/* =====================================================================
   Halaman isolir — gaya bawaan SmartISP.

   Sengaja TANPA font eksternal, tanpa pustaka ikon, tanpa CDN: halaman ini
   dibuka justru ketika sambungan pelanggan sedang dibatasi, jadi apa pun
   yang harus diunduh dari domain lain berisiko tak pernah sampai.

   Ganti warna? Cukup ubah blok :root di bawah.
   ===================================================================== */
:root {
    --utama:      #d92d20;   /* merah peringatan — warna utama halaman */
    --utama-tua:  #a42016;
    --wa:         #25d366;
    --wa-tua:     #1da851;
    --teks:       #1f2430;
    --teks-lembut:#5b6478;
    --garis:      #e4e7ee;
    --latar:      #f5f6fa;
    --kartu:      #ffffff;
    --radius:     14px;
    --bayang:     0 2px 14px rgba(20, 25, 40, .07);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--latar);
    color: var(--teks);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

.wrap { width: 100%; max-width: 720px; margin: 0 auto; padding: 0 18px; }

/* ---------------- Topbar ---------------- */
.topbar { background: #fff; border-bottom: 1px solid var(--garis); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.02rem; }
.brand img { height: 34px; width: auto; max-width: 150px; object-fit: contain; }

/* ---------------- Hero ---------------- */
.hero {
    background: linear-gradient(160deg, var(--utama) 0%, var(--utama-tua) 100%);
    color: #fff;
    padding: 42px 0 46px;
    text-align: center;
}
.hero-ikon {
    width: 84px; height: 84px; margin: 0 auto 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, .16);
}
.hero h1 { margin: 0 0 12px; font-size: 1.6rem; line-height: 1.3; font-weight: 800; }
.hero-sub { margin: 0 auto; max-width: 520px; font-size: .98rem; opacity: .95; }
.hero-aksi { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 22px; }

/* ---------------- Tombol ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 20px;
    border: 0; border-radius: 10px;
    font: inherit; font-weight: 700; font-size: .95rem;
    text-decoration: none; cursor: pointer;
    transition: transform .12s ease, filter .12s ease;
}
.btn:active { transform: translateY(1px); }
.btn:hover { filter: brightness(1.06); }
.btn-sm { padding: 8px 14px; font-size: .85rem; }
.btn-utama  { background: var(--utama); color: #fff; }
.btn-terang { background: #fff; color: var(--utama-tua); }
.btn-wa     { background: var(--wa); color: #fff; }
.btn-garis  { background: transparent; color: var(--teks); border: 1.5px solid var(--garis); }

/* ---------------- Kartu ---------------- */
.bayar { padding: 30px 0 46px; }
.kartu {
    background: var(--kartu);
    border: 1px solid var(--garis);
    border-radius: var(--radius);
    box-shadow: var(--bayang);
    padding: 22px;
    margin-bottom: 18px;
}
.kartu h2 { margin: 0 0 6px; font-size: 1.18rem; font-weight: 800; }
.kartu h3.sub { margin: 22px 0 10px; font-size: .95rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--teks-lembut); }
.kartu-sub { margin: 0 0 14px; color: var(--teks-lembut); font-size: .92rem; }

.langkah { margin: 6px 0 0; padding-left: 20px; }
.langkah li { margin-bottom: 7px; }

/* ---------------- Kotak cek tagihan ---------------- */
.cek-baris { display: flex; gap: 8px; flex-wrap: wrap; }
.cek-baris input {
    flex: 1 1 220px; min-width: 0;
    padding: 12px 14px;
    border: 1.5px solid var(--garis); border-radius: 10px;
    font: inherit; font-size: .95rem;
    background: #fff; color: var(--teks);
}
.cek-baris input:focus { outline: 0; border-color: var(--utama); }

/* ---------------- Rekening ---------------- */
.rek-list { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.rek { border: 1px solid var(--garis); border-radius: 12px; padding: 14px; background: #fbfcfe; }
.rek-bank { font-weight: 800; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--teks-lembut); }
.rek-atas-nama { font-size: .85rem; color: var(--teks-lembut); margin-top: 4px; }

.salin-baris { display: flex; align-items: center; gap: 8px; margin: 6px 0 0; }
.salin-baris span {
    flex: 1 1 auto; min-width: 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 1.02rem; font-weight: 700; letter-spacing: .02em;
    word-break: break-all;
}
.salin-btn {
    flex: 0 0 auto;
    padding: 6px 12px;
    border: 1.5px solid var(--garis); border-radius: 8px;
    background: #fff; color: var(--teks-lembut);
    font: inherit; font-size: .78rem; font-weight: 700; cursor: pointer;
}
.salin-btn:hover { border-color: var(--utama); color: var(--utama); }
.salin-btn.salin-ok { background: var(--wa); border-color: var(--wa); color: #fff; }

/* ---------------- Waspada penipuan ---------------- */
/* Kartu aplikasi pelanggan — pita hijau supaya terbaca sebagai jalan keluar,
   bukan peringatan seperti kartu waspada di bawahnya. */
.portal { border-left: 4px solid #16a34a; }
.portal-aksi { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.portal-url { font-size: .88rem; color: var(--teks-lembut); word-break: break-all; }
.portal-pasang { margin-bottom: 0; font-size: .86rem; line-height: 1.6; }

.waspada { border-left: 4px solid #f0a020; }
.waspada-list { margin: 8px 0 0; padding-left: 20px; }
.waspada-list li { margin-bottom: 6px; font-size: .93rem; }

/* ---------------- Kartu tagihan ---------------- */
.tgh {
    background: #fff;
    color: var(--teks);
    border: 1px solid var(--garis);
    border-radius: var(--radius);
    box-shadow: var(--bayang);
    padding: 20px;
    margin-top: 22px;
    text-align: left;
}
.hero .tgh { margin-bottom: 4px; }
.tgh-loading, .tgh-kosong { padding: 10px 0; color: var(--teks-lembut); font-size: .93rem; text-align: center; }

.tgh-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--garis); }
.tgh-nama { display: block; font-weight: 800; font-size: 1.05rem; }
.tgh-kode { display: block; font-size: .82rem; color: var(--teks-lembut); }
.tgh-badge { flex: 0 0 auto; background: #fdeceb; color: var(--utama-tua); border-radius: 999px; padding: 3px 11px; font-size: .74rem; font-weight: 800; }

.tgh-info { padding: 12px 0; }
.tgh-info-row { display: flex; justify-content: space-between; gap: 12px; font-size: .9rem; padding: 3px 0; }
.tgh-info-row span { color: var(--teks-lembut); }
.tgh-grand { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 10px; padding-top: 12px; border-top: 1px dashed var(--garis); }
.tgh-grand span { color: var(--teks-lembut); font-size: .9rem; }
.tgh-grand strong { color: var(--utama); font-size: 1.55rem; font-weight: 800; }

.tgh-rincian-label { font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--teks-lembut); margin-top: 6px; }
.tgh-list { margin-top: 6px; }
.tgh-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--garis); }
.tgh-item:last-child { border-bottom: 0; }
.tgh-nomor { display: block; font-weight: 700; font-size: .92rem; }
.tgh-meta { display: block; font-size: .78rem; color: var(--teks-lembut); }
.tgh-telat { display: inline-block; margin-top: 3px; font-size: .74rem; font-weight: 700; color: var(--utama); }
.tgh-belum { display: inline-block; margin-top: 3px; font-size: .74rem; font-weight: 700; color: var(--teks-lembut); }
.tgh-nominal { flex: 0 0 auto; font-weight: 800; font-size: 1rem; }

.tgh-qris { display: flex; gap: 14px; align-items: flex-start; margin-top: 16px; padding: 14px; border: 1px solid var(--garis); border-radius: 12px; background: #fbfcfe; }
.tgh-qris img { flex: 0 0 auto; width: 128px; height: auto; border-radius: 8px; background: #fff; }
.tgh-qris p { margin: 4px 0 0; font-size: .86rem; color: var(--teks-lembut); }
.tgh-qris-meta { display: block; margin-top: 6px; font-size: .78rem; color: var(--teks-lembut); }

.tgh-berita { margin-top: 16px; padding: 14px; border-radius: 12px; background: #fff8e8; border: 1px solid #f3e2b8; }
.tgh-berita-label { font-size: .86rem; }
.tgh-catatan { margin: 8px 0 0; font-size: .82rem; color: var(--teks-lembut); }

.tgh-aksi { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tgh-aksi .btn { flex: 1 1 220px; }
.tgh-bukan { display: block; width: 100%; margin-top: 12px; padding: 6px; border: 0; background: none; color: var(--teks-lembut); font: inherit; font-size: .82rem; text-decoration: underline; cursor: pointer; }

/* ---------------- Kaki ---------------- */
.kaki { padding: 20px 0 30px; text-align: center; color: var(--teks-lembut); font-size: .85rem; }
.kaki a { color: inherit; }
.kaki-pisah { margin: 0 6px; }

/* ---------------- Layar kecil ---------------- */
@media (max-width: 520px) {
    .hero { padding: 32px 0 36px; }
    .hero h1 { font-size: 1.32rem; }
    .hero-aksi .btn, .tgh-aksi .btn { width: 100%; }
    .tgh-qris { flex-direction: column; align-items: center; text-align: center; }
    .tgh-qris img { width: 168px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}