:root{--bg:#f5f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e6e9ef;--primary:#2563eb;--primary2:#1d4ed8;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--sidebar:#111827}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}.app{display:flex;min-height:100vh}.sidebar{width:245px;background:var(--sidebar);color:#fff;padding:22px 16px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{font-weight:800;font-size:18px;margin:0 8px 22px}.brand small{display:block;font-weight:500;color:#9ca3af;font-size:11px;margin-top:4px}.nav-section{color:#6b7280;font-size:10px;font-weight:800;letter-spacing:.12em;margin:20px 10px 7px}.nav a{display:block;color:#d1d5db;padding:10px 12px;border-radius:8px;margin:2px 0}.nav a:hover,.nav a.active{background:#1f2937;color:#fff}.main{margin-left:245px;width:calc(100% - 245px)}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}.content{padding:28px;max-width:1450px;margin:auto}.page-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.page-title h1{font-size:24px;margin:0}.muted{color:var(--muted)}.small{font-size:12px}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 2px 8px rgba(15,23,42,.03)}.kpi .label{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase}.kpi .value{font-size:24px;font-weight:800;margin-top:8px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;width:100%}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:#667085;background:#fafbfc}tr:last-child td{border-bottom:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:#1f2937;border-radius:8px;padding:9px 13px;font-weight:700;cursor:pointer;font-size:13px}.btn:hover{background:#f9fafb}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.btn.success{background:var(--success);border-color:var(--success);color:#fff}.btn.danger{background:#fff;color:var(--danger);border-color:#fecaca}.btn.sm{padding:6px 9px;font-size:12px}.actions{display:flex;gap:7px;flex-wrap:wrap}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid .full{grid-column:1/-1}label{display:block;font-size:12px;font-weight:700;color:#374151}input,select,textarea{width:100%;margin-top:6px;border:1px solid #d7dce4;border-radius:8px;padding:10px 11px;background:#fff;color:#111827;font:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:#93b4ff;box-shadow:0 0 0 3px rgba(37,99,235,.08)}textarea{min-height:90px;resize:vertical}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800}.badge.PAID{background:#dcfce7;color:#166534}.badge.UNPAID{background:#fef3c7;color:#92400e}.badge.OVERDUE{background:#fee2e2;color:#991b1b}.badge.DRAFT,.badge.CANCELLED{background:#e5e7eb;color:#374151}.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px}.alert.success{background:#dcfce7;color:#166534}.alert.danger{background:#fee2e2;color:#991b1b}.alert.warning{background:#fef3c7;color:#92400e}.login-bg{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#111827,#1e3a8a)}.install-card,.login-card{width:min(480px,calc(100% - 32px));background:#fff;padding:30px;border-radius:16px;box-shadow:0 25px 70px rgba(0,0,0,.25)}.install-card h1,.login-card h1{margin:0 0 5px}.install-card .form-grid,.login-card .form-grid{grid-template-columns:1fr}.invoice-items input,.invoice-items select{min-width:90px}.money{text-align:right}.invoice-online{max-width:920px;margin:30px auto;padding:0 16px}.invoice-sheet{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px}.invoice-head{display:flex;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);padding-bottom:22px}.biz{display:flex;gap:15px}.biz img{width:74px;height:74px;object-fit:contain}.invoice-title{text-align:right}.invoice-title h1{margin:0;font-size:30px}.pay-box{border:1px solid var(--line);border-radius:10px;padding:14px;margin-top:10px}.qris{max-width:260px}.empty{padding:28px;text-align:center;color:var(--muted)}.hint{background:#eff6ff;color:#1e40af;padding:10px 12px;border-radius:8px;font-size:12px}.danger-text{color:var(--danger)}@media(max-width:900px){.sidebar{display:none}.main{margin-left:0;width:100%}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.content{padding:16px}.topbar{padding:0 16px}.invoice-head{flex-direction:column}.invoice-title{text-align:left}.page-title{align-items:flex-start;flex-direction:column}}