:root {
  --bg:             #EDE8DC;
  --panel:          #F0EAD8;
  --panel-strong:   #F5F0E8;
  --panel-border:   rgba(70, 48, 12, 0.22);
  --gold:           #C9A840;
  --gold-text:      #9A7220;

  --dark:           #1C1610;
  --dark-text:      #F0EAD8;
  --ink:            #1E1610;
  --muted:          #6B5030;
  --label:          #8B7040;
  --danger:         #7A2520;
  --danger-soft:    #F0D8D0;
  --selected:       #9A7220;
  --available:      #264820;
  --unavailable:    #8B7860;
  --shadow:         0 4px 16px rgba(20, 12, 4, 0.18);
  --shadow-lg:      0 8px 28px rgba(20, 12, 4, 0.26);
  --gold-bar-h:     10px;
  --action-card-width: 280px;
}

* { box-sizing: border-box; }
html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'EB Garamond', Georgia, serif;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  overflow-x: hidden;
}

/* Gold bars */
body::before,
body::after {
  content: "";
  position: fixed;
  left: 0;
  right: 0;
  height: var(--gold-bar-h);
  background: linear-gradient(90deg, #6A4C10 0%, #C9A840 25%, #EDD878 50%, #C9A840 75%, #6A4C10 100%);
  z-index: 200;
  pointer-events: none;
}
body::before { top: 0; }
body::after  { bottom: 0; }

button, input, textarea, select { font: inherit; }

/* App shell */
.app-shell {
  position: relative;
  z-index: 1;
  max-width: 1600px;
  margin: 0 auto;
  padding: calc(var(--gold-bar-h) + 14px) clamp(14px, 2.5vw, 28px) calc(var(--gold-bar-h) + 20px);
}

/* Hero */
.hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-bottom: 12px;
  padding: 7px clamp(14px, 3vw, 24px);
  background: var(--dark);
  border: 1px solid rgba(201, 168, 64, 0.28);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: rise-in 500ms ease-out both;
}

.eyebrow {
  margin: 0 0 3px;
  font-family: 'Cinzel', serif;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--gold);
  font-weight: 400;
}

h1, h2, h3 {
  margin: 0;
  font-family: 'Cinzel', serif;
  line-height: 1.1;
}

h1 {
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  color: var(--dark-text);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 700;
}

.hero-copy {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
  min-width: 200px;
}

/* Toolbar buttons */
.ghost-button {
  padding: 6px 14px;
  border: 1px solid rgba(201, 168, 64, 0.38);
  background: rgba(201, 168, 64, 0.06);
  color: var(--dark-text);
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 1px;
  cursor: pointer;
  transition: background 130ms ease, border-color 130ms ease;
}

.ghost-button:hover:not(:disabled),
.ghost-button:focus-visible:not(:disabled) {
  background: rgba(201, 168, 64, 0.16);
  border-color: var(--gold);
  outline: none;
}

.ghost-button:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

/* Error banner */
.error-banner {
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(122, 37, 32, 0.2);
  font-family: 'EB Garamond', serif;
}

/* Board */
.board {
  display: grid;
  grid-template-columns: minmax(300px, 1.08fr) minmax(280px, 0.92fr) minmax(300px, 1fr);
  gap: 12px;
  align-items: start;
}

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  animation: rise-in 580ms ease-out both;
}

.panel-header {
  padding: 7px 14px;
  background: var(--dark);
  border-bottom: 1px solid rgba(201, 168, 64, 0.18);
}

.panel-header h2 {
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--dark-text);
  text-transform: uppercase;
  font-weight: 600;
  margin: 0;
}

.panel-body {
  padding: 10px 12px 16px;
}

/* Stack and choice grid */
.stack {
  display: grid;
  gap: 8px;
}

.choice-grid {
  display: grid;
  gap: 6px;
}

.choice-grid.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Choice buttons */
.choice-button {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 9px 11px;
  text-align: left;
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 130ms ease, background 130ms ease;
  border-radius: 1px;
}

.choice-button:hover:not(:disabled),
.choice-button:focus-visible:not(:disabled) {
  border-color: rgba(201, 168, 64, 0.5);
  background: #FAF4E6;
  outline: none;
}

.choice-button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.choice-label {
  font-family: 'Cinzel', serif;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold-text);
  font-weight: 400;
}

.choice-main {
  font-family: 'EB Garamond', serif;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
  white-space: pre-line;
  color: var(--ink);
}

.choice-detail {
  font-family: 'EB Garamond', serif;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.3;
  white-space: pre-line;
}

.choice-button.is-empty {
  border-color: rgba(201, 168, 64, 0.45);
}

/* Accent / selected: dark band style like handbook section headers */
.choice-button.is-accent {
  background: var(--dark);
  border-color: rgba(201, 168, 64, 0.32);
}
.choice-button.is-accent .choice-label  { color: var(--gold); }
.choice-button.is-accent .choice-main   { color: var(--dark-text); }
.choice-button.is-accent .choice-detail { color: rgba(240, 234, 216, 0.62); }
.choice-button.is-accent:hover:not(:disabled) {
  background: #28201A;
  border-color: var(--gold);
}

/* Summary */
.summary-grid { display: grid; gap: 8px; }

.summary-card,
.tree-card,
.stat-card {
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
}

.summary-card { padding: 11px 12px; }

.summary-card h3 {
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-text);
  font-weight: 600;
  margin-bottom: 8px;
  padding-bottom: 5px;
  border-bottom: 1px solid rgba(201, 168, 64, 0.22);
}

.summary-stat-group {
  display: grid;
  gap: 6px;
}

.summary-stat-group + .summary-stat-group {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(201, 168, 64, 0.16);
}

/* Stat grid */
.stat-grid {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stat-card {
  padding: 9px 6px;
  text-align: center;
  background: var(--dark);
}

.stat-value {
  font-family: 'Cinzel', serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 2px;
}

.stat-card.is-over-limit {
  border-color: rgba(122, 37, 32, 0.55);
  background: #2A1210;
}

.stat-card.is-over-limit .stat-value {
  color: #E05050;
}

.stat-card.is-over-limit .stat-label {
  color: rgba(224, 80, 80, 0.65);
}

.stat-label {
  font-family: 'Cinzel', serif;
  color: rgba(240, 234, 216, 0.55);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.list-block {
  display: grid;
  gap: 5px;
  margin: 0; padding: 0;
  list-style: none;
}

.free-upgrades-chip {
  display: inline-block;
  margin-bottom: 8px;
  padding: 4px 10px;
  background: rgba(201, 168, 64, 0.12);
  border: 1px solid rgba(201, 168, 64, 0.38);
  color: var(--gold-text);
  font-family: 'Cinzel', serif;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.list-item {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 9px;
  background: rgba(255, 255, 255, 0.32);
  border: 1px solid rgba(70, 48, 12, 0.1);
  font-family: 'EB Garamond', serif;
  font-size: 0.94rem;
  line-height: 1.35;
  color: var(--ink);
}

.item-name {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.item-effect {
  flex-shrink: 0;
  width: 260px;
  padding: 6px 9px;
  background: rgba(201, 168, 64, 0.08);
  border: 1px solid rgba(201, 168, 64, 0.22);
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  line-height: 1.3;
  color: var(--muted);
  font-style: italic;
  border-radius: 1px;
  overflow-wrap: anywhere;
}

/* Action Card Categories */
.action-category-group {
  margin-bottom: 12px;
}

.action-category-group:last-child {
  margin-bottom: 0;
}

.action-category-title {
  font-family: 'Cinzel', serif;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold-text);
  font-weight: 600;
  margin: 0 0 6px 0;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(201, 168, 64, 0.22);
}

.action-list {
  display: grid;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.action-list-item {
  padding: 0;
}

/* Action card full layout (inline in Action Cards list) */
.action-card-full {
  display: flex;
  width: 100%;
  border: 1px solid rgba(70, 48, 12, 0.1);
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.32);
  overflow: visible;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}

.action-card-id {
  flex-shrink: 0;
  padding: 8px;
  font-family: 'Cinzel', serif;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  text-align: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.action-card-id.is-action {
  background: var(--dark);
  color: var(--gold);
  box-shadow: inset 2px 0 0 var(--gold);
}

.action-card-id.is-reaction {
  background: rgba(255, 255, 255, 0.18);
  color: var(--ink);
  box-shadow: inset 2px 0 0 var(--ink);
}

.action-card-body {
  flex: 1;
  padding: 7px 10px;
  display: grid;
  gap: 3px;
  min-width: 0;
}

.action-card-name {
  font-family: 'EB Garamond', serif;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  color: var(--ink);
  line-height: 1.2;
}

.action-card-meta {
  font-family: 'EB Garamond', serif;
  font-size: 0.86rem;
  color: var(--muted);
  font-style: italic;
  text-align: center;
  line-height: 1.2;
}

.action-card-target {
  font-family: 'EB Garamond', serif;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: right;
  line-height: 1.2;
}

.action-card-desc {
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.action-card-back {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: var(--gold);
  border: 1px solid rgba(201, 168, 64, 0.36);
  padding: 6px 6px 6px 12px;
  margin-top: 2px;
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
}

.action-card-note {
  margin-top: 4px;
  color: #4a90d9;
}

.action-card-note:first-child {
  margin-top: 0;
}

.action-card-refresh {
  margin-top: 4px;
  color: #da402f;
}

.action-card-refresh:first-child {
  margin-top: 0;
}
.action-card-back::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 13px;
  height: 13px;
  background: linear-gradient(315deg, rgba(201, 168, 64, 0.14) 0 46%, var(--panel-strong) 52% 100%);
  clip-path: polygon(0 0, 0 100%, 100% 0);
  box-shadow: 1px 1px 0 rgba(201, 168, 64, 0.26);
}

.action-card-back::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 13px;
  height: 13px;
  background: linear-gradient(315deg, transparent 0 44%, rgba(28, 22, 16, 0.72) 48% 52%, transparent 56% 100%);
  pointer-events: none;
}

.action-card-roll {
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  line-height: 1.2;
}

.action-card-difficulty {
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
}

.action-card-difficulty-icon {
  display: block;
  width: 1rem;
  height: auto;
}

.action-card-inline-icon {
  display: inline-block;
  height: 0.95em;
  width: auto;
  vertical-align: -0.12em;
  margin: 0 0.08em;
}

.action-card-back .action-card-inline-icon {
  filter: brightness(0) saturate(100%) invert(72%) sepia(31%) saturate(642%) hue-rotate(7deg) brightness(95%) contrast(89%);
}

.action-card-note .action-card-inline-icon {
  filter: brightness(0) saturate(100%) invert(52%) sepia(59%) saturate(600%) hue-rotate(185deg) brightness(105%) contrast(90%);
}

.action-card-refresh .action-card-inline-icon {
  filter: brightness(0) saturate(100%) invert(75%) sepia(28%) saturate(2913%) hue-rotate(309deg) brightness(69%) contrast(187%);
}
.action-card-modifiers {
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  color: var(--muted);
  text-align: left;
  line-height: 1.2;
}

.action-card-outcome {
  font-family: 'EB Garamond', serif;
  font-size: 0.9rem;
  color: var(--ink);
  text-align: left;
  line-height: 1.2;
  margin-top: 2px;
  padding-left: 10px;
}

/* Action card mention with tooltip (in tree version lines) */
.action-card-mention {
  position: relative;
  display: inline;
  cursor: default;
  border-bottom: 1px dotted currentColor;
}

.action-card-mention-tooltip {
  position: absolute;
  left: 0;
  top: calc(100% + 4px);
  z-index: 50;
  width: var(--action-card-width, 280px);
  background: var(--panel);
  color: var(--ink);
  font-family: 'EB Garamond', serif;
  font-size: 1rem;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: normal;
  text-transform: none;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
  box-shadow: var(--shadow-lg);
}

.action-card-mention:hover .action-card-mention-tooltip {
  opacity: 1;
  transform: translateY(0);
}

.action-card-prob {
  position: relative;
  cursor: default;
  opacity: 0.7;
  border-bottom: 1px dotted currentColor;
}

.action-card-prob-tooltip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 4px);
  z-index: 50;
  min-width: 100px;
  background: var(--dark);
  color: var(--dark-text);
  padding: 5px 8px;
  font-family: 'EB Garamond', serif;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
  box-shadow: var(--shadow-lg);
  border-radius: 2px;
}

.action-card-prob-tooltip-total {
  font-weight: 700;
  margin-bottom: 2px;
}

.action-card-prob:hover .action-card-prob-tooltip {
  opacity: 1;
  transform: translateY(0);
}

/* Trees */
.tree-stack { display: grid; gap: 10px; }

.tree-card { padding: 11px 12px; }

.tree-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 8px;
}

.tree-title-row h3 {
  font-family: 'Cinzel', serif;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-text);
  font-weight: 600;
}

.tree-type {
  color: var(--label);
  font-family: 'Cinzel', serif;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.tree-level {
  padding: 6px 0;
  border-top: 1px solid rgba(70, 48, 12, 0.1);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.tree-level:first-of-type { border-top: 0; padding-top: 0; }

.tree-level-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 58px;
  flex-shrink: 0;
  font-family: 'Cinzel', serif;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.tree-level-header span:last-child {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  font-weight: 400;
}

.tree-level.selected .tree-level-header,
.tree-level.selected .tree-version.selected { color: var(--selected); }
.tree-level.available .tree-level-header,
.tree-level.available .tree-version         { color: var(--available); }
.tree-level.unavailable .tree-level-header,
.tree-level.unavailable .tree-version       { color: var(--unavailable); }

.tree-version-list { display: grid; gap: 4px; flex: 1; min-width: 0; }

.tree-version {
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(70, 48, 12, 0.08);
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  line-height: 1.3;
  color: var(--muted);
}
.tree-version.selected {
  border-color: rgba(154, 114, 32, 0.26);
  background: rgba(201, 168, 64, 0.1);
  color: var(--ink);
  font-weight: 600;
}

/* Empty state */
.empty-state {
  padding: 14px;
  border: 1px dashed rgba(70, 48, 12, 0.2);
  background: rgba(255, 255, 255, 0.28);
  color: var(--muted);
  font-family: 'EB Garamond', serif;
  font-size: 0.94rem;
  line-height: 1.5;
  font-style: italic;
}

/* Selector overlay */
.selector-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  justify-content: flex-end;
  background: rgba(14, 10, 4, 0.65);
  backdrop-filter: blur(3px);
  padding-left: min(8vw, 64px);
  animation: fade-in 80ms ease-out both;
}

.selector-sheet {
  width: min(520px, 100%);
  height: 100%;
  padding: 18px 20px;
  background: var(--panel);
  border-left: 1px solid rgba(201, 168, 64, 0.22);
  box-shadow: -10px 0 28px rgba(14, 10, 4, 0.3);
  overflow-y: auto;
  animation: slide-in 100ms ease-out both;
}

.selector-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(201, 168, 64, 0.22);
}

.selector-header p {
  margin: 3px 0 0;
  color: var(--muted);
  font-family: 'EB Garamond', serif;
  font-size: 0.94rem;
}

.selector-header h2 {
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  color: var(--gold-text);
  text-transform: uppercase;
}

.close-button {
  width: 34px; height: 34px;
  flex-shrink: 0;
  border: 1px solid rgba(201, 168, 64, 0.3);
  border-radius: 1px;
  background: rgba(201, 168, 64, 0.06);
  color: var(--gold-text);
  font-size: 1rem;
  cursor: pointer;
  transition: background 130ms ease;
}
.close-button:hover,
.close-button:focus-visible {
  background: rgba(201, 168, 64, 0.18);
  outline: none;
}

.selector-options { display: grid; gap: 8px; }

.confirm-sheet {
  width: min(460px, 100%);
}

.confirm-message {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.45;
}

.confirm-actions {
  display: grid;
  gap: 8px;
}

.option-card {
  display: grid;
  gap: 5px;
  width: 100%;
  padding: 12px 14px;
  text-align: left;
  border: 1px solid var(--panel-border);
  background: var(--panel-strong);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 130ms ease, background 130ms ease;
  border-radius: 1px;
}
.option-card:hover,
.option-card:focus-visible {
  border-color: rgba(201, 168, 64, 0.48);
  background: #FAF4E6;
  outline: none;
}
.option-card.active {
  background: var(--dark);
  border-color: rgba(201, 168, 64, 0.38);
}
.option-card.active .option-title  { color: var(--dark-text); }
.option-card.active .option-detail { color: rgba(240, 234, 216, 0.6); }
.option-card.active .action-card-full { background: var(--panel); color: var(--ink); }

.option-title {
  font-family: 'EB Garamond', serif;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: pre-line;
  color: var(--ink);
}

.option-detail {
  color: var(--muted);
  font-family: 'EB Garamond', serif;
  font-size: 0.88rem;
  line-height: 1.38;
  white-space: pre-line;
}

.option-action-cards {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: var(--action-card-width);
  margin-top: 4px;
  pointer-events: none;
}

/* Utilities */
.hidden { display: none !important; }

/* Animations */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slide-in {
  from { opacity: 0; transform: translateX(14px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Responsive */
@media (max-width: 1180px) {
  .board { grid-template-columns: 1fr; }
  .panel { min-width: 0; }
  .choice-grid.two-up,
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-copy {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .hero-actions {
    min-width: 0;
    width: 100%;
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: calc(var(--gold-bar-h) + 8px) 10px calc(var(--gold-bar-h) + 14px);
  }

  h1 {
    font-size: clamp(1.24rem, 7.2vw, 1.7rem);
    letter-spacing: 0.12em;
  }

  .hero {
    gap: 12px;
    padding: 12px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .ghost-button {
    width: 100%;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 10px;
    padding-right: 10px;
    text-align: center;
  }

  .panel-header,
  .panel-body { padding-left: 10px; padding-right: 10px; }

  .choice-button,
  .option-card,
  .summary-card,
  .tree-card {
    padding-left: 10px;
    padding-right: 10px;
  }

  .choice-grid.two-up { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .list-item {
    flex-direction: column;
    align-items: stretch;
  }

  .item-effect {
    width: 100%;
    flex-shrink: 1;
  }

  .tree-title-row,
  .tree-level {
    flex-direction: column;
  }

  .tree-title-row { gap: 4px; }
  .tree-title-row { align-items: flex-start; }
  .tree-level { gap: 6px; align-items: stretch; }
  .tree-level-header {
    min-width: 0;
    align-self: flex-start;
  }
  .tree-version-list { width: 100%; }

  .selector-overlay {
    align-items: flex-end;
    padding-left: 0;
  }

  .selector-sheet {
    width: 100%;
    height: auto;
    max-height: min(100dvh, 100%);
    padding: 14px;
    border-left: 0;
    border-top: 1px solid rgba(201, 168, 64, 0.22);
    box-shadow: 0 -10px 28px rgba(14, 10, 4, 0.3);
    animation: rise-in 100ms ease-out both;
  }

  .confirm-sheet {
    padding: 14px;
  }
}

@media (max-width: 520px) {
  .hero-actions,
  .stat-grid {
    grid-template-columns: 1fr;
  }
}