:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --head: #eef1f5;
  --border: #e3e7ed;
  --border-strong: #c9d0da;
  --text: #1c2430;
  --muted: #667085;
  --primary: #1f5fd6;
  --primary-hover: #1a50b5;
  --warn-bg: #fdf1e2;
  --warn-text: #8a4b08;
  --warn-border: #f4d8b4;
  /* Tema "Kalem": rak normal biru muda, warna kuat hanya untuk peringatan */
  --ok: #7ea6e8;
  --ok-bg: #eaf1fc;
  --ok-text: #1f4fa8;
  --high: #e09a2b;
  --high-bg: #fdf0de;
  --high-text: #8a4b08;
  --over: #d1342f;
  --low: #a3adbb;
  --good: #1e8e5a;
  --track: #e6e9ee;
  --radius: 8px;
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  color: var(--text);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; color: inherit; }
.hidden { display: none !important; }

/* ---------- Tombol & input ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 12px; border-radius: 6px;
  border: 1px solid var(--border-strong); background: var(--surface);
  cursor: pointer; white-space: nowrap; font-weight: 500;
}
.btn:hover { background: var(--surface-2); }
.btn.ghost { border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--text); background: var(--surface-2); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.danger { color: var(--over); border-color: #f0c5c3; }
.btn:disabled { opacity: .55; cursor: default; }
.icon-btn {
  width: 30px; height: 30px; border: 0; background: transparent; border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer; color: var(--muted);
}
.icon-btn:hover { background: var(--head); color: var(--text); }
svg.i { width: 16px; height: 16px; flex: none; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 500; font-size: 13px; }
.field input, .field select, .field textarea {
  height: 36px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--surface);
}
.field textarea { height: 180px; padding: 10px; font-family: ui-monospace, Consolas, monospace; font-size: 12px; resize: vertical; }
.field .hint { color: var(--muted); font-size: 12px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid #9db9ee; outline-offset: 1px; }

/* ---------- Layout ---------- */
.shell { max-width: 1560px; margin: 0 auto; padding: 16px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand .logo { width: 26px; height: 26px; border-radius: 6px; background: var(--primary); color: #fff; display: grid; place-items: center; }
.user-box { display: flex; align-items: center; gap: 6px; color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 14px 18px; flex-wrap: wrap; }
.card-head h1 { margin: 0; font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-head .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.period-nav { display: inline-flex; align-items: center; gap: 2px; }
.period-nav input[type=month] { border: 1px solid var(--border-strong); border-radius: 6px; height: 30px; padding: 0 6px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.banner {
  margin: 0 18px 12px; padding: 12px 16px; border-radius: var(--radius);
  background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-text); font-size: 13px;
}
.banner strong { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.banner.info { background: #eef4ff; border-color: #cddcf8; color: #24427d; }

/* ---------- Tabel ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 1100px; }
th { background: var(--head); text-align: left; font-weight: 500; font-size: 12.5px; color: #3d4756; padding: 12px; }
th.num, td.num { text-align: right; }
td { padding: 10px 12px; border-top: 1px solid var(--border); vertical-align: middle; }
tr.site-row td { background: var(--surface-2); padding: 9px 12px; }
.site-name { font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.site-meta { color: var(--muted); font-size: 12px; margin-left: 10px; }
.site-tools { display: inline-flex; margin-left: 6px; vertical-align: middle; }
.rack-code { font-weight: 500; }
.rack-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.badge-new { color: var(--primary); }
tr.rack-row:hover td { background: #fafbfd; }
.muted { color: var(--muted); }

.usage-input { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 6px; overflow: hidden; height: 34px; background: var(--surface); }
.usage-input input { width: 96px; border: 0; text-align: right; padding: 0 10px; outline: none; }
.usage-input span { width: 32px; display: grid; place-items: center; border-left: 1px solid var(--border-strong); background: var(--surface-2); color: var(--muted); font-size: 12px; }
.usage-input:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px #dbe6fb; }
.usage-input.saving { opacity: .6; }
.usage-input.saved { border-color: var(--good); }
.usage-input.error { border-color: var(--over); }

.util { display: flex; align-items: center; gap: 12px; }
.bar { position: relative; flex: 1; height: 6px; background: var(--track); border-radius: 3px; min-width: 160px; }
.bar .fill { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; }
.bar .mark { position: absolute; left: 85%; top: -5px; bottom: -5px; width: 2px; background: #2d3540; border-radius: 1px; }
.bar.small { min-width: 90px; max-width: 100px; }
.pct { width: 52px; text-align: right; font-variant-numeric: tabular-nums; }
.rec { font-size: 12px; padding: 3px 8px; border-radius: 999px; white-space: nowrap; width: 150px; text-align: center; }
.rec.none { color: var(--muted); }
.rec.ok { background: var(--ok-bg); color: var(--ok-text); }
.rec.high { background: var(--high-bg); color: var(--high-text); }
.rec.over { background: #fde8e7; color: var(--over); }
.rec.low { background: #eef0f3; color: #4f5b6b; }
.fill.ok { background: var(--ok); }
.fill.high { background: var(--high); }
.fill.over { background: var(--over); }
.fill.low { background: var(--low); }
.row-tools { white-space: nowrap; text-align: right; }
.empty { padding: 48px 16px; text-align: center; color: var(--muted); }

/* ---------- Kartu ringkasan ---------- */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 0 18px 14px; }
.kpi {
  display: flex; flex-direction: column; gap: 6px; text-align: left;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.kpi:hover { border-color: var(--border-strong); }
.kpi.active { border-color: var(--primary); box-shadow: 0 0 0 2px #dbe6fb; }
.kpi.static { cursor: default; }
.kpi.static:hover { border-color: var(--border); }
.kpi-label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.kpi-value { font-size: 24px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi-value small { font-size: 13px; font-weight: 500; color: var(--muted); }
.kpi.over .kpi-value { color: var(--over); }
.kpi.high .kpi-value { color: var(--high-text); }
.kpi-hint { font-size: 11.5px; color: var(--muted); }
.kpi-track { height: 4px; background: var(--track); border-radius: 2px; overflow: hidden; }
.kpi-track span { display: block; height: 100%; background: var(--primary); border-radius: 2px; }
.kpi .bar.small { max-width: none; min-width: 0; width: 100%; margin-top: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.over { background: var(--over); }
.dot.high { background: var(--high); }

/* ---------- Toolbar: cari & filter ---------- */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 18px 12px; flex-wrap: wrap; }
.search {
  display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px; min-width: 260px; flex: 0 1 340px;
  border: 1px solid var(--border-strong); border-radius: 6px; background: var(--surface); color: var(--muted);
}
.search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px #dbe6fb; }
.search input { border: 0; outline: none; flex: 1; min-width: 0; background: transparent; color: var(--text); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  height: 30px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: var(--surface); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; font-size: 13px;
}
.chip:hover { background: var(--surface-2); }
.chip.active { background: var(--text); border-color: var(--text); color: #fff; }
.chip-n { font-size: 11.5px; padding: 1px 6px; border-radius: 999px; background: var(--head); color: var(--muted); font-variant-numeric: tabular-nums; }
.chip.active .chip-n { background: rgba(255,255,255,.18); color: #fff; }
.link-btn { border: 0; background: none; padding: 0; margin-top: 6px; color: inherit; font-weight: 600; cursor: pointer; text-decoration: underline; display: block; }

/* ---------- Menu "Lainnya" ---------- */
.menu-wrap { position: relative; }
.menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 30; min-width: 230px; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 10px 30px rgba(16,24,40,.14);
}
.menu button {
  width: 100%; display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 0; background: none;
  border-radius: 6px; text-align: left; cursor: pointer; white-space: nowrap;
}
.menu button:hover { background: var(--surface-2); }
.menu button svg { color: var(--muted); }
.menu-sep { height: 1px; background: var(--border); margin: 4px 2px; }

/* ---------- Perubahan vs bulan lalu ---------- */
.usage-cell { display: inline-flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.delta-slot:empty { display: none; }
.delta { font-size: 11.5px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.delta.up { color: var(--high-text); }
.delta.up.big { color: var(--over); font-weight: 600; }
.delta.down { color: #4f5b6b; }
.delta.flat { color: var(--muted); }
.muted-num { color: var(--muted); font-variant-numeric: tabular-nums; }
.badge-new { font-size: 11px; font-weight: 500; padding: 1px 6px; border-radius: 4px; background: #e8effc; margin-left: 4px; }

/* ---------- Lokasi dilipat ---------- */
.chev { width: 24px; height: 24px; margin-right: 2px; vertical-align: middle; }
.chev svg { transition: transform .15s; transform: rotate(90deg); }
.site-row.collapsed .chev svg { transform: rotate(0deg); }
.site-row .site-name { cursor: pointer; user-select: none; }
.site-row.collapsed td { border-bottom: 0; }
.toolbar-left { display: flex; align-items: center; gap: 8px; flex: 0 1 460px; min-width: 0; }

/* Judul tabel tetap terlihat saat digulir */
.table-wrap { max-height: calc(100vh - 120px); overflow: auto; }
thead th { position: sticky; top: 0; z-index: 2; }

/* ---------- Modal ---------- */
.overlay { position: fixed; inset: 0; background: rgba(16, 24, 40, .45); display: grid; place-items: center; padding: 16px; z-index: 50; }
.modal { background: var(--surface); border-radius: 10px; width: 100%; max-width: 480px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.modal.wide { max-width: 860px; }
.modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px 20px; overflow: auto; }
.modal-foot { padding: 12px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }
.preview { border: 1px solid var(--border); border-radius: 6px; max-height: 280px; overflow: auto; }
.preview table { min-width: 0; font-size: 12.5px; }
.preview td, .preview th { padding: 6px 10px; }
.preview .bad { color: var(--over); }
.err-text { color: var(--over); font-size: 13px; margin-top: 8px; }
.list { border: 1px solid var(--border); border-radius: 6px; margin-bottom: 16px; }
.list-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-top: 1px solid var(--border); }
.list-row:first-child { border-top: 0; }

/* ---------- Login ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth .card { width: 100%; max-width: 380px; padding: 28px; }
.auth h1 { margin: 0 0 4px; font-size: 20px; }
.auth p { color: var(--muted); margin: 0 0 20px; }
.auth .btn { width: 100%; justify-content: center; height: 38px; }

/* ---------- Toast ---------- */
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: #1c2430; color: #fff; padding: 10px 14px; border-radius: 8px; font-size: 13px; box-shadow: 0 6px 20px rgba(0,0,0,.2); max-width: 360px; }
.toast.error { background: var(--over); }

@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .shell { padding: 8px; }
  .card-head { padding: 12px; }
  .actions .btn .lbl { display: none; }
  .kpis, .toolbar { padding-left: 12px; padding-right: 12px; gap: 8px; }
  .banner { margin-left: 12px; margin-right: 12px; }
  .toolbar-left { flex: 1 1 100%; }
  .toolbar-left .btn .lbl { display: none; }
  .search { min-width: 0; flex: 1 1 auto; }
  .chips { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
  .kpi { padding: 10px 12px; }
  .kpi-value { font-size: 20px; }

  /* Tabel → kartu per rak */
  .table-wrap { max-height: none; overflow: visible; }
  table { min-width: 0; }
  table, tbody { display: block; }
  thead { display: none; }
  tr.site-row { display: flex; flex-wrap: wrap; align-items: center; padding: 10px 12px; gap: 4px 8px; background: var(--surface-2); border-top: 1px solid var(--border); }
  tr.site-row td { display: block; padding: 0; border: 0; background: none; }
  tr.site-row .c-site { flex: 1 1 100%; }
  tr.site-row .c-site-util { flex: 1 1 100%; }
  tr.site-row .c-site-util .util { justify-content: flex-start !important; }
  .site-meta { margin-left: 4px; }
  tr.rack-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 12px; padding: 12px; border-top: 1px solid var(--border); }
  tr.rack-row:hover td { background: none; }
  tr.rack-row td { display: block; padding: 0; border: 0; text-align: left; }
  td.c-name { grid-column: 1; grid-row: 1; align-self: center; }
  td.c-name .rack-code { font-size: 15px; }
  td.c-tools { grid-column: 2; grid-row: 1; justify-self: end; }
  td.c-sub, td.c-prev { font-size: 13px; }
  td.c-sub::before, td.c-prev::before, td.c-usage::before {
    content: attr(data-label); display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 2px;
  }
  td.c-usage { grid-column: 1 / -1; }
  td.c-usage .usage-cell { display: flex; flex-direction: row; align-items: center; gap: 10px; width: 100%; }
  td.c-usage .usage-input { flex: 1; height: 42px; }
  td.c-usage .usage-input input { width: 100%; font-size: 16px; }
  td.util-cell { grid-column: 1 / -1; }
  .util { flex-wrap: wrap; gap: 6px 10px; }
  .util .bar { flex: 1 1 calc(100% - 72px); min-width: 0; }
  .util .rec { width: auto; }
  td.empty { display: block; }
}