:root {
  --blue-900: #0b3d91;
  --blue-700: #1454c4;
  --blue-500: #2f6fe0;
  --blue-100: #e8f0fe;
  --gray-50: #f7f8fa;
  --gray-100: #eef1f5;
  --gray-200: #e2e6ec;
  --gray-400: #9aa4b2;
  --gray-600: #5c6672;
  --gray-800: #232a34;
  --white: #ffffff;
  --green: #1fa35c;
  --green-bg: #e7f7ee;
  --orange: #e08a1e;
  --orange-bg: #fcf0de;
  --red: #d6493b;
  --red-bg: #fcebe9;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(20, 30, 50, 0.06), 0 1px 1px rgba(20, 30, 50, 0.04);
  --shadow-md: 0 6px 20px rgba(20, 30, 50, 0.08);
  --font-display: "Poppins", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}
@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap");
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); background: var(--gray-50); color: var(--gray-800); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select { font-family: inherit; }
a { text-decoration: none; color: inherit; }

.navbar { background: var(--white); border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
.navbar-inner { max-width: 1180px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; font-size: 19px; color: var(--blue-900); white-space: nowrap; }
.logo-mark { width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(135deg, var(--blue-500), var(--blue-900)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; font-weight: 700; font-family: var(--font-display); flex-shrink: 0; }
.nav-menu { display: flex; gap: 28px; flex: 1; justify-content: center; }
.nav-menu .nav-link { background: none; padding: 8px 2px; border-radius: 0; font-size: 14.5px; font-weight: 500; color: var(--gray-600); border-bottom: 2px solid transparent; transition: 0.15s; }
.nav-menu .nav-link:hover { color: var(--gray-800); }
.nav-menu .nav-link.active { color: var(--blue-700); border-bottom-color: var(--blue-700); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }

.page { max-width: 1180px; margin: 0 auto; padding: 28px 24px 80px; }
.hidden { display: none !important; }

.banner { background: linear-gradient(120deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--blue-500) 100%); border-radius: 20px; padding: 40px 44px; display: flex; align-items: center; justify-content: space-between; color: #fff; overflow: hidden; position: relative; margin-bottom: 28px; }
.banner-text h1 { font-family: var(--font-display); font-size: 30px; font-weight: 700; line-height: 1.25; margin-bottom: 6px; }
.banner-text p { font-size: 15px; color: rgba(255, 255, 255, 0.85); margin-bottom: 20px; }
.banner-btn { background: #fff; color: var(--blue-900); padding: 11px 22px; border-radius: 10px; font-weight: 600; font-size: 14px; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15); transition: 0.15s; }
.banner-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2); }
.banner-illustration { flex-shrink: 0; }

.card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); }
.topup-card { padding: 26px 28px; margin-bottom: 28px; }
.topup-card h2 { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 18px; }
.form-row { display: flex; gap: 18px; margin-bottom: 20px; flex-wrap: wrap; }
.form-group { flex: 1; min-width: 220px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray-600); margin-bottom: 8px; }
.form-group input, .form-group select { width: 100%; padding: 12px 14px; border: 1.5px solid var(--gray-200); border-radius: 10px; font-size: 14.5px; color: var(--gray-800); background: var(--white); transition: 0.15s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px var(--blue-100); }
.phone-input-wrap { position: relative; }
.phone-input-wrap input { padding-right: 74px; }
.operator-hint { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); display: flex; align-items: center; gap: 4px; white-space: nowrap; pointer-events: none; }
.operator-hint.unknown { font-size: 11.5px; font-weight: 700; color: var(--red); background: var(--red-bg); padding: 5px 10px; border-radius: 6px; }
.primary-btn { background: var(--blue-700); color: #fff; padding: 12px 26px; border-radius: 10px; font-size: 14.5px; font-weight: 600; transition: 0.15s; }
.primary-btn:hover { background: var(--blue-900); }
.primary-btn:disabled { background: var(--gray-400); cursor: not-allowed; }

/* Teks kecil pemandu di bawah field nomor HP, muncul sebelum prefix
   cukup panjang untuk dideteksi (< 4 digit). */
.field-hint { font-size: 12px; color: var(--gray-400); margin-top: 7px; }

.section-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin-bottom: 14px; color: var(--gray-800); }
.kategori-tabs { display: inline-flex; gap: 4px; background: var(--gray-100); padding: 4px; border-radius: 10px; margin-bottom: 24px; }
.kategori-tab { background: none; padding: 9px 16px; border-radius: 7px; font-size: 13.5px; font-weight: 500; color: var(--gray-600); display: flex; align-items: center; gap: 7px; transition: 0.15s; white-space: nowrap; }
.kategori-tab:hover { color: var(--gray-800); }
.kategori-tab.active { background: #fff; color: var(--blue-700); font-weight: 600; box-shadow: var(--shadow-sm); }
.kategori-tab .kategori-icon { width: 22px; height: 22px; border-radius: 6px; background: var(--blue-100); display: flex; align-items: center; justify-content: center; font-size: 12px; flex-shrink: 0; }
.kategori-tab.active .kategori-icon { background: var(--blue-700); color: #fff; }

.list-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 8px; box-shadow: var(--shadow-sm); }
.last-item { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 10px; transition: 0.15s; cursor: pointer; }
.last-item:hover { background: var(--gray-50); }
.last-item + .last-item { border-top: 1px solid var(--gray-100); }
.last-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--blue-100); color: var(--blue-700); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.last-info { flex: 1; min-width: 0; }
.last-info .num { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.last-info .op { font-size: 12.5px; color: var(--gray-600); margin-top: 2px; }
.last-nominal { font-size: 13px; font-weight: 600; color: var(--blue-700); white-space: nowrap; }

.page-header { margin-bottom: 22px; }
.back-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--gray-600); margin-bottom: 14px; background: none; padding: 0; }
.back-btn:hover { color: var(--blue-700); }
.page-header h2 { font-family: var(--font-display); font-size: 22px; font-weight: 700; }

.pay-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; max-width: 900px; margin: 0 auto; }
.pay-methods { display: flex; flex-direction: column; gap: 12px; }
.pay-method { display: flex; align-items: center; gap: 14px; padding: 16px 18px; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm); background: var(--white); transition: 0.15s; cursor: pointer; }
.pay-method:hover { border-color: var(--blue-500); }
.pay-method.selected { border-color: var(--blue-700); background: var(--blue-100); }
.pay-icon { width: 40px; height: 40px; border-radius: 9px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.pay-name { font-size: 14.5px; font-weight: 600; }

.summary-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); position: sticky; top: 90px; }
.summary-card h3 { font-family: var(--font-display); font-size: 15.5px; font-weight: 600; margin-bottom: 18px; }
.summary-row { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--gray-600); padding: 9px 0; }
.summary-row.total { border-top: 1px solid var(--gray-200); margin-top: 6px; padding-top: 14px; font-size: 15px; font-weight: 700; color: var(--gray-800); }
.full-btn { width: 100%; margin-top: 16px; padding: 13px; font-size: 14.5px; }

.success-wrap { max-width: 520px; margin: 40px auto; text-align: center; }
.success-check { width: 76px; height: 76px; border-radius: 50%; background: var(--green-bg); color: var(--green); display: flex; align-items: center; justify-content: center; font-size: 38px; font-weight: 700; margin: 0 auto 20px; }
.success-wrap h2 { font-family: var(--font-display); font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.success-wrap p { font-size: 14px; color: var(--gray-600); margin-bottom: 26px; }
.receipt { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 24px 26px; text-align: left; box-shadow: var(--shadow-sm); }
.receipt-row { display: flex; justify-content: space-between; padding: 10px 0; font-size: 13.5px; border-bottom: 1px dashed var(--gray-200); }
.receipt-row:last-child { border-bottom: none; }
.receipt-row .k { color: var(--gray-600); }
.receipt-row .v { font-weight: 600; color: var(--gray-800); text-align: right; }

.filter-row { display: flex; gap: 8px; margin-bottom: 20px; }
.filter-btn { background: var(--white); border: 1.5px solid var(--gray-200); padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 500; color: var(--gray-600); transition: 0.15s; display: inline-block; }
.filter-btn.active { background: var(--blue-700); border-color: var(--blue-700); color: #fff; font-weight: 600; }
.riwayat-list { display: flex; flex-direction: column; gap: 10px; }
.riwayat-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-sm); padding: 16px 18px; display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-sm); }
.riwayat-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--blue-100); display: flex; align-items: center; justify-content: center; font-size: 19px; flex-shrink: 0; }
.riwayat-info { flex: 1; min-width: 0; }
.riwayat-info .title { font-size: 14px; font-weight: 600; color: var(--gray-800); }
.riwayat-info .sub { font-size: 12.5px; color: var(--gray-600); margin-top: 2px; }
.riwayat-right { text-align: right; }
.riwayat-right .harga { font-size: 14px; font-weight: 700; color: var(--gray-800); margin-bottom: 6px; }
.badge { font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 20px; display: inline-block; }
.badge.berhasil { background: var(--green-bg); color: var(--green); }
.badge.pending { background: var(--orange-bg); color: var(--orange); }
.badge.gagal { background: var(--red-bg); color: var(--red); }
.riwayat-empty { text-align: center; padding: 60px 20px; color: var(--gray-400); font-size: 14px; }

.operator-logo-img { width: 36px; height: 36px; border-radius: 6px; object-fit: contain; flex-shrink: 0; display: block; }
.phone-input-wrap .operator-hint.with-logo { gap: 6px; padding: 4px 8px; }

.nominal-picker { margin-top: 18px; }
.nominal-picker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 10px; }
.nominal-pick-card { position: relative; border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm); padding: 14px 8px 10px; text-align: center; background: var(--white); transition: 0.15s; cursor: pointer; }
.nominal-pick-card:hover { border-color: var(--blue-500); }
.nominal-pick-card.selected { border-color: var(--blue-700); background: var(--blue-100); }
.nominal-pick-card .rp { font-size: 14.5px; font-weight: 700; color: var(--gray-800); }
.nominal-pick-card.selected .rp { color: var(--blue-900); }
.nominal-pick-card .bayar { font-size: 11px; color: var(--gray-600); margin-top: 4px; }

/* Skeleton shimmer untuk kartu nominal/paket data, ditampilkan sesaat
   setelah operator kedeteksi secara instan di client (sebelum data asli
   dari server datang). */
.nominal-pick-card.skeleton { cursor: default; pointer-events: none; }
.nominal-pick-card.skeleton:hover { border-color: var(--gray-200); }
.skeleton-line { border-radius: 5px; background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 37%, var(--gray-100) 63%); background-size: 400% 100%; animation: skeleton-shimmer 1.4s ease infinite; margin: 0 auto; }
.skeleton-line-lg { width: 60%; height: 14px; margin-bottom: 8px; }
.skeleton-line-sm { width: 40%; height: 10px; }
@keyframes skeleton-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@media (max-width: 900px) {
  .navbar-inner { flex-wrap: wrap; padding: 12px 16px; gap: 10px; }
  .nav-menu { order: 3; flex: 1 1 100%; justify-content: stretch; gap: 0; border-top: 1px solid var(--gray-200); padding-top: 6px; }
  .nav-menu .nav-link { flex: 1; text-align: center; padding: 8px 6px; font-size: 13.5px; white-space: nowrap; }
  .pay-layout { grid-template-columns: 1fr; }
  .banner { flex-direction: column; text-align: center; gap: 20px; }
  .banner-text { order: 1; }
}
@media (max-width: 600px) {
  .kategori-tabs { width: 100%; }
  .kategori-tab { flex: 1; justify-content: center; padding: 9px 10px; }
  .nominal-picker-grid { grid-template-columns: 1fr 1fr; }
  .form-row { flex-direction: column; }
  .banner { padding: 22px 20px; border-radius: 16px; gap: 12px; }
  .banner-text h1 { font-size: 19px; line-height: 1.3; }
  .banner-text p { font-size: 12.5px; margin-bottom: 14px; }
  .banner-btn { padding: 9px 18px; font-size: 13px; }
  .banner-illustration svg { width: 90px; height: 90px; }
  .logo { font-size: 16px; }
  .logo-mark { width: 28px; height: 28px; font-size: 14px; }
}