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140px}}.note-lookup{display:flex;flex-direction:column;gap:20px;max-width:900px;margin:0 auto;padding:16px}.note-lookup__title{font-size:1.25rem;font-weight:700;color:var(--color-text-primary);margin:0}.note-lookup__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}@media(max-width:480px){.note-lookup__grid{grid-template-columns:repeat(4,1fr)}}.note-lookup__btn{padding:10px 6px;border-radius:var(--radius-button);border:1.5px solid var(--color-fret);background:var(--color-surface);color:var(--color-text-primary);font-weight:700;font-size:.95rem;cursor:pointer;transition:background .15s,color .15s}.note-lookup__btn:hover{border-color:var(--color-accent)}.note-lookup__table{width:100%;border-collapse:collapse;font-size:.9rem}.note-lookup__table th,.note-lookup__table td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--color-fret);color:var(--color-text-primary)}.note-lookup__table th{color:var(--color-text-secondary);font-weight:600}.note-lookup__row--dim 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8px;color:var(--color-text-primary)}.stats__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px;font-size:.875rem;color:var(--color-text-primary)}.btn--danger{padding:10px 22px;border-radius:var(--radius-button);font-size:.9rem;font-weight:600;border:none;cursor:pointer;background:#fee2e2;color:#991b1b;align-self:flex-start}.btn--danger:disabled{opacity:.5;cursor:not-allowed}.settings-panel{position:fixed;top:0;right:0;width:min(380px,100vw);height:100dvh;background:var(--color-card-bg);box-shadow:-4px 0 24px #00000026;display:flex;flex-direction:column;z-index:200;overflow-y:auto}.settings-panel__header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 12px;border-bottom:1px solid var(--color-fret)}.settings-panel__header h2{font-size:1.1rem;font-weight:700;margin:0;color:var(--color-text-primary)}.settings-panel__close{background:none;border:none;font-size:1.1rem;cursor:pointer;color:var(--color-text-secondary);padding:4px 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#0003}.settings-modal__text{font-size:.95rem;line-height:1.5;color:var(--color-text-primary);margin:0 0 20px}.settings-modal__btn{padding:10px 28px;border:none;border-radius:var(--radius-button);background:var(--color-accent);color:#fff;font-size:.9rem;font-weight:600;cursor:pointer}.practice-guide{list-style:none;padding:0;margin:0;display:grid;gap:.625rem;text-align:left;max-width:36rem}.practice-guide li{position:relative;padding-left:1.5rem;color:var(--text-2, #5a6875);line-height:1.5;font-size:.9375rem}.practice-guide li:before{content:"→";position:absolute;left:0;color:var(--accent, #2e7d32);font-weight:600}.ftue{max-width:880px;margin:0 auto;padding:40px 24px 56px;display:flex;flex-direction:column;align-items:center;gap:36px}.ftue__hero{text-align:center;padding:32px 28px 28px;width:100%;background:var(--bg-card);border:1px solid color-mix(in oklch,var(--accent) 25%,var(--rule-soft));border-radius:var(--r-lg, 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h2{font-size:2rem;margin:0;font-family:var(--font-display);font-weight:500;letter-spacing:-.015em;font-variation-settings:"opsz" 144}.quiz-view__done p,.quiz-view__empty p,.quiz-view__gate p,.quiz-view__error p{color:var(--ink-mute);margin:0}.quiz-view__error h2{color:var(--bad, #c22)}.quiz-view__nav{display:flex;align-items:center;gap:16px;justify-content:space-between;width:100%;max-width:1080px;margin:8px auto 0;padding:0 8px}.quiz-view__progress{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-mute);letter-spacing:.04em;text-transform:uppercase}.quiz-nav-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:none;border-radius:8px;background:transparent;color:var(--ink-soft);font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;transition:color .15s,background .15s}.quiz-nav-btn:hover:not(:disabled){color:var(--ink);background:var(--bg-card)}.quiz-nav-btn:disabled{opacity:.3;cursor:not-allowed}.quiz-nav-btn__arrow{font-size:1.2rem;font-weight:300;line-height:1}.app-bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;height:66px;padding-bottom:env(safe-area-inset-bottom);background:var(--bg-card);border-top:1px solid var(--rule);z-index:100;box-shadow:0 -4px 18px #0000000f}.app-bottom-nav__tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:none;border:none;cursor:pointer;color:var(--ink-mute);font-family:inherit;position:relative}.app-bottom-nav__tab--active{color:var(--accent)}.app-bottom-nav__tab--active:before{content:"";position:absolute;top:0;left:20%;right:20%;height:2px;background:var(--accent);border-radius:0 0 2px 2px}.app-bottom-nav__icon{font-size:1.15rem}.app-bottom-nav__label{font-size:.68rem;font-weight:600;letter-spacing:.02em}@media(max-width:840px){.app{grid-template-columns:1fr}.app-sidebar{display:none}.app-bottom-nav{display:flex}.app-topbar{padding:12px 16px;min-height:60px}.app-topbar__title{font-size:1.15rem}.app-topbar__title:before{content:"Fret-Fu";display:block;font-family:var(--font-mono);font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-style:normal;margin-bottom:2px}.app-main{padding:18px 14px 80px}}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:199}.btn--sm{padding:5px 12px!important;font-size:.82rem!important}