.card{border-radius:20px;padding:20px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #0000001a}.card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a,0 8px 16px #0000001a}.section-title{font-size:1.75rem;font-weight:700;color:#1e293b}.section-title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.section-add-icon{width:36px;height:36px;color:#1e293b;cursor:pointer;transition:opacity .2s}.section-add-icon:hover{opacity:.6}.spacer{height:20px}.highlight-card{border:none;padding:4px 12px;border-radius:10px;display:inline-block;margin:7px 0;font-weight:700;transition:all .3s ease}.highlight-card:hover{box-shadow:0 12px 24px #00000026,0 45px 45px #0000001a,inset 0 0 0 1px #0000001a;transform:scale(1.05)}.highlight-card--untouched{background:#e2e8f0;color:#718096}.highlight-card--beginner{background:linear-gradient(135deg,#ffebce,#ff856f)}.highlight-card--intermediate{background:linear-gradient(135deg,#fdff88,#ffa85b)}.highlight-card--proficient{background:linear-gradient(135deg,#ccffe7,#89c6ff)}.highlight-card--mastered{background:linear-gradient(135deg,#fec0ff,#5effac)}.loading-state,.error-state{padding:40px;text-align:center;color:#718096}@keyframes shimmer{0%{background-position:-468px 0}to{background-position:468px 0}}.skeleton-container{margin-top:15px;margin-bottom:15px;display:flex;flex-direction:column;gap:10px}.skeleton-line{height:1.1rem;background:#f6f7f8;background-image:linear-gradient(to right,#f6f7f8,#edeef1,#f6f7f8 40%,#f6f7f8);background-repeat:no-repeat;background-size:800px 104px;display:inline-block;position:relative;animation:shimmer 1.5s infinite 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