:root{--rf-primary:#6366f1;--rf-primary-light:#818cf8;--rf-primary-dark:#4f46e5;--rf-primary-bg:#6366f114;--rf-bg:#fff;--rf-bg-secondary:#f8fafc;--rf-bg-tertiary:#f1f5f9;--rf-text:#0f172a;--rf-text-secondary:#475569;--rf-text-muted:#64748b;--rf-text-placeholder:#94a3b8;--rf-border:#e2e8f0;--rf-border-light:#f1f5f9;--rf-shadow-sm:0 1px 2px #0000000a;--rf-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--rf-shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a;--rf-shadow-focus:0 0 0 3px #6366f126;--rf-radius:1rem;--rf-radius-md:.75rem;--rf-radius-sm:.5rem;--rf-radius-xs:.375rem;--rf-perfect:#10b981;--rf-perfect-bg:#10b9811a;--rf-near:#f59e0b;--rf-near-bg:#f59e0b1a;--rf-slant:#8b5cf6;--rf-slant-bg:#8b5cf61a;--rf-error:#ef4444;--rf-error-bg:#ef44441a}._rf-container{flex-direction:column;gap:1.5rem;width:100%;max-width:800px;margin:0 auto;display:flex}@media (max-width:768px){._rf-container{gap:1rem;padding-left:1rem;padding-right:1rem}}._rf-search{position:relative}._rf-search-box{background:var(--rf-bg);border-radius:var(--rf-radius);border-style:solid;border-width:1px;border-color:var(--rf-border);box-shadow:var(--rf-shadow);transition:border-color .2s,box-shadow .2s;overflow:hidden}._rf-search-box:focus-within{border-color:var(--rf-primary);box-shadow:var(--rf-shadow-focus)}._rf-search-input-wrapper{align-items:center;gap:.75rem;padding:.875rem 1.25rem;display:flex}._rf-search-input-wrapper svg{color:var(--rf-text-muted);flex-shrink:0}._rf-input{color:var(--rf-text);background:0 0;border-style:none;border-width:0;outline:none;flex:1;font-family:inherit;font-size:1.0625rem;line-height:1.5}._rf-input::placeholder{color:var(--rf-text-placeholder)}._rf-clear-btn{background:var(--rf-bg-tertiary);border-radius:var(--rf-radius-xs);width:1.75rem;height:1.75rem;color:var(--rf-text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border-style:none;border-width:0;flex-shrink:0;justify-content:center;align-items:center;transition:background .15s,color .15s;display:none}._rf-clear-btn.active{display:flex}._rf-clear-btn:hover{background:var(--rf-error-bg);color:var(--rf-error)}._rf-suggestions{z-index:10;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:var(--rf-bg);border-style:solid;border-width:1px;border-color:var(--rf-border);border-radius:var(--rf-radius-md);max-height:16rem;box-shadow:var(--rf-shadow-md);flex-wrap:wrap;gap:.375rem;margin-top:.25rem;padding:.5rem;display:none;position:absolute;top:100%;left:0;right:0;overflow-y:auto}._rf-suggestions.active{display:flex}._rf-suggestion{background:var(--rf-bg-tertiary);border-radius:var(--rf-radius-xs);color:var(--rf-text-secondary);cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border-style:none;border-width:0;align-items:center;padding:.3125rem .75rem;font-family:inherit;font-size:.8125rem;transition:background .15s,color .15s;display:inline-flex}._rf-suggestion:hover{background:var(--rf-primary-bg);color:var(--rf-primary)}@media (max-width:768px){._rf-search-input-wrapper{padding:.75rem 1rem}._rf-input{font-size:1rem}._rf-suggestions{max-height:12rem}._rf-suggestion{padding:.5rem .75rem;font-size:.875rem}}._rf-results{min-height:200px}._rf-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:200px;padding:3rem 1.5rem;display:none}._rf-state.active{display:flex}._rf-empty-icon{color:var(--rf-primary);opacity:.3;margin-bottom:1rem}._rf-empty-text{color:var(--rf-text-muted);margin:0;font-size:.9375rem}._rf-no-results p{color:var(--rf-text-secondary);margin:0;font-size:.9375rem}._rf-no-results ._rf-no-results-hint{color:var(--rf-text-muted);margin-top:.25rem;font-size:.8125rem}._rf-sections{flex-direction:column;gap:1rem;display:none}._rf-sections.active{display:flex}._rf-section{background:var(--rf-bg);border-radius:var(--rf-radius);border-style:solid;border-width:1px;border-color:var(--rf-border);box-shadow:var(--rf-shadow);overflow:hidden}._rf-section--hidden{display:none}._rf-section-header{border-bottom-style:solid;border-bottom-width:1px;border-bottom-color:var(--rf-border-light);background:var(--rf-bg-secondary);justify-content:space-between;align-items:center;padding:.875rem 1.25rem;display:flex}._rf-section-title{color:var(--rf-text);align-items:center;gap:.5rem;margin:0;font-size:.875rem;font-weight:600;display:flex}._rf-badge{border-radius:50%;width:.5rem;height:.5rem;display:inline-block}._rf-badge--perfect{background:var(--rf-perfect)}._rf-badge--near{background:var(--rf-near)}._rf-badge--slant{background:var(--rf-slant)}._rf-section-count{color:var(--rf-text-muted);background:var(--rf-bg-tertiary);border-radius:var(--rf-radius-xs);padding:.125rem .5rem;font-size:.75rem;font-weight:600}._rf-word-grid{flex-wrap:wrap;gap:.5rem;min-height:100px;padding:1rem 1.25rem;display:flex}._rf-word{background:var(--rf-bg-secondary);border-style:solid;border-width:1px;border-color:var(--rf-border);border-radius:var(--rf-radius-sm);color:var(--rf-text);cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;overflow-wrap:anywhere;word-break:break-word;align-items:center;gap:.375rem;max-width:100%;padding:.375rem .75rem;font-family:inherit;font-size:.875rem;transition:background .15s,border-color .15s,color .15s;display:inline-flex}._rf-word:hover{background:var(--rf-primary-bg);border-color:var(--rf-primary-light);color:var(--rf-primary-dark)}._rf-word-syl{color:var(--rf-text-muted);background:var(--rf-bg-tertiary);border-radius:var(--rf-radius-xs);padding:.0625rem .375rem;font-size:.6875rem;font-weight:500;line-height:1.4}@media (max-width:768px){._rf-state{min-height:160px;padding:2rem 1rem}._rf-section-header{padding:.75rem 1rem}._rf-word-grid{gap:.5rem;padding:.75rem 1rem}._rf-word{padding:.5rem .75rem;font-size:.875rem}}