.site-header{width:100%;border-bottom:1px solid var(--panel-border);background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 88%,transparent),color-mix(in srgb,var(--surface) 82%,transparent));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:60}.site-header-inner{width:min(1240px,94%);margin:0 auto;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:8px 0}.brand-wrap{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"toggle brand" "toggle sub";align-items:center;gap:1px 10px}.drawer-toggle{grid-area:toggle;border:1px solid var(--panel-border);background:color-mix(in srgb,var(--surface-alt) 55%,transparent);color:var(--text-main);border-radius:10px;width:34px;height:34px;font-size:1rem;line-height:1;cursor:pointer;display:grid;place-items:center}.drawer-toggle:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--panel-border))}.drawer-toggle:focus-visible,.drawer-close:focus-visible,.drawer-link:focus-visible,.drawer-logout:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 75%,#ffffff);outline-offset:1px}.brand{grid-area:brand;margin:0;font-size:1.24rem;font-weight:800;letter-spacing:.08em;color:var(--text-main)}.brand-sub{grid-area:sub;margin:0;font-size:.67rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-subtle);font-weight:700}.top-nav{display:flex;align-items:center;justify-content:space-between;gap:9px;width:100%}.nav-primary{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.nav-actions{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}.tab-btn{color:var(--text-main);background:transparent;border:1px solid transparent;border-radius:999px;padding:7px 11px;font-weight:600;font-size:.82rem;cursor:pointer;white-space:nowrap;transition:all .2s ease}.tab-btn:hover{background:color-mix(in srgb,var(--surface-alt) 70%,transparent);border-color:color-mix(in srgb,var(--panel-border) 80%,transparent)}.tab-btn:focus-visible,.start-btn:focus-visible,.nav-more-trigger:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 75%,#ffffff);outline-offset:1px}.tab-btn-active{background:color-mix(in srgb,var(--surface-alt) 75%,transparent);border-color:color-mix(in srgb,var(--accent) 35%,var(--panel-border));color:var(--text-main)}.start-btn{border-radius:999px;border:1px solid color-mix(in srgb,var(--accent) 75%,#ffffff);background:linear-gradient(120deg,var(--button-bg),var(--button-bg-hover));color:var(--button-text);font-size:.8rem;font-weight:700;padding:7px 12px;cursor:pointer;white-space:nowrap}.start-btn:hover{filter:brightness(1.06)}.profile-btn{border-color:var(--panel-border);background:color-mix(in srgb,var(--surface-alt) 55%,transparent)}.logout-btn{border-color:var(--danger-border);background:color-mix(in srgb,var(--danger-bg) 65%,transparent);color:var(--danger-text)}.nav-more{position:relative}.nav-more>summary{list-style:none}.nav-more>summary::-webkit-details-marker{display:none}.nav-more-trigger{border-radius:999px;border:1px solid var(--panel-border);background:color-mix(in srgb,var(--surface-alt) 48%,transparent);color:var(--text-main);font-size:.8rem;font-weight:700;padding:7px 11px;cursor:pointer}.nav-more[open] .nav-more-trigger{border-color:color-mix(in srgb,var(--accent) 35%,var(--panel-border))}.nav-more-menu{position:absolute;right:0;top:calc(100% + 8px);width:min(340px,92vw);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:12px;padding:10px;box-shadow:var(--card-shadow);display:grid;gap:8px}.nav-more-group{display:grid;gap:4px}.nav-more-label{margin:0;font-size:.64rem;color:var(--text-subtle);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.nav-more-items{display:flex;flex-wrap:wrap;gap:4px}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000061;z-index:69}.left-drawer{position:fixed;top:0;left:0;width:min(320px,86vw);height:100vh;background:var(--panel-bg);border-right:1px solid var(--panel-border);box-shadow:var(--card-shadow);z-index:70;transform:translate(-102%);transition:transform .22s ease;display:grid;grid-template-rows:auto 1fr auto}.left-drawer-open{transform:translate(0)}.drawer-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:14px 14px 10px;border-bottom:1px solid color-mix(in srgb,var(--panel-border) 70%,transparent)}.drawer-brand{margin:0;font-size:1.05rem;font-weight:800;letter-spacing:.07em}.drawer-sub{margin:2px 0 0;font-size:.72rem;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.08em}.drawer-close{border:1px solid var(--panel-border);background:transparent;color:var(--text-main);border-radius:8px;width:30px;height:30px;cursor:pointer}.drawer-body{overflow:auto;padding:10px 10px 12px;display:grid;gap:10px}.drawer-group{border:1px solid color-mix(in srgb,var(--panel-border) 75%,transparent);border-radius:10px;padding:8px;background:color-mix(in srgb,var(--surface-alt) 45%,transparent)}.drawer-label{margin:0 0 6px;color:var(--text-subtle);font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.drawer-links{display:grid;gap:5px}.drawer-link{border:1px solid transparent;background:transparent;color:var(--text-main);border-radius:8px;text-align:left;padding:7px 8px;font-size:.84rem;font-weight:600;cursor:pointer}.drawer-link:hover{border-color:var(--panel-border);background:color-mix(in srgb,var(--surface) 65%,transparent)}.drawer-link-active{border-color:color-mix(in srgb,var(--accent) 35%,var(--panel-border));background:color-mix(in srgb,var(--surface-emphasis) 62%,transparent)}.drawer-foot{border-top:1px solid color-mix(in srgb,var(--panel-border) 70%,transparent);padding:10px}.drawer-logout{width:100%;border:1px solid var(--danger-border);background:color-mix(in srgb,var(--danger-bg) 70%,transparent);color:var(--danger-text);border-radius:10px;padding:9px 10px;font-size:.85rem;font-weight:700;cursor:pointer}@media (max-width: 980px){.site-header-inner{flex-direction:column;align-items:stretch;gap:10px}.top-nav{flex-direction:column;align-items:stretch}.nav-actions{justify-content:flex-start}}@media (max-width: 700px){.brand{font-size:1.18rem}.brand-sub{font-size:.68rem}.tab-btn,.start-btn,.nav-more-trigger{font-size:.8rem;padding:7px 12px}.nav-more-menu{left:0;right:auto;width:min(420px,92vw)}.drawer-toggle{width:32px;height:32px}}.site-footer{margin-top:auto;border-top:1px solid var(--panel-border);padding:18px 24px 28px;text-align:center;color:var(--text-subtle);font-size:.9rem}.site-footer p{margin:0}.creator-form{display:grid;gap:10px}.creator-form input,.creator-form select,.creator-form textarea{border:1px solid var(--panel-border);border-radius:10px;padding:10px 11px;font-size:.95rem;background:var(--surface);color:var(--text-main)}.creator-form textarea{resize:vertical;min-height:130px}.creator-form button[type=submit]{border:1px solid var(--button-bg);background:linear-gradient(120deg,var(--button-bg),var(--button-bg-hover));color:var(--button-text);border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}.creator-form button[disabled]{cursor:not-allowed;opacity:.55}.field-label{margin:2px 0 -2px;font-size:.9rem;font-weight:700;color:var(--text-main)}.toolbar-row{display:flex;gap:8px;flex-wrap:wrap}.toolbar-row .secondary-btn{border:1px solid var(--panel-border);border-radius:999px;background:var(--surface-alt);color:var(--link);font-weight:700;cursor:pointer;padding:6px 12px}.option-editor-list{display:grid;gap:8px}.option-editor-row{display:grid;grid-template-columns:auto 1fr;gap:8px;align-items:center}.sources-grid{display:grid;gap:8px}.source-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.add-source-btn{justify-self:flex-start}@media (max-width: 700px){.source-row{grid-template-columns:1fr}}.link-dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--muted-overlay);display:grid;place-items:center;z-index:40;padding:18px}.link-dialog{width:min(560px,100%);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:18px;box-shadow:var(--card-shadow);padding:18px;display:grid;gap:10px}.link-dialog h3{margin:0 0 2px;font-size:1.1rem}.link-dialog input{border:1px solid var(--panel-border);border-radius:10px;padding:10px 11px;font-size:.95rem;color:var(--text-main);background:var(--surface)}.link-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.store-shell{background:var(--panel-bg);border-radius:18px;border:1px solid var(--panel-border);padding:18px;color:var(--text-main)}.store-header-row{display:flex;align-items:center;gap:12px;margin-bottom:16px}.store-back-arrow{font-size:1.6rem;line-height:1}.store-header-row h2{margin:0;font-size:clamp(1.35rem,4.8vw,2.1rem);font-weight:600}.store-new-btn{min-width:180px;margin-bottom:14px}.store-list{display:grid;gap:16px}.store-card{background:var(--panel-muted-bg);border-radius:16px;border:1px solid var(--panel-border);padding:16px}.store-card h3{margin:0 0 8px;font-size:1.35rem;font-weight:600;line-height:1.2;color:var(--text-main)}.store-desc{margin:0 0 8px;font-size:.95rem;color:var(--text-subtle)}.store-meta{margin:0 0 4px;font-size:.9rem;color:var(--text-subtle)}.store-actions-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.store-btn{border-radius:999px;border:1px solid var(--panel-border);background:transparent;color:var(--text-main);font-size:.95rem;line-height:1;padding:10px 18px;min-height:40px;cursor:pointer}.store-btn-primary{background:var(--button-bg);border-color:var(--button-bg);color:var(--button-text)}.store-btn-outline{background:var(--surface-alt);border-color:var(--panel-border);color:var(--link)}.store-btn-danger{background:var(--danger-bg);border-color:var(--danger-border);color:var(--danger-text)}.store-status,.store-muted,.store-error{margin:0 0 10px}.store-status,.store-muted{color:var(--accent)}.store-error{color:var(--error)}.store-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--muted-overlay);display:grid;place-items:center;z-index:80;padding:18px;overflow-y:auto}.store-dialog{width:min(620px,100%);background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:18px;padding:16px;display:grid;gap:10px;color:var(--text-main);max-height:calc(100vh - 36px);overflow-y:auto}.store-dialog-wide{width:min(980px,100%)}.store-dialog-grid{display:grid;gap:10px}.store-line-btn{text-align:left;display:grid;gap:3px;justify-items:start;background:var(--surface);border:1px solid var(--panel-border)}.store-line-btn p{margin:0}.store-line-meta{font-size:.8rem;color:var(--text-subtle)}.store-line-empty{margin:0;color:var(--text-subtle);padding:6px 8px;font-size:.88rem}.tests-layout{display:grid;grid-template-columns:320px 1fr;gap:14px}.tests-side,.tests-main{display:grid;gap:10px;max-height:calc(100vh - 230px);overflow-y:auto;padding-right:4px}.tests-side .store-scroll,.tests-side .store-scroll-compact{max-height:190px}.tests-main h4,.tests-side h4{margin:3px 0}.store-subpanel{background:var(--panel-muted-bg);border:1px solid var(--panel-border);border-radius:12px;padding:8px}.store-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.store-subpanel .store-scroll{max-height:240px}.store-inline-actions{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0}.store-option-row{display:grid;grid-template-columns:24px 1fr;align-items:center;gap:8px}.store-help-text{margin:2px 0 6px;font-size:.82rem;color:var(--text-subtle)}.store-scroll-compact{max-height:120px}.store-dialog h3{margin:0 0 4px}.store-dialog input,.store-dialog textarea,.store-dialog select{border:1px solid var(--panel-border);border-radius:10px;padding:10px 11px;font-size:.95rem;background:var(--surface);color:var(--text-main)}.store-dialog-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.store-dialog-actions{display:flex;justify-content:flex-end;gap:10px}.store-subhead{margin:0;color:var(--link);font-weight:700}.store-field-label{margin:2px 0 -2px;font-size:.86rem;color:var(--text-subtle);font-weight:700}.store-scroll{max-height:180px;overflow:auto;border:1px solid var(--panel-border);border-radius:8px;padding:8px;background:var(--surface-muted)}.store-line{margin:0 0 6px;font-size:.88rem;cursor:pointer}.store-line-selected{background:var(--surface-alt);border-radius:8px;padding:6px 8px}@media (max-width: 700px){.store-card h3{font-size:1.08rem}.store-btn{flex:1 1 42%;min-width:130px;padding:10px 16px}.store-dialog-row{grid-template-columns:1fr}.store-overlay{place-items:start center;padding:10px}.store-dialog{max-height:calc(100vh - 20px)}.tests-layout{grid-template-columns:1fr}.tests-side .store-scroll,.tests-side .store-scroll-compact,.store-subpanel .store-scroll{max-height:160px}.store-grid-2{grid-template-columns:1fr}}.store-user-shell{background:var(--panel-bg);color:var(--text-main);border:1px solid var(--panel-border)}.store-user-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.store-user-header h2{margin:0}.store-user-back{background:transparent;border:0;color:var(--text-main);font-size:1.4rem;cursor:pointer}.store-user-shell input[type=text],.store-user-shell input:not([type]),.store-user-shell input[type=search],.store-user-shell input[type=number],.store-user-shell input[type=email],.store-user-shell input[type=password]{border:1px solid var(--panel-border);border-radius:10px;padding:10px 11px;background:var(--surface);color:var(--text-main);width:100%}.store-user-list{display:grid;gap:12px;margin-top:10px}.store-user-card{border-radius:14px;border:1px solid var(--panel-border);background:var(--panel-muted-bg);padding:14px}.store-user-card h3{margin:0 0 6px;color:var(--text-main)}.store-user-sub{margin:0 0 8px;color:var(--text-subtle)}.store-user-price,.store-user-owned{margin:0;color:var(--accent);font-weight:700}.store-user-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.store-user-actions.top{margin-top:8px}.store-user-btn{border-radius:999px;border:1px solid var(--panel-border);background:transparent;color:var(--text-main);padding:8px 15px;cursor:pointer}.store-user-btn.solid{background:var(--button-bg);border-color:var(--button-bg);color:var(--button-text)}.store-user-btn.outline{background:var(--surface-alt);border-color:var(--panel-border);color:var(--link)}.store-user-image{width:100%;max-height:320px;object-fit:cover;border-radius:10px;margin-bottom:10px}.strike{text-decoration:line-through;opacity:.8;margin-right:6px}.store-user-ok{color:var(--accent)}.store-user-err{color:var(--error)}.store-attempt-form{display:grid;gap:12px}.store-attempt-card{border:1px solid var(--panel-border);border-radius:12px;background:var(--panel-muted-bg);padding:12px}.store-option{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;margin:8px 0;border:1px solid var(--panel-border);border-radius:10px;background:var(--panel-bg)}.store-attempt-image{width:100%;max-height:260px;object-fit:cover;border-radius:10px}.store-result-summary{margin:12px 0;padding:10px;border:1px solid var(--panel-border);border-radius:10px;background:var(--surface-alt);display:grid;gap:4px}.store-result-row{border:1px solid var(--panel-border);border-radius:10px;padding:12px;margin-bottom:10px;background:var(--panel-bg)}.store-result-option{margin:8px 0;padding:6px 8px;border-radius:8px;border:1px solid var(--panel-border)}.store-result-option.selected{background:color-mix(in srgb,var(--link) 20%,transparent)}.store-result-option.correct{background:color-mix(in srgb,var(--success) 20%,transparent);border-color:var(--success)}.store-result-explanation{margin-top:6px;color:var(--text-subtle);font-style:italic}.store-result-row.is-correct{border-color:var(--success)}.store-result-row.is-incorrect{border-color:var(--error)}.store-user-shell h2{margin-top:0}.store-user-sub+.store-badge,.store-result-summary+.store-result-row{margin-top:10px}.dashboard-shell{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(circle at 12% 0%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 35%),radial-gradient(circle at 95% 8%,color-mix(in srgb,var(--link) 18%,transparent),transparent 38%),var(--page-bg)}.dashboard-main{width:min(1240px,94%);margin:12px auto 34px;display:grid;gap:12px}.hero{display:grid;grid-template-columns:1.4fr .9fr;gap:14px;padding:15px 16px;border-radius:18px;border:1px solid var(--panel-border);background:linear-gradient(150deg,color-mix(in srgb,var(--surface) 85%,transparent),color-mix(in srgb,var(--surface-alt) 45%,transparent));box-shadow:var(--card-shadow)}.kicker{margin:0;color:var(--accent-2);text-transform:uppercase;font-weight:700;letter-spacing:.1em;font-size:.75rem}.hero h1{margin:6px 0 8px;font-size:clamp(1.25rem,2.8vw,1.95rem);color:var(--text-main);line-height:1.2}.hero-sub{margin:0;color:var(--text-subtle);line-height:1.5;max-width:66ch;font-size:.9rem}.meta{min-width:190px;border-radius:14px;border:1px solid var(--panel-border);background:color-mix(in srgb,var(--surface-alt) 55%,transparent);padding:10px 11px;display:grid;gap:8px}.meta p{margin:0;font-size:.84rem;color:var(--text-subtle)}.global-message{margin:0;color:var(--accent-text);font-size:.9rem;font-weight:600}.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}.stat-card{border:1px solid var(--panel-border);border-radius:14px;background:var(--panel-bg);padding:9px 10px;transition:transform .18s ease,border-color .18s ease}.stat-card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 28%,var(--panel-border))}.stat-card p{margin:0 0 5px;color:var(--text-subtle);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}.stat-card strong{font-size:1rem;color:var(--text-main)}.panel{background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:18px;padding:14px;color:var(--text-main);box-shadow:var(--card-shadow)}.panel h2{margin:0 0 6px;color:var(--text-main);letter-spacing:.01em}.feed-header{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:8px;border-top:1px solid color-mix(in srgb,var(--panel-border) 60%,transparent);padding-top:10px}.feed-subtitle{margin:0;color:var(--text-subtle);font-size:.93rem;line-height:1.45}.feed-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:8px 0 10px}.quick-card{border:1px solid var(--panel-border);border-radius:13px;padding:10px;background:color-mix(in srgb,var(--panel-muted-bg) 88%,transparent);display:grid;gap:6px}.quick-label{margin:0;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle)}.quick-card h3{margin:0;font-size:.88rem;line-height:1.35}.quick-card p{margin:0;color:var(--text-subtle);font-size:.8rem}.quick-link-btn{width:fit-content;border:1px solid var(--panel-border);background:var(--surface-alt);color:var(--link);border-radius:999px;padding:6px 10px;font-size:.79rem;font-weight:700;cursor:pointer}.quick-tags{display:flex;flex-wrap:wrap;gap:6px}.quick-list{margin:0;padding-left:16px;display:grid;gap:4px;color:var(--text-subtle);font-size:.84rem}.feed-tools{display:grid;grid-template-columns:minmax(220px,1fr) minmax(260px,1fr) auto;gap:8px;align-items:end;margin-bottom:8px}.feed-tools-title h3{margin:0;font-size:1rem}.feed-tools-title p{margin:4px 0 0;color:var(--text-subtle);font-size:.82rem;line-height:1.4}.feed-search{border:1px solid var(--panel-border);border-radius:10px;padding:9px 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