:root {
  --bg: #07111f;
  --bg-2: #0c1a2b;
  --panel: #0c1a2b;
  --panel-2: #112338;
  --line: rgba(110, 164, 255, 0.18);
  --text: #ebf2ff;
  --muted: #9db4d3;
  --accent: #2fb7ff;
  --accent-2: #1df0c3;
  --warning: #ffba52;
  --danger: #ff7171;
  --success: #4dde86;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  --radius: 18px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top, rgba(38, 114, 244, 0.12), transparent 30%),
    linear-gradient(180deg, #040b14 0%, #07111f 100%);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100%;
}

body {
  padding: 24px;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
}

.hero {
  padding: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 27, 44, 0.95), rgba(9, 20, 35, 0.92));
  border-radius: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}

.eyebrow {
  color: var(--warning);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.hero-copy {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.badge {
  border: 1px solid rgba(29, 240, 195, 0.22);
  color: var(--accent-2);
  background: rgba(29, 240, 195, 0.08);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
}

.full-width {
  grid-column: 1 / -1;
}

.panel {
  background: linear-gradient(180deg, rgba(12, 26, 43, 0.96), rgba(8, 18, 30, 0.96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel h2 {
  margin: 0;
  font-size: 1.25rem;
}

.panel-copy,
.panel-note,
.footer-sub {
  color: var(--muted);
  line-height: 1.65;
}

.verify-form {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.field-label {
  color: #cfe1ff;
  font-size: 0.92rem;
}

.text-input,
.file-input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(110, 164, 255, 0.2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 14px 14px;
  outline: none;
}

.text-input:focus,
.file-input:focus {
  border-color: rgba(47, 183, 255, 0.65);
  box-shadow: 0 0 0 3px rgba(47, 183, 255, 0.12);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  padding: 12px 16px;
  transition: transform 0.15s ease, opacity 0.15s ease, border-color 0.15s ease;
}

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

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.primary-btn {
  background: linear-gradient(180deg, #2fb7ff, #1787d0);
  color: #03101b;
}

.secondary-btn,
.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(110, 164, 255, 0.22);
}

.sample-box,
.result-block,
.trust-box {
  margin-top: 18px;
}

.sample-title,
.result-label {
  font-size: 0.88rem;
  color: var(--warning);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sample-preview,
.json-box,
.hash-box {
  margin: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(110, 164, 255, 0.16);
  border-radius: 14px;
  padding: 14px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: #cfe1ff;
}

.hash-box {
  display: block;
  word-break: break-all;
}

.heartbeat-grid,
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric-card {
  border: 1px solid rgba(110, 164, 255, 0.16);
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.metric-label {
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.metric-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
}

.metric-value.small {
  font-size: 0.92rem;
  line-height: 1.5;
  color: #d7e7ff;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.85rem;
  font-weight: 700;
}

.status-idle {
  background: rgba(255, 186, 82, 0.12);
  color: var(--warning);
  border: 1px solid rgba(255, 186, 82, 0.18);
}

.status-loading {
  background: rgba(47, 183, 255, 0.12);
  color: var(--accent);
  border: 1px solid rgba(47, 183, 255, 0.18);
}

.status-success {
  background: rgba(77, 222, 134, 0.12);
  color: var(--success);
  border: 1px solid rgba(77, 222, 134, 0.18);
}

.status-error {
  background: rgba(255, 113, 113, 0.12);
  color: var(--danger);
  border: 1px solid rgba(255, 113, 113, 0.18);
}

.empty-state {
  margin-top: 16px;
  padding: 18px;
  border-radius: 14px;
  border: 1px dashed rgba(110, 164, 255, 0.18);
  color: var(--muted);
}

.hidden {
  display: none;
}

.result-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.list-box {
  margin: 0;
  padding: 14px 18px 14px 30px;
  min-height: 70px;
  border: 1px solid rgba(110, 164, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: #d8e6fb;
}

.access-note {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 186, 82, 0.24);
  background: rgba(255, 186, 82, 0.08);
  color: var(--warning);
  font-weight: 700;
  line-height: 1.6;
}

.access-note a {
  color: #fff3c9;
  text-decoration: underline;
}

.trust-box {
  padding: 16px;
  border: 1px solid rgba(77, 222, 134, 0.18);
  border-radius: 14px;
  background: rgba(77, 222, 134, 0.05);
}

.trust-box h3 {
  margin: 0 0 10px;
  color: #dfffee;
}

.trust-box p {
  margin: 0 0 10px;
  line-height: 1.65;
  color: #dcecff;
}

.trust-footnote {
  font-size: 0.84rem;
  color: var(--muted);
}

.footer {
  margin-top: 24px;
  padding: 18px 6px 8px;
  color: #dbe9ff;
}

@media (max-width: 920px) {
  .grid,
  .result-columns,
  .heartbeat-grid,
  .results-grid {
    grid-template-columns: 1fr;
  }

  body {
    padding: 14px;
  }

  .hero,
  .panel {
    padding: 18px;
  }

  .panel-title-row {
    align-items: flex-start;
    flex-direction: column;
  }
}