.anki-card-container{perspective:1200px;cursor:pointer;width:100%;max-width:420px;height:480px;margin:0 auto}.anki-card-inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.anki-card-container.flipped .anki-card-inner{transform:rotateY(180deg)}.anki-card-face{backface-visibility:hidden;pointer-events:none;border:1px solid #e2e8f0;border-radius:16px;flex-direction:column;width:100%;height:100%;padding:24px;display:flex;position:absolute;overflow-y:auto;box-shadow:0 8px 24px #0f172a1a}.anki-card-front{z-index:2;pointer-events:auto;background:linear-gradient(145deg,#fff 0%,#f4f8fd 100%)}.anki-card-back{z-index:1;background:linear-gradient(145deg,#f4f8fd 0%,#fff 100%);transform:rotateY(180deg)}.anki-card-container.flipped .anki-card-front{z-index:1;pointer-events:none}.anki-card-container.flipped .anki-card-back{z-index:2;pointer-events:auto}.sim-badge-container{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.sim-card-type-badge{color:#14284a;background-color:#14284a1a;border:1px solid #14284a40;border-radius:20px;padding:3px 10px;font-size:11px;font-weight:700}.sim-card-type-badge.multiple{color:#f59e0b;background-color:#f59e0b1f;border-color:#f59e0b4d}.sim-card-tag{color:#94a3b8;font-size:11px;font-weight:600}.sim-question{color:#1e293b;text-align:left;margin-bottom:25px;font-size:18px;font-weight:600}.sim-options-list{flex-direction:column;flex-grow:1;gap:12px;display:flex}.sim-option-btn{color:#1e293b;text-align:left;cursor:pointer;background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;align-items:center;width:100%;padding:12px 16px;font-size:14px;transition:all .2s;display:flex}.sim-option-prefix{color:#64748b;background-color:#f1f5f9;border:1px solid #e2e8f0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;margin-right:12px;font-size:12px;font-weight:700;transition:all .2s;display:flex}.anki-card-front .sim-option-btn:hover{background-color:#eef4fb;border-color:#c7d2e0}.anki-card-front .sim-option-btn.selected{background-color:#14284a1f;border-color:#14284a;box-shadow:0 0 0 3px #14284a1f}.anki-card-front .sim-option-btn.selected .sim-option-prefix{color:#fff;background-color:#14284a;border-color:#14284a}.anki-card-back .sim-option-btn{cursor:default}.anki-card-back .sim-option-btn.correct{background-color:#16a34a1a;border-color:#16a34a;font-weight:500}.anki-card-back .sim-option-btn.correct .sim-option-prefix{color:#fff;background-color:#16a34a;border-color:#16a34a}.anki-card-back .sim-option-btn.wrong{opacity:.6;background-color:#dc262614;border-color:#dc2626}.anki-card-back .sim-option-btn.wrong .sim-option-prefix{color:#fff;background-color:#dc2626;border-color:#dc2626}.anki-card-back .sim-option-btn.unselected{opacity:.5}.sim-tip{text-align:center;color:#94a3b8;margin-top:15px;font-size:11px}.sim-divider{background-color:#e2e8f0;border:0;height:1px;margin:15px 0}.sim-answer-box{text-align:left;background-color:#f1f5f9;border:1px dashed #e2e8f0;border-radius:8px;margin-bottom:12px;padding:10px 15px;font-size:14px}.sim-correct-ans{color:#16a34a;font-weight:700}.sim-explanation{text-align:left;background-color:#f1f5f9;border-left:3px solid #e2e8f0;border-radius:0 6px 6px 0;padding:12px}.sim-explanation-title{color:#64748b;margin-bottom:4px;font-size:12px;font-weight:700}.sim-explanation-content{color:#64748b;font-size:12px}.sim-explanation.sim-exp-correct{background-color:#16a34a1f;border-left-color:#16a34a}.sim-explanation.sim-exp-correct .sim-explanation-title{color:#15803d}.sim-explanation.sim-exp-wrong{background-color:#dc26261f;border-left-color:#dc2626}.sim-explanation.sim-exp-wrong .sim-explanation-title{color:#b91c1c}.cloze-blank{color:#94a3b8;background-color:#f1f5f9;border:1px dashed #cbd5e1;border-radius:4px;padding:0 6px;font-weight:700;display:inline-block}.cloze-answer{color:#14284a;text-underline-offset:3px;font-weight:700;-webkit-text-decoration:underline #3b6fc4;text-decoration:underline #3b6fc4}