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var(--color-border);flex-direction:column;flex:1;margin:0;list-style:none;display:flex;overflow-y:auto}.chat-empty{color:var(--color-text-muted);font-size:var(--font-size-sm)}.chat-empty-settings-link{color:var(--color-accent);cursor:pointer;font:inherit;background:0 0;border:none;padding:0;text-decoration:underline}.chat-message-user,.chat-message-assistant{max-width:85%;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm);white-space:pre-wrap;overflow-wrap:anywhere}.chat-message-user{background:var(--color-primary);color:var(--color-text-on-primary);align-self:flex-end}.chat-message-assistant{background:var(--color-surface-card);border:1px solid 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var(--color-border);width:2.25rem;height:2.25rem;color:var(--color-text-muted);cursor:pointer;background:0 0;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:border-color .15s,color .15s;display:inline-flex}.voice-input-button:hover{border-color:var(--color-border-strong);color:var(--color-text)}.voice-input-button--active{border-color:var(--color-danger);color:var(--color-danger);animation:1.4s ease-in-out infinite voice-input-pulse}@keyframes voice-input-pulse{0%,to{box-shadow:0 0 0 0 var(--color-danger-surface)}50%{box-shadow:0 0 0 5px var(--color-danger-surface)}}.voice-input-error{z-index:101;width:max-content;max-width:16rem;padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);background:var(--color-danger-surface);color:var(--color-danger);font-size:var(--font-size-xs);position:fixed;box-shadow:0 4px 16px #0000001f}.voice-input-consent{z-index:101;gap:var(--space-2);width:max-content;max-width:20rem;padding:var(--space-3);border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface-card);flex-direction:column;display:flex;position:fixed;box-shadow:0 4px 16px #0000001f}.voice-input-consent-text{font-size:var(--font-size-xs);color:var(--color-text)}.voice-input-consent-actions{justify-content:flex-end;gap:var(--space-2);display:flex}.notes-panel-actions{gap:var(--space-2);padding:var(--space-2);margin:calc(var(--space-2) * -1);flex-wrap:nowrap;display:flex;overflow:auto}.notes-panel-actions .chat-settings-button{padding:var(--space-1) var(--space-2);font-size:var(--font-size-sm);white-space:nowrap;flex-shrink:0}.notes-export-format{width:auto;padding:var(--space-1) var(--space-2);font-size:var(--font-size-sm);flex:none}.notes-file-input{display:none}.backup-status-note{font-size:var(--font-size-xs);color:var(--color-text-muted);margin:0}.backup-status-warning{color:var(--color-text);font-size:var(--font-size-sm)}.backup-status-warning strong{color:#b3261e}.notes-saved-indicator{font-size:var(--font-size-xs);color:var(--color-accent)}.notes-textarea-wrap{flex:1;display:flex;position:relative}.notes-textarea{resize:none;width:100%;padding:var(--space-3);padding-right:calc(2.25rem + var(--space-4));border:1px solid var(--color-border);border-radius:var(--radius-sm);font:inherit;font-size:var(--font-size-sm);flex:1}.notes-textarea-voice{top:var(--space-2);right:var(--space-2);z-index:1;position:absolute}.chat-settings-backdrop{padding:var(--space-4);z-index:100;background:#14161e80;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.chat-settings-panel{gap:var(--space-3);flex-direction:column;width:100%;max-width:28rem;max-height:90vh;display:flex;overflow-y:auto}.chat-settings-panel h2{margin:0}.chat-trust-badge{background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--space-3);font-size:var(--font-size-sm)}.chat-trust-badge-detail{margin:var(--space-2) 0 0;color:var(--color-text-muted);font-size:var(--font-size-xs)}.chat-settings-fieldset{gap:var(--space-1);flex-direction:column;display:flex}.chat-settings-label{font-size:var(--font-size-xs);color:var(--color-text-muted)}.chat-settings-note,.chat-settings-tip{font-size:var(--font-size-xs);color:var(--color-text-muted);margin:0}.chat-settings-actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.tests-nav-link{margin-bottom:var(--space-4)}.topic-nav__link--assessment{background:var(--color-warning-surface);border-color:var(--color-warning);color:var(--color-warning);font-weight:700}.topic-nav__link--assessment:hover{border-color:var(--color-warning)}@media (forced-colors:active){.topic-nav__link--assessment{border-style:dashed}}.tests-workspace{margin-top:var(--space-4)}.tests-grade-list{gap:var(--space-4);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=40rem){.tests-grade-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=64rem){.tests-grade-list{grid-template-columns:repeat(3,minmax(0,1fr))}}.tests-grade{background:var(--color-surface-card);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--space-4) var(--space-5);gap:var(--space-3);flex-direction:column;display:flex}.tests-grade--open{border-color:var(--color-accent);box-shadow:0 0 0 1px var(--color-accent)}.tests-grade__title{font-size:var(--font-size-lg);margin:0}.tests-grade__toggle{justify-content:center;align-items:center;gap:var(--space-2);white-space:nowrap;margin-top:auto;display:inline-flex;position:relative}.tests-grade__chevron{font-size:.7em}.grade-summary{gap:var(--space-2);flex-direction:column;display:flex}.grade-summary__text{color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0}.grade-summary__bar{appearance:none;background:var(--color-border);width:100%;height:.5rem;accent-color:var(--color-success);border:none;border-radius:999px;overflow:hidden}.grade-summary__bar::-webkit-progress-bar{background:var(--color-border);border-radius:999px}.grade-summary__bar::-webkit-progress-value{background:var(--color-success);border-radius:999px}.grade-summary__bar::-moz-progress-bar{background:var(--color-success);border-radius:999px}.tests-grade-panels{background:var(--color-surface-card);border:1px solid var(--color-accent);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--space-5);gap:var(--space-4);flex-direction:column;grid-column:1/-1;display:flex}.tests-grade-panels__header{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.tests-grade-panels__title{font-size:var(--font-size-xl);margin:0}.tests-grade-panels__title:focus{outline:none}.tests-grade-panels__title:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}.tests-grade-panels__intro{color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0}.tests-grade-panels>.card{margin:0}@media (width<=40rem){.tests-grade,.tests-grade-panels{padding:var(--space-4)}}.tests-workspace>.backup-status-note{margin-bottom:var(--space-4)}.backup-panel{gap:var(--space-3);flex-direction:column;max-width:32rem;display:flex}.backup-restore-form{gap:var(--space-2);flex-direction:column;align-items:flex-start;display:flex}.backup-code-warning{font-size:var(--font-size-sm);color:var(--color-text);font-weight:600}.backup-code-display{font-family:monospace;font-size:var(--font-size-lg);letter-spacing:.05em;background:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:var(--space-3);word-break:break-all}.backup-code-confirm{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);display:flex}.backup-last-synced{font-size:var(--font-size-sm);color:var(--color-text-muted)}.backup-panel-actions{gap:var(--space-2);flex-wrap:wrap;display:flex}.app-hero{align-items:flex-start;gap:var(--space-5);margin-bottom:var(--space-6);padding:var(--space-6);background:var(--app-card-bg);color:var(--app-ink);border-radius:32px;display:flex}.app-hero__emblem{background:var(--app-paper);border:1px solid var(--app-soft);border-radius:50%;flex:none;justify-content:center;align-items:center;width:3.5rem;height:3.5rem;display:inline-flex}.app-hero__emblem svg{fill:none;width:2rem;height:2rem;color:var(--app-accent);stroke:var(--app-accent);stroke-width:2.6px;stroke-linecap:round;stroke-linejoin:round}.app-hero__body{flex:1;min-width:0}.app-hero__kicker{font-size:var(--font-size-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--app-accent);margin:0;font-weight:700}.app-hero__title{margin:var(--space-1) 0 0;color:var(--app-ink)}.app-hero__blurb{margin:var(--space-2) 0 0;font-size:var(--font-size-lg);color:var(--app-ink)}.app-hero__extra{margin-top:var(--space-5)}@media (width<=40rem){.app-hero{gap:var(--space-4);padding:var(--space-5);border-radius:var(--radius-lg);flex-direction:column}}.app-tile{background:var(--app-card-bg);border:1px solid var(--app-soft);border-radius:var(--radius-lg);box-shadow:none;color:var(--app-ink);transition:border-color .15s,transform .15s}.app-tile:hover,.app-tile:focus-within{border-color:var(--app-accent);transform:translateY(-1px)}@media (prefers-reduced-motion:reduce){.app-tile:hover,.app-tile:focus-within{transform:none}}@media print{:root,:root:not([data-theme=light]),:root[data-theme=dark]{--app-card-bg:#fff;--app-paper:#fff;--app-ink:#000;--app-ink-dim:#000;--app-accent:#000;--app-soft:#000;--color-primary:#000;--color-primary-strong:#000;--color-text-on-primary:#767676;--color-primary-text:#000;--color-accent:#000;--color-accent-strong:#000}.topic-nav__link--active .topic-nav__badge{background:0 0;border-color:currentColor}}.theme-toggle[data-astro-cid-l6lhmie6]{width:2.25rem;height:2.25rem;color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:color .15s,transform .15s;display:inline-flex}.theme-toggle[data-astro-cid-l6lhmie6]:hover{color:var(--color-text);transform:translateY(-1px)}.theme-toggle__icon[data-astro-cid-l6lhmie6]{display:none}:root:not([data-theme]) .theme-toggle__icon--sun[data-astro-cid-l6lhmie6],:root[data-theme=light] .theme-toggle__icon--moon[data-astro-cid-l6lhmie6],:root[data-theme=dark] .theme-toggle__icon--monitor[data-astro-cid-l6lhmie6]{display:block}.visitor-counter[data-astro-cid-vgaoeity]{color:var(--color-text-muted);background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-pill,999px);align-items:center;gap:.6rem;padding:.4rem .9rem;font-size:.8rem;font-weight:600;display:inline-flex}.visitor-counter__item[data-astro-cid-vgaoeity]{align-items:center;gap:.35rem;display:inline-flex}.visitor-counter__value[data-astro-cid-vgaoeity]{color:var(--color-text);font-variant-numeric:tabular-nums}.visitor-counter__divider[data-astro-cid-vgaoeity]{background:var(--color-border);width:1px;height:.85rem}.visitor-counter__dot[data-astro-cid-vgaoeity]{background:#2fb344;border-radius:50%;width:.4rem;height:.4rem}@media (prefers-color-scheme:dark){.visitor-counter__dot[data-astro-cid-vgaoeity]{background:#4ade80}}