/* ===================================================================
   VARIABEL WARNA & UKURAN (CSS Variables)
   Ubah nilai di sini untuk re-theming seluruh dashboard
   =================================================================== */
:root {
  --warna-primer: #ff8a3d;        /* oranye ceria - aksen utama */
  --warna-sekunder: #3ddc97;      /* hijau mint */
  --warna-biru: #4d9de0;          /* biru muda */

  --warna-bg: #f4f7fb;
  --warna-bg-gradasi: linear-gradient(135deg, #eef5ff 0%, #f4fff9 100%);
  --warna-card: #ffffff;
  --warna-teks: #24313f;
  --warna-teks-lemah: #7b8a99;
  --warna-border: #e5ecf3;

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

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

  /* Warna status koneksi & fan */
  --warna-online: #3ddc97;
  --warna-offline: #ff5c5c;
  --warna-fan-aktif: #ff8a3d;
  --warna-fan-mati: #b7c3cf;

  --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;
}

/* ===================================================================
   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: 18px 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.header-judul {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-judul .logo-emoji { font-size: 36px; line-height: 1; }
.header-judul h1 { margin: 0; font-size: 22px; font-weight: 800; }
.header-judul p { margin: 2px 0 0; font-size: 13px; 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: 14px;
}

.dot-status {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--warna-online);
  position: relative;
}

.dot-status.offline { background: var(--warna-offline); }

.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: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  background: var(--warna-bg);
  border: 1px solid var(--warna-border);
  padding: 6px 14px;
  border-radius: 999px;
}

/* ===================================================================
   BAGIAN: ALERT / NOTIFIKASI
   =================================================================== */
.alert-banner {
  display: none;
  align-items: center;
  gap: 12px;
  background: #fff1e6;
  border: 1px solid #ffd0a8;
  color: #a3450a;
  padding: 14px 20px;
  border-radius: var(--radius-sedang);
  margin-bottom: 24px;
  font-weight: 700;
  font-size: 14px;
}

.alert-banner.tampil { display: flex; }
.alert-banner .alert-emoji { font-size: 22px; }

/* ===================================================================
   BAGIAN: KARTU DATA UTAMA (Suhu & Kelembapan)
   =================================================================== */
.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-sensor {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  flex-wrap: wrap;
}

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

.ikon-sensor {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--warna-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
}

.kartu-info-sensor { flex: 1; min-width: 140px; }

.kartu-info-sensor .label-sensor {
  font-size: 14px;
  font-weight: 700;
  color: var(--warna-teks-lemah);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.angka-besar {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.1;
  margin: 4px 0 6px;
}

.angka-besar .satuan { font-size: 22px; font-weight: 700; color: var(--warna-teks-lemah); }

.status-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  color: #fff;
}

/* ===================================================================
   BAGIAN: KONTROL FAN
   =================================================================== */
.kartu-fan {
  background: var(--warna-card);
  border-radius: var(--radius-besar);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin-bottom: 24px;
}

.kartu-fan h2 { margin: 0 0 16px; font-size: 18px; font-weight: 800; }

.tombol-fan-besar {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--warna-bg);
  border: 2px solid var(--warna-border);
  border-radius: var(--radius-sedang);
  padding: 18px 22px;
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}

.tombol-fan-besar.nyala {
  background: linear-gradient(135deg, #fff1e6, #ffe4cf);
  border-color: var(--warna-fan-aktif);
}

.ikon-fan {
  font-size: 46px;
  display: inline-block;
}

.ikon-fan.berputar {
  animation: putarFan 0.9s linear infinite;
}

@keyframes putarFan {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.fan-teks strong { display: block; font-size: 17px; font-weight: 800; }
.fan-teks span { font-size: 13px; color: var(--warna-teks-lemah); }

.switch-fan {
  width: 58px;
  height: 32px;
  border-radius: 999px;
  background: var(--warna-fan-mati);
  position: relative;
  margin-left: auto;
  transition: background 0.25s ease;
  flex-shrink: 0;
}

.switch-fan.nyala { background: var(--warna-fan-aktif); }

.switch-fan .knop {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  transition: left 0.25s ease;
}

.switch-fan.nyala .knop { left: 29px; }

/* Kotak kosong untuk section yang belum kamu isi - hapus style ini
   kalau sudah tidak dibutuhkan */
.kartu-kosong {
  background: var(--warna-card);
  border: 2px dashed var(--warna-border);
  border-radius: var(--radius-besar);
  padding: 20px 24px;
  margin-bottom: 24px;
  color: var(--warna-teks-lemah);
  font-size: 13px;
  min-height: 40px;
}

.footer-catatan {
  text-align: center;
  font-size: 12px;
  color: var(--warna-teks-lemah);
  margin-top: 10px;
}