:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page-bg:#f6f7fb;--panel-bg:#ffffffeb;--panel-border:#94a3b838;--text-main:#1a1f2b;--text-soft:#5b6472;--primary:#2563eb;--primary-strong:#1d4ed8;--accent:#7c3aed;--accent-strong:#6d28d9;--danger:#dc2626;--surface:#fff;--surface-strong:#e2e8f0;--shadow-lg:0 1px 2px #1018280a, 0 8px 24px #1018280f;--radius:16px;--radius-sm:10px}*{box-sizing:border-box}html,body{background:radial-gradient(circle at top left, #dbeafe 0%, transparent 28%), radial-gradient(circle at right, #ede9fe 0%, transparent 26%), var(--page-bg);height:100%;color:var(--text-main);margin:0;font-family:Inter,Arial,Helvetica,sans-serif;overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0}.seating-app{background:var(--page-bg);flex-direction:column;height:100vh;display:flex;overflow:hidden}.seating-app.is-fullscreen .seating-page{height:100vh}.seating-app.is-fullscreen .canvas-shell{gap:8px;padding:8px}.seating-shell-header{width:100%;min-height:56px;box-shadow:none;background:color-mix(in srgb, var(--surface) 96%, transparent);border-top:0;border-left:0;border-right:0;border-radius:0;flex:none;margin:0;padding-top:10px;padding-bottom:10px}.seating-page{flex:auto;align-items:stretch;gap:0;min-width:0;min-height:0;padding:0;display:flex;overflow:hidden}.seating-sidebar{background:#fff;border-right:1px solid #e2e8f0;flex-direction:column;flex-shrink:0;width:14rem;min-height:0;max-height:100%;font-size:.8rem;display:flex;overflow:hidden}.sidebar-resize-handle{cursor:col-resize;touch-action:none;z-index:2;background:0 0;flex:0 0 5px;width:5px;margin-left:-2px;position:relative}.sidebar-resize-handle:after{content:"";background:0 0;width:1px;transition:background .15s;position:absolute;top:0;bottom:0;left:2px}.sidebar-resize-handle:hover:after,.sidebar-resize-handle:active:after{background:#94a3b8}.seating-sidebar__header{border-bottom:1px solid #f1f5f9;flex-shrink:0;align-items:center;height:3.5rem;padding:0 12px;display:flex}.seating-sidebar__eyebrow{text-overflow:ellipsis;white-space:nowrap;letter-spacing:.04em;text-transform:uppercase;color:#64748b;font-size:12px;font-weight:600;overflow:hidden}.seating-sidebar__nav{overscroll-behavior:contain;flex:1;min-height:0;padding:12px 8px;overflow-y:auto}.seating-sidebar__section-label{letter-spacing:.06em;text-transform:uppercase;color:#94a3b8;margin:0 0 4px;padding:0 8px;font-size:10px;font-weight:600}.seating-sidebar__footer{border-top:1px solid #f1f5f9;flex-shrink:0;padding:10px 12px}.seating-sidebar__footer .status-line{color:#64748b;margin:0;font-size:.78rem}.seating-sidebar__footer .status-line.is-warning,.status-line.is-warning{color:#92400e;background:#fef3c7;border:1px solid #f59e0b;border-radius:10px;padding:8px 10px;font-weight:700}.history-filters{flex-direction:column;gap:4px;margin:8px 0 10px;display:flex}.history-filters__label{color:var(--text-soft);font-size:.75rem;font-weight:700}.history-item.is-filtered-out{opacity:.42}.seating-nav-section{margin-bottom:2px}.seating-nav-item{color:#334155;width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:8px;padding:6px 8px;font-size:12px;font-weight:500;line-height:1.25;transition:background-color .14s,color .14s;display:flex}.seating-nav-item:hover{color:#0f172a;background:#f1f5f9}.seating-nav-item.is-active{background:color-mix(in srgb, var(--primary,#2563eb) 10%, white);color:color-mix(in srgb, var(--primary,#2563eb) 75%, #1e3a5f);box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--primary,#2563eb) 18%, white)}.seating-nav-item__label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.seating-nav-item__badge{color:#fff;background:#f59e0b;border-radius:999px;flex-shrink:0;padding:2px 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10px;font-size:12px;font-weight:700;display:inline-flex}.zebo-role-pill:before{content:"";background:currentColor;border-radius:999px;width:7px;height:7px}.zebo-role-pill--master{background:var(--zebo-role-master-bg);border-color:var(--zebo-role-master-border);color:var(--zebo-role-master)}.zebo-role-pill--teacher{background:var(--zebo-role-teacher-bg);border-color:var(--zebo-role-teacher-border);color:var(--zebo-role-teacher)}.zebo-role-pill--student{background:var(--zebo-role-student-bg);border-color:var(--zebo-role-student-border);color:var(--zebo-role-student)}.zebo-user-menu{align-items:center;display:inline-flex;position:relative}.zebo-user-menu__trigger{cursor:pointer;white-space:nowrap;text-overflow:ellipsis;background:0 0;border:none;align-items:center;gap:2px;max-width:220px;padding:4px 0;font-family:inherit;font-size:14px;font-weight:700;display:inline-flex;overflow:hidden}.zebo-user-menu__trigger:focus-visible{box-shadow:var(--zebo-focus-ring);border-radius:4px;outline:none}.zebo-user-menu__trigger--master{color:var(--zebo-role-master)}.zebo-user-menu__trigger--teacher{color:var(--zebo-role-teacher)}.zebo-user-menu__trigger--student{color:var(--zebo-role-student)}.zebo-user-menu__panel{background:var(--zebo-surface);border:1px solid var(--zebo-border);border-radius:var(--zebo-radius-sm);box-shadow:var(--zebo-shadow-menu);z-index:60;min-width:220px;color:var(--zebo-text);padding:8px 0;font-size:13px;position:absolute;top:calc(100% + 6px);right:0}.zebo-user-menu__copy{color:var(--zebo-text-muted);padding:6px 14px;line-height:1.4}.zebo-user-menu__separator{border:none;border-top:1px solid var(--zebo-border);margin:4px 0}.zebo-user-menu__item{text-align:left;cursor:pointer;width:100%;font:inherit;color:var(--zebo-text);background:0 0;border:none;padding:8px 14px;font-size:13px;display:block}.zebo-user-menu__item:hover{background:#f8fafc}.zebo-user-menu__item:focus-visible{background:color-mix(in srgb, var(--accent) 10%, white);outline:none}.zebo-tabs{align-items:center;gap:var(--zebo-space-2);flex-wrap:wrap;display:inline-flex}.zebo-tab{appearance:none;border-radius:var(--zebo-radius-pill);color:var(--zebo-text-muted);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:700;line-height:1.2;text-decoration:none;transition:background .12s,color .12s,border-color .12s;display:inline-flex}.zebo-tab:hover{background:color-mix(in srgb, var(--accent) 10%, white);color:var(--zebo-text);text-decoration:none}.zebo-tab:focus-visible{box-shadow:var(--zebo-focus-ring);outline:none}.zebo-tab.is-active,.zebo-tab[aria-current=page],.zebo-tab[data-active=true]{background:color-mix(in srgb, var(--accent) 16%, white);color:var(--accent);border-color:color-mix(in srgb, var(--accent) 28%, var(--zebo-border))}.zebo-tab-badge{border-radius:var(--zebo-radius-pill);background:var(--accent);color:#fff;justify-content:center;align-items:center;min-width:1.25rem;height:1.25rem;padding:0 5px;font-size:11px;font-weight:800;display:inline-flex}.zebo-btn{appearance:none;border-radius:var(--zebo-radius-sm);font:inherit;font-size:var(--zebo-font-size);cursor:pointer;box-shadow:var(--zebo-shadow);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-weight:700;line-height:1.2;text-decoration:none;transition:background .12s,border-color .12s,box-shadow .12s,transform .1s;display:inline-flex}.zebo-btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.zebo-btn:focus-visible{box-shadow:var(--zebo-shadow), var(--zebo-focus-ring);outline:none}.zebo-btn--primary{background:var(--accent);color:#fff;border-color:color-mix(in srgb, var(--accent) 80%, black)}.zebo-btn--primary:hover:not(:disabled){filter:brightness(.96);box-shadow:var(--zebo-shadow-hover)}.zebo-btn--secondary{background:var(--zebo-surface);color:var(--zebo-text);border-color:var(--zebo-border)}.zebo-btn--secondary:hover:not(:disabled){background:#f8fafc}.zebo-btn--ghost{color:var(--zebo-text-muted);box-shadow:none;background:0 0;border-color:#0000}.zebo-btn--ghost:hover:not(:disabled){background:color-mix(in srgb, var(--accent) 8%, white);color:var(--zebo-text)}.zebo-btn--sm{border-radius:8px;padding:6px 10px;font-size:13px}.zebo-input,.zebo-select,.zebo-textarea{appearance:none;width:100%;font:inherit;font-size:var(--zebo-font-size);border:1px solid var(--zebo-border);border-radius:var(--zebo-radius-sm);background:var(--zebo-surface);color:var(--zebo-text);box-shadow:none;padding:10px 12px;transition:border-color .12s,box-shadow .12s}.zebo-input:focus,.zebo-select:focus,.zebo-textarea:focus,.zebo-input:focus-visible,.zebo-select:focus-visible,.zebo-textarea:focus-visible{border-color:var(--accent);box-shadow:var(--zebo-focus-ring);outline:none}.zebo-textarea{resize:vertical;min-height:120px}.zebo-shell-header--dark{color:#eef3f0;background:#0e1a21;border-bottom-color:#ffffff1f}.zebo-shell-header--dark .zebo-tool-pill{color:#eef3f0;box-shadow:none;background:#ffffff14;border-color:#ffffff24}.zebo-shell-header--dark .zebo-tool-pill__name{color:#eef3f0}.zebo-shell-header--dark .zebo-hub-link{color:color-mix(in srgb, var(--accent) 80%, white)}.zebo-shell-header--dark .zebo-hub-link:hover{color:var(--accent)}.zebo-shell-header--dark .zebo-user-name--master,.zebo-shell-header--dark .zebo-user-menu__trigger--master{color:#c4b5fd}.zebo-shell-header--dark .zebo-user-name--teacher,.zebo-shell-header--dark .zebo-user-menu__trigger--teacher{color:#93c5fd}.zebo-shell-header--dark .zebo-user-name--student,.zebo-shell-header--dark .zebo-user-menu__trigger--student{color:#6ee7b7}.zebo-shell-header--dark .zebo-tab{color:#ffffffb8}.zebo-shell-header--dark .zebo-tab:hover{color:#fff;background:#ffffff1a}.zebo-shell-header--dark .zebo-tab.is-active,.zebo-shell-header--dark .zebo-tab[aria-current=page],.zebo-shell-header--dark .zebo-tab[data-active=true]{background:var(--accent);color:var(--accent-ink,#0f1c24);border-color:#0000}.zebo-shell-header--dark .zebo-user-menu__panel{color:#eef3f0;background:#13232c;border-color:#ffffff24}.zebo-shell-header--dark .zebo-user-menu__copy{color:#ffffffa6}.zebo-shell-header--dark .zebo-user-menu__item{color:#eef3f0}.zebo-shell-header--dark .zebo-user-menu__item:hover{background:#ffffff14}.zebo-shell-header--dark .zebo-user-menu__separator{border-top-color:#ffffff1f}@media (max-width:720px){.zebo-shell-header{padding:var(--zebo-space-2) var(--zebo-space-3)}.zebo-shell-header__nav{flex-basis:100%;order:3;justify-content:flex-start}}