:root {
  color-scheme: dark;
  --bg: #060a13;
  --bg-soft: #0a1020;
  --surface: rgba(10, 15, 28, 0.92);
  --surface-strong: rgba(13, 20, 35, 0.98);
  --surface-card: rgba(15, 23, 40, 0.96);
  --text: #f3f7ff;
  --text-soft: #93a6c6;
  --line: rgba(124, 160, 232, 0.14);
  --line-strong: rgba(106, 154, 255, 0.2);
  --primary: #2b79ff;
  --primary-strong: #54a5ff;
  --success-bg: rgba(42, 163, 111, 0.14);
  --success-text: #85ebbc;
  --warn-bg: rgba(243, 167, 58, 0.12);
  --warn-text: #ffd079;
  --error-bg: rgba(237, 83, 114, 0.12);
  --error-text: #ff9ab0;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(44, 114, 255, 0.2), transparent 30%),
    radial-gradient(circle at 100% 10%, rgba(24, 83, 198, 0.18), transparent 26%),
    linear-gradient(180deg, #050811 0%, #070b14 100%);
  color: var(--text);
  font: 16px/1.55 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  background: rgba(5, 8, 15, 0.94);
  box-shadow: var(--shadow);
  position: sticky;
  top: 16px;
  z-index: 10;
  backdrop-filter: blur(10px);
}

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

.brand__logo {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 14px 28px rgba(43, 121, 255, 0.22);
}

.brand__copy {
  display: flex;
  flex-direction: column;
}

.brand__copy strong {
  font-size: 20px;
  letter-spacing: -0.02em;
}

.brand__copy span {
  color: var(--text-soft);
  font-size: 13px;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.site-nav a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a:hover {
  color: var(--text);
}

.hero,
.viewer-section,
.feature-section,
.security-section {
  margin-top: 24px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.hero__copy,
.hero__panel,
.viewer-card,
.feature-card,
.security-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__copy,
.hero__panel {
  padding: 34px;
  border-radius: var(--radius-xl);
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(28, 57, 114, 0.28);
  color: #8dc0ff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
}

.hero__text,
.section-heading p {
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button,
.search-button,
.link-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 18px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

.button:hover,
.search-button:hover,
.link-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.button {
  min-height: 52px;
  padding: 0 22px;
  font-weight: 700;
}

.button--primary,
.search-button,
.link-button,
.ghost-button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  box-shadow: 0 14px 28px rgba(43, 121, 255, 0.22);
}

.button--ghost {
  background: rgba(12, 20, 36, 0.88);
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.mini-card {
  padding: 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(11, 21, 38, 0.96) 0%, rgba(18, 32, 56, 0.96) 100%);
  border: 1px solid rgba(90, 140, 240, 0.16);
}

.mini-card__label {
  display: block;
  color: #7db3ff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mini-card strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
}

.mini-card p {
  margin: 10px 0 0;
  color: var(--text-soft);
}

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

.mini-stat {
  padding: 18px;
  border-radius: 18px;
  background: rgba(10, 17, 31, 0.82);
  border: 1px solid var(--line);
}

.mini-stat span {
  display: block;
  color: var(--text-soft);
  font-size: 13px;
}

.mini-stat strong {
  display: block;
  margin-top: 6px;
  font-size: 20px;
}

.section-heading {
  margin-bottom: 18px;
}

.viewer-card {
  padding: 24px;
  border-radius: var(--radius-xl);
}

.search-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
}

.search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 74px;
  padding: 0 22px;
  border-radius: 24px;
  background: rgba(20, 26, 40, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: inset 0 0 0 1px rgba(85, 120, 200, 0.04);
}

.search-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #6d7f9f;
}

.search-icon svg,
.empty-state__icon svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}

.search-input {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 18px;
}

.search-input::placeholder {
  color: #5e6d88;
}

.search-input:focus {
  outline: none;
}

.search-button {
  min-width: 88px;
  min-height: 74px;
  padding: 0 18px;
  font-size: 34px;
}

.search-button:disabled {
  cursor: wait;
  opacity: 0.7;
  transform: none;
  box-shadow: none;
}

.viewer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
}

.helper-text,
.footer,
.meta-item {
  margin: 0;
  color: var(--text-soft);
}

.notice-stack {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.notice-card {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(13, 20, 35, 0.92);
  border: 1px solid rgba(95, 124, 188, 0.12);
  color: var(--text-soft);
}

.notice-card--security {
  background: rgba(10, 28, 54, 0.92);
  border-color: rgba(76, 128, 255, 0.18);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(19, 29, 49, 0.95);
  border: 1px solid rgba(110, 149, 229, 0.15);
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
}

.status-badge.is-loading {
  background: var(--warn-bg);
  color: var(--warn-text);
}

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

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

.results {
  display: grid;
  gap: 14px;
  min-height: 360px;
  margin-top: 18px;
}

.result-panel {
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(13, 20, 35, 0.98) 0%, rgba(15, 24, 41, 0.98) 100%);
  border: 1px solid rgba(78, 123, 220, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.result-title {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.result-subtitle {
  margin: 0 0 18px;
  color: #94a6c8;
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.detail-grid,
.feature-grid,
.security-grid {
  display: grid;
  gap: 14px;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-row {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(9, 15, 28, 0.74);
  border: 1px solid rgba(90, 124, 198, 0.12);
}

.detail-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #7290c4;
}

.detail-value {
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.list-card {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(10, 17, 31, 0.78);
  border: 1px solid rgba(90, 124, 198, 0.12);
}

.list-card h3,
.feature-card h3,
.security-card h3 {
  margin: 0 0 12px;
}

.tx-list {
  display: grid;
  gap: 10px;
}

.tx-item {
  padding: 14px;
  border-radius: 16px;
  background: rgba(8, 13, 24, 0.86);
  border: 1px solid rgba(110, 149, 229, 0.1);
}

.tx-item p {
  margin: 0;
}

.tx-hash {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.tx-meta {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 13px;
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.link-button,
.ghost-button {
  min-height: 48px;
  padding: 0 18px;
}

.empty-state {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px 16px 18px;
}

.empty-state__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  color: #4e5f84;
}

.empty-state__icon svg {
  width: 64px;
  height: 64px;
  stroke-width: 1.6;
}

.empty-state h3 {
  margin: 10px 0 10px;
  color: var(--text);
  font-size: 28px;
  letter-spacing: -0.03em;
}

.empty-state p {
  max-width: 420px;
  margin: 0 0 24px;
  color: #7c8ba7;
  font-size: 17px;
  line-height: 1.55;
}

.message {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid transparent;
}

.message--error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: rgba(255, 140, 162, 0.22);
}

.message--info {
  background: rgba(14, 21, 36, 0.96);
  color: var(--text-soft);
  border-color: rgba(110, 149, 229, 0.12);
}

.message--warning {
  background: rgba(143, 109, 31, 0.12);
  color: #ffd789;
  border-color: rgba(255, 208, 107, 0.18);
  margin-bottom: 14px;
}

.message-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.message-list li + li {
  margin-top: 6px;
}

.feature-grid,
.security-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.security-card {
  padding: 22px;
  border-radius: 24px;
}

.feature-card p,
.security-card li {
  color: var(--text-soft);
}

.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.security-card ul {
  margin: 0;
  padding-left: 18px;
}

.security-card li + li {
  margin-top: 8px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  align-items: center;
  margin-top: 28px;
  padding: 18px 14px;
  color: var(--text-soft);
  font-size: 14px;
}

.site-footer a {
  color: #7db3ff;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .hero,
  .feature-grid,
  .security-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100%, calc(100% - 20px));
    padding-top: 12px;
  }

  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 12px;
  }

  .hero__copy,
  .hero__panel,
  .viewer-card {
    padding: 22px;
  }

  .search-panel {
    grid-template-columns: 1fr;
  }

  .search-button {
    width: 100%;
  }

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

  .hero h1 {
    font-size: 34px;
  }

  .hero__text,
  .section-heading p,
  .empty-state p {
    font-size: 16px;
  }
}