:root{
  --bg-deep:#0A1B22;
  --bg-panel:#102B33;
  --bg-panel-2:#153640;
  --line:#234750;
  --line-soft:#1A3841;
  --water:#2FC6D6;
  --water-dim:#1D6E78;
  --amber:#F2A93B;
  --danger:#E2574C;
  --text:#EAF4F4;
  --text-dim:#8FB4BA;

  --text-faint:#EAF4F4;
   /*- --text-faint:#5C7E85;*/
  --radius:14px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(circle at 15% 0%, rgba(47,198,214,0.07), transparent 40%),
    radial-gradient(circle at 85% 100%, rgba(242,169,59,0.05), transparent 45%),
    var(--bg-deep);
  color:var(--text);
  font-family:'Inter',sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--water);color:#03181c;}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;}
.mono{font-family:'IBM Plex Mono',monospace;}
button{font-family:'Inter',sans-serif;cursor:pointer;}
input,select,textarea{font-family:'Inter',sans-serif;}
a{color:inherit;text-decoration:none;}

/* ---------- Login ---------- */
#screen-login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
.login-card{
  width:100%;max-width:400px;
  background:linear-gradient(180deg,var(--bg-panel-2),var(--bg-panel));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 32px 30px;position:relative;
  box-shadow:0 30px 60px -25px rgba(0,0,0,0.6);
}
.login-card::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:1px;
  background:linear-gradient(90deg,transparent,var(--water),transparent);opacity:.6;
}
.checkpoint-icon{
  width:56px;height:56px;border-radius:50%;border:1.5px solid var(--water-dim);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
  background:radial-gradient(circle,rgba(47,198,214,0.12),transparent 70%);
}
.login-logo{display:block;max-height:64px;width:auto;margin:0 auto 16px;background:#fff;border-radius:8px;padding:6px 14px;}
.login-company{text-align:center;color:var(--water);font-weight:600;font-size:12px;letter-spacing:.05em;margin:4px 0 22px;}
.login-card h1{font-size:20px;font-weight:600;text-align:center;margin:0 0 4px;letter-spacing:.3px;}
.login-sub{text-align:center;color:var(--text-dim);font-size:12.5px;margin:0 0 26px;line-height:1.5;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-faint);margin-bottom:6px;}
.field input{width:100%;background:var(--bg-deep);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:11px 12px;font-size:14px;outline:none;transition:border-color .15s;}
.field input:focus{border-color:var(--water);}
.role-toggle{display:flex;gap:8px;margin-bottom:18px;}
.role-toggle button{flex:1;background:var(--bg-deep);border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:10px 8px;font-size:12.5px;font-weight:500;transition:.15s;}
.role-toggle button.active{border-color:var(--water);color:var(--water);background:rgba(47,198,214,0.08);}
.btn-primary{width:100%;background:var(--water);color:#03181c;border:none;border-radius:8px;padding:13px;font-size:14px;font-weight:600;letter-spacing:.02em;transition:.15s;}
.btn-primary:hover{background:#43d8e6;}
.login-error{color:var(--danger);font-size:12.5px;text-align:center;margin-top:12px;min-height:16px;}
.login-hint{margin-top:22px;padding-top:16px;border-top:1px solid var(--line-soft);font-size:11px;color:var(--text-faint);line-height:1.7;}
.login-hint b{color:var(--text-dim);}
.login-hint code{background:var(--bg-deep);padding:1px 5px;border-radius:4px;}

/* ---------- App shell ---------- */
#app{display:flex;min-height:100vh;flex-direction:column;}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--line);background:rgba(16,43,51,0.5);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10;flex-wrap:wrap;gap:12px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-logo{height:38px;width:auto;border-radius:6px;background:#fff;padding:4px 8px;object-fit:contain;}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--water);box-shadow:0 0 10px var(--water);}
.brand span{font-weight:600;font-size:15px;letter-spacing:.4px;}
.brand small{color:var(--text-faint);font-size:11px;display:block;letter-spacing:.06em;}
.brand small.brand-company{color:var(--water);font-weight:600;margin-top:1px;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.user-chip{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-dim);border:1px solid var(--line);padding:6px 12px;border-radius:20px;}
.user-chip b{color:var(--text);}
.role-pill{font-size:10px;text-transform:uppercase;letter-spacing:.06em;padding:2px 8px;border-radius:10px;background:var(--water-dim);color:#cdf5f9;}
.role-pill.admin{background:#5a3d16;color:var(--amber);}
.btn-logout{background:transparent;border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:8px 14px;font-size:12.5px;display:inline-block;}
.btn-logout:hover{border-color:var(--danger);color:var(--danger);}
.btn-secondary-topbar{background:transparent;border:1px solid var(--line);color:var(--text-dim);border-radius:8px;padding:8px 14px;font-size:12.5px;}
.btn-secondary-topbar:hover{border-color:var(--water);color:var(--water);}

.tabs{display:flex;gap:4px;padding:0 28px;border-bottom:1px solid var(--line);overflow-x:auto;}
.tab-btn{background:none;border:none;color:var(--text-faint);padding:14px 16px;font-size:13px;font-weight:500;border-bottom:2px solid transparent;white-space:nowrap;transition:.15s;}
.tab-btn.active{color:var(--water);border-bottom-color:var(--water);}
.tab-btn:hover{color:var(--text);}

main{flex:1;padding:26px 28px 60px;max-width:1320px;width:100%;margin:0 auto;}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadein .25s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:translateY(0);}}

.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.section-title h2{font-size:17px;font-weight:600;margin:0;}
.section-title .eyebrow{font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-faint);margin-bottom:2px;}

.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
@media(max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.card-grid{grid-template-columns:1fr;}}
.stat-card{background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden;}
.stat-card .label{font-size:11px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;}
.stat-card .value{font-size:26px;font-weight:600;font-family:'IBM Plex Mono',monospace;color:var(--text);}
.stat-card .value span{font-size:13px;color:var(--text-faint);font-family:'Inter',sans-serif;margin-left:4px;}
.stat-card .sub{font-size:11.5px;color:var(--text-dim);margin-top:6px;}
.stat-card.mm2100{border-top:2px solid var(--water);}
.stat-card.usc{border-top:2px solid var(--amber);}
.neg{color:var(--danger) !important;}

.gauge-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px;}
@media(max-width:700px){.gauge-row{grid-template-columns:1fr;}}
.gauge-card{background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:18px;}
.gauge-card .g-info{flex:1;}
.gauge-card .g-info .name{font-size:13px;color:var(--text-dim);margin-bottom:4px;}
.gauge-card .g-info .reading{font-family:'IBM Plex Mono',monospace;font-size:20px;font-weight:600;}
.gauge-card .g-info .reading small{font-size:11px;color:var(--text-faint);font-family:'Inter',sans-serif;}
.gauge-card .g-info .delta{font-size:12px;margin-top:6px;color:var(--text-dim);}

.panel{background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:22px;}
.panel .panel-title{font-size:13px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center;}
/*.month-picker{background:var(--bg-deep);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:6px 10px;font-size:12.5px;}*/
.month-picker{background:var(--bg-deep);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:6px 10px;font-size:12.5px;color-scheme:dark;}
.month-picker::-webkit-calendar-picker-indicator{
  cursor:pointer;
  opacity:0.8;
}
#dash-period-label{
  display:block;
  margin-top:8px;
}

.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px 16px;}
@media(max-width:800px){.form-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.form-grid{grid-template-columns:1fr;}}
.form-grid .full{grid-column:1/-1;}
.fgroup label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:6px;}
.fgroup input, .fgroup select, .fgroup textarea{width:100%;background:var(--bg-deep);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 11px;font-size:13.5px;outline:none;}
.fgroup input:focus, .fgroup select:focus, .fgroup textarea:focus{border-color:var(--water);}
.fgroup input:disabled{opacity:.45;cursor:not-allowed;}
.fgroup .helper{font-size:10.5px;color:var(--text-faint);margin-top:5px;}
.admin-only-note{font-size:11px;color:var(--amber);margin-top:5px;}
.btn-row{display:flex;gap:10px;margin-top:18px;}
.btn{border-radius:8px;padding:11px 20px;font-size:13.5px;font-weight:600;border:1px solid var(--line);background:transparent;color:var(--text-dim);}
.btn-submit{background:var(--water);color:#03181c;border:none;}
.btn-submit:hover{background:#43d8e6;}
.btn-ghost:hover{border-color:var(--text-dim);color:var(--text);}
.form-msg{font-size:12.5px;margin-top:12px;min-height:16px;}
.form-msg.ok{color:var(--water);}
.form-msg.err{color:var(--danger);}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);}
table{width:100%;border-collapse:collapse;font-size:12.8px;min-width:1080px;}
thead th{text-align:left;padding:11px 12px;background:var(--bg-panel-2);color:var(--text-faint);font-weight:600;text-transform:uppercase;font-size:10.5px;letter-spacing:.05em;border-bottom:1px solid var(--line);position:sticky;top:0;}
thead th:last-child, tbody td:last-child{padding-right:22px;}
tbody td{padding:10px 12px;border-bottom:1px solid var(--line-soft);color:var(--text-dim);white-space:nowrap;}
tbody tr:hover{background:rgba(47,198,214,0.04);}
tbody td.strong{color:var(--text);font-family:'IBM Plex Mono',monospace;}
thead th.col-mm{background:#3B5BDB;color:#fff;}
thead th.col-usc{background:#0F5C46;color:#fff;}
tbody td.col-mm{background:rgba(59,91,219,0.12);}
tbody td.col-usc{background:rgba(22,163,74,0.12);}

/* Sembunyikan kolom USC Awal/Akhir/Selisih khusus di tabel Riwayat.
   Data USC tetap tersimpan & tetap muncul saat Ekspor ke Excel,
   karena export_excel.php mengambil data langsung dari database,
   bukan dari tabel HTML ini. */
#riwayat-table .col-usc{display:none;}

.pill{display:inline-block;min-width:52px;text-align:center;padding:4px 14px;border-radius:20px;font-weight:700;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#fff;}
.pill-mm{background:#16A34A;}
.pill-usc{background:#16A34A;}
.pill-neg{background:var(--danger);}

.row-actions .btn-edit, .row-actions .btn-del{
  border:none;border-radius:14px;padding:5px 13px;font-size:11.5px;font-weight:600;color:#fff;margin-right:6px;
}
.row-actions .btn-edit{background:#3B5BDB;}
.row-actions .btn-edit:hover{background:#2f4bc0;}
.row-actions .btn-del{background:var(--danger);margin-right:0;}
.row-actions .btn-del:hover{background:#c9463c;}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10.5px;background:var(--water-dim);color:#cdf5f9;}
.badge.warn{background:#5a3d16;color:var(--amber);}
.badge.danger{background:#4a2320;color:var(--danger);}
.row-actions button{background:none;border:none;color:var(--text-faint);font-size:12px;margin-right:8px;padding:2px;}
.row-actions button:hover{color:var(--water);}
.row-actions button.del:hover{color:var(--danger);}
.empty-state{padding:40px 20px;text-align:center;color:var(--text-faint);font-size:13px;}

.chart-wrap{width:100%;overflow-x:auto;}
svg.chart{display:block;}
.legend{display:flex;gap:18px;margin-top:10px;font-size:11.5px;color:var(--text-dim);}
.legend span{display:inline-flex;align-items:center;gap:6px;}
.legend i{width:10px;height:10px;border-radius:2px;display:inline-block;}

.filter-bar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap;}
.filter-bar select, .filter-bar input{background:var(--bg-deep);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 10px;font-size:12.5px;}

.modal-overlay{position:fixed;inset:0;background:rgba(5,15,19,0.7);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.show{display:flex;}
.modal{background:var(--bg-panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;width:100%;max-width:460px;max-height:90vh;overflow:auto;}
.modal h3{margin:0 0 16px;font-size:16px;}
.footer-note{text-align:center;color:var(--text-faint);font-size:11px;padding:20px 0 6px;}