/* ── Reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0B0E14;
  --bg-secondary: #131A26;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --accent: #E2A34A;
  --border: rgba(255, 255, 255, 0.08);
  --card-bg: #161B22;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,.4);
}

html { font-size: 15px; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  padding-bottom: 3rem;
}

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

/* ── Header ───────────────────────────────────────────────────── */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header-title {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.btc-symbol {
  font-size: 1.6rem;
  color: var(--accent);
  line-height: 1;
}
header h1 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
}
.header-meta {
  font-size: .8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ── Summary cards ────────────────────────────────────────────── */
.cards {
  max-width: 1400px;
  margin: 1.5rem auto .5rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.4rem;
  box-shadow: var(--shadow);
  transition: border-color .2s;
}
.card:hover { border-color: var(--accent); }
.card-label {
  font-size: .75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .4rem;
}
.card-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
}
.card-sub {
  font-size: .8rem;
  color: var(--text-secondary);
  margin-top: .25rem;
}

/* ── Filter bar ───────────────────────────────────────────────── */
.filter-bar {
  max-width: 1400px;
  margin: 1.2rem auto .8rem;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
}
.filter-label {
  font-size: .75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}
.filter-buttons, .epoch-buttons {
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}
.epoch-buttons {
  margin-left: .8rem;
  padding-left: .8rem;
  border-left: 1px solid var(--border);
  gap: .35rem;
}

/* Segmented Controls (Replaces old filter buttons) */
.segmented-control {
  display: inline-flex;
  background: rgba(0, 0, 0, 0.2);
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.segmented-btn, .epoch-btn {
  background: transparent;
  border: 1px solid transparent; /* To prevent layout shift when active gets border */
  color: var(--text-secondary);
  border-radius: 6px;
  padding: .35rem .85rem;
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s ease;
}
.segmented-btn:hover, .epoch-btn:hover {
  color: var(--text-primary);
}
.segmented-btn.active, .epoch-btn.active {
  background: var(--card-bg);
  color: var(--accent);
  border-color: var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

/* ── Charts grid ──────────────────────────────────────────────── */
.charts-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem 1rem;
  box-shadow: var(--shadow);
}
.chart-card--wide {
  grid-column: 1 / -1;
}

.chart-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: .9rem;
  gap: .5rem;
  flex-wrap: wrap;
}
.chart-header h2 {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text-primary);
}
.chart-sub {
  font-size: .75rem;
  color: var(--text-secondary);
}

/* ── Chart elements ───────────────────────────────────────────── */
.chart-body.donut-layout {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
.chart-el--donut  { flex: 0 0 360px; height: 360px; }
.chart-el--tall   { width: 100%; height: 400px; }
.chart-el--medium { width: 100%; height: 340px; }

/* Donut + table layout */
.donut-layout {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
}

.chart-el--donut {
  flex: 0 0 46%;
}

.pool-table {
  flex: 1 1 auto;
  display: flex;
  justify-content: flex-end;
}

.pool-table-inner {
  max-width: 420px;
  width: 100%;
}

.pool-table table {
  width: 100%;
}

.pool-table .td-rank {
  width: 8%;
}

.pool-table .td-name {
  width: 32%;
}

.pool-table .td-pct {
  width: 28%;
  text-align: right;
}

.pool-table .td-bar {
  width: 32%;
}

/* ── Pool table (next to donut) ───────────────────────────────── */
.pool-table {
  flex: 1 1 0;
  font-size: .8rem;
}
.pool-table table {
  width: 100%;
  border-collapse: collapse;
}
.pool-table th {
  position: sticky;
  top: 0;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-weight: 500;
  text-align: left;
  padding: .35rem .5rem;
  border-bottom: 1px solid var(--border);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.pool-table td {
  padding: .32rem .5rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  white-space: nowrap;
}
.pool-table tr:last-child td { border-bottom: none; }
.pool-table tr:hover td { background: var(--bg-secondary); }
.pool-table .td-rank { color: var(--text-secondary); width: 2rem; text-align: right; }
.pool-table .td-name { color: var(--text-primary); }
.pool-table tr:hover .td-name { color: var(--accent); }
.pool-table .td-blocks { text-align: right; color: var(--text-secondary); }
.pool-table .td-pct { text-align: right; font-weight: 600; color: var(--accent); }
.pool-table .td-bar { width: 80px; padding-right: .8rem; }
.pool-table .bar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
  height: 6px;
  overflow: hidden;
}
.pool-table .bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width .4s ease;
}

/* ── Toggle buttons ───────────────────────────────────────────── */
.toggle-buttons {
  display: flex;
  gap: .25rem;
}
.toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 5px;
  padding: .2rem .6rem;
  font-size: .75rem;
  cursor: pointer;
  transition: all .15s;
}
.toggle-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
  font-weight: 600;
}

/* ── Loading overlay ──────────────────────────────────────────── */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 14, 20, .92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 999;
  transition: opacity .4s;
}
#loading-overlay p {
  color: var(--text-secondary);
  font-size: .9rem;
}
#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Footer ───────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 1rem 1rem;
  font-size: .75rem;
  color: var(--text-secondary);
}

/* ── New Layout Styles ────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 15px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: border-color .2s;
}

.kpi-card:hover {
  border-color: var(--accent);
}

.kpi-value {
  font-size: 2.2em;
  font-weight: bold;
  color: var(--accent);
  margin: 10px 0;
}

.kpi-label {
  color: var(--text-secondary);
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.kpi-sub {
  font-size: 0.8em;
  color: var(--text-secondary);
  opacity: 0.8;
  margin-top: -5px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.card h3 {
  margin-top: 0;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Responsive ───────────────────────────────────────────────── */
/* ── Searchable Dropdown ────────────────────────────────────────── */
.pool-search-container {
  position: relative;
  display: inline-block;
  min-width: 320px;
}
.pool-search-input {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: inherit;
  font-family: inherit;
  font-weight: bold;
  cursor: text;
  outline: none;
  width: 100%;
  border-bottom: 2px dotted rgba(226, 163, 74, 0.5);
  padding-right: 25px;
}
.pool-search-input::placeholder {
  color: var(--accent);
  opacity: 0.6;
}
.pool-results-list {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  right: 0;
  background: #1c2128;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  max-height: 350px;
  overflow-y: auto;
  z-index: 2000;
  list-style: none;
  display: none; /* Shown via JS */
}
.pool-results-list.show {
  display: block;
}
.pool-result-item {
  padding: 10px 15px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: background 0.1s;
}
.pool-result-item:hover, .pool-result-item.selected {
  background: var(--bg-secondary);
  color: var(--accent);
}
.pool-result-group {
  padding: 8px 15px 4px;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 10;
}
.pool-result-no-match {
  padding: 15px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
  font-style: italic;
}
/* Scrollbar UI for the list */
.pool-results-list::-webkit-scrollbar { width: 6px; }
.pool-results-list::-webkit-scrollbar-track { background: transparent; }
.pool-results-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.pool-results-list::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 900px) {
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card--wide { grid-column: 1; }
  .chart-body.donut-layout { flex-direction: column; }
  .chart-el--donut { flex: unset; width: 100%; height: 300px; }
  .pool-table { max-height: 280px; }
}
@media (max-width: 600px) {
  header h1 { font-size: .95rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card-value { font-size: 1.4rem; }
  .epoch-buttons { margin-left: 0; padding-left: 0; border-left: none; }
}
/* ── Top Miners Table ─────────────────────────────────────────── */
#top-miners-table-container {
  margin-top: 10px;
}
.top-miners-scroll {
  overflow-x: auto;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid var(--border);
}
.top-miners-table {
  width: 100%;
  border-collapse: collapse;
}
.top-miners-table th {
  text-align: left;
  padding: 15px 15px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 2px solid var(--border);
}
.top-miners-table td {
  padding: 14px 15px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.top-miners-table tr.pool-row {
  transition: background-color 0.1s;
  cursor: pointer;
}
.top-miners-table tr.pool-row:hover td {
  background: rgba(226, 163, 74, 0.04);
  color: var(--accent);
}
.top-miners-table tr:last-child td {
  border-bottom: none;
}
.top-miners-table i {
  color: var(--accent);
}

/* Forensics Section */
.forensic-box {
  background: rgba(22, 27, 34, 0.4);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 12px;
  transition: all 0.3s ease;
}
.forensic-box:hover {
  border-color: var(--accent);
  background: rgba(22, 27, 34, 0.6);
}
.forensic-header {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 15px;
}
.forensic-header h4 {
  margin: 0;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}
.forensic-sub {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: block;
  margin-top: 4px;
}
.streak-badge {
  background: rgba(226, 163, 74, 0.15);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.8rem;
  border: 1px solid rgba(226, 163, 74, 0.4);
}
.forensic-table {
  width: 100%;
  border-collapse: collapse;
}
.forensic-table th {
  text-align: left;
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 5px;
  border-bottom: 1px solid var(--border);
}
.forensic-table td {
  padding: 12px 5px;
  font-size: 0.9rem;
  border-bottom: 1px dashed var(--border);
}
.forensic-table tr:last-child td {
  border-bottom: none;
}

/* ── App Tabs ─────────────────────────────────────────────────── */
.app-tabs-container {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  position: sticky;
  top: 70px;
  z-index: 90;
  backdrop-filter: blur(10px);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.main-tabs {
  background: rgba(0, 0, 0, 0.4);
  padding: 6px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  max-width: 800px;
  width: 100%;
}
.main-tabs .segmented-btn {
  padding: 0.8rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}
.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Ensure forensic table is responsive */
.forensic-table-wrapper {
  overflow-x: auto;
}

/* ── Info Cards ───────────────────────────────────────────────── */
.info-toggle {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: color 0.2s, background 0.2s;
  flex-shrink: 0;
}
.info-toggle:hover {
  color: var(--accent);
  background: rgba(226, 163, 74, 0.1);
}
.info-toggle.active {
  color: var(--accent);
}
.info-card {
  display: none;
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 15px;
  margin-top: 15px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  animation: fadeIn 0.2s ease;
}
.info-card.show {
  display: block;
}
.info-card strong {
  color: var(--text-primary);
}
/* ── BIP 110 Battleground Theme ────────────────────────────────── */
#tab-bip110 .card {
  border-top: 3px solid #ff4d4f;
}
#tab-bip110 .forensic-box:hover {
  border-color: #ff4d4f;
  background: rgba(45, 30, 30, 0.6);
}
#tab-bip110 .info-toggle:hover {
  color: #ff4d4f;
  background: rgba(255, 77, 79, 0.1);
}
#tab-bip110 .info-toggle.active {
  color: #ff4d4f;
}
#tab-bip110 .info-card {
  border-left-color: #ff4d4f;
}
/* ── Horizon Tag (Consistency Part 1) ────────────────────────── */
.horizon-tag {
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 10px;
}
.horizon-tag.hist   { color: #8ab4f8; border-color: rgba(138, 180, 248, 0.2); background: rgba(138, 180, 248, 0.05); }
.horizon-tag.live   { color: #ff4d4f; border-color: rgba(255, 77, 79, 0.2); background: rgba(255, 77, 79, 0.05); }
.horizon-tag.recent { color: #98c379; border-color: rgba(152, 195, 121, 0.2); background: rgba(152, 195, 121, 0.05); }
.horizon-tag i { font-size: 0.7rem; }

/* ── Streaks Leaderboard Expandable (Part 2) ─────────────────── */
.streak-leaderboard .pool-streak-row {
  cursor: pointer;
  transition: background 0.2s;
}
.streak-leaderboard .pool-streak-row:hover {
  background: rgba(226, 163, 74, 0.05);
}
.streak-leaderboard .pool-streak-row.active {
  background: rgba(226, 163, 74, 0.08);
  border-left: 2px solid var(--accent);
}
.streak-leaderboard .streak-badge {
  display: inline-block;
  min-width: 65px;
  text-align: center;
}
.pool-streak-detail td {
  background: rgba(0, 0, 0, 0.1);
  border-bottom: none !important;
}
.pool-streak-detail table th {
  color: var(--text-secondary);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}