/* style.css — satu berkas, tanpa framework.
   Dioptimalkan untuk HP dulu: tombol besar, kontras tinggi, teks jelas. */

:root {
  --bg: #f4f5f7;
  --kartu: #ffffff;
  --teks: #1c2024;
  --redup: #6b7280;
  --garis: #e3e6ea;
  --biru: #2563eb;
  --hijau: #15803d;
  --hijau-bg: #eaf7ee;
  --merah: #b91c1c;
  --merah-bg: #fdecec;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 3rem;
  background: var(--bg);
  color: var(--teks);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

/* --- Navigasi --- */

nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-wrap: wrap;
  padding: 0.7rem 1rem;
  background: var(--kartu);
  border-bottom: 1px solid var(--garis);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav strong { margin-right: 0.3rem; }

nav a {
  color: var(--redup);
  text-decoration: none;
  font-size: 0.94rem;
  padding: 0.25rem 0;
}

nav a.aktif {
  color: var(--biru);
  font-weight: 600;
  border-bottom: 2px solid var(--biru);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.1rem 1rem;
}

h1 { font-size: 1.4rem; margin: 0.2rem 0 1rem; }
h2 { font-size: 1.05rem; margin: 0 0 0.7rem; }

/* --- Judul halaman + navigasi bulan --- */

.judul-halaman {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.nav-bulan { display: flex; gap: 0.8rem; }
.nav-bulan a { color: var(--biru); text-decoration: none; font-size: 0.92rem; }

/* --- Kartu ringkasan --- */

.ringkasan {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}

.kartu {
  background: var(--kartu);
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.kartu span { font-size: 0.78rem; color: var(--redup); text-transform: uppercase; letter-spacing: 0.03em; }
.kartu strong { font-size: 1.15rem; }
.kartu.surplus strong { color: var(--hijau); }
.kartu.kurang strong { color: var(--merah); }

/* --- Daftar pembayaran --- */

.daftar-bayar {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.daftar-bayar li {
  background: var(--kartu);
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.daftar-bayar li.lunas { border-color: #bfe3c9; background: var(--hijau-bg); }

.info { display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; }
.info small { color: var(--redup); font-size: 0.82rem; }
.aksi { display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }

/* --- Badge --- */

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--garis);
  color: var(--redup);
  width: fit-content;
}

.lunas-badge { background: #cdebd6; color: var(--hijau); font-weight: 600; }

/* --- Peringatan --- */

.peringatan {
  background: var(--merah-bg);
  color: var(--merah);
  border: 1px solid #f3c9c9;
  border-radius: var(--radius);
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.peringatan a { color: var(--merah); }

.flash {
  border-radius: var(--radius);
  padding: 0.6rem 0.85rem;
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.flash.sukses { background: var(--hijau-bg); color: var(--hijau); border: 1px solid #bfe3c9; }
.flash.galat { background: var(--merah-bg); color: var(--merah); border: 1px solid #f3c9c9; }

.kosong { color: var(--redup); font-size: 0.92rem; }
.petunjuk { color: var(--redup); font-size: 0.85rem; margin: 0 0 0.8rem; }

/* --- Panel & form --- */

.panel {
  background: var(--kartu);
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.7rem;
}

.form-grid .lebar { grid-column: 1 / -1; }

label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.85rem; color: var(--redup); }

input, select {
  font: inherit;
  font-size: 16px; /* <16px bikin iOS auto-zoom saat fokus */
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--garis);
  border-radius: 8px;
  background: #fff;
  color: var(--teks);
  width: 100%;
}

input:focus, select:focus { outline: 2px solid var(--biru); outline-offset: -1px; }

/* --- Tombol --- */

button, .tombol {
  font: inherit;
  font-size: 0.92rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--garis);
  border-radius: 8px;
  background: #fff;
  color: var(--teks);
  cursor: pointer;
}

button:hover { border-color: #c9ced6; }
button:disabled { opacity: 0.5; cursor: default; }

button.utama { background: var(--biru); border-color: var(--biru); color: #fff; font-weight: 600; }
button.utama:hover { background: #1d4ed8; }

button.kecil { font-size: 0.85rem; padding: 0.4rem 0.7rem; white-space: nowrap; }

button.batal, a.kecil {
  font-size: 0.85rem;
  padding: 0.4rem 0.7rem;
  text-decoration: none;
  color: var(--redup);
  background: #fff;
  border: 1px solid var(--garis);
  border-radius: 8px;
  display: inline-block;
}

button.batal:hover { color: var(--merah); border-color: #f3c9c9; }
a.kecil:hover { border-color: #c9ced6; }

button.tautan {
  background: none;
  border: none;
  color: var(--redup);
  font-size: 0.94rem;
  padding: 0.25rem 0;
  cursor: pointer;
}

button.tautan:hover { color: var(--merah); }

form.inline { display: inline; margin: 0; }

/* --- Tabel --- */

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }

th {
  text-align: left;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--redup);
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--garis);
}

td { padding: 0.55rem 0.5rem; border-bottom: 1px solid var(--garis); vertical-align: middle; }
td small { color: var(--redup); display: block; }
tr.nonaktif td { opacity: 0.55; }
td.aksi { text-align: right; white-space: nowrap; }

.pilih-tetangga { margin-bottom: 1rem; }

/* --- Login --- */

body.tengah {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.kartu-login {
  background: var(--kartu);
  border: 1px solid var(--garis);
  border-radius: var(--radius);
  padding: 1.5rem;
  width: 100%;
  max-width: 340px;
  margin: 0;
}

.kartu-login h1 { text-align: center; }
.kartu-login form { display: flex; flex-direction: column; gap: 0.8rem; }

@media (max-width: 420px) {
  .daftar-bayar li { flex-direction: column; align-items: stretch; }
  .aksi { justify-content: flex-end; }
  .ringkasan { grid-template-columns: 1fr 1fr; }
}