/* Cerebral v1.0, brand-matched design */

:root {
  --bg:           #EBE8E2;
  --bg-paper:     #F2EFE9;
  --bg-card:     #FFFFFF;
  --bg-input:    #FAF8F3;
  --border:      #D8D2C5;
  --border-h:    #C2BBA9;
  --fg:          #1A1A1A;
  --fg-dim:      #565047;
  --fg-mute:    #8C8579;
  --orange:     #E27343;
  --orange-d:   #C45D2E;
  --orange-soft:rgba(226, 115, 67, 0.14);
  --blue:       #5193C7;
  --blue-d:     #3D7AAD;
  --blue-soft:  rgba(81, 147, 199, 0.14);
  --green:      #5B9B6F;
  --red:        #C04E3B;

  --sans: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--fg); color: var(--bg); }

/* very subtle paper grain via SVG noise */
body::before {
  content: '';
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 25% 20%, rgba(226, 115, 67, 0.05), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(81, 147, 199, 0.05), transparent 45%);
}

#neuralCanvas {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

main, header, footer { position: relative; z-index: 1; }

a { color: var(--orange-d); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--orange); text-decoration: underline; }

/* ---------- TOPBAR ---------- */
#topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  height: 72px;
  background: rgba(235, 232, 226, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex; align-items: center; gap: 14px;
  text-decoration: none;
  color: var(--fg);
}
.brand:hover { color: var(--fg); }
.brand-logo {
  width: 44px; height: 44px;
  display: block;
  border-radius: 50%;
}
.brand-name {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.brand-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
  text-transform: uppercase;
}

.topnav {
  display: flex; gap: 32px;
  justify-self: center;
}
.navlink {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--fg-dim);
  padding-bottom: 4px;
  border-bottom: 1.5px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.navlink:hover { color: var(--fg); text-decoration: none; }
.navlink.active { color: var(--orange-d); border-bottom-color: var(--orange); }
@media (max-width: 980px) { .topnav { display: none; } }

.topbar-right {
  display: flex; align-items: center; gap: 12px;
  justify-self: end;
}
.status-cluster {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-mute);
  letter-spacing: 0.12em;
}
.dot {
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  display: inline-block;
}
.dot.live, .dot.pulse {
  background: var(--green);
  animation: pulseDot 2.4s infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(91, 155, 111, 0.45); }
  70%      { box-shadow: 0 0 0 7px transparent; }
}
.status-text { color: var(--fg-dim); text-transform: lowercase; }
.kv .k { color: var(--fg-mute); }
.kv .v { color: var(--fg); font-variant-numeric: tabular-nums; }
.sep { color: var(--fg-mute); }

.ico-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg-card);
  transition: all 0.2s;
}
.ico-btn:hover {
  color: var(--bg-card);
  background: var(--fg);
  border-color: var(--fg);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border: 1px solid var(--fg);
  border-radius: 999px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover:not(:disabled) {
  background: var(--fg);
  color: var(--bg-card);
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--orange-d);
  border-color: var(--orange-d);
  color: #fff;
}
.btn-secondary {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.btn-secondary:hover:not(:disabled) {
  background: var(--blue-d);
  border-color: var(--blue-d);
  color: #fff;
}

/* ---------- MAIN ---------- */
main { max-width: 1200px; margin: 0 auto; padding: 56px 32px 96px; }
.section { margin-bottom: 72px; }
.section-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.section-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
}
.section-title {
  font-family: var(--sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--fg);
}
.section-meta {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--fg-mute);
}

/* ---------- HERO ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding: 64px 0 64px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 32px; text-align: left; padding: 32px 0 40px; }
}
.hero-left { display: flex; flex-direction: column; gap: 22px; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 8px;
  align-self: flex-start;
  padding: 6px 14px;
  border: 1px solid var(--orange);
  background: var(--orange-soft);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--orange-d);
  text-transform: uppercase;
}
.hero-pill .dot { background: var(--orange); animation: pulseOrange 2.4s infinite; }
@keyframes pulseOrange {
  0%, 100% { box-shadow: 0 0 0 0 rgba(226, 115, 67, 0.45); }
  70%      { box-shadow: 0 0 0 7px transparent; }
}
.hero-title {
  font-size: 64px;
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1;
  color: var(--fg);
}
.hero-title .accent-orange { color: var(--orange-d); }
.hero-title .accent-blue   { color: var(--blue-d); }
.hero-sub {
  font-size: 17px;
  color: var(--fg-dim);
  max-width: 560px;
  line-height: 1.7;
}
.hero-meta {
  display: flex; gap: 24px; flex-wrap: wrap;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  letter-spacing: 0.18em;
}
.hero-meta .k { color: var(--fg-mute); }
.hero-meta .v { color: var(--orange-d); font-variant-numeric: tabular-nums; }

.hero-right {
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.hero-glyph {
  width: 340px; height: 340px; max-width: 100%;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 16px;
  box-shadow: 0 30px 80px -30px rgba(26, 26, 26, 0.18);
  animation: heroFloat 9s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@media (max-width: 720px) {
  .hero-title { font-size: 44px; }
  .hero-glyph { width: 240px; height: 240px; }
}

/* ---------- STAT GRID ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 840px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex; flex-direction: column; gap: 6px;
}
.stat-lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.stat-val {
  font-family: var(--sans);
  font-size: 26px;
  font-weight: 700;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.stat-val.primary { color: var(--orange-d); }
.stat-val.secondary { color: var(--blue-d); }
.stat-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-mute);
  font-variant-numeric: tabular-nums;
}

/* ---------- ACTION CARDS ---------- */
.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 900px) { .action-grid { grid-template-columns: 1fr; } }
.act-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
}
.act-head {
  display: flex; justify-content: space-between; align-items: center;
}
.act-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--fg);
}
.act-desc { font-size: 14px; color: var(--fg-dim); line-height: 1.6; }

.badge-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--border-h);
  border-radius: 999px;
  background: var(--bg-paper);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.badge-pill.verified {
  border-color: var(--orange);
  color: var(--orange-d);
  background: var(--orange-soft);
}

.input-row {
  display: flex; flex-direction: column; gap: 6px;
}
.input-row label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.input-row textarea,
.input-row input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 12px;
  resize: vertical;
  min-height: 48px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-row textarea { min-height: 90px; word-break: break-all; }
.input-row textarea:focus,
.input-row input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-soft);
}

.verify-hint { font-size: 12px; color: var(--fg-mute); }

.pos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.pos-cell {
  background: var(--bg-paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.pos-cell.wide { grid-column: span 2; }
.pos-lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.pos-val {
  margin-top: 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}
.pos-val.primary { color: var(--orange-d); }
.pos-val.secondary { color: var(--blue-d); }
.pos-val-big { font-size: 26px; }
.muted { color: var(--fg-mute); font-size: 0.7em; }

.action-row { display: flex; gap: 10px; margin-top: 4px; }
.action-row .btn { flex: 1; padding: 13px 18px; }

/* ---------- HOW-IT-WORKS ---------- */
.howto-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) { .howto-grid { grid-template-columns: 1fr; } }
.hk-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  display: flex; flex-direction: column; gap: 12px;
}
.hk-step {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange-d);
}
.hk-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.3px;
}
.hk-body { font-size: 13px; color: var(--fg-dim); line-height: 1.7; }

/* ---------- BANNER STRIP ---------- */
.banner-strip {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  overflow: hidden;
  margin-bottom: 56px;
}
.banner-strip img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- FEED ---------- */
.feed-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  max-height: 480px; overflow-y: auto;
}
.feed-row {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 100px;
  gap: 12px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  align-items: center;
}
.feed-row:last-child { border-bottom: 0; }
.feed-row:hover { background: var(--bg-paper); }
.fr-id    { color: var(--orange-d); font-weight: 700; }
.fr-addr  { color: var(--blue-d); }
.fr-block { color: var(--fg-dim); font-variant-numeric: tabular-nums; }
.fr-time  { color: var(--fg-mute); text-align: right; }
.empty-row {
  padding: 40px 12px;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
}

/* ---------- CONTRACTS ---------- */
.ca-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
@media (max-width: 640px) { .ca-grid { grid-template-columns: 1fr; } }
.ca-row {
  display: flex; justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--mono);
}
.ca-row .ca-k {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-mute);
  text-transform: uppercase;
}
.ca-row .ca-v {
  font-size: 11px;
  color: var(--blue-d);
  word-break: break-all;
  text-align: right;
}

/* ---------- FOOTER ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 22px 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--fg-mute);
  text-transform: uppercase;
  flex-wrap: wrap; gap: 12px;
  background: var(--bg-paper);
}
.foot-links { display: flex; gap: 22px; }
.foot-link { color: var(--fg-mute); }
.foot-link:hover { color: var(--orange-d); text-decoration: none; }

/* ---------- TOAST ---------- */
#toast {
  position: fixed;
  bottom: 50px; left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-card);
  border: 1px solid var(--fg);
  border-radius: 12px;
  padding: 12px 20px;
  font-size: 12px;
  color: var(--fg);
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  box-shadow: 0 12px 40px -10px rgba(26, 26, 26, 0.25);
  max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast.err { border-color: var(--red); color: var(--red); }
#toast.ok  { border-color: var(--green); color: var(--green); }

/* Flash on counter update */
.flash { animation: flashHit 0.55s ease-out; }
@keyframes flashHit {
  0%   { color: var(--orange); }
  100% { color: inherit; }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-h); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }