:root{--color-bg:#f8fafc;--color-surface:#fff;--color-text:#0f172a;--color-text-muted:#64748b;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-border:#e2e8f0;--color-error:#dc2626;--color-error-bg:#fef2f2;--radius-xs:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-card:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--focus-ring:0 0 0 2px #2563eb33}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5}.auth-layout{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 24px;display:flex}.app-header h1{font-size:18px;font-weight:600}.app-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:32px 24px}.auth-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;max-width:420px;box-shadow:var(--shadow-card);padding:32px}.auth-title{text-align:center;margin-bottom:8px;font-size:24px;font-weight:600}.auth-subtitle{color:var(--color-text-muted);text-align:center;margin-bottom:24px;font-size:14px}.form-group{margin-bottom:20px}.form-label{margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-input{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:100%;padding:10px 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--color-primary);box-shadow:var(--focus-ring);outline:none}.form-input::placeholder{color:#94a3b8}.btn{border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;padding:10px 16px;font-size:14px;font-weight:500;transition:background-color .2s,opacity .2s}.btn-primary{background:var(--color-primary);border:1px solid var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{color:var(--color-text-muted);border:1px solid var(--color-border);background:0 0;width:auto}.btn-ghost:hover{background:#f1f5f9}.btn-danger{color:#dc2626}.btn-tiny{border-radius:var(--radius-xs);color:#64748b;background:0 0;border:1px solid #e2e8f0;padding:4px 10px;font-size:11px;font-weight:400}.btn-tiny.active{color:#3b82f6;background:#eff6ff;border-color:#3b82f6;font-weight:600}.btn-md{width:auto;padding:8px 12px}.btn-white{background:#fff}.alert{border-radius:var(--radius-md);margin-bottom:20px;padding:10px 12px;font-size:14px}.alert-error{background:var(--color-error-bg);color:var(--color-error);border:1px solid #fecaca}.admin-table-wrapper{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);-webkit-overflow-scrolling:touch;overflow-x:auto;box-shadow:0 1px 3px #0000000d}.admin-table{border-collapse:collapse;width:100%;min-width:800px;font-size:14px}.admin-table th{text-align:left;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);white-space:nowrap;background:#f8fafc;padding:12px 16px;font-weight:600}.admin-table tr{border-bottom:1px solid var(--color-border)}.admin-table tr.hoverable:hover{cursor:pointer;background-color:#e0e0e057}.admin-table td{vertical-align:middle;padding:12px 16px}.admin-table tr:last-child td{border-bottom:none}.admin-table .actions{text-align:right;justify-content:flex-end;gap:8px;display:flex}.admin-table .role-badge{color:#3730a3;background:#e0e7ff;border-radius:4px;padding:2px 8px;font-size:12px;font-weight:500}.admin-table .select-sm{width:140px;padding:6px 8px;font-size:13px}.admin-table .btn-sm{width:auto;padding:6px 12px;font-size:13px}.admin-table .empty-state{text-align:center;color:var(--color-text-muted);padding:32px}.alert-success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}.status-badge{border:1px solid #0000;border-radius:9999px;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.status-leak{color:#dc2626;background:#fef2f2;border-color:#fecaca}.status-no_leak{color:#16a34a;background:#f0fdf4;border-color:#bbf7d0}.status-error{color:#ca8a04;background:#fffbeb;border-color:#fde68a}.status-pending{color:#64748b;background:#f8fafc;border-color:#e2e8f0}.measurements-header{justify-content:space-between;align-items:center;width:100%;margin-bottom:8px;display:flex}.measurements-nav-wrapper{justify-content:space-between;align-items:center;display:flex}.measurements-nav{justify-content:space-between;align-items:center;gap:8px;display:flex}@media (width<=768px){.measurements-header{flex-direction:column;align-items:flex-start}.measurements-nav{width:100%;margin-bottom:4px}.measurements-nav-wrapper{width:100%}}@media (width<=1200px){.admin-table .actions{min-width:240px}}@media (width<=768px){.admin-table{font-size:13px}.admin-table .actions{min-width:200px}.filters-grid{grid-template-columns:1fr}}:root{--header-height:64px;--color-header-bg:var(--color-surface,#fff);--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--color-hover:#f8fafc;--color-primary:#3b82f6;--color-danger-bg:#fee2e2;--color-danger-text:#dc2626}.app-header{background:var(--color-header-bg);border-bottom:1px solid var(--color-border);height:var(--header-height);z-index:100;justify-content:center;align-items:center;transition:transform .3s;display:flex;position:sticky;top:0}.app-header.hidden{transform:translateY(-100%)}.header-container{justify-content:space-between;align-items:center;width:100%;max-width:1400px;height:100%;padding:0 24px;display:flex}.logo{color:var(--color-text);font-size:20px;font-weight:700;text-decoration:none}.desktop-nav{align-items:center;gap:16px;display:flex}.nav-link{color:var(--color-text);border:1px solid var(--color-border);border-radius:8px;padding:8px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:background .2s,color .2s}.nav-link:hover,.nav-link.active{background:var(--color-hover);color:var(--color-primary)}.user-info,.user-info-mobile{color:var(--color-text-muted);flex-direction:column;align-items:flex-end;gap:2px;font-size:14px;display:flex}.role-badge{color:#3730a3;text-transform:capitalize;background:#e0e7ff;border-radius:4px;padding:2px 8px;font-size:12px;font-weight:600}.logout-btn{border:1px solid var(--color-border);color:var(--color-text-muted);cursor:pointer;background:0 0;border-radius:6px;padding:10px 14px;font-size:14px;transition:all .2s}.logout-btn:hover{background:var(--color-hover);color:var(--color-danger-text);border-color:var(--color-danger-text)}.mobile-controls{align-items:center;gap:12px;display:none}.burger-btn{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:space-between;width:28px;height:20px;padding:0;display:flex;position:relative}.burger-btn span{background:var(--color-text);transform-origin:50%;border-radius:2px;width:100%;height:2px;transition:all .3s;display:block}.burger-btn.open span:first-child{transform:translateY(9px)rotate(45deg)}.burger-btn.open span:nth-child(2){opacity:0;transform:scaleX(0)}.burger-btn.open span:nth-child(3){transform:translateY(-9px)rotate(-45deg)}.mobile-menu{top:var(--header-height);background:var(--color-header-bg);border-bottom:1px solid var(--color-border);flex-direction:column;gap:8px;padding:16px;animation:.2s ease-out slideDown;display:flex;position:absolute;left:0;right:0;box-shadow:0 8px 12px #00000014}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.mobile-link{color:var(--color-text);border-radius:8px;padding:12px;font-weight:500;text-decoration:none;transition:background .2s}.mobile-link:hover,.mobile-link.active{background:var(--color-hover);color:var(--color-primary)}.mobile-logout-btn{background:var(--color-danger-bg);color:var(--color-danger-text);cursor:pointer;border:1px solid #fecaca;border-radius:8px;margin-top:8px;padding:12px;font-weight:600;transition:opacity .2s}.mobile-logout-btn:hover{opacity:.9}@media (width<=1400px){.header-container{padding:0}}@media (width<=767px){.logo{font-size:18px}.desktop-nav{display:none}.mobile-controls{display:flex}.header-container{padding:0}}