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

/* ================================================================
   Theme Variables
   ================================================================ */
:root,
[data-theme="light"] {
  --bg: #f3f4f8;
  --surface: #ffffff;
  --surface-hover: #fafbfd;
  --border: #dfe2e9;
  --border-light: #edf0f5;
  --text: #0f172a;
  --text-dim: #5a6478;
  --text-faint: #94a3b8;
  --accent: #f7931a;
  --accent-hover: #e8850f;
  --accent2: #f59e0b;
  --accent-glow: rgba(247, 147, 26, 0.10);
  --accent-subtle: rgba(247, 147, 26, 0.05);
  --header-bg: #0f172a;
  --header-text: #f1f5f9;
  --header-dim: rgba(241, 245, 249, 0.4);
  --header-border: rgba(255,255,255,0.06);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10);
  --chart-grid: #e5e7eb;
  --chart-label: #64748b;
  --table-stripe: rgba(0,0,0,0.018);
  --event-hover: #e9edf3;
  --scrollbar-thumb: #cfd4dc;
  --modal-backdrop: rgba(0,0,0,0.5);
  --chart-loading-bg: rgba(255,255,255,0.8);
  --green: #10b981;
  --red: #dc2626;
  --yellow: #f59e0b;
}

[data-theme="dark"] {
  --bg: #0b0e14;
  --surface: #141720;
  --surface-hover: #1a1e2a;
  --border: #232838;
  --border-light: #1c2030;
  --text: #e2e8f0;
  --text-dim: #8892a4;
  --text-faint: #4a5568;
  --accent: #f7931a;
  --accent-hover: #ffab40;
  --accent2: #f59e0b;
  --accent-glow: rgba(247, 147, 26, 0.12);
  --accent-subtle: rgba(247, 147, 26, 0.06);
  --header-bg: #070910;
  --header-text: #e2e8f0;
  --header-dim: rgba(226, 232, 240, 0.35);
  --header-border: rgba(255,255,255,0.04);
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.35);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.45);
  --chart-grid: #252a38;
  --chart-label: #8892a4;
  --table-stripe: rgba(255,255,255,0.02);
  --event-hover: #1c2030;
  --scrollbar-thumb: #3a4050;
  --modal-backdrop: rgba(0,0,0,0.7);
  --chart-loading-bg: rgba(20,23,32,0.8);
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
}

/* Smooth theme transitions */
body, .card, .chart-box, .table-section, .events-section,
.modal, .invoice-box, footer, .explainer p,
.period-btn, .log-toggle, .toggle-slider {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.2s ease, box-shadow 0.2s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* ================================================================
   Header
   ================================================================ */
header {
  background: linear-gradient(to bottom, #cd602c 60%, #d66e34 85%);
  color: #fff;
  border-bottom: none;
  position: relative;
  margin-bottom: 1.75rem;
}
header::before {
  display: none;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
}
header h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.header-sub {
  font-size: 0.78rem;
  color: var(--header-dim);
  font-weight: 500;
  margin-top: 0.05rem;
  letter-spacing: 0.03em;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
}
.header-meta p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.5;
  white-space: nowrap;
}
.header-links {
  display: flex;
  gap: 0.1rem;
}
.header-links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.header-links a:hover {
  color: #fff;
  background: rgba(255,255,255,0.15);
}
.header-links .donate-link {
  background: rgba(255,255,255,0.18);
  font-weight: 600;
  color: #fff;
}
.header-links .donate-link:hover {
  background: rgba(255,255,255,0.3);
}

/* Theme toggle */
.theme-toggle {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
  line-height: 1;
}
.theme-toggle:hover {
  color: #fff;
  background: rgba(255,255,255,0.22);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: inline-block; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: inline-block; }

/* ================================================================
   Explainer
   ================================================================ */
.explainer {
  max-width: 1400px;
  margin: 0 auto 1.5rem;
  padding: 0 1.5rem;
}
.explainer p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 860px;
}
.explainer strong {
  color: var(--text);
  font-weight: 600;
}
.explainer-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1.5px solid var(--accent);
  transition: color 0.15s;
}
.explainer-link:hover {
  color: var(--accent);
}

/* ================================================================
   Layout
   ================================================================ */
.top-row, .charts, .table-section, footer {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  align-items: stretch;
}
.top-col {
  display: flex;
  flex-direction: column;
}

/* ================================================================
   Section Headers & Titles
   ================================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.section-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 0;
  padding-left: 0.1rem;
}
.top-col > .section-title {
  margin-bottom: 0.65rem;
}

/* ================================================================
   Period Toggle & Controls
   ================================================================ */
.period-toggle {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 1px;
}
.period-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  padding: 0.25rem 0.55rem;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-faint);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  line-height: 1.2;
}
.period-btn:hover {
  color: var(--text-dim);
  background: var(--accent-subtle);
}
.period-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 3px rgba(247, 147, 26, 0.3);
}
.log-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-faint);
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1.2;
}
.log-toggle:hover { color: var(--text-dim); }
.log-toggle.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ================================================================
   Pre-launch Toggle
   ================================================================ */
.prelaunch-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  user-select: none;
}
.prelaunch-toggle input { display: none; }
.toggle-slider {
  position: relative;
  width: 36px;
  height: 20px;
  background: var(--border);
  border-radius: 10px;
  transition: background 0.2s;
  flex-shrink: 0;
}
.toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.prelaunch-toggle input:checked + .toggle-slider {
  background: var(--green);
}
.prelaunch-toggle input:checked + .toggle-slider::after {
  transform: translateX(16px);
}
.toggle-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-faint);
}

/* Pre-launch table rows */
.pre-launch-row {
  background: rgba(16,185,129,0.04) !important;
}
.pre-launch-row td:first-child {
  border-left: 3px solid var(--green);
}
.pre-launch-badge {
  font-size: 0.6rem;
  color: var(--green);
  font-weight: 600;
  margin-left: 0.3rem;
}
.prelaunch-indicator {
  display: block;
  font-size: 0.6rem;
  color: var(--green);
  font-weight: 600;
  margin-top: 0.15rem;
}

/* ================================================================
   Summary Cards
   ================================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  flex: 1;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s, background-color 0.25s, border-color 0.25s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.card-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
  letter-spacing: 0.06em;
}
.card-value {
  display: block;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.card-desc {
  display: block;
  font-size: 0.68rem;
  color: var(--text-faint);
  margin-top: 0.3rem;
  line-height: 1.3;
}

/* ================================================================
   Events
   ================================================================ */
.events-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.events-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  max-height: 360px;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}
.events-list::-webkit-scrollbar { width: 4px; }
.events-list::-webkit-scrollbar-track { background: transparent; }
.events-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 2px;
}
.events-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-faint);
}
.events-loading {
  color: var(--text-faint);
  font-size: 0.8rem;
}
.event-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: var(--bg);
  border-left: 3px solid var(--border);
  transition: background 0.15s;
}
.event-card:hover {
  background: var(--event-hover);
}
.event-card.severity-high { border-left-color: var(--red); }
.event-card.severity-medium { border-left-color: var(--yellow); }
.event-badge {
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  white-space: nowrap;
  margin-top: 0.1rem;
}
.event-badge.low_activity { background: rgba(220,38,38,0.08); color: var(--red); }
.event-badge.l1_gap { background: rgba(245,158,11,0.08); color: var(--yellow); }
.event-badge.fee_spike { background: rgba(16,185,129,0.08); color: var(--green); }
.event-badge.rpc_lag { background: rgba(245,158,11,0.10); color: #b45309; }
.event-badge.proof_delay { background: rgba(124,58,237,0.08); color: #8b5cf6; }
[data-theme="dark"] .event-badge.rpc_lag { color: var(--yellow); }
.event-body { flex: 1; min-width: 0; }
.event-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}
.event-detail {
  font-size: 0.73rem;
  color: var(--text-dim);
  margin-top: 0.1rem;
}
.event-time {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.68rem;
  color: var(--text-faint);
  margin-top: 0.1rem;
}

/* ================================================================
   Chart Loading Overlay
   ================================================================ */
.chart-box { position: relative; }
.chart-loading {
  position: absolute;
  inset: 0;
  background: var(--chart-loading-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  border-radius: var(--radius);
  pointer-events: none;
}
.chart-loading .spinner {
  width: 22px;
  height: 22px;
}

/* ================================================================
   Charts
   ================================================================ */
.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.chart-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, background-color 0.25s, border-color 0.25s;
}
.chart-box:hover {
  box-shadow: var(--shadow-md);
}
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  gap: 0.45rem;
}
.proof-gap-banner {
  font-size: 0.72rem;
  color: #92400e;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 4px;
  padding: 0.2rem 0.45rem;
  margin-bottom: 0.35rem;
}
[data-theme="dark"] .proof-gap-banner {
  color: var(--yellow);
  background: rgba(245,158,11,0.08);
  border-color: rgba(245,158,11,0.15);
}
.chart-box h2 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0;
  color: var(--text-faint);
}
.chart-popout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  margin-left: auto;
  margin-right: 0.4rem;
  padding: 0.2rem;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
  line-height: 1;
}
.chart-popout:hover {
  color: var(--accent);
  background: var(--accent-glow);
}

/* ================================================================
   Table
   ================================================================ */
.table-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}
.table-section h2 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  margin-bottom: 0.75rem;
}
.table-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.table-controls button {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 1rem;
  cursor: pointer;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  transition: all 0.15s;
}
.table-controls button:disabled {
  opacity: 0.3;
  cursor: default;
}
.table-controls button:not(:disabled):hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
#table-info {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--text-faint);
  font-weight: 500;
}

.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
th, td {
  padding: 0.5rem 0.6rem;
  text-align: right;
  white-space: nowrap;
}
th {
  border-bottom: 2px solid var(--border);
  color: var(--text-faint);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  background: var(--bg);
  position: sticky;
  top: 0;
}
td {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-dim);
}
tbody tr {
  transition: background 0.1s;
}
tbody tr:nth-child(even) {
  background: var(--table-stripe);
}
tbody tr:hover {
  background: var(--accent-glow);
}

/* ================================================================
   Transaction Links & Split Panes
   ================================================================ */
.tx-link {
  color: var(--accent);
  text-decoration: none;
  font-family: 'SF Mono','Fira Code',Menlo,Consolas,monospace;
  font-size: 0.82rem;
}
.tx-link:hover {
  text-decoration: underline;
}
.txs-split {
  display: flex; gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto; padding: 0 1.5rem 1.5rem;
}
.txs-pane {
  flex: 1; min-width: 0;
  max-width: none; margin: 0 !important;
}
@media (max-width: 900px) {
  .txs-split { flex-direction: column; }
}

/* ================================================================
   Payment Button
   ================================================================ */
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.4rem 1rem;
  cursor: pointer;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  transition: opacity 0.15s, transform 0.15s;
  display: none;
  box-shadow: 0 2px 8px rgba(247,147,26,0.25);
}
.btn-accent:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ================================================================
   Banners
   ================================================================ */
.proof-delay-banner {
  display: none;
  max-width: 1400px;
  margin: 0 auto 1rem;
  padding: 0 1.5rem;
}
.proof-delay-banner {
  text-align: center;
  font-size: 0.82rem;
  color: #92400e;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-sm);
  padding: 0.45rem 1rem;
  font-weight: 500;
}
[data-theme="dark"] .proof-delay-banner {
  color: var(--yellow);
  background: rgba(245,158,11,0.08);
  border-color: rgba(245,158,11,0.15);
}
.free-banner {
  display: none;
  text-align: center;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  padding: 0.4rem 0;
}

/* ================================================================
   Payment Modal
   ================================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--modal-backdrop);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
  max-width: 380px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  position: relative;
  text-align: center;
}
.modal h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.modal p {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.modal-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: none;
  border: none;
  font-size: 1.15rem;
  cursor: pointer;
  color: var(--text-faint);
  line-height: 1;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--text); }
.invoice-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 0.9rem;
  margin-bottom: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
#modal-qr { display: block; margin: 0 auto; }
.bolt11-hidden {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}
.invoice-box .btn-copy {
  display: inline-block;
  margin-top: 0.85rem;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.4rem 1.1rem;
  cursor: pointer;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
  transition: opacity 0.15s;
}
.invoice-box .btn-copy:hover { opacity: 0.9; }
.invoice-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 0.85rem;
}
.invoice-actions .btn-copy {
  margin-top: 0;
}
.btn-open-wallet {
  display: none;
  padding: 0.4rem 1.1rem;
  background: #7c3aed;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn-open-wallet:hover { opacity: 0.9; }
@media (max-width: 900px) {
  .btn-open-wallet { display: inline-block; }
}
.modal-status {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
}

/* Donate modal */
.donate-modal h3 {
  text-align: center;
  color: var(--accent);
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.donate-desc {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
}
.donate-amounts {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}
.donate-amt {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 1.3rem;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}
.donate-amt:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.donate-amt.selected {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}
.donate-custom-input {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}
.donate-input-prefix {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dim);
}
.donate-custom-input input {
  width: 100px;
  padding: 0.5rem 0.6rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}
.donate-custom-input input:focus {
  outline: none;
  border-color: var(--accent);
}
.donate-go {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 1.1rem;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s;
}
.donate-go:hover { opacity: 0.9; }
.mobile-donate-cta {
  display: none;
}
.donate-sats-preview {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  min-height: 1.2em;
  margin-bottom: 0.25rem;
}
.donate-success {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}
.donate-bolt {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 0.75rem;
  animation: bolt-pop 0.5s ease-out;
}
@keyframes bolt-pop {
  0% { transform: scale(0) rotate(-20deg); opacity: 0; }
  60% { transform: scale(1.3) rotate(5deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}
.donate-thanks-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.donate-thanks-msg {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}
.donate-close-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.5rem 2rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.donate-close-btn:hover { opacity: 0.9; }
.footer-mobile-link { display: none; }

/* ================================================================
   Spinner
   ================================================================ */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.3rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ================================================================
   Footer
   ================================================================ */
footer {
  text-align: center;
  padding: 0.5rem 0 1.5rem;
  color: var(--text-faint);
  font-size: 1.15rem;
  font-weight: 500;
}
footer a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}
footer a:hover { color: var(--accent); }
.footer-sep {
  margin: 0 0.35rem;
  color: var(--text-faint);
  opacity: 0.4;
}
.footer-dot {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 0.35rem;
  opacity: 0.6;
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 900px) {
  .top-row { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }
  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0;
    gap: 0;
  }
  .header-brand {
    flex: 1 1 100%;
  }
  .brand-logo {
    height: auto;
    width: 100%;
    max-height: 20vh;
    object-fit: cover;
    object-position: center 62%;
  }
  .header-nav { display: none; }
  .header-links { display: none; }
  .header-meta { display: none; }
  .theme-toggle { display: none; }
  .explainer { display: none; }
  .events-section, .top-col:last-child { display: none; }
  .github-cta { display: none !important; }
  .footer-mobile-link { display: none; }
  footer { padding-bottom: 1.5rem; }
  .mobile-donate-cta {
    display: flex;
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.2rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 900;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease;
  }
  .mobile-donate-cta.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}
@media (max-width: 500px) {
  .cards { grid-template-columns: 1fr; }
}

/* ================================================================
   Sub-page Shared Styles (about, methodology)
   ================================================================ */
.about-wrap {
  max-width: 680px;
  margin: 2.5rem auto;
  padding: 0 1.5rem;
}
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.about-card h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--text);
}
.about-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}
.about-card p:last-child { margin-bottom: 0; }
.about-card a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.about-card a:hover { border-bottom-color: var(--accent); }
.about-card h3 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text);
  margin-top: 1.35rem;
  margin-bottom: 0.45rem;
}
.about-card code {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.78rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.12em 0.3em;
}
.about-card ul {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0.45rem 0 0.85rem;
  padding-left: 1.25rem;
}
.about-card li { margin-bottom: 0.3rem; }
.about-back {
  display: inline-block;
  margin-bottom: 1.1rem;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}
.about-back:hover { color: var(--accent); }

/* ================================================================
   Floating GitHub CTA
   ================================================================ */
.github-cta {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.3rem;
  background: var(--surface);
  border: 1.5px solid var(--accent);
  border-radius: 50px;
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-glow);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease, background-color 0.25s ease,
              border-color 0.25s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.github-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.github-cta:hover {
  background: var(--text);
  color: var(--surface);
  border-color: var(--text);
  box-shadow: var(--shadow-lg);
}
.github-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.github-cta-label {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}