:root{--bg-base: #0F172A;--bg-surface: #1E293B;--bg-surface-hover: #273548;--border: #334155;--primary: #1565C0;--primary-hover: #1976D2;--primary-active: #0D47A1;--text-primary: #E2E8F0;--text-secondary: #94A3B8;--text-muted: #64748B;--success: #22C55E;--error: #EF4444;--warning: #F59E0B;--header-height: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app-layout{display:flex;flex-direction:column;min-height:100%}.header{height:var(--header-height);background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:100}.header-brand{display:flex;align-items:center;gap:12px}.header-logo{height:32px;width:auto;display:block}.header-title{font-size:15px;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.header-user{display:flex;align-items:center;gap:12px}.user-name{font-size:13px;color:var(--text-secondary)}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:default;-webkit-user-select:none;user-select:none}.main-content{flex:1;padding:32px 32px 64px;max-width:1200px;width:100%;margin:0 auto}.page-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:18px;font-weight:600;color:var(--text-primary)}.table-wrapper{background:var(--bg-surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.device-table{width:100%;border-collapse:collapse;font-size:13px}.device-table thead{background:var(--bg-base);border-bottom:1px solid var(--border)}.device-table th{padding:12px 16px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.device-table td{padding:12px 16px;color:var(--text-primary);border-bottom:1px solid var(--border)}.device-table tbody tr:last-child td{border-bottom:none}.device-table tbody tr:hover td{background:var(--bg-surface-hover)}.empty-state{text-align:center;padding:64px 16px!important}.empty-state-inner{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--text-muted)}.empty-state-inner svg{opacity:.4}.empty-state-inner p{font-size:15px;font-weight:500;color:var(--text-secondary)}.empty-state-inner span{font-size:13px;color:var(--text-muted)}.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:6px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:active:not(:disabled){background:var(--primary-active)}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border);border-radius:6px;padding:6px 12px;font-size:13px;cursor:pointer;transition:background .15s,color .15s}.btn-ghost:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.btn-microsoft{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 20px;background:#fff;color:#1a1a1a;border:1px solid #d0d0d0;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.btn-microsoft:hover{background:#f5f5f5}.login-page{min-height:100%;display:flex;align-items:center;justify-content:center;background:var(--bg-base);padding:24px}.login-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:48px 40px;width:100%;max-width:380px;display:flex;flex-direction:column;align-items:center;gap:16px;box-shadow:0 8px 32px #0006}.login-logo{height:48px;width:auto;margin-bottom:8px}.login-title{font-size:20px;font-weight:700;color:var(--text-primary);text-align:center}.login-subtitle{font-size:13px;color:var(--text-secondary);text-align:center;line-height:1.5;margin-bottom:8px}.loading-screen{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-secondary);font-size:14px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toolbar-actions{display:flex;align-items:center;gap:8px}.page-subtitle{font-size:12px;color:var(--text-muted);margin-top:2px;display:block}.cell-mono{font-family:Menlo,Consolas,Courier New,monospace;font-size:12px;letter-spacing:.03em}.cell-secondary{color:var(--text-secondary)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:capitalize}.badge-success{background:#22c55e26;color:#4ade80}.badge-warning{background:#f59e0b26;color:#fbbf24}.badge-error{background:#ef444426;color:#f87171}.badge-neutral{background:#64748b33;color:var(--text-muted)}.api-error{display:flex;flex-direction:column;align-items:center;gap:10px;padding:48px 24px;color:var(--error);text-align:center;font-size:13px}.api-error strong{font-size:15px}.api-error span{color:var(--text-secondary);max-width:480px;word-break:break-all}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:10px;width:100%;max-width:420px;box-shadow:0 16px 48px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:16px;font-weight:600;color:var(--text-primary)}.modal-close{background:none;border:none;color:var(--text-muted);font-size:20px;line-height:1;cursor:pointer;padding:2px 6px;border-radius:4px}.modal-close:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.modal-body{padding:24px;display:flex;flex-direction:column;gap:18px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:16px 24px 20px;border-top:1px solid var(--border)}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.required{color:var(--error)}.optional{color:var(--text-muted);font-weight:400;text-transform:none;letter-spacing:0}.field-input{background:var(--bg-base);border:1px solid var(--border);border-radius:6px;padding:9px 12px;color:var(--text-primary);font-size:13px;outline:none;transition:border-color .15s;width:100%}.field-input:focus{border-color:var(--primary)}.field-input--error{border-color:var(--error)}.field-input:disabled{opacity:.5;cursor:not-allowed}.field-error{font-size:12px;color:var(--error)}.toast{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;font-size:13px;font-weight:500;box-shadow:0 4px 16px #0006;animation:slide-in .2s ease}.toast-success{background:#14532d;color:#86efac;border:1px solid #166534}.toast-error{background:#450a0a;color:#fca5a5;border:1px solid #7f1d1d}.toast-close{background:none;border:none;color:inherit;font-size:18px;line-height:1;cursor:pointer;opacity:.7;padding:0 2px}.toast-close:hover{opacity:1}@keyframes slide-in{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}