top:1px solid var(--border);margin:12px 0}.setform-card .nf-input{font-size:var(--font-size-dash-xs);padding:8px 10px}.setform-card textarea.nf-input{min-height:120px}.nf-input-compact{border-radius:calc(var(--radius-md) - 2px);border-radius:calc(var(--control-radius) - 2px);font-size:var(--font-size-dash-xs);min-height:30px;min-height:var(--control-height-sm);padding:6px 10px}.setform__topbar .nf-input{box-shadow:none}.nf-tree .nf-tree-row{background:var(--color-surface)!important;background:var(--panel)!important}.nf-tree .nf-tree-row:hover{background:var(--color-surface-2)!important;background:var(--panel-2)!important}.nf-tree .nf-tree-row.is-selected{background:#e2ebf3!important;background:var(--primary-soft)!important}.nf-tree .nf-tree-icon{background:none;border:0;box-shadow:none;color:#2c3e50;color:var(--primary);font-size:var(--text-xs);height:16px;justify-content:center;line-height:1;margin:0 4px 0 0;padding:0;width:16px}.nf-tree .nf-tree-icon,.nf-tree .nf-tree-title{align-items:center;display:inline-flex}.nf-children .nf-tree-row{padding-left:20px}.nf-children .nf-children .nf-tree-row{padding-left:32px}.nf-children .nf-children .nf-children .nf-tree-row{padding-left:44px}.btn svg{height:16px;width:16px}.btn.btn-ghost.btn-xs:hover{color:var(--color-text);color:var(--text)}[data-theme=dark]{--primary:#60a5fa;--primary-dark:#93c5fd;--primary-soft:#1e3a5f;--primary-accent-1:#93c5fd;--primary-accent-2:#3b82f6;--focus-ring:0 0 0 3px #60a5fa59;--glow:0 4px 14px -2px #0009;--panel:var(--color-surface);--panel-1:var(--color-surface);--panel-2:var(--color-surface-2);--main-bg:var(--color-bg);--text:var(--color-text);--text-dark:var(--color-text);--muted:var(--color-muted);--border:var(--color-border);--input-bg:#26262b}[data-theme=dark] .nf-check-box,[data-theme=dark] .nf-input,[data-theme=dark] .nf-switch-thumb{background-color:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}[data-theme=dark] .nf-input:focus{border-color:#2c3e50;border-color:var(--primary)}[data-theme=dark] .btn-ghost{background:#0000;color:#2c3e50;color:var(--primary)}[data-theme=dark] .btn-ghost:hover{background:#e2ebf3;background:var(--primary-soft);color:var(--color-text)}[data-theme=dark] .btn-primary{background:#64b5f6;border-color:#64b5f6;box-shadow:0 12px 32px #00000073;color:#0b1624}[data-theme=dark] .btn-primary:hover{background:#58a9ee;box-shadow:0 14px 34px #00000080;color:#0b1624}[data-theme=dark] .btn-primary:active{background:#4c9be0;color:#0b1624}[data-theme=dark] .dropdown-menu.is-open{background:var(--color-surface);border-color:var(--color-border);box-shadow:0 8px 24px -8px #00000080,0 3px 8px -3px #0006}[data-theme=dark] .dropdown .menu-item,[data-theme=dark] .dropdown-menu .menu-item{color:var(--color-text)}[data-theme=dark] .dropdown .menu-item:hover,[data-theme=dark] .dropdown-menu .menu-item:hover{background:var(--color-surface-2);color:var(--color-text)}[data-theme=dark] .dropdown .menu-item:active,[data-theme=dark] .dropdown-menu .menu-item:active{background:var(--color-accent-soft)}[data-theme=dark] .dropdown .menu-item.danger,[data-theme=dark] .dropdown-menu .menu-item.danger{color:#f87171}[data-theme=dark] .dropdown .menu-item.danger:hover,[data-theme=dark] .dropdown-menu .menu-item.danger:hover{background:#f8717126;color:#fca5a5}[data-theme=dark] .dropdown-content::-webkit-scrollbar-thumb{background:#ffffff26}[data-theme=dark] 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tr td:last-child{border-radius:0 10px 10px 0;width:120px}.files-table .row-actions{text-align:right}.files-table tbody tr{cursor:pointer}.files-table tr.set-card td{border-top:3px solid #2f6df6;border-top:3px solid var(--accent,#2f6df6)}.files-table tr.note-card td{border-top:3px solid #e6b800;border-top:3px solid var(--accent,#e6b800)}.files-table tr.pdf-card td{border-top:3px solid #d83a3a;border-top:3px solid var(--accent,#d83a3a)}.files-table tr.test-card td{border-top:3px solid #22c55e;border-top:3px solid var(--accent,#22c55e)}.files-table tr.ppt-card td{border-top:3px solid #d26b2a;border-top:3px solid var(--accent,#d26b2a)}.files-table tbody tr:hover td{border-color:#c6d6f8;border-color:var(--primary-soft,#c6d6f8);box-shadow:0 6px 16px -6px #0000001f,0 2px 6px #0000000f;transform:translateY(-1px)}.files-table tbody tr:active td{transform:translateY(0)}.files-list-panel .select-checkbox{background:var(--panel);border:2px solid #dfe4e8;border:2px solid 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.sidebar-search:focus{background:var(--panel);border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--color-primary-rgb),.08),0 2px 6px -1px rgba(var(--color-primary-rgb),.12);outline:none;transform:translateY(-1px)}.dashboard-sidebar .sidebar-search::placeholder{color:var(--muted);font-weight:400}.sidebar-search-clear{position:absolute;right:14px;top:50%;transform:translateY(-50%)}.nf-tree{flex:1 1 auto;margin:0 calc(var(--space-2)*-1);min-height:0;overflow-x:hidden;overflow-y:auto;padding:var(--space-1) 0;padding-left:var(--space-2);padding-right:var(--space-2);scrollbar-color:rgba(var(--color-black-rgb),.15) #0000;scrollbar-width:thin}.nf-tree::-webkit-scrollbar{width:8px}.nf-tree::-webkit-scrollbar-track{background:#0000;margin:4px 0}.nf-tree::-webkit-scrollbar-thumb{background:rgba(var(--color-black-rgb),.12);background-clip:padding-box;border:2px solid 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var(--color-accent-chip-border);border-radius:999px;color:var(--color-accent-chip-text);cursor:pointer;font-size:var(--font-size-dash-xs);font-weight:600;letter-spacing:.045em;padding:5px 10px;transition:background .18s,border-color .18s}.breadcrumbs-bar .filter-chips .chip:hover{background:var(--color-accent-chip-bg-hover);border-color:var(--color-accent-chip-border-hover)}.breadcrumbs-bar .view-toggle{border:1px solid var(--border);border-radius:10px;display:inline-flex;overflow:hidden}.breadcrumbs-bar .view-toggle>button{background:var(--panel);border:0;padding:6px 10px}.breadcrumbs-bar .view-toggle>button.is-active{background:var(--primary);color:#fff;font-weight:600}.breadcrumbs-bar .file-search{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:8px 10px}.breadcrumbs-bar{display:none}.dashboard-sidebar .breadcrumbs-bar.breadcrumbs-compact{display:flex;gap:6px;padding:0 8px 4px}.dashboard-sidebar .breadcrumbs-bar.breadcrumbs-compact .crumbs{gap:6px;margin-right:0}.dashboard-sidebar .breadcrumbs-bar.breadcrumbs-compact .crumb{color:var(--muted);font-size:var(--font-size-dash-xs);font-weight:600}.dashboard-sidebar .breadcrumbs-bar.breadcrumbs-compact .crumb.is-current{color:var(--text)}.dashboard-sidebar .breadcrumbs-bar.breadcrumbs-compact .sep{opacity:.5}.breadcrumbs-bar.breadcrumbs-mobile{display:none}.files-grid-panel .breadcrumbs-bar{background:#0000;border-bottom:1px solid var(--border);border-radius:0;display:flex;margin:0 0 var(--space-3) 0;padding:8px 12px}.files-grid-panel .breadcrumbs-bar .crumbs{gap:6px;margin-right:auto}.files-grid-panel .breadcrumbs-bar .crumb{background:#0000;border-radius:8px;font-size:var(--font-size-dash-small);padding:6px 10px;transition:background .2s}.files-grid-panel .breadcrumbs-bar .crumb:hover{background:var(--panel-2)}.nf-header-bar{align-items:center;background:var(--panel);border-bottom:1px solid var(--border);box-shadow:0 1px 2px rgba(var(--color-shadow-base),.03);display:flex;gap:16px;justify-content:space-between;margin:0;max-width:none;padding:10px 20px;position:-webkit-sticky;position:sticky;top:0;width:100%;z-index:100}.nf-header-left{flex:0 0 auto}.nf-header-center,.nf-header-left{align-items:center;display:flex;gap:10px}.nf-header-center{flex:1 1 auto;justify-content:center;margin:0 auto;max-width:600px;min-width:200px}.nf-header-right{align-items:center;display:flex;flex:0 0 auto;gap:10px}.nf-header-bar .search-input,.search-input{align-items:center;background:var(--panel);border:1.5px solid var(--border);border-radius:12px;box-shadow:0 1px 2px rgba(var(--color-shadow-base),.04),0 2px 4px rgba(var(--color-shadow-base),.02);display:flex;gap:8px;max-width:100%;min-width:180px;padding:11px 16px 11px 40px!important;position:relative;transition:all .25s cubic-bezier(.25,.46,.45,.94);width:100%}.dashboard-topbar .search-input,.dashboard-topbar-center .search-input{padding:11px 16px 11px 40px!important}.dashboard-topbar .search-input .icon,.nf-header-bar .search-input .icon,.search-input .icon{align-items:center;color:var(--muted);display:flex;font-size:16px;height:18px;justify-content:center;left:12px;pointer-events:none;position:absolute;top:50%;transform:translateY(-50%);transition:color .25s ease;width:18px;z-index:1}.nf-header-bar .search-input:focus-within,.search-input:focus-within{background:var(--panel);border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--color-primary-rgb),.08),0 4px 12px -2px rgba(var(--color-primary-rgb),.15);transform:translateY(-1px)}.nf-header-bar .search-input:focus-within .icon,.search-input:focus-within .icon{color:var(--primary)}.nf-header-bar .search-input input,.search-input input{background:#0000;border:0;color:var(--text);font-size:var(--text-base);font-weight:500;outline:0;padding-left:0;width:100%}.nf-header-bar .search-input input::placeholder{color:var(--muted);font-weight:400}.file-search,.nf-header-bar .file-search{background:#0000;border:0;border-radius:0;min-width:0;padding:0!important;width:100%}.search-clear-btn{align-items:center;background:#0000;border:0;border-radius:6px;color:var(--muted);cursor:pointer;display:inline-flex;font-size:var(--text-base);height:24px;justify-content:center;padding:0;position:absolute;right:12px;top:50%;transform:translateY(-50%);transition:all .2s ease;width:24px}.search-clear-btn:hover{background:var(--panel-2);color:var(--text-muted)}.search-clear-btn:active{background:var(--border);transform:translateY(-50%) scale(.95)}.nf-header-bar .view-toggle{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;box-shadow:none;display:inline-flex;gap:0;overflow:hidden;padding:2px}.nf-header-bar .view-toggle>button{background:#0000;border:0;border-radius:8px;color:#64748b;font-weight:600;line-height:1;min-width:44px;padding:8px 13px;transition:all .2s ease}.nf-header-bar .view-toggle>button:hover{background:var(--panel);color:var(--text-muted)}.nf-header-bar .view-toggle>button.is-active{background:var(--primary);box-shadow:0 1px 2px rgba(var(--color-primary-rgb),.2);color:var(--color-text-inverse);font-weight:700}.nf-header-bar .view-toggle>button.is-active:hover{background:#2563eb;background:var(--primary-dark,#2563eb)}.nf-header-left .filter-chips{display:flex;flex-wrap:wrap;gap:6px}.nf-header-bar .action-btn,.nf-header-bar .btn.btn-ghost,.nf-header-bar .filter-trigger{align-items:center;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;box-shadow:none;color:var(--text-muted);cursor:pointer;display:inline-flex;font-size:var(--text-sm);font-weight:600;gap:7px;justify-content:center;line-height:1;min-height:38px;padding:9px 16px;transition:all .2s ease}.nf-header-bar .action-btn:hover,.nf-header-bar .btn.btn-ghost:hover,.nf-header-bar .filter-trigger:hover{background:var(--panel);border-color:var(--border-hover);box-shadow:0 1px 3px rgba(var(--color-shadow-base),.08);color:var(--text)}.nf-header-bar .action-btn:active,.nf-header-bar .btn.btn-ghost:active,.nf-header-bar .filter-trigger:active{background:var(--panel-2);border-color:var(--border-hover);box-shadow:none}.nf-header-bar .filter-trigger.is-active{background:var(--color-card-set-bg);border-color:var(--color-card-set);box-shadow:0 0 0 1px var(--color-card-set) inset;color:#1e40af;color:var(--color-accent-dark,#1e40af)}.nf-header-bar .filter-trigger.is-active .icon{color:var(--color-card-set)}.nf-header-bar .filter-trigger.is-active:hover{background:var(--color-card-set-bg-end);border-color:#2563eb;border-color:var(--primary-dark,#2563eb)}.nf-header-bar .action-btn .icon{font-size:var(--font-size-dash-small);line-height:1;margin-right:6px;opacity:.85}.nf-header-bar .action-btn .label{margin-right:6px}.nf-header-bar .action-btn .caret{opacity:.7}.nf-header-bar .action-btn .caret,.nf-header-bar .action-btn.import-export-trigger .label,.nf-header-bar .action-btn.new-trigger .label,.nf-header-bar .filter-trigger .label{font-size:var(--font-size-dash-xs)}.nf-header-bar .action-btn.is-muted{background:#f7fafc;background:var(--panel,#f7fafc);border-color:#b4c3d2cc;box-shadow:inset 0 0 0 1px #fff6;color:#6a7882;color:var(--muted,#6a7882)}.nf-header-bar .action-btn.is-muted:hover{background:#f1f6fa;background:var(--panel-2,#f1f6fa);border-color:#c9d6e2}.nf-header-bar .action-btn.new-trigger:not(.is-muted){background:var(--color-card-set);border-color:var(--color-card-set);box-shadow:0 1px 2px rgba(var(--color-primary-rgb),.25);color:var(--color-text-inverse)}.nf-header-bar .action-btn.new-trigger:not(.is-muted):hover{background:#2563eb;background:var(--primary-dark,#2563eb);border-color:#2563eb;border-color:var(--primary-dark,#2563eb);box-shadow:0 2px 4px rgba(var(--color-primary-rgb),.3)}.nf-header-bar .action-btn.new-trigger:not(.is-muted):active{background:#1d4ed8;background:var(--color-accent-mid,#1d4ed8);box-shadow:none}.nf-header-bar .action-btn.import-export-trigger{background:var(--panel-2);border-color:var(--border);color:var(--text-muted)}.nf-header-bar .action-btn.import-export-trigger:hover{background:var(--panel);border-color:var(--border-hover);box-shadow:0 1px 3px rgba(var(--color-shadow-base),.08);color:var(--text)}.nf-header-bar .action-btn.import-export-trigger:active{background:var(--panel-2);border-color:var(--border-hover);box-shadow:none}.nf-header-bar .filter-trigger{background:var(--panel-2);border-color:var(--border);color:var(--text-muted)}.nf-header-bar .filter-trigger:hover{background:var(--panel);border-color:var(--border-hover);color:var(--text)}[data-theme=dark] .nf-header-bar{background:var(--color-surface);border-bottom-color:var(--color-border);box-shadow:0 1px 3px #0000004d}[data-theme=dark] .nf-header-bar 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svg{flex-shrink:0;height:12px;width:12px}.folder-card{--card-bg:#fff;--icon-bg:#f1f5f9;--icon-color:#64748b;--badge-bg:#f1f5f9;--badge-color:#475569}.set-card{--card-bg:#fff;--icon-bg:#eff6ff;--icon-color:#2563eb;--badge-bg:#dbeafe;--badge-color:#1d4ed8}.note-card{--card-bg:#fff;--icon-bg:#fffbeb;--icon-color:#d97706;--badge-bg:#fef3c7;--badge-color:#b45309}.pdf-card{--card-bg:#fff;--icon-bg:#fff1f2;--icon-color:#e11d48;--badge-bg:#fecdd3;--badge-color:#be123c}.ppt-card{--card-bg:#fff;--icon-bg:#fff7ed;--icon-color:#ea580c;--badge-bg:#fed7aa;--badge-color:#c2410c}.test-card{--card-bg:#fff;--icon-bg:#ecfdf5;--icon-color:#059669;--badge-bg:#d1fae5;--badge-color:#047857}.lesson-card{--card-bg:#fff;--icon-bg:#f5f3ff;--icon-color:#7c3aed;--badge-bg:#ede9fe;--badge-color:#6d28d9}.study-notes-card{--card-bg:#fff;--icon-bg:#f0fdfa;--icon-color:#0d9488;--badge-bg:#ccfbf1;--badge-color:#0f766e}.ai-learn-card{--card-bg:#fff;--icon-bg:#eef2ff;--icon-color:#6366f1;--badge-bg:#e0e7ff;--badge-color:#4f46e5}.file-card.folder-card,.file-card.lesson-card,.file-card.note-card,.file-card.pdf-card,.file-card.ppt-card,.file-card.set-card,.file-card.study-notes-card,.file-card.test-card{background:var(--card-bg)}.file-card 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rgba(var(--color-primary-rgb),.16);opacity:1;transform:scale(1.02)}.placeholder-content{align-items:center;display:flex;flex-direction:column;gap:.85rem;padding:0;text-align:center}.placeholder-icon{color:var(--muted);font-size:var(--text-3xl);font-weight:300;line-height:1;margin-bottom:.4rem;transition:all .24s ease}.file-card.placeholder-card:hover .placeholder-icon{color:var(--text-muted);transform:scale(1.05)}.placeholder-title{color:var(--text);font-size:var(--text-2xl);font-weight:600;letter-spacing:-.005em;margin-bottom:.1rem}.placeholder-text{color:var(--muted);font-size:var(--text-base);font-weight:400;line-height:1.4;max-width:22rem}.placeholder-text.secondary{color:var(--muted);font-size:var(--text-sm);line-height:1.35;max-width:20rem}.placeholder-divider{align-items:center;display:flex;gap:1rem;margin:.3rem 0;max-width:14rem;width:100%}.placeholder-divider:after,.placeholder-divider:before{background:linear-gradient(90deg,#0000,#f1f5f9,#0000);content:"";flex:1 1;height:1px}.placeholder-divider span{color:#e2e8f0;font-size:var(--text-base);font-weight:500;letter-spacing:.06em;text-transform:uppercase}.new-item-options{display:flex;flex-direction:column;gap:1.2rem;margin:-4px;overflow:hidden;padding:4px}.new-item-option{align-items:flex-start;background:var(--panel);border:1.5px solid #e2e8f0;border:1.5px solid var(--border,#e2e8f0);border-radius:1.4rem;cursor:pointer;display:flex;gap:1.4rem;padding:1.6rem 1.8rem;position:relative;text-align:left;transition:box-shadow .22s ease,border-color .22s ease,background-color .22s ease}.new-item-option:before{background:linear-gradient(135deg,var(--color-card-set),color-mix(in srgb,var(--color-card-set) 30%,#0000));background:linear-gradient(135deg,var(--opt-accent,var(--color-card-set)),color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 30%,#0000));border-radius:inherit;content:"";inset:0;opacity:0;position:absolute;transition:opacity .28s ease}.new-item-option:hover{background:color-mix(in srgb,var(--color-card-set-bg) 30%,var(--panel));background:color-mix(in srgb,var(--opt-bg,var(--color-card-set-bg)) 30%,var(--panel));border-color:var(--opt-accent-soft,var(--color-card-set-bg-end));box-shadow:0 4px 16px -4px rgba(var(--color-shadow-base),.12),0 8px 24px -8px rgba(var(--color-shadow-base),.08),inset 0 0 0 1px var(--color-card-set-bg-end);box-shadow:0 4px 16px -4px rgba(var(--color-shadow-base),.12),0 8px 24px -8px rgba(var(--color-shadow-base),.08),inset 0 0 0 1px var(--opt-accent-soft,var(--color-card-set-bg-end))}.new-item-option:hover:before{opacity:.04}.new-item-option:active{box-shadow:0 2px 8px -2px rgba(var(--color-shadow-base),.1),inset 0 0 0 1px var(--color-card-set-bg-end);box-shadow:0 2px 8px -2px rgba(var(--color-shadow-base),.1),inset 0 0 0 1px var(--opt-accent-soft,var(--color-card-set-bg-end))}.new-item-option .opt-icon{background:linear-gradient(135deg,var(--color-card-set-bg),var(--color-card-set-bg-end));background:linear-gradient(135deg,var(--opt-bg,var(--color-card-set-bg)),var(--opt-bg-end,var(--color-card-set-bg-end)));border-radius:1.2rem;box-shadow:0 2px 8px -2px color-mix(in srgb,var(--color-card-set) 20%,#0000),inset 0 0 0 1px color-mix(in srgb,var(--color-card-set) 12%,#0000);box-shadow:0 2px 8px -2px color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 20%,#0000),inset 0 0 0 1px color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 12%,#0000);color:var(--color-card-set);color:var(--opt-accent,var(--color-card-set));display:grid;flex:0 0 auto;height:4.6rem;place-items:center;position:relative;transition:box-shadow .22s ease;width:4.6rem;z-index:1}.new-item-option:hover .opt-icon{box-shadow:0 4px 12px -3px color-mix(in srgb,var(--color-card-set) 30%,#0000),inset 0 0 0 1px color-mix(in srgb,var(--color-card-set) 18%,#0000);box-shadow:0 4px 12px -3px color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 30%,#0000),inset 0 0 0 1px color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 18%,#0000)}.new-item-option .opt-icon svg{height:2.4rem;width:2.4rem}.new-item-option .opt-body{display:flex;flex:1 1;flex-direction:column;gap:.6rem;min-width:0;position:relative;z-index:1}.new-item-option .opt-title{color:#0f172a;font-size:var(--text-2xl);font-weight:700;letter-spacing:-.01em;line-height:1.3}.new-item-option .opt-desc{color:#64748b;font-size:var(--text-xl);font-weight:500;line-height:1.45}.new-item-option.set-option{--opt-accent:var(--color-card-set);--opt-accent-soft:var(--color-card-set-bg-end);--opt-bg:var(--color-card-set-bg);--opt-bg-end:var(--color-card-set-bg-end)}.new-item-option.note-option{--opt-accent:var(--color-card-note);--opt-accent-soft:var(--color-card-note-bg-end);--opt-bg:var(--color-card-note-bg);--opt-bg-end:var(--color-card-note-bg-end)}.new-item-option.folder-option{--opt-accent:var(--color-card-lesson);--opt-accent-soft:#e9d5ff;--opt-bg:var(--color-card-lesson-bg);--opt-bg-end:var(--color-card-lesson-bg-end)}.new-item-options .menu-divider{background:#e2e8f0;background:var(--border,#e2e8f0);height:1px;margin:.6rem 0}[data-theme=dark] .new-item-options{padding:.8rem 0}[data-theme=dark] .new-item-option{background:#1e293b;background:var(--panel-2,#1e293b);border-color:#334155;border-color:var(--border,#334155)}[data-theme=dark] .new-item-option:hover{background:#0f172a;background:var(--panel,#0f172a);border-color:#475569;border-color:var(--opt-accent-soft,#475569);box-shadow:0 8px 24px -8px #0000004d,0 12px 32px -12px #00000040,inset 0 0 0 1.5px #475569;box-shadow:0 8px 24px -8px #0000004d,0 12px 32px -12px #00000040,inset 0 0 0 1.5px var(--opt-accent-soft,#475569)}[data-theme=dark] .new-item-option .opt-title{color:#e2e8f0;color:var(--text,#e2e8f0)}[data-theme=dark] .new-item-option .opt-desc{color:#94a3b8;color:var(--muted,#94a3b8)}[data-theme=dark] .new-item-option.set-option{--opt-accent:#60a5fa;--opt-accent-soft:#1e3a5f;--opt-bg:#1e3a5f;--opt-bg-end:#172554}[data-theme=dark] .new-item-option.note-option{--opt-accent:#fbbf24;--opt-accent-soft:#4a3a1a;--opt-bg:#4a3a1a;--opt-bg-end:#3d2f0f}[data-theme=dark] .new-item-option.folder-option{--opt-accent:#a78bfa;--opt-accent-soft:#3b2f5f;--opt-bg:#3b2f5f;--opt-bg-end:#2e1065}[data-theme=dark] .new-item-option .opt-icon{box-shadow:0 2px 8px -2px #0000004d,inset 0 0 0 1px #ffffff14}[data-theme=dark] .new-item-option:hover .opt-icon{box-shadow:0 4px 12px -3px #0006,inset 0 0 0 1px #ffffff1f}[data-theme=dark] .new-item-options .menu-divider{background:#334155;background:var(--border,#334155)}.empty-cards{background:linear-gradient(135deg,var(--panel-2) 0,var(--panel) 100%);border:2px dashed #cbd5e199;border-radius:2rem;padding:var(--space-11) var(--space-4);text-align:center;transition:all .32s ease}.empty-cards:hover{background:linear-gradient(135deg,var(--panel) 0,var(--panel-2) 100%);border-color:#94a3b8b3;box-shadow:0 8px 24px -8px #0f172a14,0 12px 32px -12px #0f172a0a}.empty-cards p{color:#475569;font-size:var(--text-2xl);font-weight:600;letter-spacing:-.01em;margin:0 0 1.2rem}.empty-cards .actions{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;margin-top:2rem}.empty-cards .actions .btn{border-radius:1.2rem;box-shadow:0 2px 8px -2px #0f172a1f,0 4px 12px -4px #0f172a14;font-size:var(--text-xl);font-weight:600;padding:1.2rem 2rem;transition:all .28s ease}.empty-cards .actions .btn:hover{box-shadow:0 6px 16px -6px #0f172a29,0 8px 24px -8px #0f172a1f;transform:translateY(-2px)}.dash-actions-bar{--ab-bg:#fff9;--ab-border:#e6edf4e6;--ab-shadow:0 0.4rem 1.8rem -0.8rem #14222c2e,0 0.2rem 0.6rem -0.2rem #14222c14;--ab-shadow-focus:0 0.6rem 2.6rem -1rem #14222c47,0 0.4rem 1.4rem -0.4rem #14222c1f;--ab-radius:1.8rem;align-items:stretch;-webkit-backdrop-filter:blur(1.8rem) saturate(180%);backdrop-filter:blur(1.8rem) saturate(180%);border-radius:var(--ab-radius);display:flex;flex-direction:column;gap:var(--space-2-5);min-width:21rem;padding:2.8rem 1.4rem 1.6rem;position:absolute;right:var(--space-5-2);top:var(--space-2-5);transition:box-shadow .35s,background .35s,padding .3s,border-color .35s}.dash-actions-bar:hover{box-shadow:var(--ab-shadow-focus)}.dash-actions-bar .actions-heading{color:#5d6c75;color:var(--muted,#5d6c75);font-size:var(--font-size-dash-xs);font-weight:700;letter-spacing:.065em;margin-top:0;padding:2px 2px 0;text-transform:uppercase}.dash-actions-bar .btn,.dash-actions-bar .btn.btn-ghost,.dash-actions-bar .btn.btn-ghost:hover,.dash-actions-bar .btn.btn-link,.dash-actions-bar .btn.btn-link:hover,.dash-actions-bar .quick-action,.dash-actions-bar a.quick-action{color:var(--text)}.dash-actions-bar .action-divider{background:linear-gradient(90deg,#0000,#8ca0b459,#0000);border-radius:1px;height:1px;margin:4px 0 2px}.dash-actions-bar .collapse-hide{animation:fadeIn .4s ease;display:flex;flex-direction:column;gap:10px}.dash-actions-bar .inline-actions-group{display:flex;flex-direction:column;gap:8px}.dash-actions-bar .inline-actions-group .action-btn{justify-content:flex-start}.dash-actions-bar .action-btn{align-items:center;background:var(--panel);border:1px solid #d5dde3;border:1px solid var(--border,#d5dde3);border-radius:11px;box-shadow:0 1px 2px #0000000d;display:inline-flex;font-size:var(--font-size-dash-small);font-weight:600;gap:8px;justify-content:space-between;letter-spacing:.04em;line-height:1;padding:9px 12px;position:relative;transition:background .25s,border-color .25s,box-shadow .25s,transform .25s;width:100%}.dash-actions-bar .action-btn.is-muted{background:#f7fafc;background:var(--panel,#f7fafc);border-color:#b4c3d2cc;box-shadow:inset 0 0 0 1px #fff6;color:#6a7882;color:var(--muted,#6a7882)}.dash-actions-bar .action-btn.is-muted .icon{opacity:.6}.dash-actions-bar .action-btn.is-muted:hover{background:#f1f6fa;background:var(--panel-2,#f1f6fa);border-color:#c9d6e2}.dash-actions-bar .action-btn .icon{font-size:var(--font-size-dash-small);line-height:1;margin-right:6px;opacity:.85}.dash-actions-bar .action-btn .caret{font-size:var(--font-size-dash-xs);opacity:.7}.dash-actions-bar 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.caret{margin-left:4px}.dash-actions-bar:not(.is-row){box-sizing:border-box;width:var(--layout-sidebar-secondary)}.dashboard-header .dash-actions-bar{margin-left:auto}.dash-actions-bar .dash-actions-collapse-btn{min-width:0!important;width:auto!important}@media (max-width:1180px){.dash-actions-bar .dash-actions-collapse-btn{min-width:0!important;width:auto!important}}@media (max-width:560px){.dash-actions-bar .dash-actions-collapse-btn{min-width:0!important;width:auto!important}}.filters-under-left{align-items:flex-start;display:flex;flex-direction:column;gap:4px;margin:0;padding:0}.filters-under-left .filter-chips{margin-top:2px}.filters-under-left .filter-trigger{font-size:var(--font-size-dash-medium);position:relative}.filter-trigger{color:var(--text);position:relative}.filters-under-left .filter-trigger.is-active{border-color:#c6d6f8;border-color:var(--primary-soft,#c6d6f8);box-shadow:inset 0 0 0 2px #c6d6f8;box-shadow:0 0 0 2px var(--primary-soft,#c6d6f8) inset}.filters-under-left 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4px;text-transform:uppercase}.filter-dot{background:#3a6df0;background:var(--primary,#3a6df0);border-radius:50%;box-shadow:0 0 0 2px #fff,0 0 0 4px #dfe8fb;box-shadow:0 0 0 2px var(--color-accent-chip-ring-inner,#fff),0 0 0 4px var(--color-accent-chip-ring,var(--primary-soft,#dfe8fb));display:inline-block;height:8px;margin-left:6px;width:8px}.mobile-filter-chips .chip{background:var(--color-accent-chip-bg);border:1px solid var(--color-accent-chip-border);border-radius:999px;color:var(--color-accent-chip-text);cursor:pointer;font-size:var(--font-size-dash-xs);font-weight:600;letter-spacing:.045em;padding:5px 10px;transition:background .18s,border-color .18s}.mobile-filter-chips .chip:hover{background:var(--color-accent-chip-bg-hover);border-color:var(--color-accent-chip-border-hover)}.dash-topbar .action-btn{font-size:var(--font-size-dash-small)}.dash-topbar .action-btn.import-export-trigger,.dash-topbar .action-btn.new-trigger,.dash-topbar .action-btn.new-trigger .icon,.dash-topbar .filter-trigger{font-size:var(--font-size-dash-medium)}.dash-topbar .action-btn.new-trigger .caret{font-size:var(--font-size-dash-xs)}.study-options-grid{grid-gap:10px;display:grid;gap:10px;grid-template-columns:repeat(1,minmax(0,1fr));margin:-4px;overflow:hidden;padding:4px}.study-option{align-items:flex-start;background:var(--panel);border:1px solid #dfe4e8;border:1px solid var(--border,#dfe4e8);border-radius:12px;cursor:pointer;display:flex;gap:12px;padding:12px 14px;position:relative;text-align:left;transition:box-shadow .22s,border-color .22s,transform .2s}.study-option:before{background:linear-gradient(135deg,var(--color-card-set),color-mix(in srgb,var(--color-card-set) 30%,#0000));background:linear-gradient(135deg,var(--opt-accent,var(--color-card-set)),color-mix(in srgb,var(--opt-accent,var(--color-card-set)) 30%,#0000));border-radius:inherit;content:"";inset:0;opacity:0;position:absolute;transition:opacity .28s ease}.study-option:hover{border-color:var(--opt-accent-soft,var(--color-card-set-bg-end));box-shadow:0 8px 24px -8px rgba(var(--color-shadow-base),.14),0 12px 32px -12px rgba(var(--color-shadow-base),.1),inset 0 0 0 1.5px var(--color-card-set-bg-end);box-shadow:0 8px 24px -8px rgba(var(--color-shadow-base),.14),0 12px 32px -12px rgba(var(--color-shadow-base),.1),inset 0 0 0 1.5px var(--opt-accent-soft,var(--color-card-set-bg-end));transform:translateY(-2px) scale(1.01)}.study-option:hover:before{opacity:.03}.study-option:active{transform:translateY(0) scale(1)}.study-option .opt-icon{background:#f5f7f9;background:var(--panel-2,#f5f7f9);border-radius:10px;box-shadow:inset 0 0 0 1px #dfe4e8;box-shadow:inset 0 0 0 1px var(--border,#dfe4e8);color:#2f6df6;color:var(--primary,#2f6df6);display:grid;flex:0 0 auto;height:36px;place-items:center;width:36px}.study-option .opt-icon svg{height:22px;width:22px}.study-option .opt-body{display:flex;flex:1 1;flex-direction:column;gap:4px;min-width:0;position:relative;z-index:1}.study-option .opt-title{font-size:var(--font-size-dash-small);font-weight:700;letter-spacing:.01em}.study-option .opt-desc{color:#6e7b88;color:var(--muted,#6e7b88);font-size:var(--font-size-dash-xs);font-weight:500;line-height:1.45}.study-option .opt-badge.ai{background:linear-gradient(135deg,#3d7dff,#1f56d8);background:linear-gradient(135deg,var(--color-accent-gradient-start,#3d7dff),var(--color-accent-gradient-end,#1f56d8));border-radius:999px;box-shadow:0 1px 2px #0000001f;color:#fff;display:inline-block;font-size:var(--text-xxs);font-weight:800;letter-spacing:.08em;margin-left:6px;padding:2px 6px;vertical-align:1px}.study-option.standard .opt-icon{background:#eef5ff;color:#2f6df6}.study-option.chat .opt-icon,.study-option.learn .opt-icon{background:#f1eaff;color:#6b3faf}.study-option.mc .opt-icon,.study-option.test .opt-icon{background:#fff2f0;color:#d83a3a}.study-option.written 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var(--page-pad)}.u-sr-only{clip:rect(0,0,0,0);border:0;height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mb-1{margin-bottom:4px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.p-1{padding:4px}.p-2{padding:8px}.p-3{padding:12px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.stack-sm{gap:8px}.stack-md,.stack-sm{display:flex;flex-direction:column}.stack-md{gap:14px}.stack-lg{display:flex;flex-direction:column;gap:22px}.cluster-xs{gap:6px}.cluster-sm,.cluster-xs{align-items:center;display:flex;flex-wrap:wrap}.cluster-sm{gap:10px}.cluster-md{align-items:center;display:flex;flex-wrap:wrap;gap:14px}.container{max-width:var(--container-max)}.container,.container-narrow{margin-inline:auto;padding-inline:var(--page-pad);width:100%}.container-narrow{max-width:900px}.no-overflow{min-width:0;overflow:hidden}.no-x-overflow{overflow-x:hidden}.w-full{width:100%}.h-full{height:100%}.text-muted{color:var(--color-muted)}.text-danger{color:var(--color-danger)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-1)}:root{--color-bg:#fff;--color-surface:#fff;--color-surface-2:#f5f8fa;--color-text:#24323e;--color-muted:#687782;--color-border:#dfe4e8;--color-accent:#4585da;--color-accent-hover:#315bcc;--color-danger:#d94a4a;--color-warning:#ffb347;--color-success:#2e8540;--color-success-alt:#19b27d;--color-success-accent:#2dd6a0;--color-accent-soft:#e3f2ff;--color-accent-dark:#134472;--color-accent-alt:#2f6df6;--color-text-inverse:#fff;--color-surface-dark:#0f1e23;--color-surface-dark-alt:#13262c;--color-border-alt:#1f3a41;--color-text-strong:#2c3e50;--color-muted-strong:#5a6772;--color-accent-mid:#1d4fbf;--color-accent-tint:#b9cff9;--color-danger-accent:#d93025;--color-surface-1-5:#f5f7f9;--color-black:#000;--color-warning-alt:#d2a93b;--color-danger-mid:#e85b5b;--color-text-deeper:#0c2233;--color-accent-bright:#348fdc;--color-accent-gradient-start:#3d7dff;--color-accent-gradient-end:#1f56d8;--color-accent-gradient-hover:#4a86ff;--color-accent-gradient-active:#1d56c9;--color-accent-gradient-focus-ring:#99c0ff;--color-accent-purple:#6b3faf;--color-accent-purple-soft:#e0cff7;--color-warning-soft:#ffe5d3;--color-warning-soft-border:#ffd4b6;--color-warning-strong:#d05c2b;--color-badge-type-bg:#e2e8f0;--color-badge-type-text:#2a3d4f;--color-badge-set-bg:var(--color-accent-soft);--color-badge-set-text:var(--color-accent-dark);--color-badge-note-bg:#fff4cf;--color-badge-note-text:#6a5200;--color-badge-pdf-bg:#ffe5e5;--color-badge-pdf-text:#7a1d1d;--color-ring-bg:#e5e9ef;--color-ring-bg-alt:#e9edf2;--color-ring-empty-bg:#f0f3f6;--color-filter-dot:var(--primary);--color-filter-dot-border-inner:var(--color-accent-chip-ring-inner);--color-filter-dot-border-outer:var(--color-accent-chip-ring);--color-accent-menu-text:#1d314a;--color-accent-menu-hover:#123f8f;--color-accent-menu-divider:#e0e8f3;--color-accent-chip-bg:#f0f4f9;--color-accent-chip-bg-hover:#e6edf5;--color-accent-chip-border:#d5dde5;--color-accent-chip-border-hover:#c9d5e0;--color-accent-chip-text:#243744;--color-accent-chip-ring:#dfe8fb;--color-accent-chip-ring-inner:#fff;--color-warning-accent:#d97706;--color-accent-info:#2563eb;--color-success-tint:#eafaf2;--color-success-border:#c6efdf;--color-neutral-tint:#eef2f5;--color-danger-soft:#ff7a7a;--color-accent-deep:#3f5d74;--color-accent-focus:#7aa2ff;--color-card-set:#3b82f6;--color-card-set-bg:#eff6ff;--color-card-set-bg-end:#dbeafe;--color-card-note:#f59e0b;--color-card-note-bg:#fffbeb;--color-card-note-bg-end:#fef3c7;--color-card-pdf:#ef4444;--color-card-pdf-bg:#fef2f2;--color-card-pdf-bg-end:#fee2e2;--color-card-ppt:#f97316;--color-card-ppt-bg:#fff7ed;--color-card-ppt-bg-end:#ffedd5;--color-card-test:#22c55e;--color-card-test-bg:#f0fdf4;--color-card-test-bg-end:#dcfce7;--color-card-lesson:#8b5cf6;--color-card-lesson-bg:#faf5ff;--color-card-lesson-bg-end:#f3e8ff;--color-card-study-notes:#06b6d4;--color-card-study-notes-bg:#ecfeff;--color-card-study-notes-bg-end:#cffafe;--color-shadow-base:15,23,42;--color-primary-rgb:59,130,246;--color-white-rgb:255,255,255;--color-black-rgb:0,0,0;--color-accent-focus-rgb:122,162,255;--space-0:0;--space-0-5:0.2rem;--space-0-7:0.3rem;--space-1:0.4rem;--space-1-2:0.5rem;--space-2:0.8rem;--space-3:1.2rem;--space-4:1.6rem;--space-5:2.4rem;--space-6:3.2rem;--space-7:4.0rem;--space-8:4.8rem;--space-1-5:0.6rem;--space-2-5:1.0rem;--space-3-5:1.4rem;--space-4-5:1.8rem;--space-5-0:2.0rem;--space-5-2:2.2rem;--space-6-0:2.6rem;--space-5-5:2.8rem;--space-6-5:3.4rem;--space-7-0:3.0rem;--space-7-5:3.8rem;--space-8-2:4.2rem;--space-8-4:4.4rem;--space-8-5:4.6rem;--space-9-4:5.4rem;--space-10-0:6.0rem;--space-9:5.6rem;--space-10:6.4rem;--space-11:7.0rem;--space-12:7.2rem;--space-13:8.0rem;--text-scale-base:1.5rem;--text-xxs:calc(var(--text-scale-base)*0.625);--text-xs:calc(var(--text-scale-base)*0.75);--text-sm:calc(var(--text-scale-base)*0.875);--text-base:calc(var(--text-scale-base)*1);--text-lg:calc(var(--text-scale-base)*1.2);--text-xl:calc(var(--text-scale-base)*1.4);--text-2xl:calc(var(--text-scale-base)*1.75);--text-3xl:calc(var(--text-scale-base)*2.25);--text-4xl:calc(var(--text-scale-base)*3);--font-size-dash-xs:var(--text-xs);--font-size-dash-small:var(--text-sm);--font-size-dash-medium:var(--text-base);--font-size-dash-large:var(--text-lg);--font-size-body:var(--text-base);--font-size-body-small:var(--text-sm);--font-size-muted:var(--text-xs);--font-size-heading-page:var(--text-3xl);--font-size-heading-section:var(--text-2xl);--font-size-heading-card:var(--text-xl);--font-size-ui-label:var(--text-sm);--font-size-ui-button:var(--text-base);--font-size-ui-tag:var(--text-xs);--font-size-code:var(--text-sm);--content-scale-multiplier:1;--font-size-flashcard-text:calc(var(--text-xl)*var(--content-scale-multiplier));--font-size-flashcard-front:var(--font-size-flashcard-text);--font-size-flashcard-back:calc(var(--text-lg)*var(--content-scale-multiplier));--font-size-note-text:calc(var(--text-base)*var(--content-scale-multiplier));--font-size-note-body:var(--font-size-note-text);--font-size-note-heading:calc(var(--text-2xl)*var(--content-scale-multiplier));--font-size-xs:var(--text-xs);--font-size-sm:var(--text-sm);--font-size-base:var(--text-base);--font-size-md:var(--text-base);--font-size-lg:var(--text-lg);--font-size-xl:var(--text-xl);--font-size-2xl:var(--text-2xl);--font-size-3xl:var(--text-3xl);--font-size-2xs:var(--text-xxs);--font-size-2xs-plus:var(--text-xxs);--font-size-xxs:var(--text-xxs);--font-size-xxs-plus:var(--text-xxs);--font-size-xs-alt:var(--text-xs);--font-size-xs-plus:var(--text-xs);--font-size-sm-alt:var(--text-sm);--font-size-sm-plus:var(--text-sm);--font-size-base-alt:var(--text-base);--font-size-base-plus:var(--text-base);--font-size-mini:var(--text-xxs);--font-size-kpi:var(--text-2xl);--font-size-label-tight:var(--text-xs);--font-size-title-sm:var(--font-size-dash-medium);--font-size-kpi-tight:var(--font-size-dash-large);--font-size-base-narrow:var(--font-size-dash-medium);--font-size-base-tight:var(--font-size-dash-small);--font-size-xs-tight:var(--font-size-dash-small);--font-size-xs-compact:var(--font-size-dash-small);--font-sans:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--radius-xs:0.4rem;--radius-sm:0.3rem;--radius-md:0.6rem;--radius-lg:0.8rem;--radius-lg-alt:1.0rem;--radius-xl:1.2rem;--radius-md-lg:0.9rem;--radius-xxl:1.4rem;--radius-3xl:1.6rem;--radius-4xl:1.8rem;--radius-card-classic:2.8rem;--radius-pill:99rem;--shadow-1:0 1px 2px #00000014;--shadow-2:0 4px 12px -4px #0000002e;--shadow-focus-ring:0 0 0 0.3rem #3a6df059;--shadow-card:0 0.8rem 2.8rem -1rem #0000002e,0 0 0 0.1rem var(--color-border);--shadow-card-flipped:0 1rem 3.4rem -1.2rem #00000040,0 0 0 0.1rem var(--color-border);--shadow-sm:0 1px 3px rgba(var(--color-black-rgb),0.04);--shadow-md:0 2px 6px rgba(var(--color-black-rgb),0.06);--shadow-btn:0 2px 4px rgba(var(--color-black-rgb),0.08);--shadow-focus-accent:0 0 0 0.2rem rgba(var(--color-accent-focus-rgb),0.25);--shadow-perf-left:0 0.2rem 0.6rem rgba(var(--color-black-rgb),0.04),0 0.6rem 1.8rem -1rem rgba(var(--color-black-rgb),0.15);--shadow-perf-left-collapsed:0 0.2rem 0.8rem -0.4rem rgba(var(--color-black-rgb),0.15);--shadow-perf-card:0 0.2rem 0.6rem rgba(var(--color-black-rgb),0.04),0 0.6rem 1.8rem -1rem rgba(var(--color-black-rgb),0.15);--shadow-perf-card-hover:0 0.8rem 2.2rem -0.8rem rgba(var(--color-black-rgb),0.25),0 0.4rem 1rem -0.4rem rgba(var(--color-black-rgb),0.15);--shadow-perf-kpi:0 1px 3px rgba(var(--color-black-rgb),0.05),0 3px 10px -5px rgba(var(--color-black-rgb),0.25);--shadow-perf-detail:0 4px 14px rgba(var(--color-black-rgb),0.08);--shadow-card-inset:0 0.2rem 0.4rem rgba(var(--color-black-rgb),0.04);--shadow-card-hover-strong:0 1rem 2.8rem -1rem rgba(var(--color-black-rgb),0.25),0 0.6rem 1.6rem -0.6rem rgba(var(--color-black-rgb),0.08);--shadow-folder-select:0 0.6rem 1.8rem -0.6rem #174aaa8c,0 0.3rem 1rem -0.3rem rgba(var(--color-black-rgb),0.28);--shadow-folder-select-hover:0 1rem 2.6rem -1rem #174aaa99,0 0.4rem 1.4rem -0.4rem rgba(var(--color-black-rgb),0.28);--shadow-folder-select-active:0 0.6rem 1.8rem -0.8rem #174aaa8c,0 0.3rem 1rem -0.4rem rgba(var(--color-black-rgb),0.30);--shadow-action-btn:0 1px 2px rgba(var(--color-black-rgb),0.05);--shadow-action-btn-hover:0 0.4rem 1rem -0.4rem rgba(var(--color-black-rgb),0.12);--shadow-actions-bar:0 0.4rem 1.8rem -0.8rem rgba(var(--color-black-rgb),0.18),0 0.2rem 0.6rem -0.2rem rgba(var(--color-black-rgb),0.08);--shadow-actions-bar-focus:0 0.6rem 2.6rem -1rem rgba(var(--color-black-rgb),0.28),0 0.4rem 1.4rem -0.4rem rgba(var(--color-black-rgb),0.12);--z-base:0;--z-sticky:100;--z-dropdown:1000;--z-modal:2000;--z-toast:4000;--sidebar-width:28rem;--page-pad:var(--space-5);--page-pad-mobile:var(--space-3);--navbar-height:52px;--layout-session-control-max:98rem;--layout-session-summary-max:118rem;--layout-flashcard-classic-max:100rem;--layout-settings-max:110rem;--layout-perf-charts-max:104rem;--layout-desktop-max:120rem;--layout-desktop-wide:140rem;--layout-sidebar-secondary:23rem;--layout-perf-card-height:40rem;--layout-perf-card-height-md:36rem;--layout-perf-card-height-sm:32rem;--layout-perf-card-height-xs:30rem;--layout-perf-card-height-wide:34rem;--layout-perf-table-scroll-max:42rem;--layout-perf-table-scroll-max-sm:34rem;--layout-perf-dist-chart-size-lg:28rem;--layout-perf-dist-chart-size-md:22rem;--layout-perf-dist-chart-size-sm:18rem;--layout-dashboard-max:138rem;--layout-dashboard-card-min:18rem;--layout-dashboard-card-min-tall:19.5rem;--layout-dashboard-skeleton-row:6.8rem;--layout-pdf-slider-width:10rem;--layout-pdf-slider-width-mobile:7rem;--layout-pdf-slider-width-popup:8rem;--layout-pdf-filename-max:28rem;--layout-notes-list-width:17rem;--layout-notes-list-width-float:14rem;--layout-pdf-rail-width-open:18rem;--layout-pdf-rail-width-open-sm:16rem;--layout-pdf-rail-width-collapsed:4.6rem;--layout-pdf-rail-slider-height:13rem;--control-pad-y:var(--space-1-5);--control-pad-x:var(--space-3);--control-height:3.2rem;--control-radius:var(--radius-md);--space-9-3:5.2rem;--session-grade-buttons-min:4.6rem;--session-grade-buttons-min-lg:5.2rem;--session-control-center-min:7.2rem;--session-control-center-min-expanded:9.4rem;--breakpoint-xs:48rem;--breakpoint-sm:64rem;--breakpoint-md:76.8rem;--breakpoint-lg:102.4rem;--breakpoint-xl:128rem;--breakpoint-2xl:153.6rem;--color-primary:#2c3e50;--color-primary-dark:#243444;--color-primary-soft:#e2ebf3;--primary:var(--color-primary);--primary-dark:var(--color-primary-dark);--primary-soft:var(--color-primary-soft);--text:var(--color-text);--muted:var(--color-muted);--border:var(--color-border);--danger:var(--color-danger);--warning:var(--color-warning);--panel:var(--color-surface);--panel-2:var(--color-surface-2);--panel-3:var(--color-surface-dark);--border-alt:var(--color-border-alt);--primary-bg:#e8f0fe;--error-bg:#ffebee;--success-bg:#e8f5e9;--info-bg:#e3f2fd;--text-primary:var(--color-text);--secondary-bg:#f9f9f9}[data-theme=dark]{--color-bg:#161618;--color-surface:#1e1e22;--color-surface-2:#26262b;--color-text:#e4e4e7;--color-muted:#a1a1aa;--color-border:#3f3f46;--color-accent:#60a5fa;--color-accent-hover:#93c5fd;--color-danger:#f87171;--color-warning:#fbbf24;--color-success:#4ade80;--color-text-inverse:#18181b;--color-surface-dark:#0f0f11;--color-surface-dark-alt:#09090b;--color-border-alt:#52525b;--color-text-strong:#fafafa;--color-muted-strong:#d4d4d8;--color-accent-soft:#1e3a5f;--color-accent-dark:#93c5fd;--color-accent-mid:#3b82f6;--color-accent-tint:#1e3a5f;--color-surface-1-5:#222226;--color-primary:#60a5fa;--color-primary-dark:#93c5fd;--color-primary-soft:#1e3a5f;--color-primary-rgb:96,165,250;--shadow-1:0 1px 3px #0009;--shadow-2:0 4px 14px -2px #000c;--color-shadow-base:0,0,0;--color-card-set:#60a5fa;--color-card-set-bg:#1e293b;--color-card-set-bg-end:#1e3a5f;--color-card-note:#fbbf24;--color-card-note-bg:#292524;--color-card-note-bg-end:#3d2f1a;--color-card-pdf:#f87171;--color-card-pdf-bg:#2a1f1f;--color-card-pdf-bg-end:#3f2020;--color-card-ppt:#fb923c;--color-card-ppt-bg:#2a2418;--color-card-ppt-bg-end:#3d2f1a;--color-card-test:#4ade80;--color-card-test-bg:#1a2e1f;--color-card-test-bg-end:#1e3a28;--color-card-lesson:#a78bfa;--color-card-lesson-bg:#251f33;--color-card-lesson-bg-end:#2e2644;--color-card-study-notes:#22d3ee;--color-card-study-notes-bg:#1a2e33;--color-card-study-notes-bg-end:#1e3a44;--color-card-folder:#a78bfa;--color-card-folder-bg:#251f33;--color-card-folder-bg-end:#2e2644;--color-badge-type-bg:#3f3f46;--color-badge-type-text:#e4e4e7;--color-badge-set-bg:#1e3a5f;--color-badge-set-text:#93c5fd;--color-badge-note-bg:#3d2f1a;--color-badge-note-text:#fcd34d;--color-badge-pdf-bg:#3f2020;--color-badge-pdf-text:#fca5a5;--color-ring-bg:#3f3f46;--color-ring-bg-alt:#52525b;--color-ring-empty-bg:#27272a;--color-accent-chip-bg:#27272a;--color-accent-chip-bg-hover:#3f3f46;--color-accent-chip-border:#52525b;--color-accent-chip-border-hover:#71717a;--color-accent-chip-text:#e4e4e7;--color-accent-chip-ring:#27272a;--color-accent-chip-ring-inner:#18181b;--color-accent-menu-text:#e4e4e7;--color-accent-menu-hover:#93c5fd;--color-accent-menu-divider:#3f3f46;--color-warning-soft:#3d2f1a;--color-warning-soft-border:#78350f;--color-warning-strong:#f59e0b;--color-success-tint:#1a2e1f;--color-success-border:#166534;--color-neutral-tint:#27272a;--color-danger-soft:#7f1d1d;--color-accent-focus:#60a5fa;--primary-bg:#1e3a5f;--error-bg:#3f2020;--success-bg:#1a2e1f;--info-bg:#1a2e42;--secondary-bg:#27272a;--text-primary:var(--color-text)}@media 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