:root{--bg-primary: #0d0d0f;--bg-secondary: #16161a;--bg-tertiary: #1e1e24;--bg-card: #1a1a20;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent: #22d3ee;--accent-hover: #06b6d4;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--border: #27272a;--border-hover: #3f3f46}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}#root{min-height:100vh}.app{max-width:900px;margin:0 auto;padding:2rem 1rem}.header{text-align:center;margin-bottom:3rem}.logo{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1rem}.logo-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--accent),#0891b2);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}.logo h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--text-primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-secondary);font-size:1.1rem}.search-box{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.5rem;margin-bottom:2rem}.search-input-group{display:flex;gap:.75rem}.search-input{flex:1;background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem;font-size:1rem;color:var(--text-primary);transition:border-color .2s}.search-input:focus{outline:none;border-color:var(--accent)}.search-input::placeholder{color:var(--text-muted)}.analyze-btn{background:var(--accent);color:var(--bg-primary);border:none;border-radius:10px;padding:1rem 2rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap}.analyze-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}.analyze-btn:disabled{opacity:.6;cursor:not-allowed}.loading{display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--text-secondary);padding:2rem}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.results{display:flex;flex-direction:column;gap:1.5rem}.score-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:2rem;text-align:center}.score-circle{width:160px;height:160px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;position:relative}.score-circle:before{content:"";position:absolute;inset:0;border-radius:50%;padding:8px;background:conic-gradient(var(--score-color) var(--score-percent),var(--border) 0);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.score-value{font-size:3.5rem;font-weight:700;color:var(--score-color)}.score-label{font-size:1.25rem;color:var(--text-secondary)}.grade-excellent{--score-color: var(--success);--score-percent: 100%}.grade-good{--score-color: #84cc16;--score-percent: 80%}.grade-average{--score-color: var(--warning);--score-percent: 60%}.grade-poor{--score-color: var(--error);--score-percent: 40%}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.detail-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.detail-card h3{display:flex;align-items:center;gap:.5rem;font-size:1rem;margin-bottom:1rem;color:var(--text-secondary)}.detail-card h3 .icon{font-size:1.25rem}.status-item{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid var(--border)}.status-item:last-child{border-bottom:none}.status-label{color:var(--text-secondary);font-size:.9rem}.status-value{display:flex;align-items:center;gap:.5rem;font-weight:500}.status-pass{color:var(--success)}.status-fail{color:var(--error)}.status-warn{color:var(--warning)}.keywords-section{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.keywords-section h3{margin-bottom:1rem;color:var(--text-secondary)}.keywords-list{display:flex;flex-wrap:wrap;gap:.5rem}.keyword-tag{background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;padding:.4rem .8rem;font-size:.85rem;color:var(--text-secondary)}.keyword-tag.primary{background:#22d3ee26;border-color:var(--accent);color:var(--accent)}.footer{text-align:center;margin-top:3rem;padding:2rem;color:var(--text-muted);font-size:.85rem}.footer a{color:var(--accent);text-decoration:none}.error-message{background:#ef44441a;border:1px solid var(--error);border-radius:10px;padding:1rem;color:var(--error);text-align:center}@media(max-width:640px){.logo h1{font-size:2rem}.search-input-group{flex-direction:column}.analyze-btn{width:100%}.score-circle{width:120px;height:120px}.score-value{font-size:2.5rem}}