:root {
  color-scheme: light;
  --bg: #f4f1ec;
  --panel: #ffffff;
  --panel-muted: #fbfaf8;
  --ink: #171717;
  --muted: #60656f;
  --line: #ded8ce;
  --line-strong: #c8bfb1;
  --accent: #0f766e;
  --accent-strong: #0b5e57;
  --copper: #a75722;
  --gold: #c58a2a;
  --success: #137a4b;
  --warning: #9a5d00;
  --danger: #b42318;
  --shadow: 0 24px 70px rgba(23, 23, 23, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.35)),
    var(--bg);
  color: var(--ink);
}

button,
input {
  font: inherit;
}

.shell {
  min-height: 100vh;
  padding: clamp(20px, 3vw, 40px);
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin: 0 auto clamp(34px, 5vw, 72px);
  max-width: 1180px;
  gap: 16px;
}

.brand {
  align-items: center;
  color: inherit;
  display: inline-flex;
  gap: 14px;
  text-decoration: none;
}

.brand-logo {
  display: block;
  height: auto;
  width: clamp(148px, 18vw, 220px);
}

.brand-subtitle {
  border-left: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1;
  padding-left: 14px;
}

.trust-pill {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #42464d;
  font-size: 0.86rem;
  padding: 8px 14px;
  white-space: nowrap;
}

.workspace {
  align-items: stretch;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  grid-template-rows: auto auto;
  margin: 0 auto;
  max-width: 1180px;
}

.intro {
  align-self: end;
  padding: clamp(8px, 2vw, 20px) 0;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 6.8rem);
  letter-spacing: 0;
  line-height: 0.92;
  margin: 0;
  max-width: 760px;
}

.lede {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.7vw, 1.24rem);
  line-height: 1.6;
  margin: 24px 0 0;
  max-width: 610px;
}

.verification-panel,
.result-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.verification-panel {
  align-self: start;
  padding: clamp(20px, 3vw, 32px);
}

.verify-form {
  display: grid;
  gap: 12px;
}

.verify-form label {
  color: #30343a;
  font-size: 0.88rem;
  font-weight: 750;
  margin-top: 8px;
}

.verify-form input {
  appearance: none;
  background: var(--panel-muted);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  min-height: 52px;
  outline: none;
  padding: 0 14px;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
  width: 100%;
}

.verify-form input:focus {
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.16);
}

.verify-button {
  align-items: center;
  background: var(--accent);
  border: 0;
  border-radius: 8px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 800;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
  min-height: 54px;
  padding: 0 18px;
  transition: background 160ms ease, transform 160ms ease;
}

.verify-button:hover {
  background: var(--accent-strong);
}

.verify-button:active {
  transform: translateY(1px);
}

.verify-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.result-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(251, 250, 248, 0.96)),
    var(--panel);
  grid-column: 1 / -1;
  min-height: 220px;
  padding: clamp(22px, 3vw, 34px);
  position: relative;
}

.result-panel::before {
  background: var(--line-strong);
  border-radius: 999px;
  content: "";
  height: calc(100% - 44px);
  left: 0;
  position: absolute;
  top: 22px;
  width: 5px;
}

.result-panel.is-valid::before {
  background: var(--success);
}

.result-panel.is-revoked::before,
.result-panel.is-error::before {
  background: var(--danger);
}

.result-panel.is-expired::before,
.result-panel.is-not-found::before {
  background: var(--warning);
}

.result-kicker {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.result-panel h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  letter-spacing: 0;
  line-height: 1.1;
  margin: 0;
}

.result-message {
  color: var(--muted);
  line-height: 1.55;
  margin: 14px 0 0;
  max-width: 780px;
}

.record-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 26px;
}

.record-field {
  border-top: 1px solid var(--line);
  min-width: 0;
  padding-top: 12px;
}

.record-field span {
  color: var(--muted);
  display: block;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 7px;
  text-transform: uppercase;
}

.record-field strong {
  display: block;
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.record-field.is-wide {
  grid-column: span 2;
}

.privacy-note {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  margin: 22px auto 0;
  max-width: 1180px;
}

@media (max-width: 860px) {
  .shell {
    padding: 18px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 36px;
  }

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

  .verification-panel {
    order: 2;
  }

  .result-panel {
    order: 3;
  }

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

@media (max-width: 560px) {
  h1 {
    font-size: clamp(2.45rem, 15vw, 3.6rem);
  }

  .trust-pill {
    white-space: normal;
  }

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

  .record-field.is-wide {
    grid-column: span 1;
  }
}