:root {
  --bg: #f1f6f7;
  --surface: #ffffff;
  --surface-2: #e8f0f2;
  --text: #0f2329;
  --text-muted: #56707a;
  --border: #d3e0e4;
  --primary: #0e6e7a;
  --primary-strong: #0a5761;
  --primary-soft: #e2f1f3;
  --baik: #15803d;
  --baik-soft: #dcfce7;
  --baik-isi: #16a34a;
  --waspada: #92400e;
  --waspada-soft: #fef3c7;
  --buruk: #b91c1c;
  --buruk-soft: #fee2e2;
  --info: #1d4ed8;
  --info-soft: #dbeafe;
  --netral: #475569;
  --netral-soft: #e2e8f0;
  --radius: 14px;
  --tepi: clamp(16px, 2.2vw, 36px);
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 6px 20px rgb(0 0 0 / 0.06);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  font-size: 15px;
  line-height: 1.45;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
}

.angka,
code,
.mono {
  font-variant-numeric: tabular-nums;
}

.mono {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.86em;
}

.muted {
  color: var(--text-muted);
}

.kecil {
  font-size: 0.85rem;
}

/* ---------- tata letak: sidebar kiri + isi selebar layar ---------- */
.tata {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 100vh;
}

.sisi {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px 14px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.merek {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 6px;
}

.merek small {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.logo {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
}

.menu {
  display: grid;
  gap: 2px;
}

.menu a {
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.menu a:hover {
  background: var(--surface-2);
}

.menu a.aktif {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.kendali {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.status-broker {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.status-broker .titik,
.titik-status {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--netral-soft);
  border: 2px solid #94a3b8;
}

.status-broker.ok .titik {
  background: var(--baik-isi);
  border-color: var(--baik-isi);
}

.status-broker.galat .titik {
  background: var(--buruk);
  border-color: var(--buruk);
}

.atas,
.tirai {
  display: none;
}

.isi {
  min-width: 0;
  padding: 24px var(--tepi) 48px;
}

@media (max-width: 900px) {
  .tata {
    grid-template-columns: minmax(0, 1fr);
  }
  .atas {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }
  .status-mini {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
  }
  .sisi {
    position: fixed;
    z-index: 40;
    left: 0;
    width: 270px;
    transform: translateX(-100%);
    transition: transform 0.2s;
  }
  .sisi.buka {
    transform: none;
    box-shadow: var(--shadow);
  }
  .tirai.buka {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 30;
    background: rgb(0 0 0 / 0.3);
  }
  .isi {
    padding-top: 16px;
  }
}

/* ---------- komponen ---------- */
.kepala {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.kepala p {
  margin: 4px 0 0;
}

.baris {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.kartu {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.tombol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--primary);
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.tombol:hover {
  background: var(--primary-strong);
}

.tombol:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.tombol.garis {
  background: var(--surface);
  color: var(--primary-strong);
  border-color: var(--border);
}

.tombol.garis:hover {
  background: var(--surface-2);
}

.tombol.bahaya {
  background: var(--surface);
  color: var(--buruk);
  border-color: #fecaca;
}

.tombol.kecil {
  min-height: 32px;
  padding: 0 10px;
  font-size: 0.85rem;
}

.tombol.ikon {
  width: 38px;
  padding: 0;
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.tombol.jalan {
  min-height: 46px;
  font-size: 1rem;
}

.tombol.jalan.henti {
  background: var(--buruk);
  border-color: var(--buruk);
}

.pesan {
  margin: 0 0 16px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--info-soft);
  color: var(--info);
}

.pesan.peringatan {
  background: var(--waspada-soft);
  color: var(--waspada);
}

.lencana {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  background: var(--netral-soft);
  color: var(--netral);
}

.lencana.online,
.lencana.aman,
.lencana.kirim {
  background: var(--baik-soft);
  color: var(--baik);
}

.lencana.menyambung,
.lencana.waspada {
  background: var(--waspada-soft);
  color: var(--waspada);
}

.lencana.tidur,
.lencana.terima,
.lencana.info {
  background: var(--info-soft);
  color: var(--info);
}

.lencana.tindakan,
.lencana.galat {
  background: var(--buruk-soft);
  color: var(--buruk);
}

/* ---------- daftar alat ---------- */
.kisi-alat {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: 14px;
}

.alat {
  display: grid;
  gap: 12px;
  align-content: start;
}

.alat.nonaktif {
  opacity: 0.6;
}

.alat-kepala {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.alat-kepala h3 {
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.alat-kepala p {
  margin: 2px 0 0;
}

.nilai {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.nilai div {
  padding: 7px 8px;
  border-radius: 10px;
  background: var(--surface-2);
  min-width: 0;
}

.nilai small {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.nilai b {
  display: block;
  font-size: 1.02rem;
  white-space: nowrap;
}

/* satuan di bawah angka supaya "65,6 mg/L" tidak terpotong di kartu sempit */
.nilai b span {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-muted);
}

@media (max-width: 420px) {
  .nilai {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* saklar */
.saklar {
  position: relative;
  flex: none;
  width: 44px;
  height: 26px;
}

.saklar input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.saklar span {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: #cbd5e1;
  transition: background 0.15s;
  pointer-events: none;
}

.saklar span::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgb(0 0 0 / 0.25);
  transition: transform 0.15s;
}

.saklar input:checked + span {
  background: var(--baik-isi);
}

.saklar input:checked + span::after {
  transform: translateX(18px);
}

.saklar input:focus-visible + span {
  outline: 3px solid var(--primary-soft);
  outline-offset: 2px;
}

/* ---------- formulir ---------- */
.kisi-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr));
  gap: 14px;
  align-items: start;
}

.kolom {
  display: grid;
  gap: 12px;
}

label.isian {
  display: grid;
  gap: 4px;
  font-size: 0.88rem;
  font-weight: 600;
}

label.isian small {
  font-weight: 400;
  color: var(--text-muted);
}

.input {
  width: 100%;
  min-height: 38px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.input:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.dua {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: end; /* isian berketerangan tidak menggeser kotak isian sebelahnya */
  gap: 10px;
}

@media (max-width: 560px) {
  .dua {
    grid-template-columns: minmax(0, 1fr);
  }
}

.centang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.tabel-sensor {
  width: 100%;
  border-collapse: collapse;
}

.tabel-sensor th,
.tabel-sensor td {
  padding: 5px 4px;
  text-align: left;
  font-size: 0.86rem;
}

.tabel-sensor th {
  color: var(--text-muted);
  font-weight: 600;
}

.tabel-sensor td:first-child {
  font-weight: 600;
  white-space: nowrap;
}

fieldset {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: grid;
  gap: 10px;
  min-width: 0;
}

legend {
  padding: 0 6px;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- dialog ---------- */
.dialog {
  width: min(720px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 0;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgb(0 0 0 / 0.25);
}

.dialog::backdrop {
  background: rgb(15 35 41 / 0.45);
}

.dialog form {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.dialog .kaki {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 4px;
}

/* ---------- log ---------- */
.log {
  display: grid;
  gap: 0;
  padding: 0;
  overflow: hidden;
}

.log-baris {
  display: grid;
  grid-template-columns: 76px 74px minmax(0, 180px) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 7px 14px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.log-baris:first-child {
  border-top: 0;
}

.log-baris details {
  min-width: 0;
}

.log-baris summary {
  cursor: pointer;
  list-style: none;
  overflow-wrap: anywhere;
}

.log-baris summary::-webkit-details-marker {
  display: none;
}

.log-baris pre {
  margin: 6px 0 0;
  padding: 8px;
  border-radius: 8px;
  background: var(--surface-2);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
}

@media (max-width: 700px) {
  .log-baris {
    grid-template-columns: 64px minmax(0, 1fr);
  }
  .log-baris .log-alat {
    grid-column: 1 / -1;
    font-weight: 600;
  }
  .log-baris .log-jenis {
    grid-row: 1;
    grid-column: 2;
  }
  .log-baris details {
    grid-column: 1 / -1;
  }
}

.filter button.aktif {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-strong);
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 100;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: #fff;
  font-size: 0.9rem;
  transform: translate(-50%, 20px);
  opacity: 0;
  visibility: hidden;
  transition:
    transform 0.2s,
    opacity 0.2s,
    visibility 0.2s;
}

.toast.tampil {
  transform: translate(-50%, 0);
  opacity: 1;
  visibility: visible;
}

.toast.galat {
  background: var(--buruk);
}

/* ---------- halaman masuk ---------- */
.hal-masuk main {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 16px;
}

.masuk {
  display: grid;
  gap: 14px;
  width: min(380px, 100%);
  padding: 24px;
}

.masuk .merek {
  padding: 0;
}

.masuk h1 {
  font-size: 1.3rem;
}

.masuk .pesan {
  margin: 0;
}

.masuk .tombol {
  min-height: 44px;
}

/* ---------- akun di sidebar ---------- */
.pengguna {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.tautan {
  padding: 0;
  border: 0;
  background: none;
  color: var(--primary-strong);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.tautan:hover {
  text-decoration: underline;
}