:root {
  color-scheme: light;
  --bg: #eef4f8;
  --panel: #ffffff;
  --text: #111827;
  --muted: #667085;
  --line: #d7e0ea;
  --primary: #0f6bba;
  --primary-dark: #0b4e88;
  --secondary: #334155;
  --success: #067647;
  --success-bg: #ecfdf3;
  --danger: #b42318;
  --danger-bg: #fff1f3;
  --soft: #f5f8fb;
  --blue-soft: #eaf4ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 0%, rgba(15, 107, 186, 0.12), transparent 30%),
    linear-gradient(180deg, #f6fbff 0%, var(--bg) 100%);
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1060px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 42px rgba(16, 24, 40, 0.08);
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 26px;
  margin-bottom: 14px;
}

.promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(15, 107, 186, 0.24);
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 14px;
  color: inherit;
  text-decoration: none;
  background:
    linear-gradient(90deg, rgba(15, 107, 186, 0.11), rgba(6, 118, 71, 0.08)),
    #ffffff;
  box-shadow: 0 12px 30px rgba(16, 24, 40, 0.06);
}

.promo:hover {
  border-color: rgba(15, 107, 186, 0.46);
}

.promo span {
  display: block;
  margin-bottom: 5px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 900;
}

.promo strong {
  display: block;
  font-size: 18px;
  line-height: 1.35;
}

.promo p {
  margin: 5px 0 0;
  color: var(--muted);
}

.promo b {
  border-radius: 8px;
  padding: 10px 14px;
  color: #fff;
  background: var(--primary);
  white-space: nowrap;
}

.panel {
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 8px;
  font-size: 34px;
  line-height: 1.15;
}

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

.state-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  background: var(--soft);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.state-pill.success {
  color: var(--success);
  border-color: rgba(6, 118, 71, 0.24);
  background: var(--success-bg);
}

.state-pill.error {
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.24);
  background: var(--danger-bg);
}

.form {
  display: grid;
  gap: 10px;
}

label {
  color: #344054;
  font-size: 14px;
  font-weight: 800;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
}

input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  outline: none;
  background: #fff;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 107, 186, 0.14);
}

button {
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  color: #fff;
  background: var(--primary);
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}

button:hover:not(:disabled) {
  background: var(--primary-dark);
}

.buy-cdk {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(15, 107, 186, 0.28);
  border-radius: 8px;
  padding: 0 16px;
  color: var(--primary);
  background: #f3f9ff;
  text-decoration: none;
  font-weight: 900;
  white-space: nowrap;
}

.buy-cdk:hover {
  color: #fff;
  background: var(--primary);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

.secondary {
  background: var(--secondary);
}

.light {
  color: var(--text);
  background: #eef2f6;
}

.ghost {
  border: 1px solid var(--line);
  padding: 7px 10px;
  color: var(--primary);
  background: #fff;
  font-size: 13px;
}

.ghost:hover:not(:disabled) {
  color: #fff;
  background: var(--primary);
}

.status {
  margin: 16px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--muted);
  background: var(--soft);
  font-weight: 700;
}

.status.error {
  color: var(--danger);
  border-color: rgba(180, 35, 24, 0.24);
  background: var(--danger-bg);
}

.status.success {
  color: var(--success);
  border-color: rgba(6, 118, 71, 0.24);
  background: var(--success-bg);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.card {
  min-height: 168px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--soft);
}

.accent-card {
  background: var(--blue-soft);
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.head-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.card-head span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.card strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: 0;
}

.phone-split {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  align-items: stretch;
}

.phone-split div {
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.phone-split span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.phone-split strong {
  font-size: 24px;
}

.phone-split div:last-child strong {
  font-size: 34px;
}

.accent-card strong {
  color: #1849d6;
  font-size: 46px;
}

.card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.records-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.records-box {
  margin-top: 14px;
}

.box-title {
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
  color: var(--muted);
  background: #fbfcfe;
  font-size: 13px;
  font-weight: 800;
}

pre {
  min-height: 112px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: #fff;
}

.records {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.empty-record {
  color: var(--muted);
}

.record-row {
  display: grid;
  grid-template-columns: 110px 1fr 130px 180px;
  gap: 12px;
  align-items: center;
  border-radius: 8px;
  padding: 12px;
  background: var(--soft);
}

.record-row strong {
  color: #1849d6;
  font-size: 20px;
}

.record-row span {
  color: #344054;
  overflow-wrap: anywhere;
}

.record-row code,
.record-row time {
  color: var(--muted);
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  border-radius: 999px;
  padding: 10px 14px;
  color: #fff;
  background: #111827;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  font-weight: 800;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 1060px);
    padding: 16px 0;
  }

  .hero {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

  .promo {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel {
    padding: 18px;
  }

  h1 {
    font-size: 28px;
  }

  .input-row,
  .cards {
    grid-template-columns: 1fr;
  }

  button {
    width: 100%;
  }

  .card-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .head-actions,
  .phone-split,
  .record-row {
    grid-template-columns: 1fr;
  }

  .card strong,
  .accent-card strong {
    font-size: 30px;
  }
}