/* ===================================================================
   WARNA UTAMA - ganti nilai di sini untuk mengubah seluruh tema warna
   =================================================================== */
:root {
  --warna-primer: #ff8a3d;        /* oranye ceria untuk aksen utama */
  --warna-sekunder: #3ddc97;      /* hijau mint */
  --warna-biru: #4d9de0;          /* biru muda */

  --warna-bg-gradasi: linear-gradient(135deg, #eef5ff 0%, #f4fff9 100%);
  --warna-card: #ffffff;
  --warna-teks: #24313f;
  --warna-teks-lemah: #7b8a99;
  --warna-border: #e5ecf3;

  --warna-dingin: #4d9de0;   /* suhu dingin */
  --warna-normal: #3ddc97;   /* suhu normal */
  --warna-panas: #ff5c5c;    /* suhu panas */

  --warna-kering: #f4c542;        /* kelembapan kering */
  --warna-lembap-normal: #4d9de0; /* kelembapan normal */
  --warna-lembap-tinggi: #a367e0; /* kelembapan tinggi */

  --warna-online: #3ddc97;
  --warna-offline: #ff5c5c;

  --radius-besar: 24px;
  --radius-sedang: 16px;
  --shadow-card: 0 8px 24px rgba(36, 49, 63, 0.08);
  --font-utama: 'Baloo 2', 'Quicksand', system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-utama);
  background: var(--warna-bg-gradasi);
  color: var(--warna-teks);
  min-height: 100vh;
  padding-bottom: 40px;
}

a { color: var(--warna-biru); }
a:hover { color: var(--warna-primer); }

.kontainer {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* animasi fade-in sederhana supaya halaman terasa hidup saat dibuka */
@keyframes muncul {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.header, .alert-banner, .kartu-suhu, .kartu-lembap, .kartu-grafik, .kartu-status-ruangan, .kartu-edukasi {
  animation: muncul 0.6s ease both;
}

/* ===================================================================
   BAGIAN: HEADER
   =================================================================== */
.header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  padding: 20px 26px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.judul-dashboard { display: flex; align-items: center; gap: 12px; }
.judul-dashboard .logo-emoji { font-size: 40px; line-height: 1; }
.judul-dashboard h1 { margin: 0; font-size: 24px; font-weight: 800; }
.judul-dashboard p { margin: 2px 0 0; font-size: 14px; color: var(--warna-teks-lemah); }

.header-kanan { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.status-koneksi { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; }

.dot-status {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--warna-online);
  position: relative;
}

.dot-status::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: inherit;
  animation: denyut 1.6s ease-out infinite;
}

@keyframes denyut {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(2.6); opacity: 0; }
}

.jam-realtime {
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: #f4f7fb;
  border: 1px solid var(--warna-border);
  padding: 7px 16px;
  border-radius: 999px;
}

/* ===================================================================
   BAGIAN: ALERT / NOTIFIKASI
   =================================================================== */
.alert-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff1e6;
  border: 1px solid #ffd0a8;
  color: #a3450a;
  padding: 16px 22px;
  border-radius: var(--radius-sedang);
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 15px;
}
.alert-banner .alert-emoji { font-size: 24px; }

/* ===================================================================
   BAGIAN: KARTU SUHU & KARTU KELEMBAPAN
   Ganti angka di HTML (.angka-besar) dan gauge otomatis mengikuti CSS
   variabel --persen-suhu / --persen-lembap yang kamu atur di style inline.
   =================================================================== */
.grid-kartu-utama {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 760px) {
  .grid-kartu-utama { grid-template-columns: 1fr; }
}

.kartu-suhu, .kartu-lembap {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 26px;
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kartu-suhu:hover, .kartu-lembap:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(36, 49, 63, 0.14);
}

.gauge-wrap { position: relative; width: 140px; height: 140px; flex-shrink: 0; }
.gauge-wrap svg { transform: rotate(-90deg); }
.gauge-track { fill: none; stroke: var(--warna-border); stroke-width: 13; }
.gauge-nilai { fill: none; stroke-width: 13; stroke-linecap: round; }
.gauge-tengah {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.info-sensor { flex: 1; min-width: 150px; }
.info-sensor .label-sensor {
  font-size: 15px;
  font-weight: 700;
  color: var(--warna-teks-lemah);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.angka-besar { font-size: 48px; font-weight: 800; line-height: 1.1; margin: 6px 0 8px; }
.angka-besar .satuan { font-size: 24px; font-weight: 700; color: var(--warna-teks-lemah); }

.status-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  color: #fff;
}

/* ===================================================================
   BAGIAN: GRAFIK RIWAYAT SEDERHANA (bar chart pakai CSS saja, tanpa JS)
   Ganti tinggi setiap bar lewat "style" di HTML (height: ..%)
   =================================================================== */
.kartu-grafik {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 26px;
  margin-bottom: 24px;
}

.kartu-grafik h2 { margin: 0 0 6px; font-size: 19px; font-weight: 800; }
.kartu-grafik .keterangan { margin: 0 0 16px; font-size: 13px; color: var(--warna-teks-lemah); }

.legenda-grafik {
  display: flex;
  gap: 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--warna-teks-lemah);
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.legenda-grafik span { display: flex; align-items: center; gap: 6px; }
.kotak-legenda { width: 12px; height: 12px; border-radius: 4px; }

.area-grafik {
  height: 200px;
  border-bottom: none;
  padding: 0 4px;
}

.garis-grafik { width: 100%; height: 170px; display: block; overflow: visible; }

.label-waktu-baris {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  padding: 0 4px;
}
.label-waktu-baris span { font-size: 11px; color: var(--warna-teks-lemah); }

/* ===================================================================
   BAGIAN: KOTAK STATUS RUANGAN (pengganti kontrol Fan)
   =================================================================== */
.kartu-status-ruangan {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 26px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.emoji-status-ruangan { font-size: 56px; line-height: 1; }
.teks-status-ruangan strong { display: block; font-size: 20px; font-weight: 800; margin-bottom: 4px; }
.teks-status-ruangan span { font-size: 14px; color: var(--warna-teks-lemah); }

/* ===================================================================
   BAGIAN: PANEL EDUKASI (pakai <details><summary> - tanpa JS)
   =================================================================== */
.kartu-edukasi {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 22px 26px;
  margin-bottom: 24px;
}

.kartu-edukasi summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
  list-style: none;
}
.kartu-edukasi summary::-webkit-details-marker { display: none; }
.kartu-edukasi summary::after {
  content: "▾";
  float: right;
  color: var(--warna-teks-lemah);
  transition: transform 0.25s ease;
}
.kartu-edukasi[open] summary::after { transform: rotate(180deg); }

.edukasi-isi {
  padding-top: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.edukasi-poin {
  background: #f4f7fb;
  border-radius: var(--radius-sedang);
  padding: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--warna-teks-lemah);
}
.edukasi-poin strong { display: block; color: var(--warna-teks); font-size: 15px; margin-bottom: 6px; }

/* ===================================================================
   BAGIAN: KOTAK KOSONG UNTUK EKSPLORASI SISWA
   =================================================================== */
.kotak-kosong {
  background: var(--warna-card);
  border: 2px dashed var(--warna-border);
  border-radius: var(--radius-besar);
  padding: 22px 26px;
  margin-bottom: 24px;
  color: var(--warna-teks-lemah);
  font-size: 14px;
  min-height: 40px;
}

.footer-catatan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--warna-teks-lemah);
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--warna-border);
}
.footer-catatan .titik-pemisah {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--warna-teks-lemah);
  flex-shrink: 0;
}