:root{--bg: #f4f6f9;--card-bg: #ffffff;--text: #1a2233;--muted: #6b7684;--primary: #2f6fed;--primary-dark: #1f54c4;--danger: #e2504a;--border: #e3e7ee;--sidebar-bg: #121a2e;--sidebar-text: #c9d2e3;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif;background:var(--bg);color:var(--text)}h1{font-size:22px;margin:0 0 6px}h2{margin-top:0}.muted{color:var(--muted)}.small{font-size:13px}.center-screen{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px;color:var(--muted)}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#142850,#2f6fed)}.auth-card{background:var(--card-bg);padding:36px;border-radius:14px;width:360px;box-shadow:0 20px 50px #00000040}.auth-card label{display:block;margin:14px 0 6px;font-size:13px;font-weight:600}.auth-card input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);font-size:14px}.auth-card .btn{width:100%;margin-top:20px}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--sidebar-bg);color:var(--sidebar-text);padding:24px 16px;display:flex;flex-direction:column}.brand{font-weight:700;font-size:18px;margin-bottom:4px;color:#fff}.tenant-name{font-size:13px;color:#8793ad;margin-bottom:28px}.nav-link{display:block;padding:10px 12px;border-radius:8px;color:var(--sidebar-text);text-decoration:none;margin-bottom:4px;font-size:14px}.nav-link:hover{background:#ffffff0f}.nav-link.active{background:var(--primary);color:#fff}.logout-btn{margin-top:auto}.content{flex:1;padding:32px 40px;max-width:1240px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px;margin-top:16px}.endpoint-card label{font-size:13px;font-weight:600;display:block;margin-bottom:8px}.endpoint-row{display:flex;gap:10px;align-items:center}.endpoint-url{flex:1;background:#f0f3f9;border:1px solid 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1fr;gap:12px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.confirm-box{margin-top:12px;padding:14px;border:1px solid var(--border);border-radius:8px;background:#fff8f7}.confirm-box .btn{margin-right:8px;margin-top:8px}.sidebar-admin{background:#2a1b3d}.admin-auth-screen{background:linear-gradient(135deg,#2a1b3d,#7b2ff7)}.admin-actions-cell{justify-content:flex-end;flex-wrap:wrap;gap:6px}.checkbox-row{display:flex!important;align-items:center;gap:8px;font-weight:600;font-size:13px}.checkbox-row input{width:auto!important}.modal.import-modal{width:720px;max-width:95vw}.import-tabs{display:flex;gap:8px;margin:4px 0 12px}.import-template-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:8px 0 12px}.modal input.import-file-input{padding:8px;background:#fafbfc;cursor:pointer}.import-preview{margin-top:4px}.alert-warn{background:#fff4dc;color:#8a5a00}.import-errors{max-height:150px;overflow-y:auto;margin:12px 0;padding:10px 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var(--border);border-radius:10px;background:#fff;cursor:pointer;font-size:13px;text-align:left}.dg-tenant span:not(.badge){color:var(--muted)}.dg-tenant:hover{border-color:#c1cbe0}.dg-tenant.active{border-color:#7b2ff7;background:#f6f0ff}.dg-tenant .badge{padding:3px 8px;font-size:11px}.invoice-page .card h2{margin-bottom:8px}.invoice-page h3{margin:22px 0 10px;font-size:16px}.invoice-page label{display:block;margin-bottom:6px;font-size:13px;font-weight:600}.invoice-page input,.invoice-page select{width:100%;min-width:0;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font:inherit;font-size:14px}.invoice-certificate-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,.6fr);gap:14px;align-items:end}.invoice-certificate-form input[type=file]{padding:8px}.invoice-certificate-form .muted{display:block;margin-top:6px}.invoice-certificate-actions{display:flex;flex-wrap:wrap;gap:8px;grid-column:1 / -1}.invoice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.invoice-items-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px}.invoice-items-head h2,.invoice-items-head h3{margin:0}.invoice-item-row{display:grid;grid-template-columns:minmax(180px,1fr) 90px minmax(130px,.7fr) 125px minmax(100px,140px) auto;align-items:center;gap:10px;margin-top:10px}.invoice-product-picker{position:relative;min-width:0}.invoice-product-options{position:absolute;z-index:20;top:calc(100% + 4px);left:0;right:0;max-height:280px;overflow-y:auto;padding:4px;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:0 8px 24px #0f172a29}.invoice-product-option{display:flex;width:100%;justify-content:space-between;align-items:flex-start;gap:12px;padding:9px 10px;border:0;border-radius:6px;background:transparent;color:var(--text);text-align:left;cursor:pointer}.invoice-product-option:hover,.invoice-product-option:focus{background:#f1f5f9;outline:none}.invoice-product-option span{overflow-wrap:anywhere}.invoice-product-option small{flex:0 0 auto;color:var(--muted);text-align:right}.invoice-product-empty{margin:0;padding:12px 10px;color:var(--muted);font-size:13px}.invoice-item-row>span{text-align:right;font-variant-numeric:tabular-nums}.invoice-totals{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:18px;margin-top:18px}.invoice-history{display:grid;gap:10px;margin-top:14px}.invoice-history-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px;border:1px solid var(--border);border-radius:9px}.invoice-history-row .badge{display:inline-block;margin-left:10px}.invoice-history-row p{margin:6px 0 2px}.invoice-badge-warn{background:#fff0d6;color:#875300}.invoice-submit{display:flex;justify-content:flex-end;margin-top:20px}@media (max-width: 900px){.dg-field-row,.dg-cred-summary dl,.invoice-grid,.invoice-certificate-form{grid-template-columns:1fr}.invoice-certificate-actions{grid-column:auto}.invoice-item-row{grid-template-columns:minmax(0,1fr) 90px}.invoice-item-row>span{text-align:left}.invoice-history-row{align-items:flex-start;flex-direction:column}.dg-range-pop,.dg-cal-months{flex-direction:column}.dg-query-go{margin-left:0}}