/* Plain 12 pixel font (local or fallback) */
:root {
  --font-pixel: 'Plain 12', 'Courier New', monospace;
  --font-pixel-bold: 'Plain 12 Bold', 'Plain 12', 'Courier New', monospace;
  /* OSRS Palette */
  --osrs-bg: #000000;
  --osrs-panel: #463d32;
  /* Standard brown interface */
  --osrs-panel-light: #5b4a3e;
  --osrs-border-raised: #807660;
  --osrs-border-inset: #382e25;
  --osrs-text-orange: #ff981f;
  --osrs-text-yellow: #ffff00;
  --osrs-text-white: #ffffff;
  --osrs-text-shadow: #000000;
  --osrs-button-hover: #736050;

  --bg: var(--osrs-bg);
  --panel: var(--osrs-panel);
  --panel-2: var(--osrs-panel-light);
  --ink: var(--osrs-text-orange);
  --muted: #c8bfa6;
  /* Lighter beige for muted text */
  --accent: #ffffff;
  /* Selection outline */
  --accent-2: #ff981f;
  --danger: #7a1f1f;
  --ok: #22c55e;
  --grid: var(--osrs-border-inset);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  user-select: none;
  -webkit-user-select: none;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: 16px;
  /* OSRS font is pixelated, usually needs to be slightly larger or exact */
  line-height: 1.4;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  text-shadow: 1px 1px 0px #000;
  /* Classic OSRS text shadow */
}

/* --- SCROLLBARS --- */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: #1b1b1b;
}

::-webkit-scrollbar-thumb {
  background: #5b4a3e;
  border: 2px solid #1b1b1b;
}

::-webkit-scrollbar-thumb:hover {
  background: #736050;
}

/* --- HEADER --- */
header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: var(--panel);
  border-bottom: 2px solid var(--osrs-border-inset);
  position: sticky;
  top: 0;
  z-index: 3;
  box-shadow: inset 0 1px 0 var(--osrs-border-raised);
}

header .brand {
  font-family: var(--font-pixel-bold);
  font-weight: bold;
  color: var(--osrs-text-yellow);
  font-size: 1.2rem;
  margin-right: 8px;
  text-shadow: 1px 1px 0 #000;
}

/* --- BUTTONS (OSRS Style) --- */
button,
.btn {
  appearance: none;
  border: 2px solid;
  border-color: var(--osrs-border-raised) var(--osrs-border-inset) var(--osrs-border-inset) var(--osrs-border-raised);
  background: var(--panel-2);
  color: var(--osrs-text-white);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  font-family: var(--font-pixel);
  font-size: 16px;
  text-shadow: 1px 1px 0 #000;
  transition: none;
  /* OSRS is snappy */
}

button:hover,
.btn:hover {
  background: var(--osrs-button-hover);
  color: var(--osrs-text-yellow);
}

button:active,
.btn:active {
  border-color: var(--osrs-border-inset) var(--osrs-border-raised) var(--osrs-border-raised) var(--osrs-border-inset);
  background: var(--panel);
  transform: translateY(1px);
}

button.active,
.tool.active {
  background: #4a3a2e;
  border-color: var(--osrs-border-inset) var(--osrs-border-raised) var(--osrs-border-raised) var(--osrs-border-inset);
  color: var(--osrs-text-yellow);
}

header .danger {
  background: #4a1a1a;
  border-color: #6a2a2a #2a0a0a #2a0a0a #6a2a2a;
}

header .accent {
  color: var(--osrs-text-yellow);
}

header .spacer {
  flex: 1;
}

/* --- LAYOUT --- */
main {
  display: grid;
  grid-template-columns: 260px 1fr 260px;
  /* Slightly narrower panels */
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

aside {
  background: var(--panel);
  border-right: 2px solid var(--osrs-border-inset);
  border-left: 2px solid var(--osrs-border-raised);
  /* For right panel */
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

aside:first-of-type {
  border-left: none;
  border-right: 2px solid var(--osrs-border-inset);
  box-shadow: inset -1px 0 0 var(--osrs-border-inset), inset 1px 0 0 var(--osrs-border-raised);
}

aside.right {
  border-right: none;
  border-left: 2px solid var(--osrs-border-inset);
  box-shadow: inset 1px 0 0 var(--osrs-border-raised);
}

/* --- SECTIONS --- */
.section {
  padding: 0.5rem;
  border-bottom: 1px solid var(--osrs-border-inset);
  box-shadow: 0 1px 0 var(--osrs-border-raised);
}

.section h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--osrs-text-orange);
  font-family: var(--font-pixel-bold);
  font-weight: bold;
  text-align: center;
  text-shadow: 1px 1px 0 #000;
}

.map-preview {
  position: relative;
  width: 100%;
  background: #1b1b1b;
  border: 2px solid var(--osrs-border-inset);
  box-shadow: inset 0 1px 0 var(--osrs-border-raised);
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.map-preview canvas {
  width: 100%;
  height: 100%;
  display: block;
  image-rendering: pixelated;
}

.map-icon-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
  padding: 4px;
  background: #1b1b1b;
  border: 1px solid var(--osrs-border-inset);
}

.map-icon-tile {
  cursor: pointer;
  padding: 4px;
  border: 2px solid transparent;
  background: #0a0c12;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.map-icon-tile.selected {
  border-color: var(--accent-2);
  background: rgba(255, 152, 31, 0.15);
  color: #fff;
}

.map-icon-tile img {
  width: 24px;
  height: 24px;
  image-rendering: pixelated;
}

.preview-hint {
  position: absolute;
  right: 6px;
  bottom: 4px;
  padding: 2px 6px;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--osrs-border-inset);
  text-shadow: 1px 1px 0 #000;
  pointer-events: none;
}

/* --- WIDGETS --- */
.stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.row.wrap {
  flex-wrap: wrap;
}

label {
  font-size: 16px;
  color: var(--osrs-text-orange);
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  background: #2b2b2b;
  border: 1px solid var(--osrs-border-inset);
  border-bottom-color: var(--osrs-border-raised);
  /* Inset look */
  border-right-color: var(--osrs-border-raised);
  color: var(--osrs-text-white);
  padding: 3px 5px;
  font-family: 'runescape_uf', sans-serif;
  font-size: 16px;
}

input,
textarea,
[contenteditable] {
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}

input[type="color"] {
  appearance: none;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 2px solid var(--osrs-border-inset);
  background: transparent;
  border-radius: 0;
}

.pill {
  padding: 2px 6px;
  border: 1px solid var(--osrs-border-inset);
  background: #362e26;
  color: var(--osrs-text-white);
  border-radius: 0;
}

/* --- TOOLBAR --- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  justify-content: center;
}

.tool {
  width: 32px;
  height: 32px;
  padding: 4px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool svg {
  stroke: currentColor;
}

/* --- CANVAS --- */
#canvasWrap {
  position: relative;
  overflow: hidden;
  background: #000;
  cursor: default;
  border: 2px solid var(--osrs-border-inset);
  /* Inset frame */
}

canvas {
  position: absolute;
  inset: 0;
  image-rendering: pixelated;
  cursor: inherit;
}

#view {
  z-index: 1;
}

#overlay {
  z-index: 2;
  pointer-events: none;
}

/* --- PALETTE --- */
.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
  gap: 4px;
  padding: 4px;
  background: #2b2b2b;
  border: 2px solid var(--osrs-border-inset);
}

.tile {
  width: 100%;
  aspect-ratio: 1/1;
  border: 1px solid #555;
  background: #000;
  cursor: pointer;
}

.tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  image-rendering: pixelated;
}

.tile.active {
  outline: 2px solid var(--osrs-text-yellow);
  z-index: 1;
}

.palette-panel {
  gap: 0.4rem;
}

.palette-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
  gap: 6px;
  padding: 4px;
  background: #2b2b2b;
  border: 2px solid var(--osrs-border-inset);
}

.swatch-btn {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  border: 1px solid var(--osrs-border-inset);
  background: #111;
  color: var(--osrs-text-white);
  font-size: 12px;
  text-shadow: 1px 1px 0 #000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 4px;
}

.swatch-btn:hover {
  border-color: var(--osrs-text-yellow);
  color: var(--osrs-text-yellow);
}

.swatch-btn.active {
  outline: 2px solid var(--osrs-text-yellow);
  border-color: var(--osrs-text-yellow);
}

.swatch-btn .swatch-name {
  width: 100%;
  text-align: center;
  background: rgba(0, 0, 0, 0.45);
  padding: 2px 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-color-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 2px;
}

.layer-color-chip {
  width: 20px;
  height: 20px;
  border: 2px solid var(--osrs-border-inset);
  background: #222;
}

.layer-color-text {
  font-size: 14px;
  color: var(--osrs-text-white);
}

/* --- LAYERS --- */
.layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.layer-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--osrs-border-inset);
  background: #3e352a;
}

.layer-item.active {
  background: #4a3a2e;
  border: 1px solid var(--osrs-text-orange);
}

.layer-item .name {
  color: var(--osrs-text-white);
}

/* --- KEYBOARD HINTS --- */
.kbd {
  font-family: 'runescape_uf', monospace;
  font-size: 14px;
  background: #2b2b2b;
  border: 1px solid #555;
  padding: 0 4px;
  color: #fff;
  border-radius: 2px;
}

/* --- DIALOGS --- */
dialog {
  border: 2px solid var(--osrs-border-raised);
  border-top-color: var(--osrs-border-raised);
  border-left-color: var(--osrs-border-raised);
  border-bottom-color: var(--osrs-border-inset);
  border-right-color: var(--osrs-border-inset);
  background: var(--panel);
  color: var(--osrs-text-orange);
  padding: 1rem;
  width: min(500px, 90vw);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

dialog h2 {
  margin-top: 0;
  color: var(--osrs-text-yellow);
  text-align: center;
  border-bottom: 1px solid var(--osrs-border-inset);
  padding-bottom: 0.5rem;
}

fieldset {
  border: 1px solid var(--osrs-border-inset);
  padding: 0.5rem;
}

legend {
  color: var(--osrs-text-white);
  padding: 0 4px;
}

/* --- GRID SETTINGS --- */
.grid-settings {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.grid-row {
  display: grid;
  grid-template-columns: 50px 1fr auto auto;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: #3e352a;
  border: 1px solid var(--osrs-border-inset);
}

.grid-label {
  color: var(--osrs-text-orange);
}

.grid-color input[type="color"] {
  width: 24px;
  height: 24px;
  border: 1px solid #000;
}


/* --- UTILS --- */
.muted {
  color: var(--muted);
}

.text-center {
  text-align: center;
}