:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--bg: #eef4f7;--ink: #13232e;--muted: #647684;--panel: #ffffff;--line: #d9e4ea;--teal: #0f766e;--blue: #2563eb;--amber: #b7791f;--danger: #b42318;--shadow: 0 14px 32px rgba(31, 53, 66, .11)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:272px minmax(0,1fr)}.sidebar{background:#102733;color:#f6fbfd;padding:24px 18px;display:flex;flex-direction:column;gap:26px}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:8px;display:grid;place-items:center;background:#d7f4ef;color:var(--teal)}.brand strong,.brand span{display:block}.brand span,.source-card span,.source-card small{color:#a9bdc8;font-size:.82rem}nav{display:grid;gap:7px}.nav-item{border:0;border-radius:8px;background:transparent;color:#c8d8de;display:flex;align-items:center;gap:10px;padding:11px 12px;text-align:left;text-decoration:none;cursor:pointer}.nav-item.active{background:#1f4652;color:#fff}.source-card{margin-top:auto;border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:14px;display:grid;gap:4px}.sync-status{font-weight:700}.sync-status.ok{color:#8fe0d0}.sync-status.warning{color:#ffd27a}.sync-status.error{color:#ffb4aa}.workspace{padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}h1,h2,p{margin:0}.topbar h1{font-size:1.65rem;line-height:1.2}.topbar p,.panel-header p,.login-copy p{color:var(--muted);margin-top:5px}.actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:10px}.search-box,select,input{min-height:40px;border:1px solid var(--line);background:#fff;border-radius:8px}.search-box{display:flex;align-items:center;gap:8px;padding:0 12px}.search-box input,label input{border:0;outline:0}select{padding:0 10px}.period-filter{position:relative}.period-trigger{min-width:172px;min-height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:space-between;gap:10px;padding:0 11px;cursor:pointer}.period-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:20;width:230px;max-height:310px;overflow-y:auto;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:var(--shadow)}.period-option{min-height:36px;display:grid;grid-template-columns:18px minmax(0,1fr);align-items:center;gap:9px;padding:7px 8px;border-radius:7px;color:var(--ink);cursor:pointer}.period-option:hover{background:#edf7f5}.period-option input{position:absolute;opacity:0;pointer-events:none}.checkbox-mark{width:18px;height:18px;border:1px solid var(--line);border-radius:5px;display:grid;place-items:center;color:transparent}.period-option input:checked+.checkbox-mark{background:var(--teal);border-color:var(--teal);color:#fff}.icon-button,.primary-button,.secondary-button{border:0;border-radius:8px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.icon-button{width:40px;color:var(--ink);background:#fff;border:1px solid var(--line)}button:disabled,select:disabled,input:disabled{opacity:.64;cursor:wait}.primary-button{background:var(--teal);color:#fff;padding:0 16px}.secondary-button{background:#edf7f5;color:var(--teal);padding:0 13px}.content-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;transition:opacity .16s ease}.content-grid.is-loading{opacity:.58;pointer-events:none}.detail-view.is-loading{opacity:.58}.loading-state{position:sticky;top:12px;z-index:5;width:fit-content;max-width:100%;display:inline-flex;align-items:center;gap:9px;min-height:40px;margin-bottom:14px;padding:0 13px;border:1px solid #b7ddd7;border-radius:8px;background:#edf7f5;color:var(--teal);box-shadow:var(--shadow);font-weight:700}.spin{animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.metric-card,.panel,.login-panel,.alert{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.metric-card{min-height:150px;padding:17px;display:grid;align-content:space-between;gap:7px}.metric-card svg{color:var(--teal)}.metric-card span,.metric-card small{color:var(--muted)}.metric-card strong{font-size:clamp(1.25rem,2vw,1.8rem);line-height:1.05}.panel{padding:18px;min-height:300px}.wide{grid-column:span 3}.panel-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:18px}.panel-header h2{font-size:1.05rem}.compact{margin-bottom:10px}.compact-loader{position:static;margin-bottom:14px}.chart{height:220px;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:10px;align-items:end;border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 10px 0}.bar-group{height:100%;display:grid;grid-template-rows:1fr auto;gap:6px;text-align:center}.bars{display:flex;align-items:end;justify-content:center;gap:4px}.bar{width:12px;border-radius:4px 4px 0 0;min-height:8%}.billing{background:var(--blue)}.collections{background:var(--teal)}.debt-list,.quality-list,.breakdown-list{display:grid;gap:10px}.debt-row,.quality-list div,.breakdown-row{display:grid;gap:6px;padding:11px 0;border-bottom:1px solid var(--line)}.debt-row,.breakdown-row{grid-template-columns:minmax(0,1fr) auto}.debt-row span,.breakdown-row span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.breakdown-row strong{color:var(--ink)}.quality-list div{grid-template-columns:10px minmax(0,1fr) auto;align-items:center}.quality-list span{width:9px;height:9px;border-radius:99px;background:var(--teal)}.quality-list p{color:var(--muted)}.quality-list strong{color:var(--teal);font-size:.82rem}.split-breakdown{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.split-breakdown h3{margin:0 0 6px;color:var(--muted);font-size:.86rem;font-weight:800;text-transform:uppercase}.detail-view{display:grid}.wide-detail{min-height:520px}.panel-header>strong{color:var(--teal);font-size:clamp(1.25rem,2vw,1.8rem)}.detail-table{display:grid;gap:8px}.detail-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}button.detail-row{width:100%;border:0;background:transparent;color:inherit;text-align:left}.detail-link{width:100%;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.detail-link:hover{background:#edf7f5}.detail-row span{color:var(--muted)}.stacked-row span{display:grid;gap:4px}.stacked-row span strong{color:var(--ink)}.stacked-row small{color:var(--muted);line-height:1.35}.detail-summary{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.detail-summary span{min-height:34px;display:inline-flex;align-items:center;border-radius:8px;background:#edf7f5;color:var(--teal);padding:0 11px;font-weight:700}.audit-view{display:grid}.audit-panel{min-height:520px}.audit-list{display:grid;gap:10px}.audit-row{display:grid;grid-template-columns:82px minmax(0,1fr);gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line)}.audit-row p{color:var(--muted);margin-top:4px}.audit-row small{display:block;color:var(--muted);margin-top:6px}.audit-level{width:78px;min-height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#e8eef2;color:var(--ink);font-size:.72rem;font-weight:800;text-transform:uppercase}.audit-level.warning{background:#fff4d6;color:var(--amber)}.audit-level.error{background:#fde7e4;color:var(--danger)}.empty-state{color:var(--muted);padding:18px 0}.login-panel{max-width:860px;margin:7vh auto 0;display:grid;grid-template-columns:1fr 330px;gap:28px;padding:28px}.login-copy{display:grid;align-content:center;gap:10px}.login-copy svg{color:var(--teal)}.login-copy h1{font-size:2rem}.login-form{display:grid;gap:14px}.login-form label{display:grid;gap:7px;color:var(--muted);font-size:.88rem}.login-form input{padding:0 12px}.form-error,.alert{color:var(--danger)}.alert{display:flex;align-items:center;gap:8px;padding:12px 14px;margin-bottom:14px}.sync-alert.warning{color:var(--amber)}.sync-alert.error{color:var(--danger)}@media(max-width:1040px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;display:grid;grid-template-columns:1fr}nav{grid-template-columns:repeat(4,minmax(0,1fr))}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wide{grid-column:1 / -1}}@media(max-width:720px){.workspace{padding:16px}.topbar,.actions,.panel-header,.login-panel{display:grid;grid-template-columns:1fr}.actions>*,.period-trigger,.search-box,select{width:100%}.search-box input{width:100%}.period-menu{position:static;width:100%;max-height:260px;margin-top:6px}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric-card{min-height:116px;padding:12px;gap:5px}.metric-card svg{width:18px;height:18px}.metric-card span,.metric-card small{font-size:.78rem;line-height:1.25}.metric-card strong{font-size:clamp(1rem,4vw,1.18rem);line-height:1.12;overflow-wrap:anywhere}.panel,.wide,.detail-view,.audit-view{grid-column:1 / -1}.split-breakdown{grid-template-columns:1fr;gap:12px}nav{grid-template-columns:1fr 1fr}.chart{overflow-x:auto;grid-auto-columns:minmax(42px,1fr)}}@media(max-width:360px){.content-grid{grid-template-columns:1fr}}