:root{--navy:#102238;--blue:#2f6fed;--ink:#1d2b3c;--muted:#718096;--bg:#f5f7fb;--line:#e7ebf2;--white:#fff;--green:#16845a;--red:#c84d4d;--shadow:0 12px 30px rgba(22,45,78,.07)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 Arial,sans-serif}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--navy);color:#dbe6f4;padding:28px 18px;display:flex;flex-direction:column}.brand{font-weight:700;font-size:16px;display:flex;align-items:center;gap:10px;margin:0 8px 42px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#4d86ff;color:white;font-size:17px}.sidebar nav{display:grid;gap:7px}.sidebar a{color:#afc0d5;text-decoration:none;padding:12px 13px;border-radius:9px;display:block}.sidebar a:hover,.sidebar a.active{background:#1e3958;color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid #29415f;padding-top:18px}.main-content{flex:1;padding:34px 48px;max-width:1500px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.eyebrow{color:var(--blue);font-size:11px;letter-spacing:1.4px;font-weight:700;margin:0 0 3px}h1{font-size:28px;line-height:1.2;margin:0;color:var(--navy)}h2{font-size:18px;margin:0 0 18px}.user-pill{display:flex;align-items:center;gap:10px;font-weight:600}.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#dce8ff;color:var(--blue)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.card,.panel{background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.card{padding:21px}.card-label{color:var(--muted);font-size:12px;margin-bottom:8px}.card-value{font-size:22px;font-weight:700;color:var(--navy)}.card-note{color:var(--muted);font-size:12px;margin-top:7px}.panel{padding:24px;margin-bottom:22px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:650px}th,td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);vertical-align:middle}th{color:var(--muted);font-size:12px;font-weight:600}td{font-size:13px}tr:last-child td{border-bottom:0}.btn{display:inline-block;border:0;border-radius:8px;padding:10px 14px;text-decoration:none;cursor:pointer;font-size:13px;font-weight:700}.btn-primary{background:var(--blue);color:#fff}.btn-secondary{background:#edf3ff;color:var(--blue)}.btn-danger{background:#fff0f0;color:var(--red)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.form-group{display:grid;gap:6px}.form-group.full{grid-column:1/-1}label{font-size:12px;font-weight:700;color:#46566b}input,select,textarea{width:100%;border:1px solid #d7dfeb;border-radius:8px;padding:10px 11px;color:var(--ink);background:#fff;font:inherit}textarea{min-height:90px;resize:vertical}.form-actions{display:flex;gap:10px;margin-top:20px}.summary-box{background:#f4f7ff;border:1px solid #dfe8ff;border-radius:10px;padding:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:8px}.summary-box small{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}.summary-box strong{color:var(--navy)}.badge{display:inline-block;border-radius:99px;padding:4px 9px;font-size:11px;font-weight:700;background:#edf2f7;color:#536273}.badge.active,.badge.lunas{background:#e6f7ef;color:var(--green)}.badge.macet,.badge.terlambat{background:#fff0f0;color:var(--red)}.alert{border-radius:9px;padding:12px 14px;margin:0 0 18px}.alert.success{background:#e8f8f0;color:#126d4b}.alert.error{background:#fff0f0;color:#a13d3d}.empty{text-align:center;padding:28px;color:var(--muted)}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#edf3ff,#f8fafc)}.login-box{width:min(420px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}.login-box .brand{color:var(--navy);margin:0 0 30px}.login-box h1{font-size:23px;margin-bottom:5px}.login-box p{color:var(--muted);margin-top:0}.login-box form{display:grid;gap:15px}.login-box .btn{margin-top:7px;width:100%}.muted{color:var(--muted)}.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}.right{text-align:right}@media(max-width:900px){.sidebar{width:190px}.main-content{padding:28px 24px}.cards{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}}@media(max-width:620px){.app-shell{display:block}.sidebar{width:100%;padding:18px}.brand{margin-bottom:16px}.sidebar nav{display:flex;overflow:auto}.sidebar-foot{display:none}.main-content{padding:24px 16px}.topbar{align-items:flex-start;gap:12px}.user-pill{font-size:12px}.cards{grid-template-columns:1fr 1fr;gap:10px}.card{padding:15px}.card-value{font-size:17px}.form-grid,.summary-box{grid-template-columns:1fr}.form-group.full{grid-column:auto}}