:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  color-scheme: light;
  --background: #fafaf9;
  --surface: #fff;
  --field: #f4f4f5;
  --text: #171717;
  --secondary: #73737b;
  --muted: #92929a;
  --line: #e8e8eb;
  --button: #171717;
  --button-text: #fff;
  --button-hover: #343434;
  --accent: #5b56e2;
  --green: #267047;
  --success: #f0f7f1;
  --warning: #946538;
  --warning-surface: #fffbf5;
  color: var(--text);
  background: var(--background);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --background: #111113;
  --surface: #19191c;
  --field: #242428;
  --text: #eeeef0;
  --secondary: #aaaab3;
  --muted: #82828e;
  --line: #303036;
  --button: #eeeef0;
  --button-text: #171717;
  --button-hover: #d0d0d6;
  --accent: #9c98ff;
  --green: #83c99b;
  --success: #1d3025;
  --warning: #dfb987;
  --warning-surface: #32271e;
}

* { box-sizing: border-box; }
body { margin: 0; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .4; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.shell { max-width: 1180px; min-height: 100dvh; margin: auto; padding: 0 40px; display: flex; flex-direction: column; }
header { height: 104px; display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 44px; line-height: 1; font-weight: 750; letter-spacing: -2px; }
.brand:hover { text-decoration: none; }
.site-menu { position: relative; }
.site-menu > summary { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 9px; color: var(--secondary); }
.site-menu > summary:hover, .site-menu[open] > summary { color: var(--text); background: var(--field); }
.site-menu nav { position: absolute; top: calc(100% + 8px); right: 0; z-index: 10; width: 190px; padding: 5px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: 0 8px 24px #0000000c; }
.site-menu nav a, .theme-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; padding: 12px; border-radius: 7px; color: var(--text); font-size: 12px; }
.site-menu nav a:hover { background: var(--field); text-decoration: none; }
.site-menu nav a > span { color: var(--muted); }
.theme-row { padding-top: 8px; padding-bottom: 8px; }

main { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 80px; width: 100%; margin: 123px auto 80px; align-items: start; }
h1, h2 { font-size: 27px; line-height: 1.2; font-weight: 500; letter-spacing: -.9px; margin: 0 0 10px; }
h1 { font-size: clamp(40px, 4.6vw, 56px); line-height: 1.08; font-weight: 750; font-style: italic; letter-spacing: -2px; margin-bottom: 25px; }
h1 em { color: var(--accent); font-style: inherit; }
.description { color: var(--secondary); font-size: 12px; line-height: 1.7; margin: 0 0 30px; }
.intro .description { font-size: 14px; }
.protocol-line { display: flex; flex-wrap: wrap; align-items: center; column-gap: 6px; }
.protocols { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 10px; min-height: 28px; }
.protocols a { display: inline-flex; align-items: center; min-height: 28px; }
.protocols a:hover { color: var(--text); text-decoration: none; }
.protocols[data-rotating] { display: inline-grid; gap: 0; }
.protocols[data-rotating] a { grid-area: 1 / 1; justify-self: start; opacity: 0; pointer-events: none; }
.protocols[data-rotating] a[data-state="active"] { opacity: 1; pointer-events: auto; animation: protocol-enter 420ms cubic-bezier(.16, 1, .3, 1) both; }
.protocols[data-rotating] a[data-state="outgoing"] { animation: protocol-leave 230ms cubic-bezier(.4, 0, .2, 1) both; }
.protocols[data-rotating]:focus-within a[data-state="active"] { animation: none; }
@keyframes protocol-enter {
  from { opacity: 0; filter: blur(3px); transform: translateY(6px) scale(.985); }
  to { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
}
@keyframes protocol-leave {
  from { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
  to { opacity: 0; filter: blur(3px); transform: translateY(-5px) scale(.985); }
}
.railgun-logo { display: inline-block; width: 78px; height: 14px; vertical-align: -2px; background: currentColor; mask: url('/assets/railgun.svg') center / contain no-repeat; }
.privacy-pools-brand { gap: 6px; font-size: 13px; font-weight: 550; white-space: nowrap; }
.privacy-pools-logo { width: 22px; height: 22px; background: currentColor; mask: url('/assets/privacy-pools.svg') center / contain no-repeat; }
.status-badge { border: 1px solid var(--line); border-radius: 20px; padding: 3px 7px; color: var(--secondary); font-size: 10px; font-weight: 400; white-space: nowrap; }
.preview-label { margin: 0 0 20px; color: var(--secondary); font-size: 11px; }
.launch-card h2 { font-size: 25px; }
.launch-card .description { margin-bottom: 24px; }
.launch-steps { padding-left: 18px; margin: 0 0 28px; color: var(--secondary); font-size: 12px; line-height: 2.4; }
.launch-status { padding: 16px; margin: 0; border-radius: 16px; background: var(--field); text-align: center; font-size: 12px; }
.logo-phrase { display: block; white-space: nowrap; margin-top: 3px; }
.logo-stack { display: inline-flex; align-items: center; vertical-align: middle; margin-left: 5px; }
.logo-stack > span { display: grid; place-items: center; width: 32px; height: 32px; border: 2px solid var(--background); border-radius: 11px; background: var(--field); }
.logo-stack > span + span { margin-left: -10px; }
.logo-stack img { display: block; object-fit: contain; }
.benefits { display: grid; gap: 13px; margin: 30px 0 0; padding: 0; list-style: none; color: var(--secondary); font-size: 12px; }
.benefits li { display: flex; align-items: center; gap: 10px; }
.benefits li > span { color: var(--accent); }
.workspace { min-width: 0; }
.demo-card { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 24px; }
.field-label { display: block; font-size: 12px; color: var(--secondary); }
.field-hint { display: block; font-size: 10px; color: var(--muted); line-height: 1.6; }
.recipient-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; }
.recipient-field { display: flex; align-items: center; gap: 4px; min-width: 0; }
.recipient-field output { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 11px ui-monospace, SFMono-Regular, Consolas, monospace; color: var(--secondary); }
.recipient-field .copy-icon { display: grid; place-items: center; width: 28px; height: 28px; padding: 0; }
.copy-icon { flex-shrink: 0; border: 0; background: transparent; color: var(--muted); font-size: 18px; padding: 1px 3px; line-height: 1; }
.copy-icon:hover { color: var(--text); }
.amount-box { border-radius: 18px; background: var(--field); padding: 18px 20px; }
.amount-field { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.amount-field input { width: 100%; min-width: 0; border: 0; background: transparent; font-size: 44px; letter-spacing: -1.5px; font-weight: 400; padding: 0; border-radius: 3px; color: var(--text); }
.token-symbol { flex-shrink: 0; font-size: 14px; color: var(--secondary); }
.token-symbol, .protocol-choice select { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); padding: 8px; }
.protocol-choice { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 18px; font-size: 12px; }
.protocol-choice select { min-width: 0; max-width: 68%; }
#v1-code-field { margin-bottom: 18px; }
#v1-receive-code { display: block; width: 100%; resize: vertical; box-sizing: border-box; margin-top: 8px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--field); font: 11px/1.6 ui-monospace, monospace; }
#deposit-panel > .primary { margin-top: 12px; }
#amount-hint { margin-top: 10px; color: var(--warning); }
input[aria-invalid="true"] { color: var(--warning); }
summary { display: flex; align-items: center; justify-content: space-between; list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.disclosure { display: inline-block; color: var(--muted); margin-left: 5px; font-weight: 400; }
details[open] .disclosure { transform: rotate(45deg); }
.fees { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 20px; font-size: 11px; color: var(--secondary); font-variant-numeric: tabular-nums; }
.fees > div { display: flex; justify-content: space-between; gap: 15px; margin-top: 13px; font-size: 10px; color: var(--muted); }
.total { display: flex; justify-content: space-between; gap: 12px; margin: 17px 0 24px; font-size: 12px; font-variant-numeric: tabular-nums; }
.total strong { font-weight: 550; }
.primary { display: block; width: 100%; border: 0; background: var(--button); color: var(--button-text); border-radius: 16px; padding: 17px 14px; font-size: 12px; font-weight: 500; }
.primary:hover:not(:disabled) { background: var(--button-hover); }
.secondary { width: 100%; border: 1px solid var(--line); border-radius: 28px; background: var(--surface); color: var(--secondary); padding: 14px; margin-top: 10px; font-size: 12px; }
.secondary:hover { background: var(--field); }
.button-note { margin: 12px 0 0; font-size: 10px; color: var(--muted); text-align: center; }
.site-footer { margin-top: auto; padding-bottom: 22px; }
.social-links { display: flex; justify-content: center; gap: 4px; }
.social-links a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 9px; color: var(--secondary); }
.social-links a:hover { color: var(--text); background: var(--field); }
.appearance { position: fixed; bottom: 24px; left: 28px; z-index: 5; }
.theme-picker { display: flex; flex-shrink: 0; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 24px; background: var(--field); }
.theme-picker button { display: grid; place-items: center; width: 29px; height: 29px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--muted); }
.theme-picker button[aria-pressed="true"] { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px #0000000d; }
.theme-picker button:hover { color: var(--text); }
.build-version { position: fixed; right: 28px; bottom: 24px; display: flex; align-items: center; min-height: 37px; color: var(--muted); font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
a.build-version:hover { color: var(--text); }
.loading { min-height: 300px; display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--muted); font-size: 12px; }
.spinner { display: inline-block; width: 12px; height: 12px; border: 1.5px solid var(--line); border-top-color: var(--secondary); border-radius: 50%; animation: spin .8s linear infinite; flex-shrink: 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.status-icon { display: grid; place-items: center; width: 31px; height: 31px; border: 1px solid var(--line); border-radius: 50%; font-size: 17px; margin-bottom: 23px; }
.status-icon.success { color: var(--green); background: var(--success); font-size: 14px; }
.deposit-address { display: flex; align-items: center; gap: 10px; background: var(--field); border-radius: 18px; padding: 15px; margin-top: 10px; }
.deposit-address code { font: 12px/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; word-break: break-all; color: var(--secondary); flex: 1; }
.progress-status { display: flex; align-items: center; gap: 8px; color: var(--secondary); font-size: 11px; line-height: 1.7; min-height: 18px; margin: 23px 0; }
.received-amount { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; font-size: 35px; letter-spacing: -1.5px; line-height: 1.15; font-variant-numeric: tabular-nums; }
.received-unit { font-size: 14px; letter-spacing: 0; color: var(--muted); }
.verified-label { display: block; font-size: 10px; color: var(--green); margin-top: 12px; }
.receipt-details { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 16px; }
.receipt-details summary { font-size: 10px; color: var(--secondary); }
.receipt-details dl { margin: 15px 0 0; }
.receipt-details dl > div { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 12px; }
.receipt-details dt { font-size: 10px; color: var(--muted); }
.receipt-details dd { margin: 0; display: flex; align-items: center; gap: 4px; font: 10px ui-monospace, SFMono-Regular, Consolas, monospace; }
.receipt-details .copy-icon { font-size: 14px; }
.notice { border: 1px solid var(--line); background: var(--warning-surface); color: var(--warning); border-radius: 12px; padding: 12px; font-size: 11px; line-height: 1.6; margin-bottom: 24px; }
.toast { position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%); background: var(--button); color: var(--button-text); padding: 10px 18px; font-size: 11px; border-radius: 20px; }

@media (min-width: 901px) {
  .shell { padding-left: 20px; padding-right: 60px; }
}

@media (max-width: 900px) {
  header { width: 100%; max-width: 420px; margin-inline: auto; }
  main { grid-template-columns: minmax(0, 1fr); gap: 30px; max-width: 420px; margin-top: 35px; margin-bottom: 50px; }
  h1 { font-size: 42px; }
  .intro .description { margin-bottom: 0; }
  .appearance { display: none; }
  .build-version { position: static; justify-content: center; margin: 0 22px 16px; }
}

@media (max-width: 540px) {
  .shell { padding: 0 22px; }
  header { height: 82px; }
  .brand { font-size: 36px; }
  main { margin-top: 22px; }
  h1 { font-size: 38px; }
  h2 { font-size: 24px; }
  .demo-card { padding: 20px; }
  .amount-box { padding: 16px; }
  .amount-field input { font-size: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition: none !important; }
}