:root{--surface: #f9f9ff;--surface-card: #ffffff;--surface-soft: #f3f3f9;--text: #191c20;--muted: #424750;--outline: #c2c6d1;--primary: #003461;--secondary: #006c52;--success: #2e7d32;--warning: #ed6c02;--critical: #d32f2f;font-family:Public Sans,system-ui,sans-serif;color:var(--text);background:var(--surface)}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.material-symbols-outlined{font-size:20px;line-height:1;vertical-align:middle}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(140deg,#f9f9ff,#e6f4f1)}.login-panel{width:min(960px,100%);display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;background:var(--surface-card);border:1px solid var(--outline);border-radius:8px;padding:40px}h1,h2,p{margin-top:0}h1{font-size:clamp(28px,4vw,40px);line-height:1.15;letter-spacing:0;color:var(--primary);margin-bottom:8px}h2{font-size:22px;line-height:1.25;letter-spacing:0;margin-bottom:8px}.eyebrow{color:var(--secondary);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase;margin-bottom:8px}.muted{color:var(--muted);line-height:1.55}.error{color:var(--critical);font-weight:700}.form-grid,.settings-card{display:grid;gap:16px}label{display:grid;gap:8px;color:var(--muted);font-weight:700}input,select{width:100%;border:1px solid var(--outline);border-radius:6px;min-height:42px;padding:0 12px;background:#fff;color:var(--text)}.primary-action,.secondary-action,.action-band button{min-height:42px;border-radius:6px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800}.primary-action{background:var(--primary);color:#fff;padding:0 18px}.secondary-action{background:#fff;color:var(--primary);border-color:var(--outline);padding:0 14px}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;height:64px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:0 32px;background:#fff;border-bottom:1px solid var(--outline)}.topbar strong{color:var(--primary);font-size:18px}.topbar nav{display:flex;gap:4px;overflow-x:auto}.topbar nav button,.icon-button{border:0;background:transparent;color:var(--muted);min-height:40px;border-radius:6px;padding:0 10px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.topbar nav button.active{background:#e6f4f1;color:var(--primary);font-weight:800}.workspace{max-width:1280px;margin:0 auto;padding:32px}.page-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.grid{display:grid;gap:24px}.dashboard-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--surface-card);border:1px solid var(--outline);border-radius:8px;padding:24px}.metric-card .material-symbols-outlined{color:var(--primary);font-size:28px;margin-bottom:16px}.chart-card{grid-column:span 2}.chart-card.full{grid-column:auto}.section-title{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.chart-box{height:260px;min-height:260px}.chart-box.large{height:420px}.action-band{background:var(--primary);color:#fff;border-radius:8px;padding:24px;display:grid;align-content:center;gap:12px}.action-band button{background:#fff;color:var(--primary)}.detail-card dl{display:grid;grid-template-columns:180px 1fr;gap:12px}dt{color:var(--muted);font-weight:800}dd{margin:0}.list-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.table-card{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid #e7e8ed}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:0}tfoot th{color:var(--text);font-size:14px;text-transform:none}.status-pill{border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;background:#e7e8ed}.status-pill.paid{background:#e6f4f1;color:var(--success)}.status-pill.open{background:#fff3e6;color:var(--warning)}.inline-controls{display:flex;gap:12px;align-items:center}.row-actions{display:inline-flex;gap:8px;align-items:center;white-space:nowrap}.compact-action{min-height:36px;padding:0 10px}.invoice-detail{display:grid;gap:20px}.invoice-facts{display:grid;grid-template-columns:180px 1fr;gap:12px;margin:0;padding:16px 0;border-top:1px solid #e7e8ed;border-bottom:1px solid #e7e8ed}.invoice-lines{min-width:640px}.status-text{color:var(--muted);font-weight:800;margin:0}.measurement-toolbar{display:grid;gap:14px;margin-bottom:16px}.toolbar-row{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.compact-field{min-width:220px;flex:1 1 220px;gap:6px;font-size:13px}.compact-field.small{min-width:140px;flex:0 1 160px}.segmented-control{min-height:42px;display:inline-flex;align-items:center;padding:3px;border:1px solid var(--outline);border-radius:8px;background:var(--surface-soft)}.segmented-control button{min-width:76px;min-height:34px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-weight:800;padding:0 12px;white-space:nowrap}.segmented-control button.active{background:#fff;color:var(--primary);box-shadow:0 1px 3px #191c2024}.custom-range{display:contents}.toolbar-actions{display:inline-flex;gap:10px;align-items:center}.secondary-action.icon-only{width:42px;padding:0}.measurement-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;color:var(--muted);font-size:13px;font-weight:800}.measurement-meta span{min-height:28px;display:inline-flex;align-items:center;border:1px solid #e7e8ed;border-radius:999px;padding:0 10px;background:#fff}.chart-frame{position:relative}.chart-box.dimmed{opacity:.25}.chart-state{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-weight:800;text-align:center;padding:24px}@media(max-width:900px){.login-panel,.dashboard-grid{grid-template-columns:1fr}.chart-card{grid-column:auto}.topbar{grid-template-columns:1fr auto;height:auto;padding:12px 16px}.topbar nav{grid-column:1 / -1;order:3}.workspace{padding:24px 16px 88px}.page-heading,.section-title,.inline-controls{align-items:stretch;flex-direction:column}.row-actions{display:flex;white-space:normal}.compact-action{flex:1 1 auto}.invoice-facts{grid-template-columns:1fr}.toolbar-row,.toolbar-actions,.segmented-control{width:100%}.segmented-control button{flex:1 1 0;min-width:0}.compact-field,.compact-field.small{min-width:0;flex-basis:100%}.detail-card dl{grid-template-columns:1fr}}