#stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 48% 12%, #1c2e38 0%, transparent 52%),
    radial-gradient(ellipse at 80% 80%, #121a16 0%, transparent 45%),
    linear-gradient(180deg, var(--sf-bg-mid) 0%, var(--sf-bg-deep) 100%);
}

#canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* React UI mount (M5 dual path ?ui=react) */
#ui-root {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

#ui-root .screen,
#ui-root .panel {
  pointer-events: auto;
}

/* —— HUD —— */

#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.25s ease;
}

#hud.is-visible,
#hud[aria-hidden="false"] {
  opacity: 1;
}

#hud .bar-wrap {
  position: absolute;
  left: var(--sf-space-4);
  top: var(--sf-space-4);
  width: min(220px, 40vw);
}

.bar {
  height: 10px;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.45);
  margin-bottom: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.bar > span {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 0.12s linear;
}

#hpBar > span {
  background: linear-gradient(90deg, #a84848, var(--sf-danger));
}

#resourceBar > span {
  background: linear-gradient(90deg, #6a9a8a, var(--sf-accent));
}

.hud-meta {
  position: absolute;
  left: var(--sf-space-4);
  top: 56px;
  font: 12px/1.4 var(--sf-font-mono);
  color: var(--sf-muted);
}

#tracker {
  position: absolute;
  right: var(--sf-space-4);
  top: var(--sf-space-4);
  width: min(260px, 44vw);
  font: 12px/1.45 var(--sf-font-ui);
  color: var(--sf-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

.tracker-line {
  margin-bottom: 4px;
  padding-left: 8px;
  border-left: 2px solid var(--sf-accent);
}

#quickbar {
  position: absolute;
  left: 50%;
  bottom: var(--sf-space-5);
  transform: translateX(-50%);
  display: flex;
  gap: var(--sf-space-2);
}

#quickbar .slot {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(164, 193, 212, 0.25);
  background: rgba(0, 0, 0, 0.4);
  border-radius: var(--sf-radius-sm);
  font: 9px/1.1 var(--sf-font-ui);
  color: var(--sf-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2px;
}

#zoneToast {
  position: absolute;
  left: 50%;
  top: 16%;
  transform: translateX(-50%);
  font: 500 18px/1.2 var(--sf-font-display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sf-text);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
}

#zoneToast.is-visible {
  opacity: 1;
}

#toastStack {
  position: absolute;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  max-width: min(360px, 90vw);
}

.toast {
  padding: 8px 14px;
  background: rgba(12, 18, 24, 0.88);
  border: var(--sf-line);
  border-radius: 6px;
  font-size: 13px;
  color: var(--sf-text);
  animation: toast-in 0.22s ease;
}

.toast--warn {
  border-color: rgba(212, 165, 116, 0.45);
  color: var(--sf-warn);
}

.toast.is-leaving {
  opacity: 0;
  transition: opacity 0.25s ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Screens & panels —— */

.screen,
.panel {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--sf-overlay);
  z-index: 5;
  pointer-events: auto;
  padding: var(--sf-space-4);
}

.screen.is-active,
.panel.is-active {
  display: flex;
}

.screen-card,
.panel-card {
  background: var(--sf-panel);
  border: var(--sf-line);
  border-radius: var(--sf-radius);
  box-shadow: var(--sf-shadow);
  padding: var(--sf-space-5);
  max-width: min(420px, 94vw);
  width: 100%;
  max-height: min(88vh, 720px);
  overflow: auto;
}

.screen-card--wide,
.panel-card--wide {
  max-width: min(520px, 94vw);
}

.screen-kicker {
  margin: 0 0 var(--sf-space-2);
  font: 10px/1.4 var(--sf-font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-accent);
}

.screen-card h1,
.panel-head h2 {
  margin: 0 0 var(--sf-space-3);
  font-family: var(--sf-font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 1.3rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sf-space-3);
  margin-bottom: var(--sf-space-3);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.panel-close {
  width: 36px;
  height: 36px;
  border: var(--sf-line);
  background: transparent;
  color: var(--sf-muted);
  border-radius: var(--sf-radius-sm);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.panel-close:hover {
  color: var(--sf-text);
  border-color: var(--sf-accent);
}

.screen-card p,
.panel-hint,
.panel-empty {
  margin: 0 0 var(--sf-space-4);
  color: var(--sf-muted);
  font-size: 0.95rem;
}

.panel-hint {
  margin: var(--sf-space-3) 0 0;
  font-size: 0.75rem;
}

.screen-card button,
.class-grid button,
.dialog-choice,
.vendor-row,
.talent-node,
.inv-slot,
.equip-row {
  font: inherit;
  color: var(--sf-text);
  cursor: pointer;
}

.screen-card > button {
  display: block;
  width: 100%;
  margin-bottom: var(--sf-space-2);
  padding: 12px 14px;
  background: var(--sf-accent-dim);
  border: 1px solid rgba(142, 184, 168, 0.35);
  border-radius: 6px;
}

.screen-card > button:hover:not(:disabled) {
  background: rgba(142, 184, 168, 0.22);
  border-color: rgba(142, 184, 168, 0.55);
}

.screen-card button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.class-grid {
  display: grid;
  gap: var(--sf-space-2);
}

.class-grid button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.28);
  border: var(--sf-line);
  border-radius: 6px;
  text-align: left;
}

.class-grid button strong {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.class-grid button span {
  color: var(--sf-muted);
  font-size: 0.85rem;
}

.class-grid button:hover {
  border-color: rgba(142, 184, 168, 0.45);
  background: var(--sf-accent-dim);
}

/* —— Inventory —— */

.equip-slots {
  display: grid;
  gap: var(--sf-space-2);
  margin-bottom: var(--sf-space-4);
}

.equip-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(164, 193, 212, 0.18);
  border-radius: var(--sf-radius-sm);
  text-align: left;
}

.equip-label {
  color: var(--sf-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sf-space-2);
}

.inv-slot {
  position: relative;
  min-height: 64px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid rgba(164, 193, 212, 0.18);
  border-radius: var(--sf-radius-sm);
  text-align: left;
}

.inv-slot.is-empty {
  opacity: 0.45;
}

.inv-name {
  display: block;
  font-size: 0.72rem;
  line-height: 1.25;
}

.inv-qty {
  position: absolute;
  right: 6px;
  bottom: 4px;
  font: 11px/1 var(--sf-font-mono);
  color: var(--sf-muted);
}

/* —— Quests / talents / dialog / vendor —— */

.quest-log {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-2);
}

.quest-row {
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.28);
  border-left: 3px solid var(--sf-muted);
  border-radius: 0 var(--sf-radius-sm) var(--sf-radius-sm) 0;
}

.quest-row strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.9rem;
}

.quest-row span {
  color: var(--sf-muted);
  font-size: 0.8rem;
}

.quest-row.status-active {
  border-left-color: var(--sf-accent);
}

.quest-row.status-ready {
  border-left-color: var(--sf-ok);
}

.quest-row.status-completed {
  border-left-color: var(--sf-muted);
  opacity: 0.7;
}

.talent-tree {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-2);
}

.talent-points {
  margin: 0 0 var(--sf-space-2);
  color: var(--sf-muted);
  font-size: 0.9rem;
}

.talent-row-label {
  margin-top: var(--sf-space-2);
  font: 10px/1.4 var(--sf-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sf-accent);
}

.talent-node {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(164, 193, 212, 0.15);
  border-radius: var(--sf-radius-sm);
  text-align: left;
}

.talent-node span {
  color: var(--sf-muted);
  font-size: 0.8rem;
}

.talent-node.is-owned {
  border-color: rgba(142, 184, 168, 0.5);
  background: var(--sf-accent-dim);
}

.talent-node.is-available:not(:disabled) {
  border-color: rgba(107, 207, 122, 0.45);
}

.talent-node:disabled:not(.is-owned) {
  opacity: 0.45;
  cursor: not-allowed;
}

.dialog-text {
  margin: 0 0 var(--sf-space-4);
  line-height: 1.5;
  color: var(--sf-text);
}

.dialog-choices {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-2);
}

.dialog-choice {
  width: 100%;
  padding: 11px 14px;
  text-align: left;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(142, 184, 168, 0.28);
  border-radius: 6px;
}

.dialog-choice:hover {
  background: var(--sf-accent-dim);
}

.vendor-gold-line {
  margin: 0 0 var(--sf-space-3);
  color: var(--sf-muted);
  font-size: 0.9rem;
}

.vendor-list {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-2);
}

.vendor-section-label {
  margin-top: var(--sf-space-2);
  font: 10px/1.4 var(--sf-font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sf-accent);
}

.vendor-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(164, 193, 212, 0.15);
  border-radius: var(--sf-radius-sm);
  text-align: left;
}

.vendor-price {
  color: var(--sf-muted);
  font: 12px/1 var(--sf-font-mono);
  white-space: nowrap;
}

/* —— Rarity —— */

.rarity-common {
  color: var(--sf-rarity-common);
  border-color: color-mix(in srgb, var(--sf-rarity-common) 35%, transparent);
}

.rarity-uncommon {
  color: var(--sf-rarity-uncommon);
  border-color: color-mix(in srgb, var(--sf-rarity-uncommon) 40%, transparent);
}

.rarity-rare {
  color: var(--sf-rarity-rare);
  border-color: color-mix(in srgb, var(--sf-rarity-rare) 40%, transparent);
}

.rarity-epic {
  color: var(--sf-rarity-epic);
  border-color: color-mix(in srgb, var(--sf-rarity-epic) 40%, transparent);
}

.rarity-legendary {
  color: var(--sf-rarity-legendary);
  border-color: color-mix(in srgb, var(--sf-rarity-legendary) 45%, transparent);
}

.inv-slot.rarity-common,
.equip-row.rarity-common,
.vendor-row.rarity-common,
#quickbar .slot.rarity-common {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sf-rarity-common) 25%, transparent);
}

.inv-slot.rarity-uncommon,
.equip-row.rarity-uncommon,
.vendor-row.rarity-uncommon,
#quickbar .slot.rarity-uncommon {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sf-rarity-uncommon) 30%, transparent);
}

.inv-slot.rarity-rare,
.equip-row.rarity-rare,
.vendor-row.rarity-rare,
#quickbar .slot.rarity-rare {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sf-rarity-rare) 30%, transparent);
}

.inv-slot.rarity-epic,
.equip-row.rarity-epic,
.vendor-row.rarity-epic,
#quickbar .slot.rarity-epic {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sf-rarity-epic) 30%, transparent);
}

.inv-slot.rarity-legendary,
.equip-row.rarity-legendary,
.vendor-row.rarity-legendary,
#quickbar .slot.rarity-legendary {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sf-rarity-legendary) 35%, transparent);
}

.hidden {
  display: none !important;
}

/* —— Responsive —— */

@media (max-width: 560px) {
  .hud-meta {
    font-size: 11px;
  }

  #tracker {
    top: auto;
    bottom: 96px;
    right: var(--sf-space-3);
    width: min(200px, 50vw);
    font-size: 11px;
  }

  .inventory-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .inv-slot {
    min-height: 56px;
    padding: 6px;
  }

  .screen-card h1 {
    font-size: 1.15rem;
    letter-spacing: 0.1em;
  }

  #quickbar .slot {
    width: 38px;
    height: 38px;
  }
}

@media (min-width: 900px) {
  .inventory-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .class-grid {
    grid-template-columns: 1fr;
  }
}