/* ============================================================
   dregg explorer — chain state browser
   Dark theme consistent with playground. Clean, information-dense.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg:          #080c0a;
  --surface:     #0a1610;
  --surface-2:   #0f1f17;
  --surface-3:   #152420;
  --surface-4:   #1a2d25;
  --border:      rgba(232, 224, 208, 0.08);
  --border-2:    rgba(232, 224, 208, 0.14);
  --border-3:    rgba(232, 224, 208, 0.22);
  --text:        #e8e0d0;
  --text-dim:    #a89e8e;
  --text-muted:  #6a6358;
  --text-faint:  #4a453e;
  --accent:      #5b8a5a;
  --accent-bright: #9bb87a;
  --accent-soft: rgba(91, 138, 90, 0.12);
  --lantern:     #d99a3f;
  --lantern-soft: rgba(217, 154, 63, 0.12);
  --danger:      #d4685c;
  --danger-soft: rgba(212, 104, 92, 0.10);
  --info:        #6ba3c7;
  --info-soft:   rgba(107, 163, 199, 0.10);
  --success:     #5b8a5a;
  --success-soft: rgba(91, 138, 90, 0.12);
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --display: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --radius: 6px;
  --radius-lg: 10px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-bright); text-decoration: none; }
a:hover { color: var(--lantern); }
button { font-family: inherit; cursor: pointer; }

/* ============================================================
   HEADER
   ============================================================ */
.ex-header {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-2);
  flex-shrink: 0;
  z-index: 100;
  gap: 16px;
}
.ex-header__left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.ex-header__logo {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 10px; font-weight: 600;
  text-decoration: none;
}
.ex-header__logo:hover { background: var(--accent-bright); color: var(--bg); }
.ex-header__title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.ex-header__title .accent { color: var(--accent-bright); }

.ex-header__center { flex: 1; max-width: 560px; }

.ex-header__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.ex-header__link {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s;
}
.ex-header__link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.ex-header__settings-btn {
  background: none;
  border: 1px solid var(--border-2);
  color: var(--text-muted);
  width: 28px; height: 28px;
  border-radius: var(--radius);
  display: grid; place-items: center;
  font-size: 14px;
  transition: all 0.15s;
}
.ex-header__settings-btn:hover {
  color: var(--text);
  border-color: var(--border-3);
  background: rgba(255,255,255,0.04);
}

/* Search bar */
.ex-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  transition: border-color 0.15s;
}
.ex-search:focus-within { border-color: var(--accent); }
.ex-search__icon {
  color: var(--text-muted);
  font-size: 12px;
  flex-shrink: 0;
}
.ex-search__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
}
.ex-search__input::placeholder { color: var(--text-muted); }
.ex-search__kbd {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-2);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* Connection status */
.ex-connection {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  transition: all 0.3s;
}
.ex-connection.connected {
  color: var(--success);
  background: var(--success-soft);
}
.ex-connection.error {
  color: var(--danger);
  background: var(--danger-soft);
}
.ex-connection__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s;
}
.ex-connection.connected .ex-connection__dot { background: var(--success); }
.ex-connection.error .ex-connection__dot { background: var(--danger); }

/* ============================================================
   LAYOUT
   ============================================================ */
.ex-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 180px 1fr;
  overflow: hidden;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.ex-nav {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0;
}
.ex-nav__section {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
  flex: 1;
}
.ex-nav__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all 0.15s;
  text-align: left;
  position: relative;
}
.ex-nav__item:hover {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}
.ex-nav__item.active {
  color: var(--accent-bright);
  background: var(--accent-soft);
}
.ex-nav__item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.ex-nav__icon {
  font-size: 11px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.ex-nav__label { flex: 1; }
.ex-nav__footer {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.ex-nav__height {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ex-nav__height-label {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.ex-nav__height-value {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-bright);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.ex-main {
  overflow-y: auto;
  background: var(--bg);
}
.ex-page {
  display: none;
  padding: 32px 40px;
  min-height: 100%;
  animation: fadeIn 0.2s ease;
}
.ex-page.active { display: block; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
.ex-page__header {
  margin-bottom: 28px;
}
.ex-page__header h2 {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.ex-page__header p {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 60ch;
  line-height: 1.6;
}

/* ============================================================
   OVERVIEW STATS
   ============================================================ */
.devnet-brief {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
  gap: 16px;
  align-items: stretch;
  margin-bottom: 16px;
  padding: 18px;
  background: linear-gradient(135deg, rgba(91, 138, 90, 0.12), rgba(107, 163, 199, 0.08));
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
}
.devnet-brief__main {
  min-width: 0;
}
.devnet-brief__eyebrow {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.devnet-brief__title {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text);
  overflow-wrap: anywhere;
}
.devnet-brief__meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
}
.devnet-brief__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.devnet-fact {
  min-width: 0;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--border-2);
}
.devnet-fact__label {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.devnet-fact__value {
  display: block;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-bright);
  overflow: hidden;
  text-overflow: ellipsis;
}
.devnet-fact__value--hash {
  font-size: 11px;
  color: var(--info);
}
.object-map {
  display: grid;
  grid-template-columns: repeat(7, minmax(112px, 1fr));
  gap: 8px;
  margin-bottom: 28px;
}
.object-map__item {
  display: flex;
  min-width: 0;
  min-height: 86px;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-dim);
  text-align: left;
  transition: all 0.15s;
}
.object-map__item:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
  color: var(--text);
}
.object-map__label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}
.object-map__value {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--lantern);
  overflow-wrap: anywhere;
}
.object-map__desc {
  margin-top: auto;
  font-size: 11px;
  color: var(--text-muted);
}
.overview-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 28px;
}
.stat-card {
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s;
}
.stat-card:hover { border-color: var(--border-2); }
.stat-card__label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.stat-card__value {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--accent-bright);
}

/* ============================================================
   OVERVIEW PANELS
   ============================================================ */
.overview-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.overview-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.overview-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.overview-panel__header h3 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.overview-panel__badge {
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-bright);
}
.overview-panel__body {
  padding: 12px 16px;
  max-height: 320px;
  overflow-y: auto;
}

/* ============================================================
   TABLES
   ============================================================ */
.ex-table-container {
  overflow-x: auto;
}
.ex-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 12px;
}
.ex-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-2);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 1;
}
.ex-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ex-table tr:hover td {
  background: rgba(255,255,255,0.02);
  color: var(--text);
}
.ex-table tr { cursor: pointer; transition: background 0.1s; }
.ex-table .cell-hash {
  color: var(--info);
  font-size: 11px;
}
.ex-table .cell-number {
  color: var(--accent-bright);
  font-weight: 500;
}
.ex-table .cell-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
}
.cell-badge--success { background: var(--success-soft); color: var(--accent-bright); }
.cell-badge--warning { background: var(--lantern-soft); color: var(--lantern); }
.cell-badge--danger { background: var(--danger-soft); color: var(--danger); }
.cell-badge--info { background: var(--info-soft); color: var(--info); }

/* ============================================================
   DETAIL PANELS
   ============================================================ */
.ex-detail-panel {
  margin-top: 20px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 20px;
  position: relative;
  animation: fadeIn 0.2s ease;
}
.ex-detail-panel__close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s;
}
.ex-detail-panel__close:hover { color: var(--text); }
.ex-detail-panel__content h4 {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 12px;
}

/* Detail fields */
.detail-grid {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 16px;
  margin-bottom: 16px;
}
.detail-grid__label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  padding-top: 2px;
}
.detail-grid__value {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  word-break: break-all;
}
.detail-grid__value--highlight { color: var(--accent-bright); }
.detail-grid__value--hash { color: var(--info); font-size: 11px; }

/* ============================================================
   RECEIPT CHAIN
   ============================================================ */
.ex-receipt-chain {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.receipt-item {
  position: relative;
  padding: 16px 20px 16px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  margin-bottom: 8px;
  transition: border-color 0.15s;
}
.receipt-item:hover { border-color: var(--border-2); }
.receipt-item::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0;
  bottom: -8px;
  width: 2px;
  background: var(--border-2);
}
.receipt-item:last-child::before { display: none; }
.receipt-item::after {
  content: '';
  position: absolute;
  left: 14px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
.receipt-item__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.receipt-item__hash {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--info);
}
.receipt-item__time {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
}
.receipt-item__computrons {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--lantern);
  margin-left: auto;
}
.receipt-item__states {
  display: flex;
  gap: 20px;
  font-family: var(--mono);
  font-size: 10px;
}
.receipt-item__state {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.receipt-item__state-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.receipt-item__state-value {
  color: var(--text-dim);
  word-break: break-all;
}

/* ============================================================
   CAPABILITIES
   ============================================================ */
.ex-capabilities-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cap-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.15s;
}
.cap-item:hover { border-color: var(--border-2); }
.cap-item__id {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--info);
  min-width: 100px;
}
.cap-item__service {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  flex: 1;
}
.cap-item__badge {
  font-family: var(--mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
}

/* ============================================================
   PROOFS
   ============================================================ */
.ex-proofs-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.proof-item {
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s;
}
.proof-item:hover { border-color: var(--border-2); }
.proof-item__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.proof-item__type {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--info-soft);
  color: var(--info);
}
.proof-item__size {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
}
.proof-item__time {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--lantern);
  margin-left: auto;
}
.proof-item__details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
}
.proof-item__detail-label {
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.proof-item__detail-value {
  color: var(--text-dim);
  margin-top: 2px;
  word-break: break-all;
}

/* ============================================================
   INTENTS
   ============================================================ */
.ex-intents-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.intent-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.intent-item:last-child { border-bottom: none; }
.intent-item:hover { background: rgba(255,255,255,0.02); }
.intent-item__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.intent-item__id {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--info);
}
.intent-item__kind {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--lantern-soft);
  color: var(--lantern);
}
.intent-item__details {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.6;
}

.conditional-item {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.conditional-item:last-child { border-bottom: none; }
.conditional-item__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.conditional-item__hash {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--info);
}
.conditional-item__type {
  font-family: var(--mono);
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--info-soft);
  color: var(--info);
}
.conditional-item__meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
}

/* ============================================================
   LOADING / EMPTY STATES
   ============================================================ */
.loading-placeholder {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 20px;
  text-align: center;
}
.empty-state {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 40px 20px;
  text-align: center;
}
.empty-state__icon {
  font-size: 28px;
  margin-bottom: 8px;
  opacity: 0.4;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  transition: all 0.15s;
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-bright); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text-dim);
  border: 1px solid var(--border-2);
}
.btn-secondary:hover {
  color: var(--text);
  background: rgba(255,255,255,0.1);
  border-color: var(--border-3);
}
.btn-sm { font-size: 10px; padding: 5px 10px; }

/* ============================================================
   MODAL
   ============================================================ */
.ex-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ex-modal[hidden] { display: none; }
.ex-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
}
.ex-modal__content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 380px;
  max-width: 90vw;
  animation: fadeIn 0.15s ease;
}
.ex-modal__title {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.ex-modal__field {
  margin-bottom: 14px;
}
.ex-modal__field label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.ex-modal__field input[type="url"],
.ex-modal__field input[type="text"] {
  width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.ex-modal__field input:focus { border-color: var(--accent); }
.ex-modal__checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-size: 12px !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  color: var(--text-dim) !important;
  cursor: pointer;
}
.ex-modal__checkbox-label input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--accent);
}
.ex-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* ============================================================
   ROOT LIST
   ============================================================ */
.root-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
}
.root-item--button {
  width: 100%;
  border-left: none;
  border-right: none;
  border-top: none;
  background: transparent;
  text-align: left;
}
.root-item--button:hover {
  background: rgba(255,255,255,0.03);
}
.root-item:last-child { border-bottom: none; }
.root-item__height {
  color: var(--accent-bright);
  font-weight: 600;
  min-width: 50px;
}
.root-item__hash {
  color: var(--text-dim);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}
.root-item__sigs {
  color: var(--lantern);
  font-size: 10px;
}
.root-item__time {
  color: var(--text-muted);
  font-size: 10px;
}

@media (max-width: 1120px) {
  .devnet-brief {
    grid-template-columns: 1fr;
  }
  .object-map {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}

@media (max-width: 720px) {
  .devnet-brief__facts {
    grid-template-columns: 1fr;
  }
  .object-map__item {
    min-height: 74px;
  }
}

/* ============================================================
   CHECKPOINT INFO
   ============================================================ */
.checkpoint-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.checkpoint-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.checkpoint-field__label {
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.checkpoint-field__value {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  word-break: break-all;
}
.checkpoint-field__value--hash {
  font-size: 10px;
  color: var(--info);
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }

/* ============================================================
   CELL MODE BADGES
   ============================================================ */
.cell-badge--sovereign {
  background: rgba(107, 163, 199, 0.12);
  color: #6ba3c7;
}
.cell-badge--hosted {
  background: rgba(232, 224, 208, 0.06);
  color: var(--text-dim);
}
.cell-badge--factory {
  background: rgba(217, 154, 63, 0.12);
  color: var(--lantern);
}

/* ============================================================
   STAT CARD HASH VALUES
   ============================================================ */
.stat-card__value--hash {
  font-size: 11px;
  word-break: break-all;
}

/* ============================================================
   FEDERATION NODES
   ============================================================ */
.fed-node-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
}
.fed-node-item:last-child { border-bottom: none; }
.fed-node-item__icon {
  font-size: 10px;
  color: var(--success);
  min-width: 14px;
  text-align: center;
}
.fed-node-item__name {
  flex: 1;
  color: var(--text-dim);
}

/* ============================================================
   APPS GRID
   ============================================================ */
.ex-apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.app-card {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.app-card:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
}
.app-card__icon {
  font-size: 22px;
  opacity: 0.6;
}
.app-card__name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.app-card__desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}
.app-card__status {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-bright);
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ============================================================
   BLOCKLACE / DAG VISUALIZATION
   ============================================================ */
.blocklace-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.blocklace-controls__left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.blocklace-controls__right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.blocklace-controls__info {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 8px;
}
.blocklace-controls__toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  cursor: pointer;
}
.blocklace-controls__toggle input { accent-color: var(--accent); }
.blocklace-btn { min-width: 28px; text-align: center; }
.blocklace-viz-container {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  min-height: 400px;
  overflow: auto;
  position: relative;
}
.blocklace-viz-container svg { display: block; }
.blocklace-detail {
  margin-top: 12px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  animation: fadeIn 0.15s ease;
}
.blocklace-legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
}
.blocklace-legend__item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.blocklace-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.blocklace-legend__dot--ring {
  background: transparent;
  border: 2px solid var(--accent-bright);
}

/* DAG SVG nodes */
.dag-svg .dag-node { transition: opacity 0.15s; }
.dag-svg .dag-node:hover { opacity: 1 !important; filter: brightness(1.3); }

/* ============================================================
   EFFECTS VM
   ============================================================ */
.effects-vm-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.effects-builder {
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.effects-builder__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.effects-builder__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.effects-select {
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
}
.effects-select:focus { border-color: var(--accent); }
.effects-trace {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow-x: auto;
}
.effects-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 11px;
}
.effects-table th {
  padding: 8px 12px;
  text-align: left;
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-2);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
.effects-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.effects-table__step-cell { color: var(--text-muted); font-size: 10px; }
.effects-table__type-cell { }
.effects-table__val-cell {
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 2px;
}
.effects-table__val-cell:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.effects-table__val-cell--increased {
  color: var(--accent-bright);
  background: var(--success-soft);
}
.effects-table__val-cell--decreased {
  color: var(--danger);
  background: var(--danger-soft);
}
.effects-table__row:hover td { background: rgba(255,255,255,0.02); }
.effects-constraints {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.effects-constraints__header {
  padding: 10px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.effects-constraints__body { padding: 8px 16px; }
.constraint-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
}
.constraint-row:last-child { border-bottom: none; }
.constraint-row__label { color: var(--text-dim); }
.effects-tweaker {
  border: 1px solid var(--lantern-soft);
  border-left: 3px solid var(--lantern);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.effects-tweaker__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.effects-tweaker__body { padding: 12px 16px; }
.tweaker-form__field label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 6px;
}
.tweaker-form__input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tweaker-form__input {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 10px;
  background: var(--surface-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  width: 120px;
}
.tweaker-form__input:focus { border-color: var(--lantern); }
.tweaker-form__slider { margin-top: 8px; }
.tweaker-form__slider input[type="range"] { accent-color: var(--lantern); }

/* ============================================================
   PROOF ANATOMY
   ============================================================ */
.proof-anatomy-view {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.proof-anatomy__section {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.proof-anatomy__section:last-child { border-bottom: none; }
.proof-anatomy__section-title {
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.proof-anatomy__grid {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 4px 12px;
  font-family: var(--mono);
  font-size: 10px;
}
.proof-anatomy__key { color: var(--text-muted); }
.proof-anatomy__val { color: var(--text-dim); word-break: break-all; }
.proof-anatomy__commitment {
  display: flex;
  gap: 10px;
  padding: 4px 0;
  font-family: var(--mono);
  font-size: 10px;
}
.proof-anatomy__commit-type {
  min-width: 70px;
  color: var(--info);
  font-weight: 500;
}
.proof-anatomy__commit-hash {
  color: var(--text-dim);
  word-break: break-all;
}
.proof-anatomy__fri-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.proof-anatomy__fri-layer {
  display: flex;
  gap: 16px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  padding: 3px 0;
}

/* ============================================================
   STATE DIFF
   ============================================================ */
.state-diff { font-family: var(--mono); font-size: 10px; }
.state-diff__header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 80px;
  gap: 8px;
  padding: 6px 10px;
  background: var(--surface-2);
  border-radius: var(--radius) var(--radius) 0 0;
  border-bottom: 1px solid var(--border-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.state-diff__row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 80px;
  gap: 8px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
  align-items: center;
}
.state-diff__row:last-child { border-bottom: none; }
.state-diff__row--increased { background: rgba(91, 138, 90, 0.06); }
.state-diff__row--decreased { background: rgba(212, 104, 92, 0.06); }
.state-diff__row--changed { background: rgba(217, 154, 63, 0.06); }
.state-diff__row--added { background: rgba(107, 163, 199, 0.06); }
.state-diff__row--removed { background: rgba(212, 104, 92, 0.04); }
.state-diff__field { color: var(--text-dim); }
.state-diff__value { color: var(--text-dim); }
.state-diff__value--before { opacity: 0.7; }
.state-diff__value--after { color: var(--text); }
.state-diff__change { font-weight: 500; }
.state-diff__row--increased .state-diff__change { color: var(--accent-bright); }
.state-diff__row--decreased .state-diff__change { color: var(--danger); }

/* ============================================================
   MERKLE TREE VIZ
   ============================================================ */
.merkle-tree-svg .merkle-node { transition: opacity 0.15s; }
.merkle-tree-svg .merkle-node:hover { opacity: 0.8; filter: brightness(1.3); }

/* ============================================================
   TIMELINE VIZ
   ============================================================ */
.timeline-viz { padding: 8px 0; }
.timeline-event { transition: r 0.15s; }
.timeline-event:hover { r: 6; }

/* ============================================================
   TABLE ROW HIGHLIGHT (search result)
   ============================================================ */
.ex-table tr.highlighted td {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .ex-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .ex-nav {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 8px;
  }
  .ex-nav__section {
    flex-direction: row;
    gap: 4px;
    padding: 0;
  }
  .ex-nav__item {
    padding: 6px 10px;
    white-space: nowrap;
  }
  .ex-nav__footer { display: none; }
  .ex-page { padding: 24px 20px; }
  .overview-sections { grid-template-columns: 1fr; }
  .ex-intents-sections { grid-template-columns: 1fr; }
  .ex-header__center { display: none; }
}
@media (max-width: 600px) {
  .ex-header__link { display: none; }
  .ex-nav__label { display: none; }
  .ex-nav__icon { font-size: 14px; }
  .overview-stats { grid-template-columns: 1fr 1fr; }
}