/**
 * Main Panel 2D chrome — production info.grudge-studio.com/main-panel.html
 *
 * Assets (do not invent):
 *  - CraftPix RPG MMO UI via ui.grudge-studio.com + assets CDN craftpix-rpg CSS
 *  - Local ObjectStore ui/packs/gold panels · ui/scroll parchment
 *
 * npm 2D best practices:
 *  - pixelated icons · GPU-friendly transforms (opacity/transform only)
 *  - prefers-reduced-motion · content-visibility for off-tab
 *  - will-change only while animating · no layout thrash on hover
 */

:root {
  --mp2d-craftpix: https://ui.grudge-studio.com/assets/craftpix;
  --mp2d-cdn-craftpix: https://assets.grudge-studio.com/ui/craftpix-rpg;
  --mp2d-gold-panel: url("/ui/packs/gold/panels.png");
  --mp2d-slot-bg: url("https://ui.grudge-studio.com/assets/craftpix/Inventory/Inventory_Slot_Background.png");
  --mp2d-window-bg: url("https://ui.grudge-studio.com/assets/craftpix/Window/Window_Background.png");
  --mp2d-modal-bg: url("https://ui.grudge-studio.com/assets/craftpix/Modal%20Box/ModalBox_Background.png");
  --mp2d-ab-slot: url("https://ui.grudge-studio.com/assets/craftpix/Action%20Bar/Slots/AB_MainSlot_Background.png");
  --mp2d-ab-border: url("https://ui.grudge-studio.com/assets/craftpix/Action%20Bar/Slots/AB_MainSlot_Border.png");
  --mp2d-chat-tab: url("https://ui.grudge-studio.com/assets/craftpix/Chat/Tabs/Chat_Tab_Background.png");
  --mp2d-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mp2d-dur: 220ms;
  --mp2d-dur-slow: 420ms;
}

/* ── Page shell: atmosphere + vignette (AI-style gold mist, CSS only) ── */
body.scroll-theme.mp2d-ready {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(212, 164, 0, 0.12), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 80%, rgba(80, 40, 120, 0.08), transparent 50%),
    radial-gradient(ellipse 50% 35% at 0% 70%, rgba(40, 80, 60, 0.06), transparent 45%),
    linear-gradient(180deg, hsl(225 30% 6%) 0%, hsl(225 28% 9%) 45%, hsl(225 32% 5%) 100%);
  background-attachment: fixed;
  font-family: var(--font-body);
}

body.scroll-theme.mp2d-ready::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 220, 120, 0.04) 0%, transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(160, 120, 255, 0.035) 0%, transparent 30%);
  animation: mp2d-atmos 14s ease-in-out infinite alternate;
}

body.scroll-theme.mp2d-ready .app {
  position: relative;
  z-index: 1;
}

@keyframes mp2d-atmos {
  from { opacity: 0.55; transform: scale(1); }
  to { opacity: 1; transform: scale(1.04); }
}

/* ── Top bar / menu chrome ── */
.mp2d-ready .top-bar {
  background:
    linear-gradient(180deg, rgba(40, 28, 14, 0.95) 0%, rgba(20, 14, 8, 0.98) 100%);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--gold), transparent) 1;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 220, 140, 0.08);
  backdrop-filter: blur(6px);
}

.mp2d-ready .top-bar h1,
.mp2d-ready .logo h1 {
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-shadow: 0 0 18px rgba(212, 164, 0, 0.35);
}

.mp2d-ready .player-info .name {
  font-family: var(--font-heading);
}

/* Language switcher */
.mp2d-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
}
.mp2d-lang label {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
  font-family: var(--font-heading);
}
.mp2d-lang select {
  appearance: none;
  background: #1a120c;
  border: 1px solid rgba(201, 149, 10, 0.4);
  color: var(--gold);
  font-family: var(--font-heading);
  font-size: 10px;
  padding: 4px 22px 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%),
    linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  transition: border-color var(--mp2d-dur) var(--mp2d-ease), box-shadow var(--mp2d-dur);
}
.mp2d-lang select:hover,
.mp2d-lang select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(212, 164, 0, 0.2);
  outline: none;
}

/* ── Columns as framed containers ── */
.mp2d-ready .left-col,
.mp2d-ready .right-col {
  background:
    linear-gradient(180deg, rgba(26, 18, 12, 0.96) 0%, rgba(14, 10, 6, 0.98) 100%);
  border-color: rgba(201, 149, 10, 0.28);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.35);
}

.mp2d-ready .left-col {
  border-right: 2px solid rgba(201, 149, 10, 0.28);
}
.mp2d-ready .right-col {
  border-left: 2px solid rgba(201, 149, 10, 0.28);
}

/* Panel frames using CraftPix window texture (9-ish stretch) */
.mp2d-ready .eq-panel,
.mp2d-ready .attr-card,
.mp2d-ready .wst-header,
.mp2d-ready .mp-attr-row,
.mp2d-ready .tree-node,
.mp2d-ready .mp-skill-chip {
  border-image-source: none;
  background-image:
    linear-gradient(180deg, rgba(34, 23, 16, 0.92), rgba(20, 14, 8, 0.96));
  border: 1px solid rgba(201, 149, 10, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 230, 160, 0.06),
    0 4px 14px rgba(0, 0, 0, 0.35);
  transition:
    transform var(--mp2d-dur) var(--mp2d-ease),
    border-color var(--mp2d-dur) var(--mp2d-ease),
    box-shadow var(--mp2d-dur) var(--mp2d-ease);
}

.mp2d-ready .attr-card:hover,
.mp2d-ready .tree-node:hover,
.mp2d-ready .mp-skill-chip.can-invest:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 164, 0, 0.55);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4), 0 0 12px rgba(212, 164, 0, 0.12);
}

/* ── Tab strip as menu assets ── */
.mp2d-ready .tab-strip {
  background:
    linear-gradient(180deg, #1a140c 0%, #100c08 100%);
  border-bottom: 2px solid rgba(212, 164, 0, 0.45);
  gap: 2px;
  padding: 0 6px;
}

.mp2d-ready .tab-btn {
  position: relative;
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  padding: 12px 16px 10px;
  transition:
    color var(--mp2d-dur) var(--mp2d-ease),
    background var(--mp2d-dur) var(--mp2d-ease),
    transform var(--mp2d-dur) var(--mp2d-ease);
}

.mp2d-ready .tab-btn::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: scaleX(0);
  transition: transform var(--mp2d-dur) var(--mp2d-ease);
}

.mp2d-ready .tab-btn:hover {
  color: var(--text);
  background: rgba(255, 215, 0, 0.06);
  transform: translateY(-1px);
}

.mp2d-ready .tab-btn.active {
  color: var(--gold);
  background: rgba(255, 215, 0, 0.1);
  text-shadow: 0 0 12px rgba(212, 164, 0, 0.35);
}
.mp2d-ready .tab-btn.active::after {
  transform: scaleX(1);
}

/* Tab content enter animation */
.mp2d-ready .content-area.mp2d-enter {
  animation: mp2d-fade-up var(--mp2d-dur-slow) var(--mp2d-ease) both;
}

@keyframes mp2d-fade-up {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Inventory / equip slots with CraftPix slot art ── */
.mp2d-ready .inv-cell,
.mp2d-ready .eq-slot,
.mp2d-ready .hb-slot {
  background-color: #1a120c;
  background-image: var(--mp2d-slot-bg);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  border-color: rgba(201, 149, 10, 0.35);
  transition:
    transform var(--mp2d-dur) var(--mp2d-ease),
    box-shadow var(--mp2d-dur) var(--mp2d-ease),
    border-color var(--mp2d-dur) var(--mp2d-ease),
    filter var(--mp2d-dur);
}

.mp2d-ready .inv-cell:hover,
.mp2d-ready .eq-slot:hover,
.mp2d-ready .hb-slot:hover {
  transform: scale(1.06);
  border-color: var(--gold);
  box-shadow: 0 0 14px rgba(212, 164, 0, 0.28);
  z-index: 2;
}

.mp2d-ready .eq-slot.equipped {
  box-shadow: 0 0 16px rgba(212, 164, 0, 0.35), inset 0 0 12px rgba(212, 164, 0, 0.08);
  animation: mp2d-equip-glow 2.4s ease-in-out infinite;
}

@keyframes mp2d-equip-glow {
  0%, 100% { box-shadow: 0 0 10px rgba(212, 164, 0, 0.2), inset 0 0 8px rgba(212, 164, 0, 0.05); }
  50% { box-shadow: 0 0 20px rgba(212, 164, 0, 0.4), inset 0 0 14px rgba(212, 164, 0, 0.1); }
}

.mp2d-ready .inv-cell img,
.mp2d-ready .eq-slot .slot-icon,
.mp2d-ready .hb-slot img,
.mp2d-ready .mp-skill-chip img,
.mp2d-ready .attr-card-head img {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Hotbar footer as action-bar strip */
.mp2d-ready .hotbar {
  background:
    linear-gradient(180deg, rgba(18, 12, 6, 0.98), rgba(10, 8, 4, 0.99));
  border-top: 2px solid rgba(212, 164, 0, 0.4);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.4);
  padding: 8px;
  gap: 6px;
}

.mp2d-ready .hb-slot {
  width: 48px;
  height: 48px;
  border-radius: 8px;
}

/* Hero viewport frame polish */
.mp2d-ready .hero-viewport {
  border: 2px solid rgba(212, 175, 55, 0.45);
  box-shadow:
    inset 0 0 50px rgba(0, 0, 0, 0.6),
    0 0 24px rgba(212, 175, 55, 0.12),
    0 0 0 1px rgba(0, 0, 0, 0.5);
  animation: mp2d-viewport-idle 6s ease-in-out infinite;
}

@keyframes mp2d-viewport-idle {
  0%, 100% { box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.6), 0 0 18px rgba(212, 175, 55, 0.1); }
  50% { box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.55), 0 0 28px rgba(212, 175, 55, 0.18); }
}

/* Section titles */
.mp2d-ready .section-title,
.mp2d-ready .inv-header h3 {
  font-family: var(--font-display);
  text-shadow: 0 0 10px rgba(212, 164, 0, 0.2);
}

/* Inventory header strip */
.mp2d-ready .inv-header {
  background: linear-gradient(180deg, rgba(40, 28, 14, 0.5), transparent);
  border-bottom-color: rgba(201, 149, 10, 0.3);
}

/* Craft embed / empty states */
.mp2d-ready .craft-embed-wrap {
  border-radius: 12px;
}
.mp2d-ready .craft-embed {
  border: 2px solid rgba(201, 149, 10, 0.35);
  border-radius: 12px;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.5);
}

/* Tooltip entrance */
.mp2d-ready .eq-tooltip {
  transition: opacity 0.18s var(--mp2d-ease), transform 0.18s var(--mp2d-ease);
  transform: translateY(4px);
}
.mp2d-ready .eq-tooltip.visible {
  transform: translateY(0);
}

/* Scrollbars — themed */
.mp2d-ready .left-col,
.mp2d-ready .content-area,
.mp2d-ready .inv-grid,
.mp2d-ready .eq-tooltip {
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 149, 10, 0.45) rgba(0, 0, 0, 0.3);
}

/* ── Reduced motion (a11y / battery) ── */
@media (prefers-reduced-motion: reduce) {
  body.scroll-theme.mp2d-ready::before,
  .mp2d-ready .eq-slot.equipped,
  .mp2d-ready .hero-viewport,
  .mp2d-ready .content-area.mp2d-enter {
    animation: none !important;
  }
  .mp2d-ready .tab-btn,
  .mp2d-ready .inv-cell,
  .mp2d-ready .eq-slot,
  .mp2d-ready .hb-slot,
  .mp2d-ready .attr-card {
    transition: none !important;
  }
}

/* ── Dense / mobile: keep hit targets ≥44px ── */
@media (max-width: 700px) {
  .mp2d-ready .hb-slot {
    width: 44px;
    height: 44px;
  }
  .mp2d-lang select {
    font-size: 11px;
    padding: 6px 24px 6px 8px;
  }
}

/* ═══════════════════════════════════════════════════════════════
 * Fluid canvas — #mainScroll fills viewport under top-bar
 * (WRONG design-scale stage + transform:scale PURGED)
 * ═══════════════════════════════════════════════════════════════ */

body.scroll-theme .app,
body.mp-fluid-fit .app {
  display: flex !important;
  flex-direction: column !important;
  height: 100vh !important;
  height: 100dvh !important;
  max-height: 100dvh !important;
  overflow: hidden !important;
}

body.scroll-theme .app > .top-bar,
body.mp-fluid-fit .app > .top-bar {
  flex-shrink: 0;
  z-index: 5;
}

/* Canvas host = full remaining height */
body.mp-fluid-fit #mainScroll,
body.mp-fluid-fit #mainScroll.scroll-shell,
body.mp-fluid-fit #mainScroll.main-canvas-host {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
  position: relative;
  transform: none !important;
}

body.mp-fluid-fit #mainScroll > .scroll-content {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

body.mp-fluid-fit #mainScroll .main-body {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  display: flex !important;
  overflow: hidden !important;
}

body.mp-fluid-fit #mainScroll .center-col {
  flex: 1 1 auto !important;
  min-width: 0 !important;
  min-height: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}

body.mp-fluid-fit #mainScroll .content-area {
  flex: 1 1 auto !important;
  min-height: 0 !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

body.mp-fluid-fit #mainScroll .left-col {
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  flex-shrink: 0;
}

body.mp-fluid-fit #mainScroll .right-col {
  flex-shrink: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.mp-fluid-fit #mainScroll .inv-grid {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  align-content: start;
}

body.mp-fluid-fit .app > .hotbar {
  flex-shrink: 0 !important;
  width: 100%;
}

/* Drag overlay lives on #mainScroll */
#mainScroll > .mp2d-canvas,
.mp2d-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 40;
  touch-action: none;
}

.inv-cell.is-dragging-src,
.eq-slot.is-dragging-src,
.hb-slot.is-dragging-src {
  opacity: 0.45;
  filter: saturate(0.6);
}

/* Purge legacy mpStage wrappers if DOM still has them */
#mpStage,
.mp-stage {
  display: contents !important;
}
#mpStageInner,
.mp-stage-inner {
  display: contents !important;
  transform: none !important;
}

.mp-scale-chip {
  position: fixed;
  right: 10px;
  bottom: 10px;
  z-index: 50;
  font: 10px/1.2 var(--font-mono, monospace);
  color: rgba(212, 164, 0, 0.75);
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(201, 149, 10, 0.35);
  border-radius: 6px;
  padding: 4px 8px;
  pointer-events: none;
  opacity: 0;
}
body.mp-canvas-2d.show-scale-chip .mp-scale-chip {
  opacity: 1;
}