/*
 * editor.css — layout and chrome for the Blockwork IDE.
 *
 * The editor is a CSS grid: a header bar on top, a three-column work area in
 * the middle (palette · canvas · inspector), and a collapsible dev console at
 * the bottom. Component preview rendering lives inside the canvas; the runtime
 * preview opens as a modal overlay.
 *
 * Colours/spacing come from tokens.css — avoid hard-coded values here.
 */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 14px;
}

/* Visible focus everywhere — the whole editor must be keyboard-navigable. */
:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 1px;
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------------ */
/* App shell grid                                                      */
/* ------------------------------------------------------------------ */
.app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

.app-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-weight: 700;
}
.brand .brand-mark { color: var(--color-accent); font-size: 1.1rem; }
.brand .brand-tagline {
  color: var(--color-muted);
  font-weight: 400;
  font-size: 0.8rem;
}

.project-name {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text);
  font: inherit;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}
.project-name:hover { border-color: var(--color-border); }
.project-name:focus { border-color: var(--color-accent); }

.toolbar { display: flex; gap: var(--space-2); align-items: center; }

/* ------------------------------------------------------------------ */
/* Buttons (shared)                                                    */
/* ------------------------------------------------------------------ */
.btn {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.btn:hover { border-color: var(--color-accent); }
.btn-primary { background: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }
.btn-danger:hover { border-color: var(--color-danger); color: var(--color-danger-hover); }

/* Dropdown menu (Examples) */
.menu { position: relative; }
.menu-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 40;
  min-width: 220px;
  margin: 0;
  padding: var(--space-1);
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.menu-list[hidden] { display: none; }
.menu-list button {
  display: block;
  width: 100%;
  text-align: left;
  font: inherit;
  cursor: pointer;
  border: 0;
  background: transparent;
  color: var(--color-text);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}
.menu-list button:hover { background: var(--color-surface-2); }
.menu-list .menu-desc { display: block; color: var(--color-muted); font-size: 0.75rem; }

/* A segmented toggle for switching Designer / Blocks views. */
.view-toggle { display: inline-flex; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; }
.view-toggle button {
  font: inherit; cursor: pointer; border: 0; background: transparent;
  color: var(--color-muted); padding: var(--space-2) var(--space-3);
}
.view-toggle button[aria-pressed="true"] { background: var(--color-accent); color: #fff; }

/* ------------------------------------------------------------------ */
/* Work area: palette · canvas · inspector                            */
/* ------------------------------------------------------------------ */
.app-main {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  min-height: 0; /* let children scroll instead of blowing out the grid */
}

.panel {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.panel:last-child { border-right: 0; border-left: 1px solid var(--color-border); }

.panel-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.panel-body { overflow: auto; padding: 0 var(--space-2) var(--space-3); flex: 1; min-height: 0; }

/* Palette items (draggable component sources) */
.palette-item {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  cursor: grab;
  user-select: none;
  /* Palette items are <button>s (keyboard-addable); reset the button look. */
  width: 100%; border: 0; background: transparent; color: inherit;
  font: inherit; text-align: left;
}
.palette-item:hover { background: var(--color-surface-2); }
.palette-item .icon { font-size: 1.1rem; }
.palette-category { font-size: 0.7rem; color: var(--color-muted); margin: var(--space-3) var(--space-2) var(--space-1); text-transform: uppercase; letter-spacing: 0.05em; }

/* ------------------------------------------------------------------ */
/* Canvas (center)                                                     */
/* ------------------------------------------------------------------ */
.workarea {
  position: relative;
  background: var(--color-bg);
  overflow: auto;
  display: grid;
  place-items: center;
  padding: var(--space-6);
}

/* Only one view is shown at a time; `hidden` attr toggles them. */
.view[hidden] { display: none; }

/* Phone frame for the designer preview. */
.phone-frame {
  width: 320px;
  height: 600px;
  background: #fff;
  color: #111;
  border-radius: 28px;
  border: 10px solid #0b1220;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}
.phone-screen { width: 100%; height: 100%; overflow: auto; }

/* Blockly mounts here and fills the work area. */
#blockly-div { position: absolute; inset: 0; }

/* Editor-only overlays on rendered components. These are NOT in components.css
   because they must never ship inside an exported app. */
.bw-selected { outline: 2px solid var(--color-accent) !important; outline-offset: 1px; }
.phone-screen [data-bw-id] { cursor: pointer; }
.bw-drop-active { box-shadow: inset 0 0 0 2px var(--color-accent-2); }
/* Give empty containers a visible drop target. */
[data-bw-slot]:empty::after {
  content: "Drop components here";
  display: block; color: #9aa4b2; font: 13px var(--font-ui);
  text-align: center; padding: var(--space-6) var(--space-2);
}

/* Component tree (right, top) */
.tree { list-style: none; margin: 0; padding: 0; }
.tree li { padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); cursor: pointer; }
.tree li[aria-selected="true"] { background: var(--color-accent); color: #fff; }
.tree li:hover { background: var(--color-surface-2); }
.tree .depth-1 { padding-left: var(--space-4); }
.tree .depth-2 { padding-left: var(--space-6); }

/* Properties inspector */
.inspector-head { padding: var(--space-2); display: flex; align-items: center; gap: var(--space-2); }
.inspector-head .name { font-weight: 600; }
.inspector-head .name-input {
  font: inherit; font-weight: 600; flex: 1 1 auto; min-width: 4ch;
  background: transparent; color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 2px 6px;
}
.inspector-head .name-input:focus { border-color: var(--color-accent); background: var(--color-bg); }
.inspector-head .type { color: var(--color-muted); font-size: 0.8rem; }
.inspector-head .btn { margin-left: auto; padding: var(--space-1) var(--space-2); }
.inspector-empty { padding: var(--space-3) var(--space-2); color: var(--color-muted); }
.inspector-help { padding: 0 var(--space-2) var(--space-2); color: var(--color-muted); font-size: 0.78rem; }

/* Properties inspector rows */
.prop-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); align-items: center; padding: var(--space-1) var(--space-2); }
.prop-row label { color: var(--color-muted); font-size: 0.8rem; }
.prop-row input, .prop-row select {
  font: inherit; width: 100%;
  background: var(--color-bg); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
}
.prop-row input[type="color"] { padding: 0; height: 28px; }

/* ------------------------------------------------------------------ */
/* Dev console (bottom)                                                */
/* ------------------------------------------------------------------ */
.console {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  max-height: 30vh;
  display: flex;
  flex-direction: column;
}
.console-header {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--color-muted);
}
.console-header .badge {
  margin-left: auto; background: var(--color-surface-2);
  border-radius: 999px; padding: 0 var(--space-2); font-size: 0.7rem;
}
.console-log {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow: auto;
  padding: var(--space-2) var(--space-3);
  margin: 0;
}
.console[data-collapsed="true"] .console-log { display: none; }
.log-line { white-space: pre-wrap; }
.log-line.error { color: var(--color-danger-hover); }
.log-line.warn { color: #fbbf24; }
.log-line .time { color: var(--color-muted); margin-right: var(--space-2); }

/* ------------------------------------------------------------------ */
/* Preview modal                                                       */
/* ------------------------------------------------------------------ */
.preview-overlay {
  position: fixed; inset: 0;
  background: rgb(0 0 0 / 0.6);
  display: grid; place-items: center;
  z-index: 50;
}
.preview-overlay[hidden] { display: none; }
.preview-card { background: var(--color-surface); border-radius: var(--radius); padding: var(--space-4); box-shadow: var(--shadow); }
.preview-card header { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); }
.preview-card header h2 { margin: 0; font-size: 1rem; }
.preview-card .close { margin-left: auto; }
.preview-frame {
  width: 320px; height: 600px;
  border: 10px solid #0b1220; border-radius: 28px;
  background: #fff;
}

/* Amber heads-up shown when the project uses network/sensor components that
   can't run in the sandboxed preview (they work in the exported app). */
.preview-note {
  max-width: 340px;
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: rgb(180 83 9 / 0.18);
  border: 1px solid #b45309;
  border-radius: var(--radius-sm);
  color: #fbbf24;
  font-size: 0.78rem;
  line-height: 1.4;
}
.preview-note[hidden] { display: none; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}