/* SVGCreator — application styles (Phase 2) */

:root {
  --bg: #17171a;
  --panel: #232329;
  --panel-2: #2a2a31;
  --border: #34343c;
  --text: #e5e5ea;
  --muted: #9a9aa3;
  --accent: #4f8cff;
  --guide: #f97316;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  user-select: none;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ---------- Header ---------- */

.app-header {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
}

.brand .logo { width: 20px; height: 20px; color: var(--accent); }

.header-actions { display: flex; align-items: center; gap: 8px; }

.header-actions button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}

.header-actions button:hover { border-color: var(--accent); }
.header-actions button:disabled { opacity: 0.4; cursor: default; }
.header-actions button:disabled:hover { border-color: var(--border); }
.header-actions button.danger:hover { border-color: #e5484d; color: #ff8589; }
.header-actions button.active {
  background: #2c3a55;
  border-color: var(--accent);
  color: #fff;
}

.header-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 2px 4px;
}

/* ---------- Layout ---------- */

.app-main {
  flex: 1;
  display: flex;
  min-height: 0;
}

.tool-rail {
  flex: 0 0 auto;
  width: 212px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.rail-section h3 {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- Tool buttons ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 8px 4px 7px;
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
}

.tool-btn svg { width: 20px; height: 20px; }
.tool-btn:hover { color: var(--text); border-color: #4a4a55; }

.tool-btn.active {
  color: #fff;
  background: #2c3a55;
  border-color: var(--accent);
}

/* ---------- Size sliders ---------- */

.slider-row { margin-bottom: 10px; min-width: 0; }

.slider-row .slider-label {
  font-size: 12px;
  color: var(--muted);
}

.slider-row .slider-value {
  float: right;
  font-size: 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.slider-row input[type="range"] {
  width: 100%;
  margin-top: 4px;
  accent-color: var(--accent);
}

/* ---------- Segmented controls (edge, eraser mode) ---------- */

.seg {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
}

.seg button {
  flex: 1;
  background: var(--panel-2);
  color: var(--muted);
  border: 0;
  font: inherit;
  font-size: 12px;
  padding: 5px 4px;
  cursor: pointer;
}

.seg button + button { border-left: 1px solid var(--border); }
.seg button:hover { color: var(--text); }
.seg button.active { background: #2c3a55; color: #fff; }

/* ---------- Rail action buttons (Reference section, Phase 4.5) ---------- */

.rail-btn {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  padding: 6px 8px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  text-align: center;
}

.rail-btn:hover { border-color: var(--accent); }
.rail-btn.danger:hover { border-color: #e5484d; color: #ff8589; }

/* Reference section dimmed until an image is loaded */
.ref-section.ref-off { opacity: 0.45; }
.ref-section.ref-off .rail-btn:not([data-name="ref-add"]):not([data-name="ref-delete"]) { pointer-events: none; }
.ref-section.ref-off .seg button { pointer-events: none; }
.ref-section.ref-off input { pointer-events: none; }

/* Drag-over highlight while an image file hovers the canvas */
.viewport.drag-ref { outline: 2px dashed var(--accent); outline-offset: -4px; }
.viewport.drag-ref::after {
  content: "Drop image to use as reference";
  position: absolute;
  inset: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--accent);
  border-radius: 8px;
  background: rgba(79, 140, 255, 0.12);
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  pointer-events: none;
  z-index: 5;
}

/* ---------- Checkboxes (view options) ---------- */

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  cursor: pointer;
}

.check-row input { accent-color: var(--accent); }

/* ---------- Color controls ---------- */

.color-control {
  display: grid;
  grid-template-columns: 44px 26px minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  min-width: 0;
}

.color-label { font-size: 12px; color: var(--muted); }

/* The swatch doubles as the color-picker trigger. */
.swatch {
  width: 26px;
  height: 26px;
  border-radius: 5px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.color-input {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--panel-2);
  cursor: pointer;
}

/* The hex text input MUST be allowed to shrink (min-width: 0), otherwise its
   intrinsic ~170px width overflows the panel grid. */
.hex-input {
  min-width: 0;
  width: 100%;
  height: 26px;
  padding: 0 6px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--panel-2);
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
}

.none-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
  grid-column: 1 / -1;
  justify-self: start;
}

.none-btn.active {
  color: #fff;
  border-color: var(--accent);
  background: #2c3a55;
}

/* ---------- Viewport & canvas ---------- */

.viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  overflow: auto;
  padding: 40px 40px 24px 40px;
  background: radial-gradient(circle at 50% 40%, #1d1d22 0%, var(--bg) 70%);
}

#canvas {
  background: #fff;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.55);
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  touch-action: none;
}

#canvas.tool-draw { cursor: crosshair; }
#canvas.tool-select { cursor: default; }
#canvas.tool-select #objects-layer [data-id] { cursor: move; }
#canvas.panning { cursor: grab; }
#canvas.panning:active { cursor: grabbing; }

/* Overlay chrome (selection box, marquee, previews) is never interactive.
   Point-editor handles are hit-tested mathematically (selectTool.hitPoint),
   so they must not capture pointer events either. */
.preview,
.marquee,
.selection-box,
.crop-box,
.point-editor { pointer-events: none; }

.point-editor .point-anchor,
.point-editor .point-handle,
.point-editor .point-node,
.point-editor .point-vertex { transition: fill 60ms ease; }
.point-editor .point-active { fill: var(--accent, #4f8cff); }
/* Phase 4.4a: a selected point range is highlighted (and draggable). */
.point-editor .point-selected { fill: var(--accent, #4f8cff); }

/* ---------- Rulers ---------- */

.ruler {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--border);
  overflow: hidden;
  pointer-events: auto;
  z-index: 2;
}

.ruler-top { cursor: crosshair; }
.ruler-left { cursor: crosshair; }

.ruler svg { display: block; }
.ruler line { stroke: #8a8a94; stroke-width: 1; }
.ruler line.min { stroke: #55555e; }
.ruler text {
  fill: var(--muted);
  font-family: "Consolas", "Menlo", monospace;
  font-size: 9px;
  user-select: none;
}

/* ---------- Status bar ---------- */

.status-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 5px 14px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.status-cells { display: flex; align-items: center; gap: 18px; }

.zoom-widget {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.zoom-widget button {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  height: 20px;
  min-width: 24px;
  padding: 0 6px;
  font-size: 12px;
  cursor: pointer;
}

.zoom-widget button:hover { border-color: var(--accent); }

#zoom-level { min-width: 46px; text-align: center; }

.status-bar .sb-msg {
  color: var(--accent);
  margin-left: 12px;
  max-width: 40%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Font select (Text section) ---------- */

.text-font {
 width: 100%;
 height: 28px;
 margin-bottom: 10px;
 padding: 0 6px;
 border: 1px solid var(--border);
 border-radius: 5px;
 background: var(--panel-2);
 color: var(--text);
 font-family: inherit;
 font-size: 12px;
 cursor: pointer;
}

/* ---------- Text editor overlay (Phase 3) ----------
  Screen-space <textarea> that floats over the canvas while a text object
  is being edited. Positioned in JS (positionEditor) so its first-line
  baseline sits exactly on the object's anchor. */

.text-editor {
 position: absolute;
 z-index: 10;
 pointer-events: auto;
}

.text-editor-area {
 display: block;
 margin: 0;
 padding: 2px 4px;
 border: 1.5px dashed var(--accent);
 border-radius: 2px;
 background: rgba(255, 255, 255, 0.06);
 resize: none;
 overflow: hidden;
 white-space: pre;
 user-select: text;
 outline: none;
 font-variant: normal;
}