:root {
  --bg: #f4efe7;
  --panel: rgba(255, 250, 242, 0.88);
  --panel-border: rgba(124, 82, 37, 0.14);
  --text: #2e241d;
  --muted: #715f51;
  --primary: #a64b2a;
  --primary-dark: #7f341d;
  --success-bg: #f3fbf6;
  --success-text: #19593b;
  --error-bg: #fff1ec;
  --error-text: #8a2b1f;
  --idle-bg: #f8f1e8;
  --shadow: 0 24px 60px rgba(65, 39, 17, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 197, 142, 0.6), transparent 35%),
    radial-gradient(circle at bottom right, rgba(214, 94, 52, 0.2), transparent 30%),
    linear-gradient(135deg, #f7efe4 0%, #efe1d0 100%);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(100%, 620px);
  padding: 32px;
  border: 1px solid var(--panel-border);
  border-radius: 28px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(166, 75, 42, 0.1);
  color: var(--primary-dark);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 18px 0 12px;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 1.05;
}

.intro {
  margin: 0 0 28px;
  color: var(--muted);
  line-height: 1.7;
}

.defaults {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.default-item {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(124, 82, 37, 0.1);
}

.default-item strong {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  line-height: 1.5;
  word-break: break-all;
}

.default-label {
  font-size: 13px;
  color: var(--muted);
}

.lookup-form {
  display: grid;
  gap: 18px;
}

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

.field span {
  font-size: 14px;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid rgba(124, 82, 37, 0.18);
  border-radius: 16px;
  outline: none;
  font-size: 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.72);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 88px;
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  min-width: 64px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: rgba(166, 75, 42, 0.1);
  box-shadow: none;
}

.toggle-password:hover {
  transform: translateY(-50%);
  background: rgba(166, 75, 42, 0.16);
}

.field input:focus {
  border-color: rgba(166, 75, 42, 0.65);
  box-shadow: 0 0 0 4px rgba(166, 75, 42, 0.12);
  transform: translateY(-1px);
}

button {
  border: 0;
  border-radius: 16px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 700;
  color: #fff9f5;
  background: linear-gradient(135deg, var(--primary) 0%, #c7653f 100%);
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
  box-shadow: 0 16px 32px rgba(166, 75, 42, 0.22);
}

button:hover {
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.status {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  line-height: 1.6;
  font-size: 14px;
}

.status-idle {
  background: var(--idle-bg);
  color: var(--muted);
}

.status-loading {
  background: #fff7df;
  color: #7c5a1c;
}

.status-success {
  background: var(--success-bg);
  color: var(--success-text);
}

.status-error {
  background: var(--error-bg);
  color: var(--error-text);
}

.result {
  margin-top: 22px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(124, 82, 37, 0.12);
}

.hidden {
  display: none;
}

.result-code-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.result-label {
  font-size: 14px;
  color: var(--muted);
}

.result-code {
  font-size: clamp(42px, 10vw, 72px);
  line-height: 1;
  letter-spacing: 0.08em;
}

.result-meta {
  display: grid;
  gap: 14px;
  margin: 0;
}

.result-meta div {
  padding-top: 14px;
  border-top: 1px solid rgba(124, 82, 37, 0.1);
}

.result-meta dt {
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}

.result-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  word-break: break-all;
}

@media (max-width: 640px) {
  .card {
    padding: 24px;
    border-radius: 24px;
  }

  .defaults {
    grid-template-columns: 1fr;
  }

  .result {
    padding: 18px;
  }
}