:root {
  --bg: #f0f4f8; --surface: #fff; --surface2: #e8eef5; --border: #c9d5e0;
  --primary: #1a4a7a; --primary-l: #2563a8; --accent: #0e7a5c; --accent-l: #10a374;
  --danger: #c0392b; --warning: #d97706; --info: #0369a1;
  --text: #1c2b3a; --text2: #4a6175; --text3: #7a94a8;
  --shadow: 0 2px 8px rgba(26,74,122,.10); --shadow-lg: 0 6px 24px rgba(26,74,122,.14);
  --radius: 10px; --radius-sm: 6px;
}
*{ box-sizing:border-box; margin:0; padding:0; }
body{ font-family:'Segoe UI',system-ui,sans-serif; background:var(--bg); color:var(--text); min-height:100vh; display:flex; flex-direction:column; }

/* NAVBAR */
.navbar{ background:var(--primary); color:#fff; padding:12px 24px; display:flex; align-items:center; gap:16px; box-shadow:var(--shadow-lg); position:sticky; top:0; z-index:100; flex-wrap:wrap; }
.nav-brand{ display:flex; align-items:center; gap:10px; }
.nav-icon{ font-size:24px; }
.nav-title{ font-size:15px; font-weight:700; }
.nav-sub{ font-size:11px; opacity:.7; }
.nav-links{ display:flex; gap:4px; flex:1; flex-wrap:wrap; }
.nav-link{ color:rgba(255,255,255,.85); text-decoration:none; padding:6px 12px; border-radius:var(--radius-sm); font-size:13px; font-weight:600; transition:background .2s; }
.nav-link:hover,.nav-link.active{ background:rgba(255,255,255,.15); color:#fff; }
.nav-user{ display:flex; align-items:center; gap:10px; }
.user-info{ font-size:12.5px; opacity:.85; }
.btn-logout{ background:rgba(255,255,255,.15); color:#fff; border:1px solid rgba(255,255,255,.3); padding:5px 12px; border-radius:var(--radius-sm); font-size:12px; cursor:pointer; text-decoration:none; transition:all .2s; }
.btn-logout:hover{ background:var(--danger); border-color:var(--danger); }

/* MAIN */
.main-content{ flex:1; max-width:1200px; margin:0 auto; width:100%; padding:20px 16px 40px; }

/* FOOTER */
.footer{ background:var(--surface); border-top:1px solid var(--border); padding:10px 24px; font-size:12px; color:var(--text3); display:flex; justify-content:space-between; }

/* CARDS */
.card{ background:var(--surface); border-radius:var(--radius); box-shadow:var(--shadow); padding:20px; margin-bottom:16px; }
.card-title{ font-size:14px; font-weight:700; color:var(--primary); margin-bottom:14px; display:flex; align-items:center; gap:8px; }

/* FORM */
label{ font-size:12px; font-weight:600; color:var(--text2); display:block; margin-bottom:4px; }
input[type=text],input[type=password],input[type=number],input[type=date],input[type=email],select,textarea{
  width:100%; padding:9px 12px; border:1.5px solid var(--border); border-radius:var(--radius-sm);
  font-size:13px; color:var(--text); background:var(--bg); transition:border .2s;
}
input:focus,select:focus,textarea:focus{ outline:none; border-color:var(--primary-l); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:12px; }
.form-row.three{ grid-template-columns:1fr 1fr 1fr; }
.form-group{ display:flex; flex-direction:column; }
.form-hint{ font-size:11px; color:var(--warning); margin-top:3px; }

/* BUTTONS */
.btn{ padding:9px 18px; border:none; border-radius:var(--radius-sm); cursor:pointer; font-size:13px; font-weight:600; transition:all .2s; display:inline-flex; align-items:center; gap:6px; text-decoration:none; }
.btn-primary{ background:var(--primary); color:#fff; }.btn-primary:hover{ background:var(--primary-l); }
.btn-accent{ background:var(--accent); color:#fff; }.btn-accent:hover{ background:var(--accent-l); }
.btn-danger{ background:var(--danger); color:#fff; }
.btn-outline{ background:transparent; border:1.5px solid var(--border); color:var(--text2); }.btn-outline:hover{ border-color:var(--primary); color:var(--primary); }
.btn-sm{ padding:5px 12px; font-size:12px; }
.btn-row{ display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }

/* ALERT */
.alert{ padding:11px 16px; border-radius:var(--radius-sm); font-size:13px; margin-bottom:14px; display:flex; gap:8px; align-items:flex-start; }
.alert-success{ background:rgba(14,122,92,.1); border-left:4px solid var(--accent); }
.alert-danger,.alert-error{ background:rgba(192,57,43,.1); border-left:4px solid var(--danger); }
.alert-info{ background:rgba(3,105,161,.1); border-left:4px solid var(--info); }
.alert-warning{ background:rgba(217,119,6,.1); border-left:4px solid var(--warning); }

/* BADGE */
.badge{ display:inline-block; padding:2px 8px; border-radius:20px; font-size:11px; font-weight:600; }
.badge-green{ background:rgba(14,122,92,.12); color:var(--accent); }
.badge-red{ background:rgba(192,57,43,.12); color:var(--danger); }
.badge-blue{ background:rgba(37,99,168,.12); color:var(--primary); }
.badge-yellow{ background:rgba(217,119,6,.12); color:var(--warning); }
.badge-teal{ background:rgba(3,105,161,.12); color:var(--info); }
.badge-gray{ background:var(--surface2); color:var(--text3); }

/* TABLE */
.table-wrap{ overflow-x:auto; margin-top:10px; }
table{ width:100%; border-collapse:collapse; font-size:12.5px; }
th{ background:var(--primary); color:#fff; padding:9px 10px; text-align:left; font-size:11.5px; white-space:nowrap; }
td{ padding:8px 10px; border-bottom:1px solid var(--border); vertical-align:middle; }
tr:nth-child(even) td{ background:var(--surface2); }
tr:hover td{ background:rgba(37,99,168,.05); }
.num{ text-align:right; font-variant-numeric:tabular-nums; }
.total-row td{ font-weight:700; background:var(--surface2)!important; border-top:2px solid var(--primary); }

/* SUMMARY CARDS */
.summary-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:12px; margin-bottom:16px; }
.summary-card{ background:var(--surface2); border-radius:var(--radius-sm); padding:14px 16px; border-left:4px solid var(--primary); }
.summary-card.green{ border-left-color:var(--accent); }
.summary-card.warn{ border-left-color:var(--warning); }
.summary-card.red{ border-left-color:var(--danger); }
.summary-card .sc-lbl{ font-size:11px; color:var(--text3); font-weight:600; text-transform:uppercase; letter-spacing:.5px; }
.summary-card .sc-val{ font-size:20px; font-weight:700; color:var(--text); margin-top:4px; }
.summary-card .sc-sub{ font-size:11px; color:var(--text2); margin-top:2px; }

/* AKUN TAG */
.akun-tag{ font-family:monospace; font-size:11px; background:var(--surface2); border:1px solid var(--border); border-radius:4px; padding:1px 6px; }

/* LOGIN PAGE */
.login-wrap{ min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--bg); }
.login-box{ background:var(--surface); border-radius:var(--radius); box-shadow:var(--shadow-lg); padding:36px 32px; width:100%; max-width:400px; }
.login-logo{ text-align:center; margin-bottom:20px; }
.login-logo .logo-icon{ font-size:48px; }
.login-logo h1{ font-size:20px; font-weight:700; color:var(--primary); margin-top:8px; }
.login-logo p{ font-size:12px; color:var(--text3); margin-top:4px; }

/* UPLOAD ZONE */
.upload-zone{ border:2.5px dashed var(--border); border-radius:var(--radius); padding:30px 20px; text-align:center; cursor:pointer; transition:all .25s; position:relative; background:var(--surface); }
.upload-zone:hover{ border-color:var(--primary); background:rgba(37,99,168,.04); }
.upload-zone input[type=file]{ position:absolute; inset:0; opacity:0; cursor:pointer; width:100%; height:100%; }
.upload-zone h3{ font-size:15px; font-weight:700; color:var(--primary); margin:8px 0 4px; }
.upload-zone p{ font-size:12px; color:var(--text3); }

/* DIFF COLORS */
.diff-plus{ color:var(--danger); font-weight:700; }
.diff-minus{ color:var(--accent); font-weight:700; }
.diff-zero{ color:var(--text3); }
.row-changed td{ background:rgba(217,119,6,.06)!important; }

/* PAGINATION */
.pagination{ display:flex; gap:4px; margin-top:14px; flex-wrap:wrap; }
.page-btn{ padding:5px 11px; border:1.5px solid var(--border); border-radius:var(--radius-sm); background:var(--surface); color:var(--text2); cursor:pointer; font-size:12px; text-decoration:none; }
.page-btn.active{ background:var(--primary); color:#fff; border-color:var(--primary); }
.page-btn:hover:not(.active){ border-color:var(--primary); color:var(--primary); }

/* FILTER BAR */
.filter-bar{ display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end; margin-bottom:14px; }
.filter-bar .form-group{ flex:1; min-width:140px; }

@media(max-width:640px){
  .navbar{ padding:10px 12px; }
  .nav-links{ display:none; }
  .main-content{ padding:12px 8px 30px; }
  .form-row,.form-row.three{ grid-template-columns:1fr; }
  .summary-grid{ grid-template-columns:1fr 1fr; }
}
@media print{
  .navbar,.btn-row,.btn,.footer,.filter-bar,.pagination{ display:none!important; }
  body{ background:#fff; }
  .card{ box-shadow:none; border:1px solid #ccc; }
}