:root {
  --bg: #f3f7fb;
  --card: #ffffff;
  --primary: #0d5bd7;
  --primary-dark: #0c49b0;
  --text: #10213a;
  --muted: #60708a;
  --danger: #d92d20;
  --danger-bg: #fff1f0;
  --success: #1a7f5a;
  --success-bg: #ebfff5;
  --warning: #b36b00;
  --warning-bg: #fff7e8;
  --border: #dfe8f5;
  --shadow: 0 14px 30px rgba(16, 33, 58, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #edf5ff 0%, #f7f9fc 100%);
  color: var(--text);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.card {
  width: min(760px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.verification-card {
  padding: 32px 28px 24px;
}

.topbar {
  margin-bottom: 6px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: #eaf2ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
}

.subtitle {
  margin: 12px 0 24px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.search-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

label {
  font-weight: 700;
  color: var(--text);
}

.search-row {
  display: flex;
  gap: 12px;
}

input {
  flex: 1;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  border-color: rgba(13, 91, 215, 0.7);
  box-shadow: 0 0 0 4px rgba(13, 91, 215, 0.09);
}

button {
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

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

#verifyBtn {
  padding: 0 22px;
  background: var(--primary);
  color: white;
  min-width: 120px;
}

#verifyBtn:hover {
  background: var(--primary-dark);
}

.samples {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.sample-btn {
  padding: 8px 12px;
  background: #eef3ff;
  color: var(--primary-dark);
  border: 1px solid #dfe9ff;
  font-size: 0.8rem;
}

.result-card {
  margin-top: 24px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 18px 12px;
  background: #fafcff;
}

.result-card.idle {
  background: #f8fbff;
}

.result-card.valid {
  background: var(--success-bg);
  border-color: rgba(26, 127, 90, 0.25);
}

.result-card.expired {
  background: var(--danger-bg);
  border-color: rgba(217, 45, 32, 0.2);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-badge.neutral {
  background: #ebf0f8;
  color: #455876;
}

.status-badge.valid {
  background: #dff7ec;
  color: var(--success);
}

.status-badge.expired {
  background: #ffe5e1;
  color: var(--danger);
}

#memberName {
  margin: 16px 0 12px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

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

.details-grid div {
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(148, 167, 196, 0.25);
  border-radius: 12px;
  padding: 12px 14px;
}

.details-grid dt {
  margin-bottom: 6px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.details-grid dd {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}

#message {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .verification-card {
    padding: 22px 18px 18px;
  }

  .search-row,
  .details-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  #verifyBtn {
    min-height: 48px;
  }
}