/* ═══════════════════════════════════════════════════════════════
   Paint — editor styles
   Reuses the site's CSS variables.
   ═══════════════════════════════════════════════════════════════ */

.paint-app {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  background: var(--u-surface);
  border: 1px solid var(--u-border);
  border-top: 1px solid var(--u-border);
  border-bottom: 1px solid var(--u-border);
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  overflow: hidden;
  height: calc(100vh - 130px);
  min-height: 560px;
  position: relative;
  /* Break out of parent .container-fluid padding — always use full browser width. */
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

/* Fullscreen mode — fill the entire screen, hide the site chrome that peeks through. */
.paint-app:fullscreen,
.paint-app:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  max-width: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: var(--u-surface);
}
.paint-app.is-fullscreen .paint-menu-fullscreen i.bi-fullscreen,
.paint-app:fullscreen .paint-menu-fullscreen i.bi-fullscreen {
  display: none;
}
.paint-app .paint-menu-fullscreen i.bi-fullscreen-exit { display: none; }
.paint-app.is-fullscreen .paint-menu-fullscreen i.bi-fullscreen-exit,
.paint-app:fullscreen .paint-menu-fullscreen i.bi-fullscreen-exit {
  display: inline;
}

/* ── Menu bar ──────────────────────────────────────────────────── */
.paint-menubar {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--u-card);
  border-bottom: 1px solid var(--u-border);
  padding: 4px 8px;
}
.paint-menu-item {
  background: transparent;
  border: none;
  color: var(--u-text);
  font-size: .85rem;
  padding: .3rem .7rem;
  border-radius: .25rem;
  cursor: pointer;
}
.paint-menu-item:hover,
.paint-menu-item.open {
  background: rgba(255,255,255,.08);
}
.paint-menu-spacer { flex: 1; }
.paint-menu-hint { padding-right: 8px; }

/* ── Options bar ───────────────────────────────────────────────── */
.paint-options-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 10px;
  background: var(--u-card);
  border-bottom: 1px solid var(--u-border);
  min-height: 40px;
}
.paint-active-tool-label {
  font-weight: 600;
  font-size: .8rem;
  color: var(--u-accent);
  text-transform: uppercase;
  letter-spacing: .04em;
  min-width: 70px;
}
.paint-options-fields {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.paint-options-fields label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--u-muted);
  margin: 0;
}
.paint-options-fields input[type=range] {
  width: 110px;
}
.paint-options-fields input[type=number],
.paint-options-fields select {
  background: var(--u-bg);
  border: 1px solid var(--u-border);
  color: var(--u-text);
  border-radius: .25rem;
  font-size: .8rem;
  padding: 2px 6px;
}
.paint-options-fields .paint-num {
  display: inline-block;
  min-width: 34px;
  text-align: right;
  color: var(--u-text);
  font-variant-numeric: tabular-nums;
}
.paint-options-actions {
  display: flex;
  gap: 6px;
}
.paint-color-swatch-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.paint-color-swatch-group input[type=color] {
  width: 28px;
  height: 28px;
  border: 1px solid var(--u-border);
  border-radius: 4px;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

/* ── Main layout ───────────────────────────────────────────────── */
.paint-main {
  display: grid;
  grid-template-columns: 48px 1fr 260px;
  min-height: 0;
}

/* ── Toolbar ───────────────────────────────────────────────────── */
.paint-toolbar {
  background: var(--u-card);
  border-right: 1px solid var(--u-border);
  padding: 6px 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}
.paint-tool-btn {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--u-text);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
}
.paint-tool-btn:hover {
  background: rgba(255,255,255,.06);
}
.paint-tool-btn.active {
  background: rgba(0,200,215,.16);
  border-color: var(--u-accent);
  color: var(--u-accent);
}
.paint-tool-btn[data-shortcut]::after {
  content: attr(data-shortcut);
  position: absolute;
  right: 3px;
  bottom: 0;
  font-size: .55rem;
  color: var(--u-muted);
  text-transform: uppercase;
}

/* ── Workspace ─────────────────────────────────────────────────── */
.paint-workspace {
  position: relative;
  overflow: auto;
  background:
    linear-gradient(45deg, #222 25%, transparent 25%),
    linear-gradient(-45deg, #222 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #222 75%),
    linear-gradient(-45deg, transparent 75%, #222 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.paint-canvas-wrap {
  position: relative;
  box-shadow: 0 6px 24px rgba(0,0,0,.7);
  line-height: 0;
}
.paint-canvas-wrap canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.paint-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.paint-drop-hint {
  position: absolute;
  inset: 16px;
  border: 3px dashed var(--u-accent);
  border-radius: var(--u-radius-lg);
  background: rgba(0,200,215,.08);
  color: var(--u-accent);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 500;
  pointer-events: none;
  z-index: 40;
}
.paint-drop-hint i { font-size: 2.2rem; margin-right: 12px; }
.paint-workspace.drag-over .paint-drop-hint { display: flex; }

/* ── Right panels ──────────────────────────────────────────────── */
.paint-right {
  background: var(--u-card);
  border-left: 1px solid var(--u-border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.paint-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1;
}
.paint-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: rgba(0,0,0,.2);
  border-bottom: 1px solid var(--u-border);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--u-muted);
}
.paint-panel-actions { display: flex; gap: 2px; }
.paint-icon-btn {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--u-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
}
.paint-icon-btn:hover {
  background: rgba(255,255,255,.08);
  border-color: var(--u-border);
}
.paint-layer-props {
  padding: 8px 10px;
  border-bottom: 1px solid var(--u-border);
  background: rgba(0,0,0,.12);
}
.paint-layer-props select {
  flex: 1;
}
.paint-num {
  min-width: 34px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.paint-blend-select {
  font-size: .78rem;
  background: var(--u-bg);
  border: 1px solid var(--u-border);
  color: var(--u-text);
}

/* ── Layer list ────────────────────────────────────────────────── */
.paint-layer-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}
.paint-layer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 2px;
}
.paint-layer-item:hover { background: rgba(255,255,255,.04); }
.paint-layer-item.active {
  background: rgba(0,200,215,.12);
  border-color: var(--u-accent);
}
.paint-layer-eye {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--u-text);
  background: transparent;
  border: none;
  font-size: .9rem;
  cursor: pointer;
}
.paint-layer-eye.hidden { color: var(--u-muted); opacity: .4; }
.paint-layer-thumb {
  width: 34px;
  height: 26px;
  background:
    linear-gradient(45deg, #444 25%, transparent 25%),
    linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%),
    linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0px;
  background-color: #222;
  border: 1px solid var(--u-border);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}
.paint-layer-thumb img, .paint-layer-thumb canvas {
  width: 100%; height: 100%; display: block; object-fit: contain;
}
.paint-layer-name {
  flex: 1;
  font-size: .82rem;
  color: var(--u-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: transparent;
  border: none;
  outline: none;
  padding: 2px 4px;
  border-radius: 3px;
}
.paint-layer-name:focus {
  background: var(--u-bg);
  border: 1px solid var(--u-accent);
}

/* ── Status bar ────────────────────────────────────────────────── */
.paint-statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 12px;
  background: var(--u-card);
  border-top: 1px solid var(--u-border);
  font-size: .75rem;
  color: var(--u-muted);
}
.paint-statusbar .paint-sep { opacity: .5; }

/* ── Dropdown menu (File/Edit/…) ──────────────────────────────── */
.paint-dropdown {
  position: fixed;
  background: var(--u-card);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius);
  padding: 4px;
  min-width: 210px;
  z-index: 1000;
  box-shadow: 0 8px 30px rgba(0,0,0,.6);
}
.paint-dropdown-item {
  padding: 6px 10px;
  border-radius: 4px;
  font-size: .82rem;
  color: var(--u-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.paint-dropdown-item:hover { background: rgba(255,255,255,.08); }
.paint-dropdown-item.disabled {
  opacity: .4;
  pointer-events: none;
}
.paint-dropdown-shortcut {
  font-size: .7rem;
  color: var(--u-muted);
}
.paint-dropdown-sep {
  height: 1px;
  background: var(--u-border);
  margin: 4px 2px;
}
.paint-dropdown-sub {
  padding-left: 10px;
  font-size: .72rem;
  color: var(--u-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 4px 10px 2px;
}

/* ── Dialog ────────────────────────────────────────────────────── */
.paint-dialog-host {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.paint-dialog {
  background: var(--u-card);
  border: 1px solid var(--u-border);
  border-radius: var(--u-radius-lg);
  min-width: 360px;
  max-width: 520px;
  box-shadow: 0 10px 40px rgba(0,0,0,.7);
}
.paint-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--u-border);
  font-weight: 600;
}
.paint-dialog-body {
  padding: 14px;
  font-size: .85rem;
}
.paint-dialog-body label {
  display: block;
  margin-bottom: 8px;
  color: var(--u-text);
}
.paint-dialog-body input, .paint-dialog-body select {
  width: 100%;
  background: var(--u-bg);
  border: 1px solid var(--u-border);
  color: var(--u-text);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: .82rem;
  margin-top: 3px;
}
.paint-dialog-body .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.paint-dialog-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--u-border);
}

.btn-accent {
  background: var(--u-accent);
  color: #000;
  border: 1px solid var(--u-accent);
}
.btn-accent:hover { background: var(--u-accent-dim); border-color: var(--u-accent-dim); color: #000; }

/* marching ants for selection */
@keyframes paint-ants {
  to { stroke-dashoffset: -20; }
}

@media (max-width: 900px) {
  .paint-main { grid-template-columns: 44px 1fr; }
  .paint-right { display: none; }
}