:root {
  --bg: #070b14;
  --bg-2: #0a111e;
  --panel: #0c1626;
  --panel-2: #0f1c2f;
  --line: #1a2a45;
  --text: #e4ecfb;
  --muted: #9db1cf;
  --accent: #4aa3ff;
  --accent-2: #2b6fb8;
  --accent-soft: rgba(74, 163, 255, 0.18);
  --danger: #ff5c7a;
  --shadow: 0 18px 45px rgba(5, 10, 20, 0.45);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Manrope", "Sora", "Segoe UI", "SF Pro Display", "Noto Sans", sans-serif;
  background: radial-gradient(120% 120% at 50% -10%, #0d1b33 0%, var(--bg) 55%, #060a12 100%);
  color: var(--text);
}

.page-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(85% 70% at 50% -20%, rgba(60, 126, 210, 0.22) 0%, rgba(60, 126, 210, 0) 65%),
    radial-gradient(70% 60% at 85% 110%, rgba(74, 163, 255, 0.16) 0%, rgba(74, 163, 255, 0) 70%),
    radial-gradient(55% 50% at 10% 120%, rgba(42, 104, 176, 0.12) 0%, rgba(42, 104, 176, 0) 70%);
  pointer-events: none;
}

.app-shell {
  width: min(460px, 100%);
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  z-index: 1;
  border-left: 1px solid rgba(27, 45, 74, 0.8);
  border-right: 1px solid rgba(27, 45, 74, 0.8);
  background: linear-gradient(180deg, rgba(9, 14, 24, 0.95) 0%, rgba(6, 9, 16, 0.98) 100%);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 20, 36, 0.8) 0%, rgba(8, 13, 24, 0.2) 100%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  color: var(--text);
  font-size: 15px;
  line-height: 1;
  opacity: 0.75;
}

.brand-text {
  font-size: 34px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.4px;
}

.content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hidden {
  display: none;
}

.card {
  background: linear-gradient(160deg, rgba(14, 25, 42, 0.95) 0%, rgba(11, 21, 37, 0.98) 100%);
  border: 1px solid rgba(35, 61, 96, 0.85);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 14px 32px rgba(3, 8, 16, 0.35);
}

.center {
  text-align: center;
}

.section-title {
  margin: 0 0 10px;
  font-size: 13px;
  color: #b9cbe6;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.balance-card {
  text-align: center;
  padding-top: 22px;
  padding-bottom: 24px;
}

.balance-value {
  margin: 6px 0 10px;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.balance-value span {
  font-size: 62px;
  line-height: 1;
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 6px 18px rgba(56, 142, 230, 0.35);
}

.balance-value.expired span {
  color: var(--danger);
}

.balance-value small {
  font-size: 20px;
  color: #dbe7fb;
}

.muted {
  margin: 0;
  color: var(--muted);
}

.primary-btn,
.pay-btn,
.copy-btn,
.ghost-btn,
.video-placeholder {
  border: 0;
  border-radius: 13px;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
}

.primary-btn,
.pay-btn {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(180deg, #4aa3ff 0%, #2b6fb8 100%);
  box-shadow: 0 12px 24px rgba(39, 104, 175, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-btn {
  margin-top: 10px;
}

.pay-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
  background: linear-gradient(180deg, #2a3f5f 0%, #1c2c44 100%);
  box-shadow: none;
}

.pay-btn span {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #afc5e6;
}

.tariff-note {
  margin: 0;
  text-align: center;
  color: #8095b6;
  font-size: 14px;
}

.config-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-row {
  border: 1px solid rgba(33, 56, 90, 0.9);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(11, 22, 38, 0.95) 0%, rgba(10, 19, 33, 0.98) 100%);
  padding: 11px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
}

.config-meta {
  min-width: 0;
}

.config-title {
  margin: 0;
  font-size: 14px;
  color: #e1ecff;
  font-weight: 600;
}

.config-link {
  margin: 6px 0 0;
  color: #89a8d2;
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.copy-btn {
  background: #3a88dd;
  color: #fff;
  padding: 10px 12px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.copy-btn.copied {
  background: #2c6bb3;
}

.videos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.video-placeholder {
  width: 100%;
  min-height: 54px;
  background: linear-gradient(180deg, rgba(12, 22, 38, 0.96) 0%, rgba(10, 18, 31, 0.98) 100%);
  border: 1px solid rgba(33, 56, 90, 0.8);
  color: #d7e4f8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: 16px;
}

.video-placeholder small {
  font-size: 11px;
  color: #90a8ca;
  text-transform: uppercase;
}

.micro {
  margin: 10px 0 0;
  font-size: 12px;
  color: #8ea5c8;
}

.ghost-btn {
  background: rgba(16, 31, 52, 0.8);
  border: 1px solid rgba(36, 62, 98, 0.8);
  color: #b7c9e6;
  padding: 8px 12px;
  font-size: 12px;
}

@media (max-width: 430px) {
  .content {
    padding: 14px;
  }

  .brand-text {
    font-size: 30px;
  }

  .balance-value span {
    font-size: 54px;
  }

  .primary-btn,
  .pay-btn {
    min-height: 58px;
    font-size: 20px;
  }
}