*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #1a73e8;--color-primary-dark: #1557b0;--color-surface: #ffffff;--color-background: #f8f9fa;--color-border: #e0e0e0;--color-text-primary: #202124;--color-text-secondary: #5f6368;--color-text-muted: #80868b;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .18);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background:var(--color-background);color:var(--color-text-primary);line-height:1.5}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}.app-header{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}.header-brand{display:flex;align-items:center;gap:12px}.header-icon{font-size:24px}.header-title{font-size:20px;font-weight:600;color:#fff}.header-user{display:flex;align-items:center;gap:16px}.header-username{font-size:14px;color:#ffffffe6}.sign-out-button{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.4);padding:6px 16px;border-radius:var(--radius-sm);font-size:14px;cursor:pointer;transition:background .2s}.sign-out-button:hover{background:#ffffff40}.sign-in-container{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--color-background)}.sign-in-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:48px 40px;text-align:center;max-width:400px;width:90%}.sign-in-icon{font-size:56px;margin-bottom:16px}.sign-in-title{font-size:28px;font-weight:700;color:var(--color-text-primary);margin-bottom:12px}.sign-in-subtitle{color:var(--color-text-secondary);font-size:15px;margin-bottom:32px;line-height:1.6}.sign-in-button{background:var(--color-primary);color:#fff;border:none;padding:14px 32px;border-radius:var(--radius-sm);font-size:15px;font-weight:500;cursor:pointer;width:100%;transition:background .2s,transform .1s}.sign-in-button:hover{background:var(--color-primary-dark)}.sign-in-button:active{transform:scale(.98)}.directory-container{max-width:1200px;margin:0 auto;padding:32px 24px}.directory-header{margin-bottom:24px}.directory-title{font-size:28px;font-weight:700;color:var(--color-text-primary)}.directory-subtitle{color:var(--color-text-secondary);margin-top:4px}.search-container{position:relative;margin-bottom:24px}.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);font-size:16px;pointer-events:none}.search-input{width:100%;padding:12px 44px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:15px;background:var(--color-surface);transition:border-color .2s,box-shadow .2s}.search-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #1a73e81f}.search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--color-text-muted);font-size:14px;padding:4px 8px;border-radius:4px}.search-clear:hover{color:var(--color-text-secondary)}.results-count{font-size:13px;color:var(--color-text-muted);margin-bottom:16px}.employee-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.employee-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px;display:flex;align-items:flex-start;gap:16px;cursor:pointer;transition:box-shadow .2s,transform .2s;text-align:left;width:100%}.employee-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.employee-avatar{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#fff;flex-shrink:0}.employee-info{flex:1;min-width:0}.employee-name{font-size:15px;font-weight:600;color:var(--color-text-primary);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.employee-title{font-size:13px;color:var(--color-text-secondary);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.employee-department{display:inline-block;background:#e8f0fe;color:var(--color-primary);font-size:11px;font-weight:600;padding:2px 8px;border-radius:12px;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.employee-email{font-size:12px;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.no-results{text-align:center;padding:48px 16px;color:var(--color-text-secondary)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal-content{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:480px;width:100%;padding:32px;position:relative;max-height:90vh;overflow-y:auto}.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:18px;cursor:pointer;color:var(--color-text-muted);padding:4px 8px;border-radius:4px}.modal-close:hover{color:var(--color-text-primary);background:var(--color-background)}.detail-header{display:flex;align-items:center;gap:20px;margin-bottom:28px}.detail-avatar{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff;flex-shrink:0}.detail-name{font-size:22px;font-weight:700;margin-bottom:4px}.detail-title{font-size:14px;color:var(--color-text-secondary);margin-bottom:8px}.detail-department{display:inline-block;background:#e8f0fe;color:var(--color-primary);font-size:12px;font-weight:600;padding:3px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.04em}.detail-body{display:flex;flex-direction:column;gap:16px}.detail-row{display:flex;flex-direction:column;gap:2px;border-bottom:1px solid var(--color-border);padding-bottom:14px}.detail-row:last-child{border-bottom:none;padding-bottom:0}.detail-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}.detail-value{font-size:15px;color:var(--color-text-primary)}.detail-link{color:var(--color-primary);text-decoration:none}.detail-link:hover{text-decoration:underline}@media (max-width: 600px){.header-content{padding:0 16px}.directory-container{padding:20px 16px}.employee-grid{grid-template-columns:1fr}.modal-content{padding:24px 20px}.detail-header{flex-direction:column;text-align:center}}