:root{--navy:#102a43;--blue:#1d4ed8;--sky:#eff6ff;--ink:#1f2937;--muted:#64748b;--line:#e2e8f0;--bg:#f5f7fb;--white:#fff;--green:#15803d;--amber:#b45309;--red:#b91c1c}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--blue)}
.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:linear-gradient(180deg,#0f2747,#102a43);color:#fff;padding:22px 16px;overflow:auto}
.brand{display:flex;align-items:center;gap:12px;padding:4px 4px 22px}.brand-mark{width:48px;height:48px;border-radius:14px;background:#fff;color:var(--navy);font-weight:900;display:grid;place-items:center;font-size:18px}.brand-copy strong{font-size:15px;line-height:1.25}.brand-copy small{display:block;color:#b8cae0;margin-top:5px;letter-spacing:.05em}
.nav{display:grid;gap:5px}.nav a{color:#e8eef7;text-decoration:none;padding:11px 12px;border-radius:9px;font-size:14px}.nav a:hover{background:#193b66}.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#8fb0d1;margin:14px 10px 4px}
.main{margin-left:270px;padding:24px;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.topbar h1{margin:0 0 4px;font-size:27px}.topbar p{margin:0;color:var(--muted);font-size:13px}.user-chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 13px;font-size:13px}
.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.card,.panel{background:#fff;border:1px solid #edf1f6;box-shadow:0 5px 18px rgba(15,39,71,.05);border-radius:14px}.card{padding:18px}.card .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.card .num{font-size:28px;font-weight:800;margin-top:7px}.card .sub{font-size:12px;color:var(--muted);margin-top:4px}.panel{padding:18px;margin-top:18px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-head h2{font-size:18px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:9px;background:var(--navy);color:#fff;text-decoration:none;padding:9px 13px;font-weight:650;font-size:13px;cursor:pointer}.btn.secondary{background:#64748b}.btn.blue{background:var(--blue)}.btn.green{background:var(--green)}.btn.danger{background:var(--red)}.btn.light{background:#e8eef6;color:var(--navy)}.btn.small{padding:6px 9px;font-size:12px}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{padding:10px 9px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:hover td{background:#fbfdff}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-group{display:grid;gap:6px}.form-group.full{grid-column:1/-1}.form-group label{font-size:12px;color:#475569;font-weight:700}.form-control{width:100%;border:1px solid #cbd5e1;border-radius:9px;padding:10px 11px;background:#fff;color:var(--ink);outline:none}.form-control:focus{border-color:#60a5fa;box-shadow:0 0 0 3px #dbeafe}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:15px;border:1px solid}.alert.success{background:#ecfdf5;color:#166534;border-color:#bbf7d0}.alert.error{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700}.badge.success{background:#dcfce7;color:#166534}.badge.warning{background:#fef3c7;color:#92400e}.badge.info{background:#dbeafe;color:#1e40af}
.filters{display:grid;grid-template-columns:repeat(5,minmax(130px,1fr));gap:10px;margin-bottom:14px}.muted{color:var(--muted);font-size:12px}.big-total{font-size:24px;font-weight:800}.kv{display:grid;grid-template-columns:170px 1fr;gap:8px 14px;font-size:13px}.kv div:nth-child(odd){color:var(--muted)}
.installment-row{display:grid;grid-template-columns:1.4fr .8fr 1fr auto;gap:8px;margin-bottom:8px}.summary-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}.summary-box{padding:13px;border-radius:10px;background:#f8fafc;border:1px solid var(--line)}
.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#f8fafc)}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 18px 45px rgba(15,39,71,.12)}.login-card h1{font-size:23px;margin:0 0 4px}.login-card .org{color:var(--muted);margin-bottom:22px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}.login-brand .brand-mark{background:var(--navy);color:#fff}.login-card .form-group{margin-bottom:12px}
.footer{text-align:center;color:#94a3b8;font-size:11px;padding:30px 0 5px}
.receipt{max-width:820px;margin:auto;background:white;padding:30px;border:1px solid var(--line)}.receipt-header{text-align:center;border-bottom:2px solid var(--navy);padding-bottom:14px;margin-bottom:16px}.receipt-header h1{font-size:22px;margin:0}.receipt-header p{margin:5px 0 0;color:var(--muted)}.receipt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.receipt-amount{font-size:22px;font-weight:800;margin:18px 0}.print-only{display:none}
@media(max-width:1050px){.cards{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.sidebar{position:static;width:100%}.main{margin-left:0;padding:14px}.nav{grid-template-columns:repeat(2,1fr)}.topbar{align-items:flex-start}.cards,.form-grid,.summary-strip{grid-template-columns:1fr}.installment-row{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.form-group.full{grid-column:auto}}
@media print{.sidebar,.topbar,.footer,.no-print,.actions{display:none!important}.main{margin:0;padding:0}.panel,.receipt{border:0;box-shadow:none;margin:0;padding:0}.print-only{display:block}body{background:#fff}.table-wrap{overflow:visible}table{min-width:0}th,td{font-size:11px}}