/* ============================================================================
 * ALGO NODE TRADE — Crypto Payments — core stylesheet
 *
 * Brand:
 *   primary:    #9AFF4B
 *   background: #000000
 *   foreground: #FFFFFF
 *
 * Mobile-first. Breakpoints:
 *   360 / 375 / 390 / 430 / 768 / 1024 / 1280 / 1440 / 1920
 *
 * Payment UX is calm, premium, trustworthy. Avoid hacker-aesthetic.
 * ========================================================================== */

:root {
  --ant-primary:        #9AFF4B;
  --ant-primary-soft:   #c8ff95;
  --ant-primary-dim:    #6fcb2e;
  --ant-bg:             #000000;
  --ant-bg-elev:        #0c0c0c;
  --ant-bg-elev2:       #161616;
  --ant-fg:             #FFFFFF;
  --ant-fg-muted:       #b8b8b8;
  --ant-fg-dim:         #707070;
  --ant-border:        #1f1f1f;
  --ant-border-soft:   #2a2a2a;
  --ant-success:        #2ecc71;
  --ant-warn:           #f1c40f;
  --ant-error:          #ff5252;
  --ant-info:           #5bc0de;
  --ant-radius:         14px;
  --ant-radius-sm:      8px;
  --ant-gap:            1rem;
  --ant-shadow:         0 4px 24px rgba(0,0,0,0.5);
  --ant-shadow-soft:    0 2px 8px rgba(0,0,0,0.35);
  --ant-mono:           ui-monospace, "SFMono-Regular", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --ant-sans:           -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ant-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ant-fg);
  background: var(--ant-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ant-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--ant-mono); font-size: 0.92em; }

.ant-skip {
  position: absolute; left: -9999px;
}
.ant-skip:focus { position: fixed; top: 4px; left: 4px; background: var(--ant-bg-elev); padding: 6px 12px; border-radius: var(--ant-radius-sm); z-index: 100; }

.ant-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.ant-header {
  background: var(--ant-bg-elev);
  border-bottom: 1px solid var(--ant-border);
  padding: 0.75rem 1rem;
}
.ant-header__inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.ant-brand-mark {
  display: inline-block;
  width: 26px; height: 26px;
  border-radius: 6px;
  background: var(--ant-primary);
  box-shadow: 0 0 18px rgba(154,255,75,0.4);
}
.ant-brand-name { font-weight: 700; letter-spacing: 0.05em; }
.ant-brand-sub { color: var(--ant-fg-muted); font-size: 0.85rem; }

.ant-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--ant-border-soft);
}
.ant-badge--warn { background: rgba(241,196,15,0.15); color: var(--ant-warn); border-color: rgba(241,196,15,0.4); }

/* Main */
.ant-main { flex: 1 0 auto; padding: 1rem; max-width: 1440px; margin: 0 auto; width: 100%; }

/* Footer */
.ant-footer {
  border-top: 1px solid var(--ant-border);
  background: var(--ant-bg-elev);
  padding: 1rem;
}
.ant-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  color: var(--ant-fg-muted);
  font-size: 0.88rem;
}
.ant-footer__inner a { color: var(--ant-fg-muted); }
.ant-footer__inner a:hover { color: var(--ant-primary); }

/* Cards */
.ant-card {
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: var(--ant-radius);
  padding: 1.25rem;
  margin: 1rem 0;
  box-shadow: var(--ant-shadow-soft);
}
.ant-card--center { max-width: 540px; margin: 4rem auto; text-align: center; }
.ant-card--hero { text-align: center; padding: 3rem 1.25rem; background: linear-gradient(180deg, var(--ant-bg-elev2), var(--ant-bg-elev)); }
.ant-card--highlight { border-color: var(--ant-primary-dim); }

.ant-card h1 { margin-top: 0; }
.ant-card h2 { margin-top: 1.5rem; }
.ant-card h2:first-child { margin-top: 0; }

/* Buttons */
.ant-btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  background: var(--ant-bg-elev2);
  color: var(--ant-fg);
  transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
  text-decoration: none;
  min-height: 44px; /* touch target */
}
.ant-btn:hover { text-decoration: none; background: #212121; }
.ant-btn:active { transform: translateY(1px); }
.ant-btn:focus-visible { outline: 2px solid var(--ant-primary); outline-offset: 2px; }
.ant-btn--primary {
  background: var(--ant-primary);
  color: var(--ant-bg);
  font-weight: 700;
}
.ant-btn--primary:hover { background: var(--ant-primary-soft); }
.ant-btn--ghost {
  background: transparent;
  border-color: var(--ant-border-soft);
  color: var(--ant-fg);
}
.ant-btn--ghost:hover { background: var(--ant-bg-elev2); border-color: var(--ant-primary); color: var(--ant-primary); }
.ant-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.ant-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.ant-actions > * { margin: 0; }

/* Forms */
.ant-field {
  display: block;
  margin: 0.75rem 0;
}
.ant-field > span {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--ant-fg-muted);
}
.ant-field input,
.ant-field select,
.ant-field textarea {
  width: 100%;
  background: var(--ant-bg);
  color: var(--ant-fg);
  border: 1px solid var(--ant-border-soft);
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  font-size: 1rem;
  min-height: 44px;
  font-family: var(--ant-sans);
}
.ant-field input:focus,
.ant-field select:focus,
.ant-field textarea:focus {
  outline: 2px solid var(--ant-primary);
  outline-offset: -1px;
  border-color: var(--ant-primary);
}
.ant-inputrow { display: flex; gap: 0.5rem; }
.ant-inputrow input { flex: 1; }
.ant-checkbox { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; user-select: none; }
.ant-checkbox input { width: 18px; height: 18px; }
.ant-hint { color: var(--ant-fg-muted); font-size: 0.86rem; margin: 0.4rem 0; }
.ant-error {
  background: rgba(255,82,82,0.12);
  color: var(--ant-error);
  border: 1px solid rgba(255,82,82,0.4);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}
.ant-ok {
  background: rgba(46,204,113,0.12);
  color: var(--ant-success);
  border: 1px solid rgba(46,204,113,0.4);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}

/* Tables */
.ant-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.ant-table th, .ant-table td {
  padding: 0.55rem 0.7rem;
  text-align: left;
  border-bottom: 1px solid var(--ant-border);
}
.ant-table th {
  background: var(--ant-bg-elev2);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ant-fg-muted);
  border-bottom: 1px solid var(--ant-border);
}
.ant-table tr:hover td { background: rgba(255,255,255,0.02); }

/* Responsive table — collapses to cards below 768px */
@media (max-width: 768px) {
  .ant-table--responsive thead { display: none; }
  .ant-table--responsive, .ant-table--responsive tbody, .ant-table--responsive tr, .ant-table--responsive td {
    display: block;
    width: 100%;
  }
  .ant-table--responsive tr {
    margin: 0.5rem 0;
    border: 1px solid var(--ant-border);
    border-radius: 8px;
    background: var(--ant-bg-elev);
    padding: 0.5rem;
  }
  .ant-table--responsive td {
    padding: 0.35rem 0;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
  }
  .ant-table--responsive td::before {
    content: attr(data-label);
    color: var(--ant-fg-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
}

/* Status indicators */
.ant-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid var(--ant-border-soft);
}
.ant-status--created, .ant-status--open, .ant-status--invoiced, .ant-status--waiting, .ant-status--requested, .ant-status--draft { background: rgba(255,255,255,0.05); color: var(--ant-fg-muted); }
.ant-status--payment_detected, .ant-status--detected, .ant-status--confirming, .ant-status--approved, .ant-status--queued, .ant-status--broadcast { background: rgba(91,192,222,0.15); color: var(--ant-info); border-color: rgba(91,192,222,0.4); }
.ant-status--paid, .ant-status--completed, .ant-status--settled, .ant-status--final, .ant-status--delivered, .ant-status--clear { background: rgba(154,255,75,0.18); color: var(--ant-primary); border-color: var(--ant-primary-dim); }
.ant-status--underpaid, .ant-status--overpaid, .ant-status--review, .ant-status--pending_review, .ant-status--reconciliation_required, .ant-status--reviewing, .ant-status--escalated, .ant-status--not_checked { background: rgba(241,196,15,0.18); color: var(--ant-warn); border-color: rgba(241,196,15,0.4); }
.ant-status--expired, .ant-status--failed, .ant-status--rejected, .ant-status--cancelled, .ant-status--dead_letter, .ant-status--blocked { background: rgba(255,82,82,0.15); color: var(--ant-error); border-color: rgba(255,82,82,0.4); }

/* Lists */
.ant-methods, .ant-balances, .ant-topics { list-style: none; padding: 0; }
.ant-methods li, .ant-balances li, .ant-topics li { padding: 0.4rem 0; border-bottom: 1px solid var(--ant-border); }
.ant-method { display: flex; gap: 0.6rem; align-items: center; }
.ant-method__asset { font-weight: 700; }
.ant-method__net { color: var(--ant-fg-muted); }

/* Payment page */
.ant-pay {
  max-width: 720px;
  margin: 0 auto;
}
.ant-pay__header {
  text-align: center;
  padding: 1rem 0;
}
.ant-pay__brand { font-weight: 700; font-size: 1.1rem; letter-spacing: 0.08em; }
.ant-pay__secure { display: block; color: var(--ant-fg-muted); font-size: 0.85rem; letter-spacing: 0.1em; }
.ant-pay__product { text-align: center; }
.ant-pay__product h1 { font-size: 1.5rem; margin: 0; }
.ant-pay__price { font-size: 1.5rem; font-weight: 800; color: var(--ant-primary); margin: 0.5rem 0; }
.ant-pay__chips { display: flex; gap: 0.5rem; flex-wrap: wrap; justify-content: center; margin: 0.6rem 0; }
.ant-chip {
  display: flex; flex-direction: column; align-items: center;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--ant-border-soft);
  background: var(--ant-bg-elev);
  cursor: pointer;
  min-width: 96px;
  min-height: 64px;
  justify-content: center;
}
.ant-chip[disabled] { opacity: 0.4; cursor: not-allowed; }
.ant-chip--active { border-color: var(--ant-primary); background: rgba(154,255,75,0.08); }
.ant-chip__asset { font-weight: 700; }
.ant-chip__net { font-size: 0.78rem; color: var(--ant-fg-muted); }

.ant-pay__amountbox {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  justify-content: center;
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: 10px;
  padding: 1rem;
  word-break: break-all;
}
.ant-pay__amountval { font-size: 2rem; font-weight: 800; font-family: var(--ant-mono); }
.ant-pay__amountunit { color: var(--ant-fg-muted); }

.ant-pay__qr { text-align: center; margin: 1rem 0; }
.ant-pay__qr img { width: 256px; max-width: 80vw; height: auto; border-radius: 10px; background: #fff; padding: 12px; }
.ant-pay__qrdesc { color: var(--ant-fg-muted); font-size: 0.9rem; margin: 0.5rem 0; }
.ant-pay__qrdownload { display: inline-block; margin-top: 0.5rem; color: var(--ant-primary); }

.ant-pay__addrbox { text-align: center; }
.ant-pay__addrbox code {
  display: block;
  word-break: break-all;
  padding: 0.7rem;
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: 8px;
  font-size: 0.95rem;
}
.ant-pay__copyrow { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: center; margin: 0.5rem 0; }

.ant-pay__warn {
  background: rgba(255,82,82,0.08);
  border: 1px solid rgba(255,82,82,0.4);
  color: var(--ant-error);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin: 0.75rem 0;
  text-align: center;
}
.ant-pay__warn strong { color: var(--ant-primary); }

.ant-pay__status { text-align: center; margin: 1.5rem 0; }
.ant-pay__countdown { margin: 0.5rem 0; color: var(--ant-fg-muted); }
.ant-pay__countdown-val { font-family: var(--ant-mono); font-size: 1.1rem; color: var(--ant-fg); }
.ant-pay__statemsg { margin: 0.5rem 0; color: var(--ant-fg-muted); }
.ant-pay__actions { margin: 0.5rem 0; }

.ant-pay__help details {
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  margin: 0.5rem 0;
}
.ant-pay__help summary { cursor: pointer; font-weight: 600; }
.ant-pay__help p { color: var(--ant-fg-muted); margin: 0.5rem 0 0; }

/* Errors */
.ant-err-code { font-size: 4rem; font-weight: 800; color: var(--ant-primary); margin: 0; }
.ant-err-msg { color: var(--ant-fg-muted); margin: 0.5rem 0 1.5rem; }

/* Legal pages */
.ant-legal h1 { margin-top: 0; }
.ant-legal__updated { color: var(--ant-fg-muted); font-size: 0.85rem; }
.ant-legal h2 { margin-top: 1.5rem; }
.ant-legal p { color: var(--ant-fg-muted); line-height: 1.7; }

/* Receipt */
.ant-receipt { max-width: 540px; margin: 0 auto; }
.ant-receipt__dl { display: grid; grid-template-columns: 1fr 2fr; gap: 0.5rem 1rem; }
.ant-receipt__dl dt { color: var(--ant-fg-muted); }
.ant-receipt__dl dd { margin: 0; word-break: break-all; }
.ant-receipt__actions { display: flex; gap: 0.5rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* Admin layout */
.ant-admin-header {
  background: var(--ant-bg-elev);
  border-bottom: 1px solid var(--ant-border);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.ant-admin-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ant-border-soft);
  color: var(--ant-fg);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
}
.ant-admin-brand { font-weight: 700; letter-spacing: 0.06em; flex: 1; }
.ant-admin-user { color: var(--ant-fg-muted); font-size: 0.9rem; }

.ant-admin-layout {
  display: flex;
  max-width: 1440px;
  margin: 0 auto;
}
.ant-admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--ant-bg-elev);
  border-right: 1px solid var(--ant-border);
  padding: 1rem 0;
}
.ant-admin-sidebar nav ul { list-style: none; padding: 0; margin: 0; }
.ant-admin-sidebar nav a {
  display: block;
  padding: 0.55rem 1rem;
  color: var(--ant-fg-muted);
  border-left: 3px solid transparent;
}
.ant-admin-sidebar nav a:hover { background: rgba(255,255,255,0.04); color: var(--ant-fg); text-decoration: none; }
.ant-admin-sidebar nav a.active {
  color: var(--ant-primary);
  border-left-color: var(--ant-primary);
  background: rgba(154,255,75,0.05);
}
.ant-admin-main {
  flex: 1;
  padding: 1rem;
  min-width: 0;
}

.ant-admin-section__header { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.ant-admin-section__header h1 { flex: 1; }

.ant-admin-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}
.ant-metric {
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}
.ant-metric__value { display: block; font-size: 2rem; font-weight: 800; color: var(--ant-primary); }
.ant-metric__label { color: var(--ant-fg-muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

.ant-admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0; }
@media (max-width: 768px) { .ant-admin-grid { grid-template-columns: 1fr; } }

.ant-admin-filters { display: flex; gap: 0.5rem; align-items: center; margin: 1rem 0; flex-wrap: wrap; }
.ant-admin-filters label { color: var(--ant-fg-muted); display: flex; align-items: center; gap: 0.3rem; }

.ant-admin-login { max-width: 380px; }

.ant-dl { display: grid; grid-template-columns: 1fr 2fr; gap: 0.4rem 1rem; }
.ant-dl dt { color: var(--ant-fg-muted); }
.ant-dl dd { margin: 0; word-break: break-all; }

.ant-inline { display: inline; }
.ant-bal__amount { font-family: var(--ant-mono); }

/* Mobile admin */
@media (max-width: 768px) {
  .ant-admin-toggle { display: inline-block; }
  .ant-admin-sidebar {
    position: fixed;
    top: 50px;
    left: -260px;
    height: calc(100vh - 50px);
    z-index: 30;
    transition: left 200ms ease;
    width: 240px;
  }
  .ant-admin-sidebar.open { left: 0; }
  .ant-admin-main { padding: 0.5rem; }
}

/* Misc */
.ant-lead { color: var(--ant-fg-muted); font-size: 1.1rem; max-width: 60ch; margin: 1rem auto; }
.ant-wd { max-width: 720px; margin: 0 auto; }
.ant-wd__fees {
  background: var(--ant-bg-elev);
  border: 1px solid var(--ant-border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  margin: 0.75rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem;
}
.ant-wd__fees > div { display: flex; justify-content: space-between; }
.ant-wd__juris {
  background: rgba(241,196,15,0.06);
  border: 1px solid rgba(241,196,15,0.3);
  border-radius: 10px;
  padding: 0.8rem;
  margin: 0.75rem 0;
}
.ant-wd__juris p { color: var(--ant-fg-muted); margin-top: 0; }
.ant-scanpreview { text-align: center; margin: 0.5rem 0; }
.ant-scanpreview video { max-width: 100%; border-radius: 8px; }
.ant-scanresult { background: var(--ant-bg-elev); border: 1px solid var(--ant-primary); border-radius: 10px; padding: 1rem; margin: 0.5rem 0; }
.ant-scanresult dl { display: grid; grid-template-columns: 1fr 2fr; gap: 0.3rem 1rem; }
.ant-scanresult dt { color: var(--ant-fg-muted); }
.ant-wd__msg { padding: 0.6rem 0.8rem; border-radius: 8px; }

/* Responsive breakpoints — per spec §41 */
@media (max-width: 360px) {
  .ant-pay__amountval { font-size: 1.5rem; }
  .ant-pay__product h1 { font-size: 1.15rem; }
}
@media (min-width: 768px) {
  .ant-pay { max-width: 720px; }
}
@media (min-width: 1024px) {
  .ant-pay { max-width: 920px; }
  .ant-pay__address { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: start; }
}
@media (min-width: 1440px) {
  .ant-main, .ant-admin-layout { max-width: 1440px; }
}
@media (min-width: 1920px) {
  .ant-main, .ant-admin-layout { max-width: 1640px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}