:root {
  /* Layered shade ladder — depth comes from tone shifts only. */
  --bg:        #0d0f17;
  --surface:   #151826;
  --surface-2: #1c2030;
  --surface-3: #242a3d;
  --surface-4: #2e364d;
  --border:    #2a3148;
  --border-strong: #3a4163;

  --text:    #eef0fa;
  --text-2:  #c5cae0;
  --muted:   #7a82a8;
  --muted-2: #545a78;

  /* Solid accent — used as fill, never as a gradient or glow. */
  --accent:      #7c5cff;
  --accent-2:   #6248d6;
  --accent-soft: #232145;

  --green:      #4ade80;
  --green-soft: #1e3528;
  --red:        #ef4444;
  --red-soft:   #3a1d1f;
  --amber:      #fbbf24;
  --amber-soft: #3a2e15;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 999px;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --transition: 140ms cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code { font-family: var(--mono); background: var(--surface-2); padding: 1px 5px; border-radius: 4px; color: var(--text-2); }

/* ============ Top bar / nav ============ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  user-select: none;
}
.brand-mark {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
}
.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.2px;
}
.brand-tagline {
  color: var(--muted);
  font-size: 0.8rem;
}

.nav-tabs {
  display: flex;
  gap: 2px;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav-tab:hover { color: var(--text-2); background: var(--surface-2); }
.nav-tab.active {
  color: var(--text);
  background: var(--surface-3);
}

.netstats {
  display: flex;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.netstats .stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.netstats .stat-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted-2);
}
.netstats .stat-dot.live { background: var(--green); }
.netstats .stat-dot.warn { background: var(--amber); }
.netstats .stat-dot.off  { background: var(--red); }

/* ============ Layout ============ */

.view {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}
.view-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.view-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.3px;
}
.view-sub { color: var(--muted); font-size: 0.92rem; }

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.col-4  { grid-column: span 4;  }
.col-5  { grid-column: span 5;  }
.col-6  { grid-column: span 6;  }
.col-7  { grid-column: span 7;  }
.col-8  { grid-column: span 8;  }
.col-12 { grid-column: span 12; }

/* ============ Cards ============ */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  position: relative;
}
/* Hero variant: nudged up one tone, with a slightly stronger border. */
.card.hero {
  background: var(--surface-2);
  border-color: var(--border-strong);
}
.card.compact { padding: 12px 14px; }

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.card-title {
  margin: 0;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--muted);
  font-weight: 600;
}
.card-spacer { flex: 1; }
.card-link {
  font-size: 0.82rem;
  color: var(--accent);
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
  font-weight: 500;
}
.card-link:hover { text-decoration: underline; }

/* ============ Info popover ============ */

.info-btn {
  display: inline-grid;
  place-items: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  color: var(--muted);
  font: 600 10px/1 var(--sans);
  cursor: pointer;
  padding: 0;
  transition: color var(--transition), background var(--transition);
}
.info-btn:hover { color: var(--text); background: var(--surface-4); }
.info-anchor { position: relative; display: inline-flex; align-items: center; gap: 6px; }

.info-popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 50;
  width: min(320px, calc(100vw - 32px));
  background: var(--surface-3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.55;
}
.info-popover h4 {
  margin: 0 0 6px;
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
}
.info-popover p { margin: 0 0 8px; }
.info-popover p:last-child { margin-bottom: 0; }

/* ============ Buttons + inputs ============ */

button, .btn {
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}
button:hover, .btn:hover { background: var(--accent-2); }
button:active, .btn:active { background: var(--accent-2); }
button:disabled, .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-strong);
}
button.ghost:hover, .btn.ghost:hover {
  background: var(--surface-3);
  color: var(--text);
}

button.danger, .btn.danger {
  background: var(--red);
  color: #fff;
}
button.danger:hover, .btn.danger:hover { background: #c1393a; }

button.small, .btn.small { padding: 5px 10px; font-size: 0.82rem; }
button.icon, .btn.icon { padding: 6px 9px; }

input, textarea, select {
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
input:focus, textarea:focus, select:focus {
  outline: 0;
  border-color: var(--accent);
}
input[readonly] { color: var(--text-2); }

label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 12px 0 6px;
  letter-spacing: 0.1px;
}

/* ============ Layout helpers ============ */

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row > * { min-width: 0; }
.col { display: flex; flex-direction: column; gap: 8px; }
.spacer { flex: 1; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }

/* ============ Typography ============ */

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.78rem; }
.green { color: var(--green); }
.red   { color: var(--red); }
.amber { color: var(--amber); }
.accent { color: var(--accent); }
.label-caps {
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 600;
}

.balance {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--accent);
  line-height: 1.1;
}
.balance .unit {
  font-size: 0.42em;
  color: var(--muted);
  margin-left: 8px;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* ============ Hash / addr / badge ============ */

.hash { color: var(--accent); font-family: var(--mono); }
.addr { color: var(--green); font-family: var(--mono); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-family: var(--mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-pending   { background: var(--amber-soft); color: var(--amber); border-color: var(--amber); }
.badge-confirmed { background: var(--green-soft); color: var(--green); border-color: var(--green); }
.badge-mined     { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.badge-you       { background: var(--green-soft); color: var(--green); border-color: var(--green); padding: 1px 6px; font-size: 0.62rem; }

/* ============ Tables ============ */

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  font-family: var(--mono);
  table-layout: auto;
}
.table th, .table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  background: var(--surface-2);
}
.table tbody tr { transition: background var(--transition); }
.table tbody tr:hover { background: var(--surface-2); }
.table-empty td {
  color: var(--muted);
  text-align: center;
  padding: 22px 12px;
  font-style: italic;
  white-space: normal;
}
.row-mine { background: var(--surface-3); }
.row-mine:hover { background: var(--surface-3) !important; }

.table-scroll {
  margin: 0 -18px;
  padding: 0 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ============ Pagination ============ */

.pager {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  justify-content: flex-end;
  font-size: 0.85rem;
  color: var(--muted);
  flex-wrap: wrap;
}
.pager button { padding: 5px 10px; font-size: 0.82rem; }

/* ============ Filter chips ============ */

.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  font-weight: 500;
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.chip:hover { color: var(--text-2); border-color: var(--border-strong); background: var(--surface-2); }
.chip.active {
  color: var(--text);
  background: var(--surface-3);
  border-color: var(--border-strong);
}

/* ============ Stat tile (Miner etc.) ============ */

.stat-tile {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.stat-tile .stat-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  margin-bottom: 6px;
}
.stat-tile .stat-value {
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}
.stat-tile .stat-sub { font-size: 0.76rem; color: var(--muted); margin-top: 3px; }
.stat-tile.accent {
  background: var(--surface-3);
  border-color: var(--border-strong);
}
.stat-tile.accent .stat-value { color: var(--accent); }

/* ============ Miner hero ============ */

.miner-hero {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.miner-hero .hashrate {
  font-family: var(--mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin: 6px 0 0;
}
.miner-hero .hashrate-unit {
  font-size: 0.32em;
  color: var(--muted);
  margin-left: 8px;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.miner-hero .status-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 6px;
}
.miner-hero .pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted-2);
}
.miner-hero.running .pulse-dot {
  background: var(--green);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

.nonce-ticker {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted-2);
  margin-top: 10px;
  min-height: 1.2em;
  letter-spacing: 0.3px;
}
.miner-hero.running .nonce-ticker { color: var(--accent); }

.slider {
  width: 100%;
  accent-color: var(--accent);
}

/* ============ kv ============ */

.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 14px;
  font-size: 0.9rem;
}
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); word-break: break-all; }

/* ============ Site footer ============ */

.sitefoot {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 20px 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
}
.sitefoot-text {
  letter-spacing: 0.1px;
}
.sitefoot-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.sitefoot-link:hover {
  color: var(--text);
  background: var(--surface-2);
  border-color: var(--border-strong);
  text-decoration: none;
}
.sitefoot-icon {
  display: block;
}

/* ============ Responsive ============ */

@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-12 > [class*="col-"] { grid-column: 1 / -1; }

  .topbar {
    grid-template-columns: 1fr auto;
    gap: 10px;
    padding: 10px 14px;
  }
  .nav-tabs {
    grid-column: 1 / -1;
    order: 3;
    padding-bottom: 2px;
    justify-content: flex-start;
    margin: 0 -14px;
    padding: 0 14px 2px;
  }
  .netstats { display: none; }
  .brand-tagline { display: none; }
  .view { padding: 18px 14px; }
  .balance { font-size: 2rem; }
  .miner-hero { padding: 22px 16px; }
  .miner-hero .hashrate { font-size: 2.3rem; }
  .table-scroll { margin: 0 -14px; padding: 0 14px; }
  .sitefoot { padding: 16px 14px 22px; }
}

@media (max-width: 600px) {
  /* Drop low-priority columns to keep tables readable without horizontal scroll. */
  .col-hide-sm { display: none !important; }
  .table th, .table td { padding: 8px 8px; font-size: 0.78rem; }
  .card { padding: 14px; }
  .stat-tile { padding: 12px 14px; }
  .stat-tile .stat-value { font-size: 1.1rem; }
  .balance { font-size: 1.7rem; }
  .miner-hero .hashrate { font-size: 1.9rem; }
  .view-header { gap: 6px; }
  .view-sub { font-size: 0.85rem; }
}