:root {
  color-scheme: dark;
  --bg: #101114;
  --surface: #181a1f;
  --surface-strong: #20232a;
  --text: #f7f7f8;
  --muted: #a5a9b2;
  --line: #30343d;
  --accent: #27a7e7;
  --accent-hover: #45b5ec;
  --accent-text: #06141c;
  --success: #60c78b;
  --danger: #ff8b8b;
  --radius: 16px;
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.hidden {
  display: none !important;
}

.page-shell {
  width: min(100%, 760px);
  min-height: 100vh;
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    max(28px, env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 14px;
}

.brand small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 11px;
}

.header-link,
.inline-link,
footer a {
  color: var(--accent);
  font-size: 13px;
  font-weight: 650;
  text-underline-offset: 3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero {
  padding: 12px 0 24px;
}

.hero.compact {
  padding-bottom: 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 12px;
  font-size: clamp(34px, 10vw, 56px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 8px;
  font-size: 19px;
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 600px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.status-strip,
.result-summary {
  display: grid;
  gap: 1px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--line);
}

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

.result-summary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.status-strip > div,
.result-summary > div {
  min-width: 0;
  padding: 11px;
  background: var(--surface);
}

.status-strip strong,
.result-summary strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.text-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.launch-card,
.fallback-card,
.feedback-card,
.diagnostics,
.lookup-form,
.protocol-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.protocol-card {
  padding: 20px;
}

.protocol-card ol {
  display: grid;
  gap: 9px;
  margin: 14px 0 18px;
  padding-left: 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.compact-button {
  min-height: 42px;
  padding: 0 14px;
}

.launch-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 20px;
}

.telegram-badge {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 20px;
  font-weight: 850;
}

.launch-copy {
  align-self: center;
}

.launch-copy h2 {
  margin-bottom: 3px;
}

.launch-copy p,
.fallback-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 48px;
  border-radius: 11px;
  cursor: pointer;
  font-weight: 750;
}

.primary-button {
  display: grid;
  place-items: center;
  border: 0;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.55;
}

.launch-card > .primary-button {
  grid-column: 1 / -1;
  margin-top: 6px;
}

.button-note {
  grid-column: 1 / -1;
  margin: -5px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
  text-align: center;
}

.fallback-card,
.feedback-card {
  margin-top: 14px;
  padding: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.secondary-button,
.ghost-button {
  flex: 1 1 180px;
  border: 1px solid var(--line);
  padding: 0 14px;
}

.secondary-button {
  background: var(--surface-strong);
  color: var(--text);
}

.ghost-button {
  background: transparent;
  color: var(--muted);
}

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.feedback-grid button {
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--surface-strong);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
}

.feedback-grid button.selected {
  border-color: var(--success);
  color: var(--success);
}

.confirmation-message {
  margin: 14px 0 0;
  color: var(--success);
  font-size: 13px;
}

.variant-section {
  display: grid;
  gap: 16px;
  padding: 34px 0 18px;
}

.suite-section {
  display: grid;
  gap: 14px;
  padding-top: 34px;
}

.section-copy,
.empty-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.suite-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.suite-item {
  display: grid;
  gap: 11px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: var(--surface);
}

.suite-item-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.suite-item h3 {
  margin: 0;
  font-size: 14px;
}

.suite-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.method-tag {
  flex: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 7px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.suite-item-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7px;
}

.suite-item-actions a,
.suite-item-actions button {
  display: grid;
  min-height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0 11px;
  background: var(--surface-strong);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 10px;
  font-weight: 750;
  text-decoration: none;
}

.suite-item-actions button {
  background: transparent;
  color: var(--accent);
}

.variant-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.variant-nav a {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 12px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
}

.variant-nav a.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

.variant-nav strong,
.variant-nav span {
  display: block;
}

.variant-nav strong {
  margin-bottom: 5px;
  font-size: 12px;
}

.variant-nav span {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.diagnostics {
  padding: 0 16px;
}

.diagnostics summary {
  padding: 15px 0;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.diagnostics dl {
  margin: 0;
}

.diagnostics dl > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.diagnostics dt,
.diagnostics dd {
  margin: 0;
  font-size: 11px;
  line-height: 1.45;
}

.diagnostics dt {
  color: var(--muted);
}

.diagnostics dd {
  overflow-wrap: anywhere;
}

.diagnostics .inline-link {
  display: inline-block;
  padding: 14px 0 16px;
}

.privacy-note {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  text-align: center;
}

.lookup-form {
  padding: 18px;
}

.lookup-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.lookup-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.lookup-row input {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 12px;
  background: var(--bg);
  color: var(--text);
}

.lookup-row .primary-button {
  padding: 0 18px;
}

.result-summary {
  margin-top: 14px;
}

.event-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.event-item {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 13px;
  background: var(--surface);
}

.event-time {
  color: var(--muted);
  font-size: 10px;
}

.event-name {
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 750;
}

.event-payload {
  margin: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.error-message {
  margin: 14px 0 0;
  color: var(--danger);
  font-size: 13px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.bridge-body {
  min-height: 100svh;
  background-color: #63c5ba;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='72' height='72' viewBox='0 0 72 72'%3E%3Cpath d='M18 20l36 16-36 16 8-16z' fill='none' stroke='%23fff' stroke-opacity='.13' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E"),
    linear-gradient(135deg, #54bea9 0%, #64c6c4 52%, #dce75d 100%);
  background-size:
    72px 72px,
    cover;
  color: #111827;
}

.bridge-main {
  display: grid;
  min-height: 100svh;
  place-items: start center;
  padding:
    max(52px, env(safe-area-inset-top))
    max(16px, env(safe-area-inset-right))
    max(32px, env(safe-area-inset-bottom))
    max(16px, env(safe-area-inset-left));
}

.bridge-card {
  width: min(100%, 360px);
  border: 1px solid rgb(255 255 255 / 65%);
  border-radius: 20px;
  padding: 30px 24px 20px;
  background: rgb(255 255 255 / 96%);
  box-shadow:
    0 24px 60px rgb(15 58 64 / 18%),
    0 4px 14px rgb(15 58 64 / 10%);
  text-align: center;
}

.bridge-avatar {
  display: block;
  width: 78px;
  height: 78px;
  margin: 0 auto 17px;
  border: 4px solid #eef8fc;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 22px rgb(21 64 91 / 22%);
}

.bridge-card h1 {
  max-width: none;
  margin-bottom: 4px;
  color: #101828;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.bridge-bio,
.bridge-copy,
.bridge-instruction {
  margin-left: auto;
  margin-right: auto;
}

.bridge-bio {
  margin-bottom: 22px;
  color: #475467;
  font-size: 12px;
}

.bridge-copy {
  margin-bottom: 12px;
  color: #344054;
  font-size: 15px;
  font-weight: 700;
}

.bridge-button {
  display: inline-flex;
  width: 100%;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 12px;
  background: #229ed9;
  box-shadow: 0 8px 18px rgb(34 158 217 / 25%);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
}

.bridge-button:hover {
  background: #178dc5;
}

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

.bridge-button > span:first-child {
  font-size: 13px;
  transform: rotate(-35deg);
}

.bridge-instruction {
  max-width: 270px;
  margin-top: 15px;
  margin-bottom: 0;
  color: #475467;
  font-size: 12px;
  line-height: 1.65;
}

.bridge-instruction bdi {
  color: #101828;
  font-weight: 800;
}

@media (max-width: 520px) {
  .page-shell {
    padding-left: 14px;
    padding-right: 14px;
  }

  .site-header {
    padding-bottom: 24px;
  }

  .header-link {
    font-size: 11px;
  }

  .header-actions {
    gap: 9px;
  }

  .header-actions .header-link:first-child {
    display: none;
  }

  .feedback-grid,
  .variant-nav,
  .suite-grid {
    grid-template-columns: 1fr;
  }

  .variant-nav a {
    display: grid;
    grid-template-columns: 72px 1fr;
    align-items: center;
  }

  .variant-nav strong {
    margin-bottom: 0;
  }

  .lookup-row {
    grid-template-columns: 1fr;
  }

  .lookup-row input {
    min-height: 46px;
  }

  .event-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

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

  .bridge-main {
    padding-top: max(30px, env(safe-area-inset-top));
  }

  .bridge-card {
    padding: 26px 20px 18px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .primary-button,
  .secondary-button,
  .ghost-button,
  .variant-nav a,
  .suite-item-actions a,
  .suite-item-actions button {
    transition:
      background-color 150ms ease,
      border-color 150ms ease,
      color 150ms ease;
  }
}