:root {
  --card: #164a63;
  --text: #e9f1f7;
  --text-dim: #a9c1cf;
  --accent: #7fd0ff;
  --shadow-1: 0 14px 28px rgba(0,0,0,.35);
  --shadow-in: inset 0 1px 0 rgba(255,255,255,.06),
               inset 0 -1px 0 rgba(0,0,0,.25);
  --radius: 22px;
  --bg-base: #082230;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: Inter, system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at top, #0e3950 0%, #0a2a3b 45%, var(--bg-base) 100%) no-repeat fixed,
    var(--bg-base);
  background-size: cover;
  overflow-x: hidden;
}

/* ===== Header ===== */
.header {
  text-align: center;
  padding: 20px 10px;
  border-bottom: 2px solid rgba(11,141,148,.45);
}
.title { font-weight: 800; font-size: 28px; letter-spacing: .2px; }
.subtitle { color: var(--text-dim); font-size: 15px; margin-top: 4px; }

/* ===== Grid utama =====
   Default: 2 kolom (biar HP juga 2 kolom seperti mockup)
   - Kiri: tombol (lebih lebar)
   - Kanan: info (lebih sempit)
*/
.cards {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 12px 60px;
  width: 100%;
}

/* Kiri: 2 tombol bertumpuk */
.left-col { display: grid; gap: 20px; }

/* Tombol besar — tinggi diseragamkan untuk rapi */
.btn-card{
  display: grid; place-items: center; text-align: center;
  font-weight: 800; font-size: clamp(18px, 2.2vw, 26px);
  line-height: 1.1; color:#fff; background:#e53935;
  border:none; border-radius:28px;
  height: 300px;              /* <<< tinggi konsisten di desktop */
  padding: 10px 16px;
  box-shadow: var(--shadow-1);
  outline: 1px solid rgba(0,0,0,.25);
  cursor: pointer;
}
.btn-card:active{ transform: scale(.985); }
.btn-card.on  { background:#16a34a; }
.btn-card.off { background:#e53935; }


/* Kanan: 3 kartu info vertikal */
.right-col{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* ===== Kartu umum ===== */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.12)), var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 18px;
  position: relative;
  outline: 1px solid rgba(255,255,255,.05);
  display: flex;              /* supaya konten rata vertikal rapi */
  flex-direction: column;
  justify-content: space-between;
}
.card::after{
  content:""; position:absolute; inset:0; border-radius:var(--radius);
  box-shadow:var(--shadow-in); pointer-events:none;
}

.label{ display:flex; align-items:center; gap:10px; font-weight:700; }
.label small{ display:block; color:var(--text-dim); font-weight:600; margin-top:4px; }

.value{ font-weight:800; font-size: 36px; margin-top: 8px; }
.value.small{ font-size: 32px; }

.ico{
  width:34px; height:34px; display:grid; place-items:center;
  border-radius:12px; background:rgba(255,255,255,.08); flex:0 0 34px;
}
.ico svg{ width:22px; height:22px; }
.ico path{ fill: var(--accent); }

/* ===== Tinggi khusus info kanan (biar sejajar & rapi) ===== */
.info-jarak{ min-height: 140px; }  /* kartu jarak lebih tinggi */
.info-mini{ min-height: 100px; padding: 16px 18px; }

/* ===== Responsif ===== */
/* Layar sangat sempit (<=379px): fallback 1 kolom */
@media (max-width: 379px){
  .cards{
    grid-template-columns: 1fr;
    gap: 14px;
    padding-bottom: 40px;
  }
  .left-col{ gap: 16px; }
  .btn-card{ height: 150px; }      /* sedikit lebih pendek di HP kecil */
  .info-jarak{ min-height: 120px; }
  .info-mini{ min-height: 92px; }
  .value{ font-weight:800; font-size: 36px; }
}

/* Tablet/desktop (>=768px) – tetap 2 kolom 2fr|1fr sesuai sebelumnya */
@media (min-width: 768px){
  .cards{
    grid-template-columns: 2fr 1fr;
  }
  .value{ font-weight:800; font-size: 36px; }
}

/* ===== Footer ===== */
.footer{
  text-align:center; color:var(--text-dim); font-size:13px;
  margin-top:auto; margin-bottom:40px;
}