@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500;600&display=swap');

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

:root {
  --bg: #090d16;
  --bg2: #111625;
  --bg3: #1b2032;
  --bg-input: #151a2a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(99, 102, 241, 0.3);
  --border-focus: rgba(99, 102, 241, 0.5);
  --accent: #6366f1; /* Indigo */
  --accent2: #818cf8;
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  --accent-glow: rgba(99, 102, 241, 0.25);
  --text: #f3f4f6; /* Off-white */
  --text2: #9ca3af; /* Muted gray */
  --text-muted: #6b7280;
  --green: #10b981; /* Emerald */
  --red: #ef4444; /* Rose */
  --orange: #f59e0b; /* Amber */
  --font-mono: 'Fira Code', monospace;
  --font-ui: 'Outfit', 'Inter', sans-serif;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body { 
  background: var(--bg); 
  color: var(--text); 
  font-family: var(--font-ui); 
  height: 100vh; 
  height: 100dvh; 
  overflow: hidden; 
  background-image: radial-gradient(circle at 50% -20%, rgba(99, 102, 241, 0.15), transparent 60%);
}

#root { height: 100vh; height: 100dvh; display: flex; flex-direction: column; }

/* ── App Bar ── */
.app-bar {
  height: 60px; 
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  background: rgba(17, 22, 37, 0.7); 
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px; 
  flex-shrink: 0; 
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.app-bar-title { 
  font-size: 20px; 
  font-weight: 700; 
  color: #fff; 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  letter-spacing: -0.5px;
}
.app-bar-title span.logo { 
  color: var(--accent2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 4px var(--accent-glow));
}
.app-bar-actions { display: flex; gap: 10px; align-items: center; }

/* ── Buttons ── */
.btn {
  border: 1px solid transparent; 
  cursor: pointer; 
  font-family: var(--font-ui); 
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-sm); 
  padding: 8px 16px; 
  transition: var(--transition); 
  display: inline-flex; 
  align-items: center; 
  gap: 8px;
  box-shadow: var(--shadow-sm);
}
.btn:active {
  transform: scale(0.97);
}
.btn-icon { 
  background: rgba(255, 255, 255, 0.03); 
  color: var(--text2); 
  border: 1px solid var(--border);
  border-radius: 50%; 
  width: 40px; 
  height: 40px; 
  padding: 0; 
  justify-content: center; 
  font-size: 16px; 
  box-shadow: none;
}
.btn-icon:hover { 
  background: rgba(255, 255, 255, 0.08); 
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.btn-primary { 
  background: var(--accent-gradient); 
  color: #fff; 
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-primary:hover { 
  box-shadow: 0 0 15px var(--accent-glow);
  filter: brightness(1.1);
}
.btn-secondary { 
  background: var(--bg3); 
  color: var(--text); 
  border: 1px solid var(--border);
}
.btn-secondary:hover { 
  background: rgba(255, 255, 255, 0.06); 
  border-color: rgba(255, 255, 255, 0.15); 
  color: #fff;
}
.btn-success { 
  background: linear-gradient(135deg, var(--green) 0%, #059669 100%); 
  color: #fff; 
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-success:hover { 
  filter: brightness(1.1);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.25);
}
.btn-danger { 
  background: linear-gradient(135deg, var(--red) 0%, #dc2626 100%); 
  color: #fff; 
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-danger:hover { 
  filter: brightness(1.1);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.25);
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* ── Home Screen ── */
.home { 
  display: flex; 
  flex-direction: column; 
  height: calc(100vh - 60px); 
  height: calc(100dvh - 60px); 
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}
.home-empty { 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
  justify-content: center; 
  flex: 1; 
  gap: 20px; 
  color: var(--text2); 
  border: 2px dashed rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.01);
  margin: 20px 0;
}
.home-empty .icon { 
  font-size: 72px; 
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.home-empty p {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.2px;
}
.projects-list { 
  flex: 1; 
  overflow-y: auto; 
  padding: 10px 2px; 
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.project-card {
  display: flex; 
  align-items: center; 
  gap: 16px; 
  padding: 16px 20px;
  border-radius: var(--radius); 
  cursor: pointer; 
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
}
.project-card:hover { 
  background: rgba(255, 255, 255, 0.04); 
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 1px var(--accent);
}
.project-icon { 
  width: 44px; 
  height: 44px; 
  border-radius: var(--radius); 
  background: rgba(99, 102, 241, 0.1); 
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 20px; 
  transition: var(--transition);
}
.project-icon .lang-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}
.project-card:hover .project-icon {
  background: rgba(99, 102, 241, 0.2);
  transform: scale(1.05);
}
.project-info { flex: 1; min-width: 0; }
.project-name { font-weight: 600; font-size: 16px; color: #fff; letter-spacing: -0.2px; }
.project-path { font-size: 12px; color: var(--text2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 3px; font-family: var(--font-mono); opacity: 0.8; }
.lang-badge {
  font-size: 11px; 
  font-weight: 700; 
  padding: 4px 10px; 
  border-radius: 6px;
  border: 1px solid; 
  text-transform: uppercase; 
  letter-spacing: .5px;
  box-shadow: var(--shadow-sm);
}
.project-card .btn-icon {
  opacity: 0.3;
  transform: scale(0.9);
}
.project-card:hover .btn-icon {
  opacity: 0.8;
  transform: scale(1);
}
.fab {
  position: fixed; 
  bottom: 32px; 
  right: 32px; 
  width: 60px; 
  height: 60px; 
  border-radius: 50%;
  background: var(--accent-gradient); 
  color: #fff; 
  font-size: 32px; 
  border: 1px solid rgba(255, 255, 255, 0.15); 
  cursor: pointer;
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4); 
  transition: var(--transition); 
  display: flex; 
  align-items: center; 
  justify-content: center;
}
.fab:hover { 
  transform: scale(1.1) rotate(90deg); 
  box-shadow: 0 12px 36px rgba(99, 102, 241, 0.6); 
  filter: brightness(1.1);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed; 
  inset: 0; 
  background: rgba(4, 7, 15, 0.8); 
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex; 
  align-items: center; 
  justify-content: center; 
  padding: 20px;
  animation: fadeIn 0.2s ease-out;
}
.modal {
  background: var(--bg2); 
  border: 1px solid var(--border); 
  border-radius: var(--radius-lg);
  width: 100%; 
  max-width: 480px; 
  max-height: 90vh; 
  overflow: hidden; 
  display: flex; 
  flex-direction: column;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.05);
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-header { 
  padding: 24px 28px 0; 
  font-size: 20px; 
  font-weight: 700; 
  color: #fff; 
  letter-spacing: -0.3px;
}
.modal-body { padding: 24px 28px; flex: 1; overflow-y: auto; }
.modal-footer { 
  padding: 18px 28px; 
  display: flex; 
  justify-content: flex-end; 
  gap: 12px; 
  border-top: 1px solid var(--border); 
  background: rgba(0,0,0,0.15);
}

.input-group { margin-bottom: 20px; }
.input-group label { 
  display: block; 
  font-size: 11px; 
  font-weight: 700; 
  color: var(--text2); 
  margin-bottom: 8px; 
  text-transform: uppercase; 
  letter-spacing: 0.8px; 
}
.input {
  width: 100%; 
  background: var(--bg-input); 
  border: 1px solid var(--border); 
  border-radius: var(--radius-sm);
  color: var(--text); 
  font-family: var(--font-ui); 
  font-size: 14px; 
  padding: 12px 14px; 
  outline: none; 
  transition: var(--transition);
}
.input:hover {
  border-color: var(--border-hover);
}
.input:focus { 
  border-color: var(--accent); 
  box-shadow: 0 0 0 4px var(--accent-glow);
  background: var(--bg3);
}

/* Tabs */
.tabs { 
  display: flex; 
  background: var(--bg-input);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 20px; 
}
.tab-btn {
  flex: 1;
  padding: 8px 12px; 
  background: none; 
  border: none; 
  color: var(--text2); 
  cursor: pointer;
  font-family: var(--font-ui); 
  font-size: 13px; 
  font-weight: 600; 
  border-radius: 4px;
  transition: var(--transition);
}
.tab-btn:hover {
  color: #fff;
}
.tab-btn.active { 
  color: #fff; 
  background: var(--bg3);
  box-shadow: var(--shadow-sm);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.lang-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.lang-item {
  padding: 12px 8px; 
  border-radius: var(--radius-sm); 
  border: 1px solid var(--border);
  cursor: pointer; 
  text-align: center; 
  font-size: 13px; 
  font-weight: 500;
  color: var(--text2); 
  background: rgba(255, 255, 255, 0.01); 
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.lang-item:hover { 
  border-color: var(--border-hover); 
  color: var(--text); 
  background: rgba(255,255,255,0.04);
  transform: translateY(-1px);
}
.lang-item.selected { 
  border-color: var(--accent); 
  color: #fff; 
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(79, 70, 229, 0.2) 100%);
  font-weight: 700; 
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15), inset 0 0 0 1px rgba(99, 102, 241, 0.4);
  transform: scale(1.02);
}

.fw-panel-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.fw-item {
  display: flex; 
  align-items: center; 
  gap: 14px; 
  padding: 12px 16px; 
  border-radius: var(--radius-sm);
  cursor: pointer; 
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1); 
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.01);
}
.fw-item:hover { 
  background: rgba(255, 255, 255, 0.04); 
  border-color: var(--border-hover);
  transform: translateY(-1px);
}
.fw-item.selected { 
  border-color: var(--accent); 
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(79, 70, 229, 0.15) 100%); 
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15), inset 0 0 0 1px rgba(99, 102, 241, 0.3);
  transform: scale(1.01);
}
.fw-item-name { font-size: 14px; font-weight: 600; color: #fff; }
.fw-item-desc { font-size: 11px; color: var(--text2); margin-top: 2px; }

/* ── Editor View ── */
.editor-page-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg);
}

.editor-layout { 
  display: flex; 
  height: calc(100vh - 60px); 
  height: calc(100dvh - 60px); 
  width: 100%;
  overflow: hidden; 
  flex: 1; 
}
.file-tree-panel { 
  width: 240px; 
  border-right: 1px solid var(--border); 
  background: var(--bg2); 
  display: flex; 
  flex-direction: column; 
  flex-shrink: 0; 
  overflow: hidden; 
}
.sidebar-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border);
  height: 40px;
  flex-shrink: 0;
}
.sidebar-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-tab:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.sidebar-tab.active {
  color: #fff;
  border-bottom-color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
}
.file-tree-header { 
  padding: 14px 18px; 
  font-size: 11px; 
  font-weight: 700; 
  color: var(--accent2); 
  text-transform: uppercase; 
  letter-spacing: 1.5px; 
  border-bottom: 1px solid var(--border); 
}
.file-item {
  display: flex; 
  align-items: center; 
  gap: 10px; 
  padding: 8px 18px; 
  cursor: pointer; 
  font-size: 13px;
  color: var(--text2); 
  transition: var(--transition); 
  font-family: var(--font-mono);
}
.file-item:hover { 
  background: rgba(255, 255, 255, 0.03); 
  color: var(--text); 
}
.file-item.active { 
  background: rgba(99, 102, 241, 0.15); 
  color: #fff; 
  border-left: 3px solid var(--accent);
  padding-left: 15px;
}
.file-item.selected {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}
.dir-item { 
  color: var(--accent2); 
  font-weight: 600; 
}

.editor-main { 
  flex: 1; 
  display: flex; 
  flex-direction: column; 
  overflow: hidden; 
  background: var(--bg); 
  min-width: 0; 
}

/* ── Editor Footer ── */
.editor-footer {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
  z-index: 10;
  height: 44px;
  width: 100%;
  white-space: nowrap;
}
.editor-footer::-webkit-scrollbar { display: none; }

.btn-footer {
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-footer:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-color: rgba(255,255,255,0.15);
}
.btn-footer:active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Editor AppBar ── */
.editor-bar {
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  background: var(--bg2); 
  border-bottom: 1px solid var(--border); 
  padding: 0 20px; 
  height: 50px; 
  flex-shrink: 0;
}
.editor-bar-left { display: flex; align-items: center; gap: 12px; }
.editor-bar-right { display: flex; align-items: center; gap: 10px; }
.project-title { font-weight: 700; font-size: 16px; color: #fff; letter-spacing: -0.2px; }

/* ── Editor Tabs ── */
.editor-tabs { 
  display: flex; 
  background: var(--bg); 
  border-bottom: 1px solid var(--border); 
  overflow-x: auto; 
  flex-shrink: 0; 
}
.editor-tabs::-webkit-scrollbar { height: 4px; }
.editor-tabs::-webkit-scrollbar-thumb { background: var(--bg3); }
.editor-tab {
  display: flex; 
  align-items: center; 
  gap: 8px; 
  padding: 0 20px; 
  height: 40px; 
  cursor: pointer;
  border-right: 1px solid var(--border); 
  font-size: 12px; 
  font-family: var(--font-mono);
  color: var(--text2); 
  white-space: nowrap; 
  transition: var(--transition); 
  flex-shrink: 0;
  border-bottom: 2px solid transparent;
}
.editor-tab:hover { 
  background: rgba(255,255,255,.02); 
  color: var(--text);
}
.editor-tab.active { 
  background: var(--bg2); 
  color: #fff; 
  border-bottom-color: var(--accent); 
}
.editor-tab.dirty::before { content: '●'; color: var(--orange); margin-right: 4px; font-size: 10px; }
.tab-close { opacity: 0; font-size: 14px; line-height: 1; padding: 2px; border-radius: 4px; transition: var(--transition); }
.editor-tab:hover .tab-close { opacity: 0.6; }
.tab-close:hover { background: rgba(255,255,255,.1); opacity: 1 !important; color: var(--red); }

/* ── Code Editor ── */
.code-area {
  flex: 1; 
  display: flex; 
  overflow: hidden; 
  background: var(--bg);
  font-family: var(--font-mono); 
  font-size: 14px; 
  position: relative;
}
.code-container {
  flex: 1; 
  display: grid; 
  overflow: hidden; 
  background: var(--bg);
  position: relative;
  --gutter-width: 54px;
  --line-padding: 16px;
  --text-padding-left: calc(var(--gutter-width) + var(--line-padding));
}

@media (max-width: 768px) {
  .code-container {
    --gutter-width: 40px;
    --line-padding: 8px;
  }
}

.code-container.hide-line-numbers {
  --gutter-width: 0px;
}

.code-layer {
  grid-area: 1 / 1;
  margin: 0; 
  border: none;
  font-family: var(--font-mono); 
  font-size: inherit; 
  line-height: 1.6;
  white-space: inherit; 
  tab-size: inherit; 
  min-width: 100%; 
  min-height: 100%;
}

.code-highlight {
  pointer-events: none; 
  color: var(--text); 
  z-index: 1;
  padding: 12px 0px !important;
  display: flex;
  flex-direction: column;
  will-change: transform;
  overflow: hidden;
}

.code-highlight pre { 
  margin: 0; 
  background: transparent !important; 
  padding: 0 !important; 
  font-family: inherit; 
  font-size: inherit; 
  line-height: inherit; 
  white-space: inherit; 
  tab-size: inherit; 
}

.code-editor {
  background: transparent; 
  color: transparent; 
  caret-color: #fff;
  outline: none; 
  resize: none; 
  z-index: 2; 
  overflow: auto;
  padding-top: 12px !important;
  padding-bottom: 12px !important;
  padding-left: var(--text-padding-left) !important;
  padding-right: var(--line-padding) !important;
}

.code-editor::selection { background: rgba(99, 102, 241, 0.35); color: transparent; }

/* ── Inline Gutter Line Layout ── */
.editor-line {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  width: 100%;
}

.line-number-gutter {
  width: var(--gutter-width);
  background: rgba(0,0,0,0.1); 
  border-right: 1px solid var(--border); 
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  padding-right: 10px;
  flex-shrink: 0;
  user-select: none;
  box-sizing: border-box;
}

.line-content {
  flex: 1;
  min-width: 0;
  padding-left: var(--line-padding);
  padding-right: var(--line-padding);
  white-space: inherit;
  word-wrap: break-word;
  box-sizing: border-box;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* ── Bottom Panel ── */
.bottom-panel { 
  height: 240px; 
  display: flex; 
  flex-direction: column; 
  border-top: 1px solid var(--border); 
  flex-shrink: 0; 
}
.bottom-tabs { 
  display: flex; 
  background: var(--bg2); 
  height: 36px; 
  flex-shrink: 0; 
  border-bottom: 1px solid var(--border);
}
.bottom-tab {
  padding: 0 20px; 
  font-size: 11px; 
  font-weight: 700; 
  letter-spacing: .8px; 
  text-transform: uppercase;
  cursor: pointer; 
  border: none; 
  background: transparent; 
  color: var(--text2); 
  border-bottom: 2px solid transparent; 
  transition: var(--transition);
}
.bottom-tab:hover {
  color: #fff;
}
.bottom-tab.active { 
  color: #fff; 
  border-bottom-color: var(--accent); 
  background: rgba(255,255,255,0.01);
}
.terminal {
  flex: 1; 
  background: #07090e; 
  color: #a7f3d0; 
  font-family: var(--font-mono); 
  font-size: 13px;
  padding: 14px 18px; 
  overflow-y: auto; 
  white-space: pre-wrap; 
  word-break: break-all; 
  line-height: 1.6;
}
.terminal.error { color: #fca5a5; }
.preview-frame { flex: 1; border: none; background: #fff; }

/* ── Settings ── */
.settings { 
  padding: 32px 24px; 
  max-width: 680px; 
  margin: 0 auto;
  overflow-y: auto; 
  height: calc(100vh - 60px); 
  height: calc(100dvh - 60px); 
}
.settings-section { margin-bottom: 40px; }
.settings-section-title { 
  font-size: 12px; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: 1.5px; 
  color: var(--accent2); 
  margin-bottom: 20px; 
}
.setting-row { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: 18px 0; 
  border-bottom: 1px solid var(--border); 
}
.setting-label { font-size: 15px; font-weight: 600; color: #fff; }
.setting-desc { font-size: 13px; color: var(--text2); margin-top: 4px; }
.toggle { position: relative; width: 48px; height: 26px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: var(--bg3); border-radius: 100px; cursor: pointer; transition: var(--transition);
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: ''; position: absolute; width: 18px; height: 18px; left: 3px; bottom: 3px;
  background: #fff; border-radius: 50%; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.toggle input:checked + .toggle-slider { 
  background: var(--accent-gradient); 
  border-color: transparent;
}
.toggle input:checked + .toggle-slider::before { transform: translateX(22px); }
.slider-control { display: flex; align-items: center; gap: 16px; }
.range-input { accent-color: var(--accent); width: 140px; height: 6px; border-radius: 10px; }
select.input { width: auto; min-width: 160px; }

/* ── Search / Replace ── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.file-search-input-wrap,
.search-panel-input {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--text2);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 10px;
}
.file-search-input-wrap:focus-within,
.search-panel-input:focus-within {
  border-color: var(--border-focus);
  color: var(--text);
}
.file-search-input-wrap .input,
.search-panel-input .input {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  padding: 8px 0;
  border: none;
  background: transparent;
}
.file-search-count {
  flex-shrink: 0;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  min-width: 42px;
  text-align: right;
}
.file-search-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.file-search-actions .btn-icon {
  width: 32px;
  height: 32px;
}
.search-replace-panel {
  overflow: hidden;
}
.search-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}
.search-panel-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 1.4px;
}
.search-panel-subtitle {
  color: var(--text2);
  font-size: 11px;
  margin-top: 3px;
}
.search-panel-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}
.replace-all-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  flex-shrink: 0;
}
.replace-all-btn:hover {
  color: #fff;
  border-color: var(--border-hover);
  background: rgba(99,102,241,0.16);
}
.search-panel-empty {
  color: var(--text2);
  font-size: 12px;
  padding: 16px 14px;
  line-height: 1.5;
}
.search-panel-results {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px;
}
.search-panel-count {
  color: var(--text2);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.7px;
  text-transform: uppercase;
  padding: 4px 6px 6px;
}
.search-panel-result {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  padding: 8px;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-ui);
}
.search-panel-result:hover {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}
.search-panel-file {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  font-size: 12px;
  font-weight: 600;
}
.search-panel-file img {
  width: 14px;
  height: 14px;
  object-fit: contain;
  flex-shrink: 0;
}
.search-panel-file span:not(.search-panel-location) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.search-panel-location {
  color: var(--accent2);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.search-panel-line {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ── Snackbar ── */
.snackbar {
  position: fixed; 
  bottom: 88px; 
  left: 50%; 
  transform: translateX(-50%) translateY(20px);
  background: var(--bg3); 
  color: #fff; 
  padding: 12px 24px; 
  border-radius: var(--radius); 
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.05); 
  opacity: 0; 
  transition: var(--transition); 
  z-index: 9999;
  border-left: 4px solid var(--accent); 
  pointer-events: none;
}
.snackbar.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Scrollbars ── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 100px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Spinner ── */
.spinner { 
  width: 16px; 
  height: 16px; 
  border: 2px solid rgba(255,255,255,.2); 
  border-top-color: var(--accent2); 
  border-radius: 50%; 
  animation: spin .6s linear infinite; 
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ── */
@media (max-width: 700px) {
  .lang-grid { grid-template-columns: repeat(2, 1fr); }
  .home { padding: 16px; }
  .search-bar {
    align-items: stretch;
    gap: 8px;
  }
  .file-search-actions {
    gap: 4px;
  }
  .file-search-actions .btn-icon {
    width: 30px;
    height: 30px;
  }
}

/* Floating Suggestions */
.suggestions-floating {
    position: absolute;
    background: rgba(17, 22, 37, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 260px;
    overflow-y: auto;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    padding: 4px;
}

.suggestion-item {
    padding: 6px 12px;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text2);
    border: none;
    background: transparent;
    text-align: left;
    width: 100%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    overflow: hidden;
    border-radius: 4px;
}

.suggestion-item > * {
    pointer-events: none;
}

.suggestion-item:hover, .suggestion-item.selected {
    background: var(--accent);
    color: white;
}

.suggestion-kind {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.9;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-right: 4px;
}

.suggestion-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.suggestion-detail {
    opacity: 0.6;
    font-size: 11px;
    margin-left: 10px;
    font-style: normal;
    font-family: var(--font-ui);
}

.suggestion-docs {
    position: absolute;
    left: 100%;
    top: 0;
    width: 320px;
    max-height: 260px;
    background: rgba(27, 32, 50, 0.98);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 14px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--text);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    white-space: pre-wrap;
}

#cursor-mirror {
    position: absolute;
    visibility: hidden;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    padding: 12px;
    top: 0;
    left: 0;
    pointer-events: none;
}

.code-container {
    position: relative;
}

/* ── Mobile Layout & File Explorer Actions ── */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  top: 60px;
  background: rgba(4, 7, 15, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  animation: fadeIn 0.2s ease-out;
}

.btn-menu {
  display: none !important;
}

.file-item-actions {
  display: flex;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: auto;
}
.file-item:hover .file-item-actions {
  opacity: 1;
}

.btn-tree-action-header {
  padding: 4px;
  opacity: 0.6;
  transition: opacity 0.2s ease;
  color: var(--text2);
}
.btn-tree-action-header:hover {
  opacity: 1;
  transform: scale(1.15);
  color: var(--text);
}

.btn-tree-action {
  transition: transform 0.15s ease, opacity 0.15s ease;
  color: var(--text2);
}
.btn-tree-action:hover {
  opacity: 1 !important;
  transform: scale(1.2);
  color: var(--text);
}

@media (max-width: 768px) {
  .btn-menu {
    display: inline-flex !important;
  }
  
  .file-tree-panel {
    position: fixed;
    top: 60px;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 999;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.5);
    border-right: 1px solid var(--border);
  }
  
  .file-tree-panel.open {
    transform: translateX(0);
  }

  .file-item-actions {
    opacity: 0.8;
  }
  
  .editor-layout {
    position: relative;
  }

  /* Suggestions Overlay */
  .suggestions-floating {
    min-width: 240px;
    max-width: calc(100vw - 32px);
  }
  .suggestion-docs {
    display: none !important;
  }

  /* Tab Close Button Visibility */
  .tab-close {
    opacity: 0.6;
  }

  /* Project List Delete Button and spacing */
  .project-card {
    padding: 12px 14px;
    gap: 12px;
  }
  .project-card .btn-icon {
    opacity: 0.8;
    transform: scale(1);
  }

  /* Compact line numbers and container for code space on mobile */
  .line-numbers {
    width: 40px !important;
    padding: 12px 4px !important;
  }
  .code-layer {
    padding: 12px 8px !important;
  }

  /* Bottom Panel height */
  .bottom-panel {
    height: 180px !important;
  }
}

/* Extra small mobile styles */
@media (max-width: 480px) {
  .app-bar {
    padding: 0 12px;
  }
  .app-bar-title {
    font-size: 16px;
  }
  .home {
    padding: 12px;
  }
  .settings {
    padding: 16px 12px;
  }
  .setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 0;
  }
  .setting-row:has(.toggle) {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .setting-row > div {
    width: 100%;
  }
  .setting-row:has(.toggle) > div {
    width: auto;
  }
  .slider-control, select.input, .setting-row input[type="url"] {
    width: 100% !important;
    min-width: 0 !important;
  }
  .modal-overlay {
    padding: 10px;
  }
  .modal {
    max-height: 95vh;
    max-height: 95dvh;
  }
  .modal-header {
    padding: 16px 18px 0;
    font-size: 18px;
  }
  .modal-body {
    padding: 16px 18px;
  }
  .modal-footer {
    padding: 12px 18px;
  }
}

/* ── Problems Tab & List Styles ── */
.bottom-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.problem-badge {
  background: var(--accent);
  color: white;
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 9px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
}
.problems-container {
  flex: 1;
  background: #090c15;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 13px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.problems-container.empty {
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 14px;
  font-style: italic;
}
.problem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: background 0.15s ease;
}
.problem-item:hover {
  background: rgba(255, 255, 255, 0.02);
}
.problem-item.error {
  border-left: 3px solid #ef4444;
}
.problem-item.warning {
  border-left: 3px solid #f59e0b;
}
.problem-item.info {
  border-left: 3px solid #3b82f6;
}
.problem-item.hint {
  border-left: 3px solid #10b981;
}
.problem-icon {
  font-size: 12px;
  display: flex;
  align-items: center;
}
.problem-message {
  flex: 1;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.problem-source {
  color: var(--accent2);
  font-size: 11px;
  font-weight: 600;
  opacity: 0.8;
}
.problem-location {
  color: var(--text2);
  font-size: 11px;
  font-family: var(--font-mono);
}

.problem-wrapper {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}
.problem-wrapper .problem-item {
  border-bottom: none;
}
.problem-expansion {
  background: rgba(0, 0, 0, 0.2);
  padding: 10px 18px 16px 46px;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
  font-family: var(--font-ui);
}
.suggestion-loading {
  color: var(--text2);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.suggestions-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.suggestion-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 800px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  animation: slideIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.suggestion-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
.suggestion-card-icon {
  font-size: 14px;
}
.suggestion-card-title {
  font-weight: 600;
  color: #fff;
  font-size: 13px;
}
.suggestion-card-explanation {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.5;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* ── Line Number Gutter Diagnostic Markers ── */
.line-number-item {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  width: 100%;
  padding-right: 6px;
  position: relative;
}
.line-number-item.has-error {
  color: #ef4444 !important;
  font-weight: bold;
}
.line-number-item.has-warning {
  color: #f59e0b !important;
  font-weight: bold;
}
.gutter-error-icon {
  font-size: 8px;
  line-height: 1;
  opacity: 0.95;
}

/* ── Inline Quick Fix Popover ── */
.error-floating-popover {
  position: absolute;
  z-index: 1000;
  background: #141724;
  border: 1px solid rgba(239, 68, 68, 0.4);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border-radius: 6px;
  padding: 10px 14px;
  min-width: 280px;
  max-width: 420px;
  margin-top: 24px; /* Render just below current cursor line */
  animation: slideIn 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.error-floating-header {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 6px;
}
.error-floating-icon {
  font-size: 11px;
  margin-top: 2px;
}
.error-floating-title {
  color: #ef4444;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  word-break: break-word;
}
.error-floating-loading {
  font-size: 11px;
  color: var(--text2);
  padding: 4px 0;
}
.error-floating-suggestions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.error-floating-suggestion-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 11px;
  color: var(--text);
  transition: background 0.15s ease;
}
.error-floating-suggestion-item:hover {
  background: rgba(255, 255, 255, 0.05);
}
.error-floating-suggestion-item .suggestion-text {
  font-weight: 500;
}
.error-floating-no-fix {
  font-size: 11px;
  color: var(--text2);
  font-style: italic;
  padding: 4px 0;
}

/* ── Desktop/Mobile Preview Layout Styles ── */
.desktop-preview-panel {
  width: 45%;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  background: #07090e;
  height: 100%;
  flex-shrink: 0;
  z-index: 10;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  height: 36px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  flex-shrink: 0;
}

.preview-frame {
  flex: 1;
  border: none;
  background: #fff;
  width: 100%;
  height: 100%;
}

.mobile-preview-overlay {
  display: none;
}

/* Hide mobile toggle button on desktop */
@media (min-width: 769px) {
  .mobile-preview-toggle-btn {
    display: none !important;
  }
}

/* Style for mobile screens */
@media (max-width: 768px) {
  .desktop-preview-panel {
    display: none !important;
  }
  
  .mobile-preview-toggle-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
  }
  
  .mobile-preview-overlay.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: #000;
    z-index: 99999; /* Top layer above drawer/modals */
  }

  .mobile-preview-overlay .preview-header {
    height: 48px; /* Larger tap targets on mobile header */
    padding: 0 16px;
    background: #11131a;
  }
}

.preview-resize-gutter {
  width: 6px;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background 0.2s;
  z-index: 15;
}
.preview-resize-gutter:hover {
  background: var(--accent);
}

@media (max-width: 768px) {
  .preview-resize-gutter {
    display: none !important;
  }
}

body.dragging-preview iframe {
  pointer-events: none !important;
}

@media (max-width: 768px) {
  .btn-text {
    display: none !important;
  }
  .app-bar-actions {
    gap: 6px !important;
  }
  .app-bar-actions .btn {
    padding: 6px 8px !important;
    gap: 0 !important;
  }
}

@media (max-width: 480px) {
  .app-bar-title span:last-child {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* Destructive Warning Modal Custom Styles */
.modal-destructive {
  border: 1px solid rgba(239, 68, 68, 0.2) !important;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(239, 68, 68, 0.08) !important;
  background: linear-gradient(180deg, var(--bg2) 0%, rgba(17, 22, 37, 0.95) 100%) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.destructive-icon-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
  margin-bottom: 20px;
  animation: pulse-red 2s infinite;
  box-shadow: 0 0 15px rgba(239, 68, 68, 0.05);
}

@keyframes pulse-red {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    transform: scale(1.03);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    transform: scale(1);
  }
}

.modal-title-destructive {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.modal-desc-destructive {
  color: var(--text2);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 28px;
  padding: 0 12px;
}

.modal-desc-destructive strong {
  background: rgba(239, 68, 68, 0.15) !important;
  color: #fca5a5 !important;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  border: 1px solid rgba(239, 68, 68, 0.25) !important;
  font-family: var(--font-mono);
  font-size: 13px;
  display: inline-block;
}

.btn-cancel-destructive {
  background: rgba(255, 255, 255, 0.03) !important;
  color: var(--text2) !important;
  border: 1px solid var(--border) !important;
  padding: 12px 24px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all 0.2s ease !important;
  box-shadow: none !important;
  justify-content: center;
  flex: 1;
}

.btn-cancel-destructive:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.15) !important;
}

.btn-delete-destructive {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding: 12px 24px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all 0.2s ease !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2) !important;
  justify-content: center;
  flex: 1;
}

.btn-delete-destructive:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4), 0 0 0 1px #f87171 !important;
  transform: translateY(-1px) !important;
}

.btn-delete-destructive:active {
  transform: translateY(1px) !important;
}

/* ── Documentation Page ── */
.docs-page-root {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg2);
}

.docs-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.docs-sidebar {
  width: 280px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .docs-sidebar {
    display: none;
  }
}

.docs-sidebar-header {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.docs-sidebar-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.docs-sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--text2);
  font-size: 13px;
  transition: all 0.2s ease;
}

.docs-sidebar-item:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.docs-sidebar-item.active {
  background: rgba(14, 165, 233, 0.1);
  color: var(--accent);
  font-weight: 500;
}

.docs-content-container {
  flex: 1;
  overflow-y: auto;
  padding: 40px;
  background: var(--bg2);
  display: flex;
  justify-content: center;
}

@media (max-width: 768px) {
  .docs-content-container {
    padding: 20px 16px;
  }
}

.docs-markdown-body {
  max-width: 800px;
  width: 100%;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  font-size: 15px;
}

.docs-markdown-body h1 {
  font-size: 32px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-top: 0;
  margin-bottom: 24px;
  color: #fff;
}

.docs-markdown-body h2 {
  font-size: 24px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-top: 36px;
  margin-bottom: 16px;
  color: #fff;
}

.docs-markdown-body h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 12px;
  color: #fff;
}

.docs-markdown-body h4 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 8px;
  color: #fff;
}

.docs-markdown-body p {
  margin-top: 0;
  margin-bottom: 16px;
  color: var(--text2);
}

.docs-markdown-body ul, 
.docs-markdown-body ol {
  margin-top: 0;
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--text2);
}

.docs-markdown-body li {
  margin-bottom: 6px;
}

.docs-markdown-body code {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

.docs-markdown-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed rgba(14, 165, 233, 0.4);
  transition: border 0.2s ease;
}

.docs-markdown-body a:hover {
  border-bottom-style: solid;
}

/* ── Code Block Styling ── */
.md-code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 16px;
  margin-bottom: 24px;
  overflow: hidden;
}

.md-code-header {
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
}

.md-code-lang {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text3);
  letter-spacing: 0.5px;
}

.btn-copy-code {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text2);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.btn-copy-code:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border-color: var(--text3);
}

.md-code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
}

.md-code-block code {
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  color: #e2e8f0;
  font-size: 13px;
  line-height: 1.5;
}

/* ── Status View ── */
.docs-status-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text2);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Markdown Tables ── */
.docs-markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  margin-bottom: 24px;
  font-size: 14px;
}

.docs-markdown-body th,
.docs-markdown-body td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.docs-markdown-body th {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 600;
  color: #fff;
}

.docs-markdown-body tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.01);
}

.docs-markdown-body img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  vertical-align: middle;
}

.docs-markdown-body p img {
  margin: 4px 6px;
  display: inline-block;
}

/* ── More Options Dropdown Menu ── */
.more-menu-container {
  position: relative;
  display: inline-block;
}

.more-menu-dropdown {
  position: absolute;
  top: 48px;
  right: 0;
  background: rgba(17, 22, 37, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  padding: 6px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
  animation: dropdownFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.more-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text2);
  font-family: var(--font-ui);
  font-size: 13px;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all 0.15s ease;
}

.more-menu-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.more-menu-item svg {
  color: var(--accent);
}

.more-menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  z-index: 999;
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hide / Show responsive elements */
@media (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
}

/* Advanced Search Options styling */
.search-opt-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 4px;
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  min-width: 20px;
  user-select: none;
  transition: var(--transition);
}
.search-opt-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}
.search-opt-btn.active {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent2);
  border-color: rgba(99, 102, 241, 0.4);
}
.replace-all-btn.active {
  background: rgba(99, 102, 241, 0.2);
  color: var(--accent2);
  border-color: rgba(99, 102, 241, 0.4);
}

/* ── Hover Tooltip & Bottom Sheet ── */
.hover-floating {
  position: absolute;
  background: rgba(13, 17, 30, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg), 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 1010;
  max-width: 420px;
  min-width: 280px;
  padding: 14px 18px;
  font-size: 13px;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  pointer-events: auto;
  border-left: 4px solid var(--accent);
}

.hover-bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(13, 17, 30, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.6);
  z-index: 2000;
  max-height: 45vh;
  display: flex;
  flex-direction: column;
  padding: 16px 20px 24px;
  overflow-y: auto;
  pointer-events: auto;
  animation: hover-slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border-left: 4px solid var(--accent);
}

@keyframes hover-slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.hover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
  margin-bottom: 6px;
  flex-shrink: 0;
}

.hover-header-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent2);
}

.hover-close-btn {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hover-close-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hover-content {
  font-family: var(--font-ui);
  line-height: 1.6;
  overflow-y: auto;
  flex: 1;
}

.hover-content p {
  margin: 0 0 10px 0;
}

.hover-content p:last-child {
  margin-bottom: 0;
}

.hover-content code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
  color: var(--accent2);
}

.hover-content pre {
  margin: 10px 0;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  overflow-x: auto;
}

.hover-content pre code {
  background: transparent;
  padding: 0;
  font-size: 12px;
  color: var(--text);
}

.hover-content h1, .hover-content h2, .hover-content h3 {
  color: #fff;
  font-weight: 600;
  margin: 12px 0 6px 0;
  font-size: 14px;
}

.hover-content h1:first-child, .hover-content h2:first-child, .hover-content h3:first-child {
  margin-top: 0;
}

.hover-content ul, .hover-content ol {
  margin: 0 0 10px 18px;
  padding: 0;
}

.hover-content li {
  margin-bottom: 4px;
}

.hover-loading-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
}

.hover-error-wrap {
  color: var(--red);
  font-weight: 500;
}

/* ── Hover Footer & Action Buttons ── */
.hover-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
  margin-top: 8px;
  flex-shrink: 0;
}

.hover-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.hover-action-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.hover-action-btn .btn-icon {
  font-size: 12px;
}

/* ── Hover Code Highlighting Styles ── */
.hover-code-block {
  margin: 10px 0;
  border-radius: 6px;
  overflow: hidden;
}

.hover-code-block pre {
  margin: 0 !important;
  padding: 12px 14px !important;
  background: rgba(0, 0, 0, 0.4) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 6px !important;
  overflow-x: auto !important;
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  line-height: 1.5 !important;
}

.hover-code-block pre code {
  font-family: var(--font-mono) !important;
  background: transparent !important;
  padding: 0 !important;
  color: var(--text) !important;
}

/* ── Hover Markdown Formatting Improvements ── */
.hover-content a {
  color: var(--accent2) !important;
  text-decoration: none;
  font-weight: 500;
}

.hover-content a:hover {
  text-decoration: underline !important;
}

.hover-content blockquote {
  margin: 10px 0;
  padding-left: 10px;
  border-left: 3px solid var(--accent);
  color: var(--text2);
  font-style: italic;
}

/* ── Hover Diagnostics Styles ── */
.hover-diagnostics-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0;
}

.hover-diagnostic-item {
  padding: 10px 12px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid;
}

.hover-diagnostic-item.diag-error {
  border-left-color: var(--red);
  background: rgba(239, 68, 68, 0.08);
}

.hover-diagnostic-item.diag-warning {
  border-left-color: var(--orange);
  background: rgba(245, 158, 11, 0.08);
}

.hover-diagnostic-item.diag-info {
  border-left-color: var(--accent);
  background: rgba(99, 102, 241, 0.08);
}

.hover-diagnostic-item.diag-hint {
  border-left-color: var(--green);
  background: rgba(16, 185, 129, 0.08);
}

.hover-diagnostic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 6px;
  font-weight: 600;
}

.diag-error .hover-diagnostic-badge {
  color: #f87171;
}

.diag-warning .hover-diagnostic-badge {
  color: #fbbf24;
}

.diag-info .hover-diagnostic-badge {
  color: #818cf8;
}

.diag-hint .hover-diagnostic-badge {
  color: #34d399;
}

.hover-diagnostic-badge {
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hover-diagnostic-source {
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 10px;
}

.hover-diagnostic-message {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  font-family: var(--font-ui);
}

.hover-divider {
  margin: 12px 0;
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

/* ── References View Premium Styles ── */
.references-list-container {
  display: flex;
  flex-direction: column;
  background: #090c15;
  padding: 12px;
  gap: 10px;
  overflow-y: auto;
  height: 100%;
}

.reference-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
}

.reference-item:hover {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.reference-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.reference-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reference-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.reference-filename {
  font-weight: 600;
  color: #fff;
  font-size: 13px;
}

.reference-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text2);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 10px;
  font-family: var(--font-mono);
}

.reference-path {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reference-code-snippet {
  margin-top: 6px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #34d399; /* emerald-400 */
  white-space: pre;
  overflow-x: auto;
  min-width: 0;
}