@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Lao:wght@400;500;600;700;800;900&display=swap");
:root{
  --bg:#f5f7fb;--panel:#ffffff;--text:#172033;--muted:#6b7280;--line:#e6e9f0;
  --primary:#155eef;--primary2:#0f46b8;--green:#078766;--yellow:#b7791f;--red:#c2410c;--purple:#6d28d9;
  --soft-blue:#eaf1ff;--soft-green:#e9f8f3;--soft-yellow:#fff7df;--soft-red:#fff0eb;--shadow:0 16px 35px rgba(15,23,42,.08);
  --radius:18px;
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:"Noto Sans Lao","Phetsarath OT","Saysettha OT","Lao UI",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.sidebar{position:fixed;inset:0 auto 0 0;width:282px;background:#0f172a;color:white;padding:22px;display:flex;flex-direction:column;z-index:5}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px}.brand-logo{width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,#3b82f6,#22c55e);display:grid;place-items:center;font-weight:800}.brand h1{font-size:18px;margin:0}.brand p{margin:2px 0 0;color:#b7c0d5;font-size:13px}.nav{display:flex;flex-direction:column;gap:7px}.nav-item{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:12px 14px;border-radius:12px;cursor:pointer;font-size:14px}.nav-item:hover,.nav-item.active{background:#1e293b;color:white}.side-actions{margin-top:auto;display:grid;gap:8px}.main{margin-left:282px;min-height:100vh;padding:26px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.topbar h2{margin:0;font-size:30px}.topbar p{margin:4px 0 0;color:var(--muted)}.top-actions{display:flex;gap:10px;align-items:center}.search{width:320px;border:1px solid var(--line);background:white;border-radius:14px;padding:13px 14px;font-size:14px}.btn{border:0;border-radius:13px;padding:11px 14px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.btn.primary{background:var(--primary);color:white}.btn.primary:hover{background:var(--primary2)}.btn.secondary{background:#e8eefb;color:#1d3b6b}.btn.danger{color:#b42318}.btn.ghost{background:rgba(255,255,255,.08)}.btn.full{width:100%}.btn.small{padding:8px 10px;font-size:12px}.btn[disabled]{opacity:.45;cursor:not-allowed}.view{display:none}.view.active{display:block}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}.kpi{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:18px}.kpi .label{color:var(--muted);font-size:13px}.kpi .value{font-size:28px;font-weight:850;margin-top:7px}.kpi .hint{font-size:12px;color:var(--muted);margin-top:5px}.kpi.red{background:var(--soft-red)}.kpi.yellow{background:var(--soft-yellow)}.kpi.green{background:var(--soft-green)}.kpi.blue{background:var(--soft-blue)}.split{display:grid;grid-template-columns:1fr 330px;gap:16px}.panel{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:18px;margin-bottom:16px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:12px}.panel h3{margin:0;font-size:18px}.panel p{margin:4px 0 0;color:var(--muted);font-size:13px}.filter-row{display:flex;gap:7px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;cursor:pointer;color:#465064}.chip.active{background:#0f172a;color:white}.table-wrap{overflow:auto;border-radius:14px;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;background:white}th,td{padding:12px 12px;border-bottom:1px solid var(--line);font-size:13px;text-align:left;vertical-align:middle}th{background:#f8fafc;color:#475569;font-weight:800;position:sticky;top:0;z-index:1}tr:hover td{background:#fbfdff}.money{text-align:right;font-variant-numeric:tabular-nums}.badge{border-radius:999px;padding:5px 9px;font-weight:800;font-size:12px;display:inline-flex}.badge.red{background:var(--soft-red);color:var(--red)}.badge.yellow{background:var(--soft-yellow);color:var(--yellow)}.badge.green{background:var(--soft-green);color:var(--green)}.badge.blue{background:var(--soft-blue);color:var(--primary)}.badge.purple{background:#f2edff;color:var(--purple)}.actions{display:flex;gap:6px;flex-wrap:wrap}.officer-list{display:grid;gap:10px}.officer-card{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfcff}.officer-card strong{display:block}.officer-stats{display:flex;gap:8px;margin-top:8px;color:var(--muted);font-size:12px}.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.upload-box{border:2px dashed #cbd5e1;border-radius:22px;padding:34px;text-align:center;background:#fbfdff}.upload-box.drag{border-color:var(--primary);background:#eef5ff}.wizard{display:flex;gap:8px;margin:14px 0 18px}.step{flex:1;padding:12px;border-radius:14px;background:#f1f5f9;color:#64748b;font-weight:750}.step span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:white;margin-right:6px}.step.on{background:var(--soft-blue);color:var(--primary)}.import-result{margin-top:16px}.input{border:1px solid var(--line);border-radius:12px;padding:10px;background:white;width:100%;font:inherit}.input.small{width:180px}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(220px,1fr));gap:14px}.settings-grid h3{grid-column:1/-1}.drawer-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.35);z-index:10}.drawer{position:fixed;right:0;top:0;height:100vh;width:520px;background:white;box-shadow:-20px 0 50px rgba(15,23,42,.2);z-index:11;padding:22px;overflow:auto}.drawer.hidden,.drawer-backdrop.hidden,.modal-backdrop.hidden,.toast.hidden{display:none}.drawer-head{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}.drawer-title h3{margin:0}.drawer-title p{color:var(--muted);margin:3px 0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.detail-item{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px}.detail-item span{display:block;color:var(--muted);font-size:12px}.detail-item strong{display:block;margin-top:2px}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.48);z-index:20;display:grid;place-items:center}.modal{width:min(720px,92vw);background:white;border-radius:22px;box-shadow:var(--shadow);padding:20px}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.modal-head h3{margin:0}.icon-btn{border:0;background:#f1f5f9;border-radius:10px;width:36px;height:36px;font-size:22px;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.span2{grid-column:1/-1}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.toast{position:fixed;right:24px;bottom:24px;background:#0f172a;color:white;border-radius:14px;padding:13px 16px;box-shadow:var(--shadow);z-index:50}.empty{padding:26px;text-align:center;color:var(--muted)}.priority{font-weight:900}.priority.urgent{color:var(--red)}.priority.today{color:var(--primary)}.priority.soon{color:var(--yellow)}@media(max-width:1100px){.sidebar{position:relative;width:auto;inset:auto}.main{margin-left:0}.split,.report-grid,.kpi-grid{grid-template-columns:1fr}.topbar{display:block}.top-actions{margin-top:12px}.search{width:100%}.drawer{width:92vw}}
.muted{color:var(--muted);font-size:12px}.import-panel{max-width:980px}.hidden{display:none!important}
.auth-modal { max-width: 520px; }
.db-status { font-size: 12px; padding: 6px 10px; border-radius: 999px; background:#eef2ff; color:#3730a3; }

/* v4.2 Lao typography and table readability */
h1,h2,h3,.brand h1,.kpi .value,strong,th{letter-spacing:-.015em}
.topbar h2{font-weight:900;letter-spacing:-.03em}.topbar p,.panel p,.muted{line-height:1.6}
th,td{font-size:13.5px;line-height:1.55}.table-wrap table{min-width:980px}.money{font-weight:700;color:#0f172a}.badge{font-weight:800}.nav-item{font-weight:650}.btn{font-weight:800}.customer-main{font-weight:800}.subline{color:var(--muted);font-size:12.5px;margin-top:2px}
@media(max-width:1100px){.table-wrap table{min-width:860px}}

/* v4.3 customer detail: no horizontal scroll, easy installment cards */
.drawer{width:min(860px,96vw);padding:24px 26px}.drawer .table-wrap{overflow:visible;border:0}.detail-grid.simple{grid-template-columns:repeat(4,1fr)}.detail-item{background:#f8fafc}.detail-item strong{font-size:17px;line-height:1.35}.drawer-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0 18px}.drawer-summary>div{border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px}.drawer-summary span{display:block;color:var(--muted);font-size:12px}.drawer-summary strong{font-size:19px}.section-title{display:flex;justify-content:space-between;align-items:center;margin:18px 0 10px}.section-title h3{margin:0}.section-title span{color:var(--muted);font-weight:800}.installment-list{display:grid;gap:10px}.installment-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:12px 14px;box-shadow:0 8px 18px rgba(15,23,42,.04)}.installment-card.overdue{border-left:5px solid var(--red);background:#fffaf8}.installment-card.paid{border-left:5px solid var(--green)}.installment-card.remind,.installment-card.due_today{border-left:5px solid var(--primary)}.inst-main{display:grid;grid-template-columns:70px 1fr 150px;gap:10px;align-items:center;margin-bottom:10px}.inst-label,.inst-money-grid span{display:block;color:var(--muted);font-size:12px;font-weight:650}.inst-no{font-size:22px}.inst-status{text-align:right}.inst-money-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.inst-money-grid>div{background:#f8fafc;border-radius:12px;padding:9px 10px}.inst-money-grid strong{font-size:15px;font-variant-numeric:tabular-nums}.inst-money-grid .highlight{background:#eef5ff;border:1px solid #dbeafe}.inst-money-grid .highlight strong{font-size:17px;color:var(--primary)}
@media(max-width:760px){.drawer{width:100vw;padding:20px}.detail-grid.simple,.drawer-summary{grid-template-columns:1fr 1fr}.inst-main{grid-template-columns:54px 1fr;gap:8px}.inst-status{grid-column:1/-1;text-align:left}.inst-money-grid{grid-template-columns:1fr 1fr}.inst-money-grid strong{font-size:14px}.inst-money-grid .highlight strong{font-size:16px}}

/* v4.4 payment flow */
.installment-card.partial_paid{border-left:5px solid var(--yellow);background:#fffdf5}
.installment-card.paid_pending_verify{border-left:5px solid var(--yellow);background:#fffdf5}
.inst-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;margin-top:10px;border-top:1px solid var(--line);padding-top:10px}
.pay-info{border:1px solid var(--line);background:#f8fafc;border-radius:14px;padding:12px 14px;margin-bottom:14px;line-height:1.55}
.payment-modal{max-width:680px}
@media(max-width:760px){.inst-actions{justify-content:flex-start}.inst-actions .btn{width:100%}}