*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#333;line-height:1.6}.container{max-width:900px;margin:0 auto;padding:40px 20px}.header{text-align:center;color:#fff;margin-bottom:50px}.header h1{font-size:48px;font-weight:700;margin-bottom:10px;text-shadow:2px 2px 8px rgba(0,0,0,.3);letter-spacing:-.5px}.header p{font-size:18px;opacity:1;color:#e8eaf6}.search-section{background:#fff;padding:30px;border-radius:16px;box-shadow:0 10px 40px #00000026;margin-bottom:30px}.input-wrapper{display:flex;gap:12px;flex-wrap:wrap}.topic-input{flex:1;min-width:250px;padding:16px 20px;font-size:16px;border:2px solid #e0e0e0;border-radius:12px;outline:none;transition:all .3s ease;color:#1a1a2e;background:#fff}.topic-input:focus{border-color:#1976d2;box-shadow:0 0 0 4px #1976d226}.generate-btn{padding:16px 32px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,#1976d2,#1565c0);border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;white-space:nowrap}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #1976d280;background:linear-gradient(135deg,#1565c0,#0d47a1)}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.loader{margin-top:20px;text-align:center}.loader:after{content:"";display:inline-block;width:40px;height:40px;border:4px solid #e3f2fd;border-top:4px solid #1976d2;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hidden{display:none}.results{background:#fff;padding:30px;border-radius:16px;box-shadow:0 10px 40px #00000026;margin-bottom:30px;animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.results h2{font-size:28px;margin-bottom:24px;color:#1a1a2e;font-weight:700}.keywords-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.keyword-card{background:linear-gradient(135deg,#1976d2,#1565c0);padding:24px;border-radius:12px;color:#fff;transition:all .3s ease;cursor:default;display:flex;flex-direction:column;gap:14px;border:2px solid transparent}.keyword-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px #1976d266;border-color:#ffffff4d}.keyword-main{display:flex;justify-content:space-between;align-items:center;gap:12px}.keyword-text{font-weight:700;font-size:17px;line-height:1.4;flex:1}.keyword-score{background:#fffffff2;color:#1565c0;padding:8px 16px;border-radius:24px;font-size:15px;font-weight:800;white-space:nowrap;box-shadow:0 2px 8px #00000026}.keyword-metrics{display:flex;gap:20px;font-size:14px;padding-top:12px;border-top:2px solid rgba(255,255,255,.25)}.metric{display:flex;flex-direction:column;gap:4px;flex:1}.metric-label{opacity:.9;font-size:12px;text-transform:uppercase;letter-spacing:.5px;font-weight:500}.metric-value{font-weight:800;font-size:15px}.competition-high{color:#ffd54f;text-shadow:0 1px 2px rgba(0,0,0,.2)}.competition-medium{color:#81c784;text-shadow:0 1px 2px rgba(0,0,0,.2)}.competition-low{color:#a5d6a7;text-shadow:0 1px 2px rgba(0,0,0,.2)}.error{color:#e74c3c;text-align:center;padding:20px}.history{background:#fff;padding:30px;border-radius:16px;box-shadow:0 10px 40px #00000026}.history h3{font-size:22px;margin-bottom:20px;color:#1a1a2e;font-weight:700}.history-list{display:flex;flex-direction:column;gap:12px}.history-item{display:flex;justify-content:space-between;align-items:center;padding:18px;background:#f5f7fa;border-radius:10px;transition:all .3s ease;cursor:pointer;border:2px solid transparent}.history-item:hover{background:#e3f2fd;transform:translate(6px);box-shadow:0 4px 12px #1976d233;border-color:#bbdefb}.history-topic{font-weight:700;color:#1565c0;font-size:15px}.history-date{font-size:13px;color:#546e7a;font-weight:500}.no-history{text-align:center;color:#78909c;padding:20px;font-weight:500}.combinations-section,.related-section{margin-top:40px}.combinations-section h3,.related-section h3{font-size:22px;margin-bottom:18px;color:#1a1a2e;font-weight:700}.combinations-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.combination-card{background:#fff;padding:22px;border-radius:12px;border:2px solid #e0e0e0;transition:all .3s ease;cursor:default;box-shadow:0 2px 4px #0000000d}.combination-card:hover{border-color:#1976d2;transform:translateY(-3px);box-shadow:0 8px 20px #1976d233;background:#e3f2fd}.combination-text{font-weight:700;color:#1a1a2e;margin-bottom:10px;font-size:15px;line-height:1.5}.combination-meta{display:flex;justify-content:flex-end}.combination-score{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;padding:6px 14px;border-radius:16px;font-size:13px;font-weight:800;box-shadow:0 2px 6px #1976d24d}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.related-card{background:#fff;padding:18px;border-radius:10px;border:2px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:all .3s ease;cursor:pointer;box-shadow:0 2px 4px #0000000d}.related-card:hover{background:#e3f2fd;border-color:#1976d2;transform:translateY(-3px);box-shadow:0 6px 16px #1976d240}.related-text{font-weight:700;color:#1565c0;font-size:15px;flex:1}.related-score{background:#e3f2fd;color:#0d47a1;padding:6px 12px;border-radius:16px;font-size:13px;font-weight:800;white-space:nowrap;border:1px solid #bbdefb}@media (max-width: 640px){.header h1{font-size:32px}.input-wrapper{flex-direction:column}.topic-input,.generate-btn{width:100%}.keywords-list{grid-template-columns:1fr}.history-item{flex-direction:column;align-items:flex-start;gap:8px}.combinations-list,.related-list{grid-template-columns:1fr}.keyword-metrics{flex-direction:column;gap:8px}}