/* =============================================================================
   ChainPouch theme
   -----------------------------------------------------------------------------
   Plain CSS, no build step. Design tokens on :root, dark/light follows the
   system preference. The per-coin accent arrives as --accent / --accent-rgb
   from /accent.css on each coin sub-domain (brand gradient on the apex).

   Sections: tokens · base · layout · nav · buttons · forms · cards · front page
   · wallet app · tables · modals/toasts · utilities
   ========================================================================== */

@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-weight: 200 1000;
  font-display: swap;
  src: url('/public/assets/fonts/nunito-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* -- Tokens ---------------------------------------------------------------- */

:root {
  --brand-a: #3b82f6;
  --brand-b: #8b5cf6;
  --brand-gradient: linear-gradient(135deg, var(--brand-a), var(--brand-b));
  --accent: #4f6cf0;
  --accent-rgb: 79, 108, 240;

  --bg: #f4f5f8;
  --bg-elev: #ffffff;
  --bg-sunken: #e9ebf1;
  --fg: #141a2e;
  --fg-muted: #5b6478;
  --fg-faint: #8a92a6;
  --line: #dfe3ec;
  --line-strong: #c8cedb;

  --ok: #16a34a;
  --warn: #d97706;
  --danger: #dc2626;
  --info: #2563eb;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15, 20, 40, .06), 0 8px 24px -12px rgba(15, 20, 40, .18);
  --shadow-lg: 0 20px 50px -20px rgba(15, 20, 40, .35);

  --font: 'Nunito', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  --container: 1120px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1428;
    --bg-elev: #171d36;
    --bg-sunken: #0b0f20;
    --fg: #eef0f6;
    --fg-muted: #a6adc2;
    --fg-faint: #6f778f;
    --line: #262d48;
    --line-strong: #364069;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -12px rgba(0, 0, 0, .6);
    --shadow-lg: 0 20px 50px -20px rgba(0, 0, 0, .8);
  }
}

/* -- Base ------------------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: inline-block; }
code, .mono { font-family: var(--mono); font-size: .92em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 1.5rem 0; }
ul, ol { padding-left: 1.3rem; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid rgba(var(--accent-rgb), .55); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }
.layout__main { flex: 1 0 auto; padding-block: clamp(1.5rem, 4vw, 3rem); }
.layout--wallet .layout__main { padding-top: 1.5rem; }
/* Vertical rhythm between the blocks a wallet page renders (balance card, stats, actions, lists). */
.layout--wallet #app > * + * { margin-top: 1.25rem; }
.layout--wallet #app > .app-head + * { margin-top: 0; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--bg-elev); padding: .5rem 1rem; border-radius: var(--radius-sm); z-index: 100; }
.skip-link:focus { left: 8px; }

.muted { color: var(--fg-muted); }
.faint { color: var(--fg-faint); }
.small { font-size: .88rem; }
.tiny { font-size: .78rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .74rem; font-weight: 800; color: var(--accent); margin-bottom: .6rem; }
.accent-text { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
[data-site="coin"] .accent-text { background: none; color: var(--accent); }
.link { font-weight: 700; }
.break { overflow-wrap: anywhere; word-break: break-all; }
.right { text-align: right; }
.center { text-align: center; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.row--between { justify-content: space-between; }
.stack > * + * { margin-top: 1rem; }
.grid-2 { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* -- Testnet banner -------------------------------------------------------- */

.testnet-banner {
  background: repeating-linear-gradient(135deg, #f59e0b 0 14px, #fbbf24 14px 28px);
  color: #1c1917;
  font-weight: 800;
  text-align: center;
  padding: .45rem 1rem;
  font-size: .85rem;
  letter-spacing: .02em;
}

/* -- Header / nav ---------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--fg); font-weight: 800; letter-spacing: -.03em; font-size: 1.25rem; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__mark { width: 30px; height: 30px; display: inline-block; background: url('/public/assets/img/brand/mark-gradient.svg') center / contain no-repeat; }
.brand__icon { width: 28px; height: 28px; border-radius: 50%; }
.brand--muted { font-size: 1.05rem; }
.nav__list { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: .25rem; }
.nav__link { display: inline-block; padding: .5rem .8rem; border-radius: var(--radius-sm); color: var(--fg-muted); font-weight: 700; }
.nav__link:hover, .nav__link.is-active { color: var(--fg); background: var(--bg-sunken); text-decoration: none; }
.nav__link.is-active { color: var(--accent); }
.nav__toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); width: 42px; height: 38px; padding: 8px; cursor: pointer; flex-direction: column; justify-content: space-between; }
.nav__toggle span { display: block; height: 2px; background: var(--fg); border-radius: 2px; }
@media (max-width: 860px) {
  .nav__toggle { display: flex; }
  .nav__list { display: none; position: absolute; top: 100%; right: 0; left: 0; flex-direction: column; align-items: stretch; background: var(--bg-elev); border: 1px solid var(--line); border-radius: 0 0 var(--radius) var(--radius); padding: .5rem; box-shadow: var(--shadow-lg); }
  .nav__list.is-open { display: flex; }
  .nav__list li { width: 100%; }
  .nav__list .nav__link, .nav__list .btn { width: 100%; text-align: left; justify-content: flex-start; padding-left: .8rem; }
}

/* Coin switcher (wallet header): a CSS-only dropdown built on <details>. */
.coin-switch { position: relative; margin-left: auto; }
.coin-switch__toggle { list-style: none; display: inline-flex; align-items: center; gap: .35rem; padding: .45rem .75rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--bg-elev); color: var(--fg-muted); font-weight: 800; font-size: .88rem; cursor: pointer; white-space: nowrap; user-select: none; }
.coin-switch__toggle::-webkit-details-marker { display: none; }
.coin-switch__toggle:hover, .coin-switch[open] .coin-switch__toggle { color: var(--fg); border-color: var(--fg-faint); }
.coin-switch__caret { font-size: .8em; transition: transform .15s ease; }
.coin-switch[open] .coin-switch__caret { transform: rotate(180deg); }
.coin-switch__menu { list-style: none; margin: .4rem 0 0; padding: .4rem; position: absolute; right: 0; top: 100%; min-width: 240px; max-height: min(70vh, 480px); overflow-y: auto; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); z-index: 60; }
.coin-switch__item { display: flex; align-items: center; gap: .6rem; padding: .5rem .6rem; border-radius: var(--radius-sm); color: var(--fg); font-weight: 700; text-decoration: none; }
.coin-switch__item:hover { background: var(--bg-sunken); text-decoration: none; }
.coin-switch__item img { width: 22px; height: 22px; border-radius: 50%; flex: none; }
.coin-switch__item .small { margin-left: auto; }
.coin-switch__foot { border-top: 1px solid var(--line); margin-top: .3rem; padding-top: .3rem; }
.coin-switch__item--all { color: var(--accent); justify-content: center; }
@media (max-width: 860px) {
  .coin-switch { margin-left: 0; }
  .coin-switch__label { display: none; }
  .coin-switch__toggle::before { content: '⇄'; font-weight: 900; }
  .coin-switch__menu { position: fixed; left: 16px; right: 16px; top: 64px; min-width: 0; }
}

/* Homepage screenshots ("What you get"). */
.screens { display: grid; gap: 1.25rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.screen { margin: 0; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.screen--wide { grid-column: 1 / -1; }
.screen img { display: block; width: 100%; height: auto; border-bottom: 1px solid var(--line); }
.screen figcaption { padding: .8rem 1rem; font-weight: 700; color: var(--fg-muted); font-size: .92rem; }
@media (max-width: 760px) { .screens { grid-template-columns: 1fr; } }

/* "Your other coins" on the dashboard. */
.coin-row { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.coin-chip { display: flex; align-items: center; gap: .55rem; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-elev); color: var(--fg); font-weight: 800; font-size: .9rem; text-decoration: none; transition: border-color .15s ease, transform .08s ease; }
.coin-chip:hover { text-decoration: none; border-color: var(--chip-accent, var(--line-strong)); transform: translateY(-1px); }
.coin-chip img { width: 24px; height: 24px; border-radius: 50%; flex: none; }
.coin-chip__ticker { margin-left: auto; color: var(--fg-muted); font-size: .78rem; font-weight: 700; }

/* -- Buttons --------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .62rem 1.15rem; border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: var(--bg-elev); color: var(--fg); font-weight: 800; cursor: pointer; text-decoration: none;
  transition: transform .08s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  line-height: 1.2; white-space: nowrap;
}
.btn:hover { text-decoration: none; border-color: var(--fg-faint); }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none; }
.btn--primary { background: var(--accent); border-color: transparent; color: #fff; box-shadow: 0 6px 18px -8px rgba(var(--accent-rgb), .8); }
[data-site="apex"] .btn--primary { background: var(--brand-gradient); }
.btn--primary:hover { filter: brightness(1.06); border-color: transparent; }
.btn--outline { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--fg-muted); }
.btn--ghost:hover { background: var(--bg-sunken); border-color: transparent; color: var(--fg); }
.btn--danger { background: var(--danger); border-color: transparent; color: #fff; }
.btn--sm { padding: .42rem .8rem; font-size: .88rem; }
.btn--lg { padding: .85rem 1.5rem; font-size: 1.05rem; }
.btn--block { width: 100%; }
.btn--icon { padding: .4rem; width: 36px; height: 36px; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; margin-top: 1.25rem; }

/* -- Forms ----------------------------------------------------------------- */

.form { display: flex; flex-direction: column; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .35rem; }
.field__label { font-weight: 700; font-size: .92rem; }
.field__hint { font-size: .82rem; color: var(--fg-muted); }
.field--inline { flex-direction: row; align-items: center; gap: .6rem; }
.input, .select, .textarea {
  width: 100%; padding: .7rem .85rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--bg-elev); color: var(--fg); transition: border-color .15s ease, box-shadow .15s ease;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .2); }
.input--mono { font-family: var(--mono); }
.input--lg { font-size: 1.15rem; padding: .85rem 1rem; }
.textarea { min-height: 96px; resize: vertical; }
.input-group { display: flex; align-items: stretch; }
.input-group .input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: 0; }
.input-group .input-group__addon { display: flex; align-items: center; padding: 0 .8rem; border: 1px solid var(--line-strong); border-left: 0; background: var(--bg-sunken); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-weight: 700; color: var(--fg-muted); }
.form__error { color: var(--danger); font-weight: 700; margin: 0; }
.form__ok { color: var(--ok); font-weight: 700; margin: 0; }
.checkbox { display: flex; gap: .6rem; align-items: flex-start; font-size: .95rem; }
.checkbox input { margin-top: .3rem; width: 18px; height: 18px; accent-color: var(--accent); }
.segmented { display: inline-flex; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); overflow: hidden; }
.segmented button { background: var(--bg-elev); border: 0; padding: .5rem .9rem; cursor: pointer; font-weight: 700; color: var(--fg-muted); }
.segmented button + button { border-left: 1px solid var(--line-strong); }
.segmented button.is-active { background: var(--accent); color: #fff; }
.meter { height: 8px; border-radius: 4px; background: var(--bg-sunken); overflow: hidden; }
.meter__bar { height: 100%; width: 0; background: var(--danger); transition: width .2s ease, background .2s ease; }
.meter__bar[data-score="2"] { background: var(--warn); }
.meter__bar[data-score="3"] { background: #65a30d; }
.meter__bar[data-score="4"] { background: var(--ok); }

/* -- Cards ----------------------------------------------------------------- */

.card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.1rem, 3vw, 1.75rem); box-shadow: var(--shadow); }
.card + .card { margin-top: 1.25rem; }
.card__title { margin-bottom: .35rem; }
.card__lead { color: var(--fg-muted); margin-bottom: 1.25rem; }
.card--auth { max-width: 520px; margin-inline: auto; }
.card--flat { box-shadow: none; }
.card--danger { border-color: rgba(220, 38, 38, .4); }
.card__header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }

.badge { display: inline-block; padding: .15rem .55rem; border-radius: 999px; font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; background: var(--bg-sunken); color: var(--fg-muted); }
.badge--ok { background: rgba(22, 163, 74, .15); color: var(--ok); }
.badge--warn { background: rgba(217, 119, 6, .18); color: var(--warn); }
.badge--danger { background: rgba(220, 38, 38, .15); color: var(--danger); }
.badge--accent { background: rgba(var(--accent-rgb), .15); color: var(--accent); }

.alerts { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: .6rem; }
.alert { padding: .8rem 1rem; border-radius: var(--radius-sm); border: 1px solid; font-weight: 600; }
.alert--success { background: rgba(22, 163, 74, .1); border-color: rgba(22, 163, 74, .35); color: var(--ok); }
.alert--info { background: rgba(37, 99, 235, .1); border-color: rgba(37, 99, 235, .35); color: var(--info); }
.alert--warning { background: rgba(217, 119, 6, .12); border-color: rgba(217, 119, 6, .4); color: var(--warn); }
.alert--danger { background: rgba(220, 38, 38, .1); border-color: rgba(220, 38, 38, .35); color: var(--danger); }
.notice { padding: 1rem 1.15rem; border-radius: var(--radius-sm); border: 1px solid var(--line); background: var(--bg-sunken); margin: 1rem 0; }
.notice:first-child { margin-top: 0; }
.notice:last-child { margin-bottom: 0; }
.form > .notice, .modal .notice:first-child { margin: 0; }
.notice--warn { border-color: rgba(217, 119, 6, .5); background: rgba(217, 119, 6, .08); }
.notice--danger { border-color: rgba(220, 38, 38, .5); background: rgba(220, 38, 38, .08); }
.notice--info { border-color: rgba(37, 99, 235, .45); background: rgba(37, 99, 235, .07); margin-top: 1rem; }
.notice strong { font-weight: 800; }

/* -- Front page ------------------------------------------------------------ */

.hero { padding: clamp(2rem, 6vw, 5rem) 0 clamp(2rem, 5vw, 4rem); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: -40% -20% auto; height: 120%; background: radial-gradient(60% 50% at 70% 30%, rgba(139, 92, 246, .18), transparent 70%), radial-gradient(50% 40% at 20% 60%, rgba(59, 130, 246, .16), transparent 70%); pointer-events: none; }
/* On a coin site the hero sits inside the content column, so a clipped glow would look like a box:
   a soft rounded panel tinted with the coin's accent instead. */
[data-site="coin"] .hero { padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2.5rem); border-radius: var(--radius); background: linear-gradient(135deg, rgba(var(--accent-rgb), .10), rgba(var(--accent-rgb), .02) 60%, transparent); border: 1px solid rgba(var(--accent-rgb), .18); }
[data-site="coin"] .hero::before { display: none; }
.hero__inner { display: grid; gap: 3rem; grid-template-columns: 1.2fr .8fr; align-items: center; position: relative; }
.hero__title { font-size: clamp(2.1rem, 5vw, 3.4rem); margin-bottom: 1rem; }
.hero__lead { font-size: 1.15rem; color: var(--fg-muted); max-width: 56ch; }
.hero__facts { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem 1.25rem; color: var(--fg-muted); font-weight: 700; font-size: .92rem; }
.hero__facts li::before { content: '✓'; color: var(--ok); margin-right: .4rem; font-weight: 900; }
@media (max-width: 860px) { .hero__inner { grid-template-columns: 1fr; gap: 1.5rem; } .hero__visual { max-width: 380px; } .vault-card { transform: none; padding: 1rem; } }
@media (max-width: 480px) { .hero__facts { grid-template-columns: 1fr; } }

.vault-card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow-lg); transform: rotate(-2deg); }
.vault-card__row { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem .9rem; border-radius: var(--radius-sm); background: var(--bg-sunken); font-weight: 700; }
.vault-card__row--server { border: 1px dashed var(--line-strong); background: transparent; color: var(--fg-muted); }
.vault-card__k { color: var(--fg-muted); text-transform: uppercase; font-size: .72rem; letter-spacing: .08em; align-self: center; }
.vault-card__arrow { text-align: center; color: var(--fg-faint); font-size: .8rem; padding: .35rem 0; }
.vault-card__arrow::before { content: '↓ '; }

.section { padding: clamp(2rem, 5vw, 4rem) 0; }
.section--alt { background: var(--bg-elev); border-block: 1px solid var(--line); }
.section__title { margin-bottom: .4rem; }
.section__lead { margin-bottom: 1.75rem; max-width: 64ch; }

.coin-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.coin-grid--compact { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.coin-card {
  --card-accent: var(--accent);
  display: flex; flex-direction: column; gap: .2rem; padding: 1.25rem; border-radius: var(--radius);
  background: var(--bg-elev); border: 1px solid var(--line); color: var(--fg); box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .15s ease, border-color .15s ease; position: relative; overflow: hidden;
}
.coin-card::after { content: ''; position: absolute; inset: 0 0 auto; height: 4px; background: var(--card-accent); }
.coin-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); text-decoration: none; border-color: var(--card-accent); }
.coin-card__icon { width: 48px; height: 48px; margin-bottom: .6rem; }
.coin-card__name { font-weight: 800; font-size: 1.1rem; }
.coin-card__ticker { color: var(--fg-muted); font-weight: 700; font-size: .85rem; }
.coin-card__tagline { margin-top: .4rem; }
.coin-card__host { margin-top: .6rem; color: var(--card-accent); }
.coin-inline { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: step; }
.step { position: relative; padding: 1.25rem 1.25rem 1.25rem 4rem; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.step__num { position: absolute; left: 1.1rem; top: 1.1rem; width: 2rem; height: 2rem; border-radius: 50%; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-weight: 900; }
.step__title { margin-bottom: .3rem; }
.feature-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-bottom: 1.5rem; }
.feature { padding: 1.25rem; background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); }
@media (max-width: 640px) { .feature--extra { display: none; } }
.why-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.why { padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.why__icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(var(--accent-rgb), .12); color: var(--accent); font-weight: 900; font-size: 1.2rem; margin-bottom: .6rem; }
[data-site="apex"] .why__icon { background: linear-gradient(135deg, rgba(59,130,246,.15), rgba(139,92,246,.15)); color: var(--brand-b); }
.why__title { font-size: 1.05rem; margin-bottom: .3rem; }
.why p { margin: 0; color: var(--fg-muted); }
.tech { margin-top: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); padding: .5rem 1.1rem; }
.tech summary { cursor: pointer; font-weight: 800; padding: .6rem 0; color: var(--fg-muted); }
.tech__body { padding: .25rem 0 .75rem; }
.tech__body li { margin-bottom: .6rem; }
.tech--inline { margin: 1rem 0 0; }
.wizard { margin-bottom: 1.25rem; }
.wizard .wizard-steps { margin-bottom: .5rem; }
.wizard__label { margin: 0; }
.coin-card__cta { margin-top: .75rem; color: var(--card-accent); font-weight: 800; font-size: .92rem; }
.feature__title { font-size: 1.05rem; margin-bottom: .4rem; }
.feature p { margin: 0; color: var(--fg-muted); }

.faq { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.25rem; }
.faq__item { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .3rem 1rem; }
.section--alt .faq__item, .page--prose .faq__item { background: var(--bg-elev); }
.faq__item summary { cursor: pointer; font-weight: 800; padding: .6rem 0; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: '+'; color: var(--accent); font-weight: 900; }
.faq__item[open] summary::after { content: '−'; }
.faq__item p { color: var(--fg-muted); margin: 0 0 .8rem; }

.page__header { margin-bottom: 1.75rem; }
.page__lead { font-size: 1.1rem; }
.page--narrow { max-width: 760px; }
.page--prose { max-width: 780px; }
.page--prose h2 { margin-top: 2rem; font-size: 1.35rem; }
.page--prose li { margin-bottom: .4rem; }
.page--error { text-align: center; max-width: 760px; }
.page--error .coin-grid { text-align: left; margin: 1.5rem 0; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev); }
.table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.table th, .table td { text-align: left; padding: .75rem .9rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-muted); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg-sunken); }
.table td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 640px) {
  /* Phones: drop the wallet-site column (the Open button leads there anyway). */
  .table--coins th:nth-child(4), .table--coins td:nth-child(4) { display: none; }
  .table--coins th, .table--coins td { padding: .6rem .6rem; }
}

/* -- Footer ---------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--line); background: var(--bg-elev); padding: 2.5rem 0 1.5rem; margin-top: auto; }
.site-footer__inner { display: grid; gap: 2rem; grid-template-columns: 1.3fr 1.7fr 1fr 1fr; }
@media (max-width: 760px) { .site-footer__inner { grid-template-columns: 1fr 1fr; } }
.site-footer__title { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-muted); margin-bottom: .6rem; }
.site-footer__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .35rem; }
.site-footer__list a { color: var(--fg); font-weight: 600; }
/* The coin list grows with every network: two columns keep the footer short. */
.site-footer__list--coins { display: block; columns: 2; column-gap: 1.5rem; }
.site-footer__list--coins li { break-inside: avoid; margin-bottom: .35rem; }
@media (max-width: 480px) { .site-footer__list--coins { columns: 1; } }
.site-footer__bottom { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); }

/* -- Wallet app ------------------------------------------------------------ */

.page-loading { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 4rem 0; }
.spinner { width: 36px; height: 36px; border-radius: 50%; border: 3px solid var(--line); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner--sm { width: 18px; height: 18px; border-width: 2px; }

.app-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.app-head__title { margin: 0; }
.app-head__sub { color: var(--fg-muted); margin: 0; }
.wallet-id { font-family: var(--mono); font-size: .85rem; color: var(--fg-muted); }

.balance-card { background: linear-gradient(135deg, rgba(var(--accent-rgb), .18), rgba(var(--accent-rgb), .04)); border: 1px solid rgba(var(--accent-rgb), .35); }
.balance-card__label { text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; color: var(--fg-muted); font-weight: 800; }
.balance-card__amount { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; letter-spacing: -.02em; font-variant-numeric: tabular-nums; line-height: 1.1; margin: .25rem 0; }
.balance-card__amount small { font-size: .5em; color: var(--fg-muted); font-weight: 800; margin-left: .3rem; }
.balance-card__fiat { color: var(--fg-muted); font-weight: 700; }
.balance-card__pending { color: var(--warn); font-weight: 700; font-size: .9rem; }

.stat-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.stat { padding: .9rem 1rem; border-radius: var(--radius-sm); background: var(--bg-sunken); }
.stat__k { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-muted); font-weight: 800; }
.stat__v { font-weight: 800; font-size: 1.05rem; font-variant-numeric: tabular-nums; }

.tx-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; }
.tx { display: grid; grid-template-columns: 40px 1fr auto; gap: .9rem; align-items: center; padding: .85rem .5rem; border-bottom: 1px solid var(--line); }
.tx:last-child { border-bottom: 0; }
.tx__icon { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 900; background: var(--bg-sunken); color: var(--fg-muted); }
.tx__icon--in { background: rgba(22, 163, 74, .15); color: var(--ok); }
.tx__icon--out { background: rgba(220, 38, 38, .12); color: var(--danger); }
.tx__icon--self { background: rgba(37, 99, 235, .12); color: var(--info); }
.tx__main { min-width: 0; }
.tx__title { font-weight: 800; display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.tx__sub { font-size: .82rem; color: var(--fg-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tx__amount { text-align: right; font-weight: 800; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tx__amount--in { color: var(--ok); }
.tx__amount--out { color: var(--fg); }
.tx__fiat { display: block; font-size: .8rem; color: var(--fg-muted); font-weight: 600; }
.tx--pending .tx__icon { border: 2px dashed var(--warn); }

.address-box { display: flex; flex-direction: column; gap: .75rem; align-items: center; text-align: center; }
.qr { background: #fff; padding: 12px; border-radius: var(--radius-sm); border: 1px solid var(--line); display: inline-block; line-height: 0; }
.qr svg { width: 220px; height: 220px; display: block; }
.address-text { font-family: var(--mono); font-size: 1rem; word-break: break-all; padding: .7rem .9rem; background: var(--bg-sunken); border-radius: var(--radius-sm); max-width: 100%; }
.address-list { list-style: none; padding: 0; margin: 0; }
.address-row { display: grid; grid-template-columns: 1fr auto; gap: .75rem; padding: .7rem .25rem; border-bottom: 1px solid var(--line); align-items: center; }
.address-row:last-child { border-bottom: 0; }
@media (max-width: 640px) {
  /* Phones: the address gets the full width, actions and balance move below it. */
  .address-row { grid-template-columns: 1fr; gap: .5rem; }
  .address-row__bal { text-align: left; }
}
.address-row__addr { font-family: var(--mono); font-size: .86rem; word-break: break-all; }
.address-row__meta { font-size: .8rem; color: var(--fg-muted); display: flex; gap: .6rem; flex-wrap: wrap; }
.address-row__bal { font-weight: 800; font-variant-numeric: tabular-nums; white-space: nowrap; text-align: right; }
.label-btn { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font-weight: 700; font-size: .8rem; }

.fee-presets { display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.fee-preset { border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--bg-elev); padding: .6rem .7rem; cursor: pointer; text-align: left; }
.fee-preset.is-active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(var(--accent-rgb), .25); }
.fee-preset__name { font-weight: 800; display: block; }
.fee-preset__rate { font-size: .82rem; color: var(--fg-muted); display: block; }
.summary { display: flex; flex-direction: column; gap: .5rem; }
.summary__row { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 0; border-bottom: 1px dashed var(--line); }
.summary__row:last-child { border-bottom: 0; }
.summary__row strong { font-variant-numeric: tabular-nums; }
.summary__row--total { font-size: 1.1rem; }

.words { display: grid; gap: .5rem; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); counter-reset: word; list-style: none; padding: 0; margin: 1rem 0; }
.words li { counter-increment: word; padding: .55rem .7rem; background: var(--bg-sunken); border-radius: var(--radius-sm); font-weight: 800; font-family: var(--mono); display: flex; gap: .5rem; align-items: center; }
.words li::before { content: counter(word); color: var(--fg-faint); font-size: .75rem; min-width: 1.4em; font-family: var(--font); }
.words--blur li { filter: blur(6px); user-select: none; }
.wizard-steps { display: flex; gap: .4rem; margin-bottom: 1.25rem; }
.wizard-steps span { flex: 1; height: 6px; border-radius: 3px; background: var(--line); }
.wizard-steps span.is-done { background: var(--accent); }
.wizard-steps span.is-current { background: rgba(var(--accent-rgb), .55); }

.lock-overlay { position: fixed; inset: 0; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: 90; display: grid; place-items: center; padding: 1rem; }
.lock-card { width: 100%; }
.pagination { display: flex; gap: .5rem; align-items: center; justify-content: center; margin-top: 1rem; }

/* -- Modals & toasts ------------------------------------------------------- */

.modal-root:empty { display: none; }
.modal-backdrop { position: fixed; inset: 0; background: rgba(6, 9, 20, .55); z-index: 80; display: grid; place-items: center; padding: 1rem; }
.modal { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; width: 100%; max-width: 520px; box-shadow: var(--shadow-lg); max-height: 92vh; overflow: auto; }
.modal--wide { max-width: 720px; }
.modal__title { margin-bottom: .75rem; }
.modal__actions { display: flex; gap: .6rem; justify-content: flex-end; margin-top: 1.25rem; flex-wrap: wrap; }
.toasts { position: fixed; right: 1rem; bottom: 1rem; display: flex; flex-direction: column; gap: .5rem; z-index: 95; max-width: min(420px, calc(100vw - 2rem)); }
.toast { padding: .8rem 1rem; border-radius: var(--radius-sm); background: var(--fg); color: var(--bg); font-weight: 700; box-shadow: var(--shadow-lg); animation: toast-in .2s ease; }
.toast--ok { background: var(--ok); color: #fff; }
.toast--error { background: var(--danger); color: #fff; }
.toast--warn { background: var(--warn); color: #fff; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* -- Utilities ------------------------------------------------------------- */

.copy-btn { display: inline-flex; gap: .35rem; align-items: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.divider { text-align: center; color: var(--fg-faint); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; margin: 1rem 0; display: flex; align-items: center; gap: .75rem; }
.divider::before, .divider::after { content: ''; flex: 1; border-top: 1px solid var(--line); }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; font-size: .95rem; }
.kv dt { color: var(--fg-muted); font-weight: 700; }
.kv dd { margin: 0; word-break: break-all; }
.pill-list { display: flex; gap: .4rem; flex-wrap: wrap; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--fg-faint); margin-right: .35rem; }
.status-dot--ok { background: var(--ok); }
.status-dot--warn { background: var(--warn); }
.status-dot--danger { background: var(--danger); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
@media print { .site-header, .site-footer, .toasts, .lock-overlay { display: none !important; } }

/* -- Coin landing pages (/wallet/<slug>) ----------------------------------- */
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .85rem; color: var(--fg-muted); margin-bottom: 1.25rem; }
.breadcrumbs a { color: inherit; }
.coin-landing__header { position: relative; }
.coin-landing__icon { width: 64px; height: 64px; border-radius: 50%; margin-bottom: .75rem; }
.coin-landing h2 { margin-top: 2.75rem; }
.coin-landing .feature-grid { margin-top: 1rem; }
.coin-landing__facts { margin-top: 1rem; }
.coin-landing .coin-row { margin-top: 1rem; }
.coin-landing .faq { margin-top: 1rem; }
.coin-landing { max-width: 960px; }
.coin-landing h2 { font-size: 1.45rem; }
.coin-landing p, .coin-landing li { max-width: 72ch; }
@media (min-width: 640px) { .coin-landing .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }