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rgba(168,68,46,.18),0 4px 14px rgba(168,68,46,.1)!important}.match-card-correct{border-color:var(--pass-green)!important;border-left-color:var(--pass-green)!important;background-color:var(--pass-green-soft)!important;color:var(--pass-green)!important;box-shadow:0 0 0 2px rgba(63,125,92,.14)!important;animation:matchPop .35s var(--ease-spring)}.match-card-wrong{border-color:var(--rule-red)!important;background-color:var(--rule-red-soft)!important;color:var(--rule-red)!important;animation:shake .4s ease}.match-card-dragover{border-color:var(--rule-red)!important;border-style:dashed!important;background:linear-gradient(to right,rgba(168,68,46,.06) 0,var(--surface) 100%)!important;transform:scale(1.02)}@keyframes matchPop{0%{transform:scale(.95)}50%{transform:scale(1.04)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}.mcq-option{transition:background-color .12s ease,border-color .12s ease,box-shadow .12s ease,transform .1s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.mcq-option:not(:disabled):hover{background-color:var(--paper-subtle)!important;border-color:var(--ink-faint)!important}.mcq-option:not(:disabled):active{transform:scale(.98);background-color:var(--paper-subtle)!important}.option-shake{animation:shake .4s ease-in-out!important}.option-pop{animation:matchPop .3s cubic-bezier(.175,.885,.32,1.275)!important}.feedback-banner{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:500;animation:slideUp .25s var(--ease-spring)}.feedback-correct{background:var(--pass-green-soft);color:var(--pass-green)}.feedback-wrong{background:var(--rule-red-soft);color:var(--rule-red)}.streak-display{display:inline-flex;align-items:center;gap:var(--space-2);font-weight:700;font-size:var(--text-lg)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:680px;height:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));padding-bottom:env(safe-area-inset-bottom,0);backdrop-filter:blur(20px) saturate(1.6);-webkit-backdrop-filter:blur(20px) saturate(1.6);box-shadow:0 -8px 32px rgba(38,49,43,.1);display:flex;align-items:center;justify-content:space-around;z-index:100;box-sizing:border-box}.bottom-nav,[data-theme=dark] .bottom-nav{background:var(--glass-bg-strong);border-top:1px solid var(--glass-border)}[data-theme=dark] .bottom-nav{box-shadow:0 -8px 32px rgba(0,0,0,.4)}.lesson-mode .bottom-nav,body:has(.exercise-feedback-drawer) 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