/* LSL Editor - lsl.fixedbit.com
   Theme system matches lindenhomebot: data-theme attribute + CSS variables */

/* ─── Theme: Dark (default) ─── */
:root, [data-theme="dark"] {
  --bg: #121212;
  --bg-surface: #1e1e1e;
  --bg-card: #252525;
  --bg-card-hover: #2c2c2c;
  --bg-input: #1e1e1e;
  --border: #333;
  --border-light: #2a2a2a;
  --text: #e0e0e0;
  --text-secondary: #9e9e9e;
  --text-muted: #666;
  --accent: #4ae168;
  --accent-hover: #5bf07a;
  --accent-subtle: rgba(74,225,104,0.1);
  --link: #58a6ff;
  --error: #f44747;
  --error-subtle: rgba(244,71,71,0.1);
  --warning: #d29922;
  --warning-subtle: rgba(210,153,34,0.1);
  --success: #4ae168;
  --header-bg: #1e1e1e;
  --header-border: #333;
  --shadow: 0 2px 8px rgba(0,0,0,0.6);
  --card-shadow: 0 1px 4px rgba(0,0,0,0.5);
  --toolbar-bg: #1e1e1e;
  --sidebar-bg: #181818;
  --panel-bg: #181818;
  --monaco-theme: lsl-dark;
}

/* ─── Theme: Light ─── */
[data-theme="light"] {
  --bg: #fafafa;
  --bg-surface: #fff;
  --bg-card: #fff;
  --bg-card-hover: #f5f5f5;
  --bg-input: #fff;
  --border: #e0e0e0;
  --border-light: #eee;
  --text: #1a1a1a;
  --text-secondary: #6b6b6b;
  --text-muted: #9e9e9e;
  --accent: #1a7f37;
  --accent-hover: #218c3d;
  --accent-subtle: rgba(26,127,55,0.06);
  --link: #0969da;
  --error: #cf222e;
  --error-subtle: rgba(207,34,46,0.06);
  --warning: #9a6700;
  --warning-subtle: rgba(154,103,0,0.06);
  --success: #1a7f37;
  --header-bg: #fff;
  --header-border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --toolbar-bg: #f0f0f0;
  --sidebar-bg: #f3f3f3;
  --panel-bg: #f3f3f3;
  --monaco-theme: lsl-light;
}

/* ─── Base ─── */
* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ─── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ─── Toolbar ─── */
#toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 42px;
  padding: 0 12px;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--header-border);
  gap: 12px;
  flex-shrink: 0;
}

.toolbar-left, .toolbar-center, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  font-weight: 700;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.3px;
}

.filename {
  color: var(--text);
  font-size: 12px;
  opacity: 0.8;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status {
  font-size: 11px;
  color: var(--text-muted);
}

.badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.badge-free { background: var(--accent-subtle); color: var(--accent); border: 1px solid var(--accent); }
.badge-demo { background: var(--warning-subtle); color: var(--warning); border: 1px solid var(--warning); }

/* ─── Buttons ─── */
button, .btn {
  padding: 5px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
button:hover { background: var(--bg-card-hover); border-color: var(--text-muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--accent-hover); }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, color 0.2s;
  padding: 0;
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ─── Toggle switch ─── */
.toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
}
.toggle input { display: none; }
.toggle .switch {
  width: 28px; height: 16px;
  background: var(--border);
  border-radius: 8px;
  position: relative;
  transition: background 0.2s;
}
.toggle .switch::after {
  content: '';
  width: 12px; height: 12px;
  background: var(--text-secondary);
  border-radius: 50%;
  position: absolute;
  top: 2px; left: 2px;
  transition: transform 0.2s, background 0.2s;
}
.toggle input:checked + .switch { background: var(--accent); }
.toggle input:checked + .switch::after { transform: translateX(12px); background: #fff; }
.toggle input:checked ~ span { color: var(--accent); }

/* ─── Main content ─── */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Sidebar ─── */
#sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: background 0.2s;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.sidebar-header button { padding: 2px 8px; font-size: 14px; line-height: 1; }

#file-tree {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.file-item {
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.1s;
}
.file-item:hover { background: var(--bg-card-hover); }
.file-item.active { background: var(--accent-subtle); color: var(--accent); font-weight: 500; }
.file-icon { opacity: 0.5; font-size: 11px; }

/* Storage bar */
.storage-bar {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}
.storage-meter {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-top: 4px;
  overflow: hidden;
}
.storage-meter-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s;
}
.storage-meter-fill.warn { background: var(--warning); }
.storage-meter-fill.full { background: var(--error); }

/* ─── Editor ─── */
#editor-container { flex: 1; overflow: hidden; }
#editor { width: 100%; height: 100%; }

/* ─── Error Panel ─── */
#error-panel {
  border-top: 1px solid var(--border);
  background: var(--panel-bg);
  flex-shrink: 0;
  transition: background 0.2s;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  background: var(--toolbar-bg);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}
.panel-header:hover { background: var(--bg-card-hover); }

#error-count { display: flex; align-items: center; gap: 8px; }

.panel-body {
  max-height: 150px;
  overflow-y: auto;
  font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 12px;
}
.panel-body.collapsed { max-height: 0; overflow: hidden; }

.error-item {
  padding: 4px 12px;
  cursor: pointer;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-light);
  transition: background 0.1s;
}
.error-item:hover { background: var(--bg-card-hover); }

.error-severity { flex-shrink: 0; width: 48px; font-weight: 600; }
.error-severity.error { color: var(--error); }
.error-severity.warning { color: var(--warning); }

.error-location { color: var(--link); flex-shrink: 0; min-width: 55px; }
.error-message { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Demo banner ─── */
.demo-banner {
  background: var(--warning-subtle);
  border-bottom: 1px solid var(--warning);
  padding: 6px 16px;
  font-size: 12px;
  color: var(--warning);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.demo-banner a { color: var(--accent); font-weight: 600; }
.demo-banner .close-banner {
  background: none; border: none; color: var(--warning); cursor: pointer;
  font-size: 16px; padding: 0 4px; opacity: 0.7;
}
.demo-banner .close-banner:hover { opacity: 1; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Utility ─── */
.hidden { display: none !important; }
.flex-1 { flex: 1; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
  #sidebar { display: none; }
  .toolbar-center { display: none; }
}