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#00000014;--fs-heading:clamp(1.5rem, 1.1rem + 1.5vw, 2.1rem);--fs-subheading:1.08rem;--fs-body:.92rem;--fs-caption:.8rem;--color-error:#c62828;--color-overlay-text:#fff;--color-overlay-bg:#000000eb;--lh-heading:1.1;--lh-body:1.4}[data-theme=dark]{--color-bg:#1a1a1e;--color-surface:#252529;--color-surface-soft:#2c2c30;--color-surface-hover:#323236;--color-surface-secondary:#2c2c30;--color-text:#f5f5f7;--color-text-muted:#98989d;--color-muted:#98989d;--color-primary:#f5f5f7;--color-primary-strong:#fff;--color-border:#38383d;--color-border-hover:#505055;--color-terracotta:#98989d;--color-terracotta-soft:#2c2c30;--color-success:#4ade80;--color-shadow:0 1px 3px #0000004d;--color-glass:#0006;--color-glass-strong:#000000b3;--color-backdrop:#0009;--color-drawer-shadow:-18px 0 40px #0006;--color-text-inverse:#1a1a1e;--color-shadow-sm:0 1px 3px #0000004d;--color-shadow-md:0 4px 12px #0006;--color-shadow-lg:0 8px 24px #00000080;--shadow-card:0 1px 3px #0000004d;--shadow-popup:0 4px 12px 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button.active{border-color:var(--color-text);background:var(--color-bg)}.requests-list,.lesson-list,.slot-list{gap:var(--space-2);margin:0;padding:0;list-style:none;display:grid}.requests-list li,.lesson-card,.slot-list li{padding:var(--space-3);gap:var(--space-1);font-size:.92rem}.request-card{cursor:pointer;transition:transform var(--motion), box-shadow var(--motion), background-color var(--motion)}.request-card-body{gap:var(--space-1);display:grid}.discover-empty-profile-callout{background:var(--color-surface);border:1px solid var(--color-border)}.has-unread{box-shadow:var(--color-shadow), inset 0 0 0 2px #0000001f}.lesson-card{cursor:pointer;transition:transform var(--motion), box-shadow var(--motion), background-color var(--motion)}.request-actions,.action-buttons{align-items:flex-start;gap:var(--space-2);flex-wrap:wrap;display:flex}.request-actions{justify-content:space-between}button{border:1.5px solid 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Mono,SFMono-Regular,monospace;font-size:.9em;display:flex}.mnemonic-index{background:var(--color-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;min-width:24px;height:24px;font-size:.75em;font-weight:700;display:inline-flex}.mnemonic-word{font-weight:500}.auth-expert-spoiler{margin:var(--space-3) 0;font-size:.85em}.auth-expert-spoiler summary{cursor:pointer;color:var(--color-muted);font-weight:600}.auth-expert-spoiler[open] summary{margin-bottom:var(--space-2)}.warning-text{color:var(--color-muted);font-weight:700}.check-row{align-items:flex-start;gap:var(--space-2);display:flex}.check-row input{margin-top:4px}.secret-mask .auth-divider-rule{align-items:flex-start;gap:var(--space-3);margin:var(--space-3) 0;display:flex}.secret-mask .auth-divider-rule:before,.secret-mask .auth-divider-rule:after{content:"";background:var(--color-border);flex-grow:1;height:1px}.secret-mask .auth-divider-rule 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