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select{flex:1;min-width:0}@media (width<=1180px){.layout{grid-template-columns:262px minmax(0,1fr) 300px}}@media (width<=1020px){.layout{grid-template-columns:232px minmax(0,1fr) 276px}.topbar__hint{display:none}}@media (width<=880px){.tabbar{grid-template-columns:repeat(3,1fr);display:grid}.layout{padding:8px calc(8px + env(safe-area-inset-right)) 8px calc(8px + env(safe-area-inset-left));grid-template-columns:minmax(0,1fr);gap:0}.layout>*{display:none}.layout[data-tab=library] .panel--library,.layout[data-tab=study] .panel--study,.layout[data-tab=tree] .stage{display:flex}.topbar{gap:14px}.topbar__stats{gap:12px;margin-left:auto;font-size:11px}.panel{border-radius:16px;padding:12px}.btn{padding:11px 15px;font-size:14px}.btn--sm{padding:8px 12px}.study__nav{display:none}.panel--study{touch-action:pan-y}.study__edit,.study__head-actions .add-node-btn{width:42px;height:42px;font-size:23px}.study__swipe{place-items:center;display:grid}.card{padding-left:32px;padding-right:32px}.recall{gap:8px}.recall__btn{min-height:48px}.recall__btn svg{width:28px;height:28px}.assoc__option{padding:15px 14px 15px 42px}.assoc__either{min-height:48px;padding:12px 14px 12px 42px}.links li input[type=range]{height:8px}.links li input[type=range]::-webkit-slider-thumb{width:22px;height:22px}.node-item{padding:12px 8px}.icon-btn{width:36px;height:36px;font-size:16px}.card__front{font-size:24px}.graph__controls button{min-width:38px;height:36px}.trail{padding:8px 10px}.trail__item{padding:7px 12px;font-size:12px}.graph__legend{display:none}.modal{place-items:end stretch;padding:0}.modal__panel{width:100%;max-height:92dvh;padding:18px 18px calc(18px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0}.field-row{grid-template-columns:1fr}}@media (hover:none){.btn--reveal kbd,.study__nav{display:none}.panel--study{touch-action:pan-y}.study__edit,.study__head-actions .add-node-btn{width:42px;height:42px;font-size:23px}.study__swipe{place-items:center;display:grid}.card{padding-left:32px;padding-right:32px}}.tabbar{padding:6px calc(8px + env(safe-area-inset-left)) calc(6px + env(safe-area-inset-bottom)) calc(8px + env(safe-area-inset-right));border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#090b14d1;flex:none;align-items:stretch;gap:4px}.tabbar__btn{color:var(--muted);letter-spacing:.02em;background:0 0;border:none;border-radius:11px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:7px 4px;font-size:10.5px;font-weight:500;display:flex}.tabbar__btn svg{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:21px;height:21px}.tabbar__btn--on{background:var(--accent-soft);color:#cfdcff}