/* ============================================================
   PoolTerminal — view components
   ============================================================
   Panel/card styles for the views (grows per phase). Uses tokens
   from design-tokens.css. Loaded after app.css in index.html.
   ============================================================ */

/* ---- NOW view container ---- */
.pt-now {
  display: flex;
  flex-direction: column;
  gap: var(--pt-gap);
  flex: 1;
  min-height: 0;
}

/* ---- Hero row (4 metric cards) ---- */
.pt-hero-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--pt-gap);
}

/* Eight-card variant used by the NOW view since BP stats moved up.
   All cards use a uniform stronger border — no accent variant. */
.pt-hero-row-8 {
  grid-template-columns: repeat(8, 1fr);
}
.pt-hero-row-8 .pt-hero-card {
  padding: 10px 12px;
  border: 1px solid var(--pt-text-disabled);
}
.pt-hero-row-8 .pt-hero-value {
  font-size: var(--pt-text-data-mid);
}

/* Nine-card variant — adds the lifetime "Blocks minted" card before the eight. */
.pt-hero-row-9 {
  grid-template-columns: repeat(9, 1fr);
}
.pt-hero-row-9 .pt-hero-card {
  padding: 10px 12px;
  border: 1px solid var(--pt-text-disabled);
}
.pt-hero-row-9 .pt-hero-value {
  font-size: var(--pt-text-data-mid);
}

.pt-hero-card {
  background: var(--pt-bg-panel);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius);
  padding: var(--pt-pad-card);
}

.pt-hero-accent {
  border-color: var(--pt-accent-blue);
}

.pt-hero-label {
  color: var(--pt-text-muted);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.pt-hero-value {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data-large);
  font-weight: 500;
  line-height: 1;
  color: var(--pt-text-primary);
}

.pt-hero-unit {
  font-size: var(--pt-text-label);
  color: var(--pt-text-muted);
  font-weight: 400;
}

.pt-hero-sub {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-label);
  color: var(--pt-text-muted);
  margin-top: 3px;
}

.pt-hero-bar {
  height: 3px;
  background: var(--pt-border);
  border-radius: 1px;
  margin-top: 6px;
  overflow: hidden;
}
.pt-hero-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--pt-accent-blue);
  transition: width 0.5s ease-out;
}

/* ---- Generic panel ---- */
.pt-panel {
  background: var(--pt-bg-panel);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius);
  overflow: hidden;
}
.pt-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  background: var(--pt-bg-strip);
  border-bottom: var(--pt-border-line);
}
.pt-panel-title {
  color: var(--pt-accent-blue-bright);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
  font-weight: 600;
}
.pt-panel-meta {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data);
  color: var(--pt-text-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pt-muted { color: var(--pt-text-muted); }
.pt-accent { color: var(--pt-accent-blue); }
.pt-sep { color: var(--pt-text-disabled); }

/* Status dot (e.g. green AT TIP indicator) — gap before the following label. */
.pt-dot { margin-right: 6px; }

/* ---- Chain pulse ---- */
.pt-chainpulse-body { padding: 14px; }

.pt-cp-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.pt-cp-since-label {
  color: var(--pt-text-muted);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pt-cp-since {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data-xl);
  font-weight: 500;
  line-height: 1;
  color: var(--pt-text-primary);
}
.pt-cp-stats {
  text-align: right;
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data);
  line-height: 1.7;
  color: var(--pt-text-primary);
}

.pt-cp-hb-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--pt-font-mono);
  font-size: var(--pt-text-data);
  color: var(--pt-text-muted);
  margin-bottom: 4px;
}
.pt-cp-heartbeat {
  width: 100%;
  height: 56px;
  display: block;
  background: var(--pt-bg-strip);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius-sm);
}

.pt-cp-density-label {
  font-family: var(--pt-font-mono);
  font-size: var(--pt-text-data);
  color: var(--pt-text-muted);
  margin: 14px 0 4px;
}
.pt-cp-density {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--pt-gap);
}
.pt-cp-dcell {
  background: var(--pt-bg-strip);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius-sm);
  padding: 8px 10px;
  text-align: center;
}
.pt-cp-dwin {
  color: var(--pt-text-muted);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
  margin-bottom: 3px;
}
.pt-cp-dval {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data-mid);
  font-weight: 500;
}

/* ---- Block production grid ---- */
.pt-bp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  /* Two rows of three. The borders form a subtle inner grid. */
}
.pt-bp-cell {
  padding: 10px 12px;
  border-right: var(--pt-border-line);
  border-bottom: var(--pt-border-line);
}
.pt-bp-cell:nth-child(3n) { border-right: none; }
.pt-bp-cell:nth-last-child(-n+3) { border-bottom: none; }

/* Compact variant: single row of 6 (used in the 3-column NOW row). */
.pt-bp-grid-flat {
  grid-template-columns: repeat(6, 1fr);
}
.pt-bp-grid-flat .pt-bp-cell {
  padding: 8px 8px;
  border-bottom: none;
  border-right: var(--pt-border-line);
}
.pt-bp-grid-flat .pt-bp-cell:nth-child(3n) { border-right: var(--pt-border-line); }
.pt-bp-grid-flat .pt-bp-cell:nth-child(6n) { border-right: none; }

.pt-bp-label {
  color: var(--pt-text-muted);
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
}
.pt-bp-val {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data-mid);
  font-weight: 500;
  color: var(--pt-text-primary);
  margin-top: 3px;
  line-height: 1;
}

/* ---- NOW: 2-column row (legacy; retained in case anything still uses it) ---- */
.pt-now-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pt-gap);
}

/* ---- NOW bottom area: 3-col grid, Relay Map spans both rows ----
   row 1: Mempool   | Peers     | Relay Map
   row 2: Upcoming Blocks (2 cols)        | Relay Map (continues)
   Relay Map column is twice the width of either sibling (~50% of row width).
   Grid flex-fills the remaining viewport height. */
.pt-now-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "mempool peers map"
    "upcoming upcoming map";
  gap: var(--pt-gap);
  flex: 1;
  min-height: 0;
}
.pt-grid-mempool  { grid-area: mempool; }
.pt-grid-peers    { grid-area: peers; }
.pt-grid-upcoming { grid-area: upcoming; }
.pt-grid-map      { grid-area: map; }

/* Panels inside the grid stretch to fill their cells. */
.pt-now-grid > .pt-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.pt-now-grid .pt-mp-body,
.pt-now-grid .pt-pp-body,
.pt-now-grid .pt-ub-body {
  flex: 1;
  min-height: 0;
  height: auto;
  max-height: none;
  overflow-y: auto;
}
.pt-now-grid .pt-rm-body {
  flex: 1;
  min-height: 0;
}

/* ---- Peers panel ---- */
.pt-pp-body {
  height: 200px;
  overflow-y: auto;
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data-sm);
}
.pt-pp-row {
  display: grid;
  grid-template-columns: 1fr 60px;
  align-items: center;
  padding: 4px 12px;
  gap: 8px;
  border-bottom: var(--pt-border-line);
}
.pt-pp-row:last-child { border-bottom: none; }
.pt-pp-row:hover { background: var(--pt-bg-row-hover); }

.pt-pp-ip { color: var(--pt-text-primary); }

.pt-pp-rtt {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.pt-rtt-good    { color: var(--pt-status-good); }
.pt-rtt-warn    { color: var(--pt-status-warn); }
.pt-rtt-bad     { color: var(--pt-status-bad); }
.pt-rtt-unknown { color: var(--pt-text-muted); }

/* Numbered peer row with per-peer latency trend (pt-pp-row2) */
.pt-pp-row2 { padding: 6px 12px; border-bottom: var(--pt-border-line); }
.pt-pp-row2:last-child { border-bottom: none; }
.pt-pp-row2:hover { background: var(--pt-bg-row-hover); }
.pt-pp-line { display: grid; grid-template-columns: 24px 1fr 56px; align-items: center; gap: 8px; }
.pt-pp-num { color: var(--pt-text-muted); font-variant-numeric: tabular-nums; font-weight: 600; }
.pt-pp-trend { position: relative; margin-top: 4px; height: 22px; }
.pt-pp-spark { width: 100%; height: 22px; display: block; }
.pt-pp-spark-empty { color: var(--pt-text-muted); font-size: 9px; line-height: 22px; opacity: .7; }
.pt-pp-range { position: absolute; right: 2px; top: 50%; transform: translateY(-50%); font-size: 8px; font-variant-numeric: tabular-nums; color: var(--pt-text-muted); background: rgba(10,13,18,.6); padding: 0 3px; border-radius: 3px; }

.pt-pp-empty {
  padding: 16px 14px;
  color: var(--pt-text-muted);
  font-size: var(--pt-text-data-sm);
}

.pt-pp-body::-webkit-scrollbar { width: 6px; }
.pt-pp-body::-webkit-scrollbar-track { background: transparent; }
.pt-pp-body::-webkit-scrollbar-thumb {
  background: var(--pt-border);
  border-radius: 3px;
}
.pt-pp-body::-webkit-scrollbar-thumb:hover { background: var(--pt-text-disabled); }

/* ---- Upcoming blocks panel ---- */
.pt-ub-body {
  max-height: 260px;
  overflow-y: auto;
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data);
}

.pt-ub-row {
  display: grid;
  grid-template-columns: 34px auto auto auto minmax(0, 1fr) 60px;
  align-items: center;
  padding: 7px 12px;
  border-bottom: var(--pt-border-line);
  gap: 10px;
}
.pt-ub-row:last-child { border-bottom: none; }
.pt-ub-row:hover { background: var(--pt-bg-row-hover); }

.pt-ub-row-next {
  background: rgba(74, 143, 231, 0.05);   /* faint Cardano-blue wash on the next-up row */
}
.pt-ub-row-next .pt-ub-idx,
.pt-ub-row-next .pt-ub-eta {
  color: var(--pt-accent-blue);
}

.pt-ub-idx { color: var(--pt-text-muted); }
.pt-ub-slot { color: var(--pt-text-primary); }
.pt-ub-eta { color: var(--pt-text-primary); text-align: right; white-space: nowrap; }
.pt-ub-when { white-space: nowrap; }
.pt-ub-slot { white-space: nowrap; }

.pt-ub-empty {
  padding: 16px 12px;
  color: var(--pt-text-muted);
  text-align: center;
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-data);
}

/* Subtle dark scrollbar for the list */
.pt-ub-body::-webkit-scrollbar { width: 6px; }
.pt-ub-body::-webkit-scrollbar-track { background: transparent; }
.pt-ub-body::-webkit-scrollbar-thumb {
  background: var(--pt-border);
  border-radius: 3px;
}
.pt-ub-body::-webkit-scrollbar-thumb:hover { background: var(--pt-text-disabled); }

/* ---- Mempool panel ---- */
.pt-mp-body {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data);
  padding: 8px 12px 6px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
}
.pt-mp-spark {
  width: 100%;
  flex: 1;
  min-height: 80px;
  display: block;
}
.pt-mp-grid {
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 0.5;
}
.pt-mp-capline {
  stroke: var(--pt-text-disabled);
  stroke-width: 0.5;
  stroke-dasharray: 4 4;
  opacity: 0.6;
}
.pt-mp-block-marker {
  stroke: var(--pt-accent-blue);
  stroke-width: 0.5;
  stroke-dasharray: 1 2;
  opacity: 0.45;
}
.pt-mp-current {
  transform-origin: center center;
  transform-box: fill-box;
  animation: pt-mp-pulse 2.2s ease-in-out infinite;
  filter: drop-shadow(0 0 3px currentColor);
}
@keyframes pt-mp-pulse {
  0%, 100% { transform: scale(1);   opacity: 1;   }
  50%      { transform: scale(1.6); opacity: 0.6; }
}

.pt-mp-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: var(--pt-border-line);
  padding-top: 6px;
}
.pt-mp-stat {
  padding: 2px 6px;
  border-right: var(--pt-border-line);
}
.pt-mp-stat:last-child { border-right: none; }
.pt-mp-stat-label {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pt-text-muted);
  font-family: var(--pt-font-sans);
}
.pt-mp-stat-val {
  font-size: var(--pt-text-data);
  color: var(--pt-text-primary);
  margin-top: 2px;
}
.pt-mp-body::-webkit-scrollbar { width: 6px; }
.pt-mp-body::-webkit-scrollbar-track { background: transparent; }
.pt-mp-body::-webkit-scrollbar-thumb {
  background: var(--pt-border);
  border-radius: 3px;
}
.pt-mp-body::-webkit-scrollbar-thumb:hover { background: var(--pt-text-disabled); }

/* ---- Relay map (mini placeholder) ---- */
.pt-rm-body {
  padding: 12px;
  background: var(--pt-bg-strip);
}
.pt-rm-svg {
  width: 100%;
  height: 180px;
  display: block;
}
.pt-rm-svg circle {
  cursor: help;
}

/* ---- NOW view height management (fit window, no overall scroll) ----
   The .pt-canvas, .pt-now and .pt-now-grid flex chain is defined above.
   This block intentionally only contains rules that don't conflict with it. */
.pt-canvas {
  overflow: hidden;
}
.pt-panel-flex {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}
.pt-panel-flex .pt-ub-body {
  flex: 1;
  min-height: 0;
  max-height: none;
}
.pt-chainpulse-body { padding: 10px 12px; }
.pt-cp-top { margin-bottom: 10px; }
.pt-cp-density-label { margin-top: 10px; }
.pt-rm-body { padding: 8px; }

/* ---- Chain pulse: heartbeat tabs + 6-cell density ---- */
.pt-cp-hb-right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.pt-cp-tabs {
  display: inline-flex;
  gap: 4px;
}
.pt-cp-tab {
  font-family: var(--pt-font-mono);
  font-size: 10px;
  padding: 2px 7px;
  border: 0.5px solid var(--pt-border);
  border-radius: 3px;
  color: var(--pt-text-muted);
  cursor: pointer;
  user-select: none;
  line-height: 1.4;
}
.pt-cp-tab:hover {
  color: var(--pt-text-secondary);
  border-color: var(--pt-text-disabled);
}
.pt-cp-tab-active {
  color: var(--pt-accent-blue);
  border-color: var(--pt-accent-blue);
  background: rgba(74, 143, 231, 0.08);
}
.pt-cp-density { grid-template-columns: repeat(6, 1fr); }

/* ---- NOW bottom row legacy (no longer used; grid-area layout above
   handles both rows). Kept commented out for reference: 2-col Upcoming + Map. */
/* .pt-now-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: var(--pt-gap); min-height: 0; } */

/* Relay map fills its half-panel naturally at 2:1 */
.pt-rm-body {
  flex: 1;
  min-height: 0;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pt-rm-svg {
  width: 100%;
  height: 100%;
  max-height: 100%;
  display: block;
}

/* Upcoming blocks: Block No | progress bar | d:h:m:s | day+time | slot */
.pt-ub-row { grid-template-columns: 46px minmax(60px, 1fr) 132px 110px 124px; gap: 12px; padding: 8px 14px; }
.pt-ub-when {
  color: var(--pt-text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.pt-ub-row-next .pt-ub-when { color: var(--pt-accent-blue); }
.pt-ub-eta { font-weight: 600; }
.pt-ub-slot { color: var(--pt-text-secondary); text-align: right; }
/* next-up row: accent wash + left edge so the next block to mint stands out */
.pt-ub-row-next { box-shadow: inset 3px 0 0 var(--pt-accent-blue-bright); }
/* next-epoch rows: amber index so they're distinct from current-epoch slots */
.pt-ub-row-nx .pt-ub-idx { color: #f1c40f; }
.pt-ub-bar-track {
  width: 100%;
  height: 11px;
  background: rgba(120, 150, 200, 0.14);
  border: 1px solid rgba(120, 150, 200, 0.18);
  border-radius: 6px;
  overflow: hidden;
}
.pt-ub-bar {
  height: 100%;
  width: 0;
  background: #36e0d4;
  border-radius: 6px;
}

/* ---- Mempool: stable height regardless of tx count ---- */
.pt-mp-body {
  height: 120px;
  max-height: 120px;
  position: relative;
}
.pt-mp-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0;
  margin: 0;
}

/* ---- Mempool capacity gauge (0..300% scale, tick markers at 100% and 200%) ---- */
.pt-mp-gauge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
}
.pt-mp-gauge-track {
  position: relative;
  display: inline-block;
  width: 80px;
  height: 8px;
  background: var(--pt-border);
  border-radius: 4px;
  overflow: hidden;
}
.pt-mp-gauge-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease, background 0.3s ease;
}
.pt-mp-gauge-track::before,
.pt-mp-gauge-track::after {
  content: '';
  position: absolute;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--pt-bg-panel);
  z-index: 2;
}
.pt-mp-gauge-track::before { left: 33.33%; }
.pt-mp-gauge-track::after  { left: 66.66%; }
.pt-mp-gauge-pct {
  font-family: var(--pt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--pt-text-data);
  font-weight: 500;
  min-width: 38px;
  text-align: right;
  transition: color 0.3s ease;
}

/* ---- Connect modal ---- */
.pt-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(2px);
}
.pt-modal {
  background: var(--pt-bg-panel);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius);
  width: 520px;
  max-width: 95vw;
  max-height: 95vh;
  overflow: auto;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}
.pt-modal-header {
  padding: 14px 18px;
  border-bottom: var(--pt-border-line);
  background: var(--pt-bg-strip);
}
.pt-modal-title {
  font-family: var(--pt-font-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--pt-text-primary);
}
.pt-modal-sub {
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  color: var(--pt-text-muted);
  margin-top: 3px;
}
.pt-modal-body {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pt-modal-actions {
  padding: 12px 18px;
  border-top: var(--pt-border-line);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--pt-bg-strip);
}
.pt-modal-error {
  font-family: var(--pt-font-mono);
  font-size: var(--pt-text-data);
  color: var(--pt-status-bad);
  background: rgba(220, 76, 70, 0.08);
  border: 1px solid rgba(220, 76, 70, 0.3);
  border-radius: var(--pt-radius-sm);
  padding: 8px 10px;
  white-space: pre-wrap;
}
.pt-modal-status {
  font-family: var(--pt-font-mono);
  font-size: var(--pt-text-data);
  color: var(--pt-accent-blue);
}

/* Form fields */
.pt-field-row { display: flex; gap: 10px; }
.pt-field { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.pt-field label {
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-label);
  letter-spacing: var(--pt-tracking-label);
  text-transform: uppercase;
  color: var(--pt-text-muted);
}
.pt-field input,
.pt-field select {
  width: 100%;
  box-sizing: border-box;
  background: var(--pt-bg-base);
  border: var(--pt-border-line);
  border-radius: var(--pt-radius-sm);
  color: var(--pt-text-primary);
  font-family: var(--pt-font-mono);
  font-size: var(--pt-text-data);
  padding: 7px 9px;
  outline: none;
}
/* No spinner buttons on the Port number field (they waste width). */
.pt-field input[type="number"]::-webkit-inner-spin-button,
.pt-field input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.pt-field input:focus,
.pt-field select:focus { border-color: var(--pt-accent-blue); }
.pt-field-hint {
  font-family: var(--pt-font-sans);
  font-size: 10px;
  color: var(--pt-text-muted);
  font-style: italic;
}

/* Buttons */
.pt-btn {
  font-family: var(--pt-font-sans);
  font-size: var(--pt-text-data);
  padding: 7px 14px;
  border-radius: var(--pt-radius-sm);
  cursor: pointer;
  border: var(--pt-border-line);
  color: var(--pt-text-primary);
  background: var(--pt-bg-base);
}
.pt-btn:hover { border-color: var(--pt-text-disabled); }
.pt-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.pt-btn-primary {
  background: var(--pt-accent-blue);
  border-color: var(--pt-accent-blue);
  color: white;
}
.pt-btn-primary:hover:not(:disabled) {
  background: var(--pt-accent-blue-bright);
  border-color: var(--pt-accent-blue-bright);
}
.pt-btn-secondary { /* default base style is fine */ }