.login-page{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{text-align:center;background:#fff;border-radius:16px;width:90%;max-width:400px;padding:48px;box-shadow:0 20px 60px #0000004d}.login-card h1{color:#1a1a2e;margin-bottom:8px;font-size:28px}.subtitle{color:#666;margin-bottom:32px;font-size:16px}.google-login-btn{color:#333;cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:8px;justify-content:center;align-items:center;gap:12px;width:100%;padding:14px 24px;font-size:16px;font-weight:500;transition:all .2s;display:flex}.google-login-btn:hover{background:#f8f9fa;border-color:#ccc;box-shadow:0 2px 8px #0000001a}.google-icon{width:20px;height:20px}.login-footer{color:#999;margin-top:24px;font-size:12px}*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background:#0f0f23;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.app{flex-direction:column;height:100vh;display:flex}.app-header{color:#fff;background:#1a1a2e;border-bottom:1px solid #16213e;justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:flex}.app-header h1{font-size:20px;font-weight:600}.app-header nav{align-items:center;gap:20px;display:flex}.user-info{align-items:center;gap:8px;font-size:14px;display:flex}.user-avatar{border:2px solid #e94560;border-radius:50%;width:32px;height:32px}.nav-btn{color:#fff;cursor:pointer;background:#0f3460;border:none;border-radius:4px;padding:8px 16px;font-size:14px;transition:background .2s}.nav-btn:hover{background:#16213e}.nav-btn.logout{background:#e94560}.nav-btn.logout:hover{background:#c23a51}.app-main{flex:1;overflow:hidden}.loading-screen{color:#fff;background:#1a1a2e;flex-direction:column;justify-content:center;align-items:center;height:100vh;display:flex}.spinner{border:4px solid #16213e;border-top-color:#e94560;border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.dashboard{height:calc(100vh - 60px);display:flex}.dashboard-sidebar{background:#1a1a2e;flex-direction:column;gap:4px;width:200px;padding:20px 0;display:flex}.dashboard-sidebar button{color:#fff;text-align:left;cursor:pointer;background:0 0;border:none;padding:12px 20px;font-size:14px;transition:background .2s}.dashboard-sidebar button:hover{background:#16213e}.dashboard-sidebar button.active{background:#0f3460;border-left:3px solid #e94560}.dashboard-content{background:#f5f5f5;flex:1;padding:20px;overflow:auto}.placeholder{color:#666;justify-content:center;align-items:center;height:100%;font-size:18px;display:flex}.integration-iframe{border:none;border-radius:8px;width:100%;height:100%}.tag-analysis{background:#fff;border-radius:8px;height:100%;padding:20px}.tag-analysis h2{color:#1a1a2e;margin-bottom:20px}.tag-selector{margin-bottom:20px}.tag-selector label{margin-bottom:8px;font-weight:500;display:block}.tag-selector select{border:1px solid #ddd;border-radius:4px;min-width:200px;padding:8px 12px;font-size:14px}.correlation-section{margin-top:20px}.correlation-section h3{color:#333;margin-bottom:15px}.correlation-matrix{max-height:600px;overflow:auto}.correlation-matrix table{border-collapse:collapse;font-size:12px}.correlation-matrix th,.correlation-matrix td{text-align:center;border:1px solid #ddd;padding:8px 12px}.correlation-matrix th{background:#f5f5f5;font-weight:600;position:sticky;top:0}.correlation-matrix td{min-width:60px}