/* ============================================
   CODEPILOT — Dark IDE Theme
   Palette: Volcanic Glass + Neon Cyan
   Fonts: JetBrains Mono + Syne + Inter
   ============================================ */

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

:root {
  --bg-base:       #0C0C0F;
  --bg-surface:    #111116;
  --bg-elevated:   #16161D;
  --bg-panel:      #1A1A24;
  --bg-hover:      #1F1F2E;
  --bg-active:     #252535;
  --border:        #2A2A3A;
  --border-bright: #3A3A50;

  --text-primary:  #E8E6F0;
  --text-secondary:#9090B0;
  --text-muted:    #5A5A78;
  --text-dim:      #3A3A55;

  --accent:        #00FFC2;
  --accent-dim:    rgba(0,255,194,0.12);
  --accent-glow:   rgba(0,255,194,0.25);
  --accent2:       #7C6FFF;
  --accent2-dim:   rgba(124,111,255,0.12);
  --red:           #FF5F6D;
  --yellow:        #FFD166;
  --green:         #06D6A0;
  --orange:        #FF9F43;

  /* Syntax colors */
  --syn-keyword:   #C792EA;
  --syn-string:    #C3E88D;
  --syn-number:    #F78C6C;
  --syn-comment:   #546E7A;
  --syn-function:  #82AAFF;
  --syn-operator:  #89DDFF;
  --syn-variable:  #EEFFFF;
  --syn-type:      #FFCB6B;
  --syn-tag:       #F07178;
  --syn-attr:      #C792EA;

  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     12px;

  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;
  --font-ui:       'Inter', sans-serif;
  --font-display:  'Syne', sans-serif;

  --topbar-h:      48px;
  --sidebar-w:     200px;
  --right-panel-w: 380px;
  --statusbar-h:   24px;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient Background ── */
.ambient-bg {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.06;
  animation: orbFloat 12s ease-in-out infinite;
}
.orb-1 { width: 500px; height: 500px; background: var(--accent); top: -150px; left: -100px; animation-delay: 0s; }
.orb-2 { width: 400px; height: 400px; background: var(--accent2); bottom: -100px; right: -80px; animation-delay: 4s; }
.orb-3 { width: 300px; height: 300px; background: var(--orange); top: 40%; left: 40%; animation-delay: 8s; }

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

/* ── Top Bar ── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: rgba(12,12,15,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 12px;
  gap: 12px;
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.topbar-center { flex: 1; overflow: hidden; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* Logo */
.logo { display: flex; align-items: center; gap: 8px; cursor: default; }
.logo-text {
  font-family: var(--font-display);
  font-size: 16px; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}
.logo-accent { color: var(--accent); }

/* Nav */
.topbar-nav { display: flex; gap: 2px; }
.nav-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-ui); font-size: 12px; font-weight: 500;
  padding: 4px 10px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.nav-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-btn.active { color: var(--accent); background: var(--accent-dim); }

/* File Tabs */
.file-tabs {
  display: flex; align-items: center; gap: 2px;
  overflow-x: auto; scrollbar-width: none;
}
.file-tabs::-webkit-scrollbar { display: none; }

.file-tab {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-mono); font-size: 11.5px;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all 0.15s;
  user-select: none;
}
.file-tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.file-tab.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--border);
  border-bottom-color: var(--bg-elevated);
}
.tab-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 14px; line-height: 1;
  padding: 0 2px; border-radius: 2px;
  opacity: 0; transition: opacity 0.15s;
}
.file-tab:hover .tab-close { opacity: 1; }
.tab-close:hover { color: var(--red); background: rgba(255,95,109,0.15); }
.tab-add {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 18px; line-height: 1;
  padding: 2px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.tab-add:hover { color: var(--accent); background: var(--accent-dim); }

/* Language icons */
.tab-icon, .tree-icon {
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  padding: 1px 4px; border-radius: 3px;
  letter-spacing: 0.5px;
}
.js-icon   { background: rgba(255,209,51,0.2);  color: #FFD133; }
.html-icon { background: rgba(240,113,120,0.2); color: #F07178; }
.css-icon  { background: rgba(130,170,255,0.2); color: #82AAFF; }
.py-icon   { background: rgba(0,255,194,0.15);  color: var(--accent); }
.ts-icon   { background: rgba(124,111,255,0.2); color: var(--accent2); }
.json-icon { background: rgba(255,159,67,0.2);  color: var(--orange); }

/* Lang selector */
.lang-selector select {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); font-family: var(--font-ui); font-size: 11px;
  padding: 4px 8px; border-radius: var(--radius-sm); cursor: pointer;
  outline: none; transition: border-color 0.15s;
}
.lang-selector select:hover { border-color: var(--border-bright); }

/* Buttons */
.btn-run {
  display: flex; align-items: center; gap: 6px;
  background: var(--accent); color: #000;
  border: none; cursor: pointer;
  font-family: var(--font-ui); font-size: 12px; font-weight: 600;
  padding: 6px 14px; border-radius: var(--radius-sm);
  transition: all 0.15s;
  box-shadow: 0 0 12px var(--accent-glow);
}
.btn-run:hover { background: #00e6ae; box-shadow: 0 0 20px var(--accent-glow); transform: translateY(-1px); }
.btn-run:active { transform: translateY(0); }
.btn-run.running { background: var(--orange); box-shadow: 0 0 12px rgba(255,159,67,0.3); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.7; } }

.btn-icon {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  padding: 6px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.btn-icon:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.btn-icon.recording { color: var(--red); border-color: var(--red); background: rgba(255,95,109,0.1); animation: pulse 1s infinite; }

.user-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: #fff; cursor: pointer;
}

/* ── Main Layout ── */
.main-layout {
  position: fixed;
  top: var(--topbar-h); left: 0; right: 0; bottom: 0;
  display: flex;
  z-index: 1;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}
.sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px 8px;
  font-size: 10px; font-weight: 600; letter-spacing: 1px;
  color: var(--text-muted); text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
.sidebar-icon-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 18px; line-height: 1;
  padding: 0 4px; border-radius: 3px; transition: all 0.15s;
}
.sidebar-icon-btn:hover { color: var(--accent); background: var(--accent-dim); }

.file-tree { flex: 1; overflow-y: auto; padding: 8px 0; }
.file-tree::-webkit-scrollbar { width: 4px; }
.file-tree::-webkit-scrollbar-track { background: transparent; }
.file-tree::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.tree-folder-label {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 12px; font-size: 11.5px; font-weight: 600;
  color: var(--text-secondary); cursor: pointer;
  transition: color 0.15s;
}
.tree-folder-label:hover { color: var(--text-primary); }
.tree-children { padding-left: 8px; }

.tree-file {
  display: flex; align-items: center; gap: 7px;
  padding: 5px 12px 5px 20px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--text-secondary); cursor: pointer;
  border-radius: var(--radius-sm); margin: 1px 4px;
  transition: all 0.15s;
}
.tree-file:hover { color: var(--text-primary); background: var(--bg-hover); }
.tree-file.active { color: var(--text-primary); background: var(--bg-active); }
.tree-file.active::before {
  content: ''; position: absolute; left: 0;
  width: 2px; height: 20px;
  background: var(--accent); border-radius: 0 2px 2px 0;
}
.tree-file { position: relative; }

.sidebar-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
}
.sidebar-footer-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-muted);
}

/* ── Editor Area ── */
.editor-area {
  flex: 1;
  display: flex; flex-direction: column;
  background: var(--bg-base);
  overflow: hidden;
  min-width: 0;
}
.editor-container {
  flex: 1; display: flex; overflow: hidden;
  position: relative;
}

/* Line numbers */
.line-numbers {
  width: 48px; flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.6;
  color: var(--text-dim);
  text-align: right;
  overflow: hidden;
  user-select: none;
}
.line-num {
  display: block; padding: 0 10px 0 4px;
  transition: color 0.1s;
}
.line-num.active { color: var(--text-secondary); }

/* Editor wrapper */
.editor-wrapper {
  flex: 1; position: relative; overflow: hidden;
}

.code-editor {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  background: transparent;
  border: none; outline: none; resize: none;
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.6;
  color: var(--text-primary);
  padding: 16px 16px 16px 16px;
  tab-size: 2;
  caret-color: var(--accent);
  z-index: 2;
  overflow: auto;
  white-space: pre;
  word-wrap: normal;
}
.code-editor::-webkit-scrollbar { width: 8px; height: 8px; }
.code-editor::-webkit-scrollbar-track { background: var(--bg-surface); }
.code-editor::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 4px; }
.code-editor::selection { background: rgba(124,111,255,0.3); }
.code-editor::placeholder { color: var(--text-dim); font-style: italic; }

/* Syntax highlight overlay */
.editor-highlight {
  position: absolute; inset: 0;
  font-family: var(--font-mono); font-size: 13.5px; line-height: 1.6;
  padding: 16px;
  pointer-events: none;
  z-index: 1;
  white-space: pre;
  word-wrap: normal;
  overflow: hidden;
  color: transparent;
}

/* Status bar */
.editor-statusbar {
  height: var(--statusbar-h);
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 16px;
  font-size: 11px; color: var(--text-muted);
  flex-shrink: 0;
}
.lang-badge {
  background: var(--accent-dim); color: var(--accent);
  padding: 1px 8px; border-radius: 10px; font-size: 10px; font-weight: 600;
}
.statusbar-sep { flex: 1; }
#autoSaveStatus { color: var(--green); font-size: 10px; }

/* ── Right Panel ── */
.right-panel {
  width: var(--right-panel-w);
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

/* Panel tabs */
.panel-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-shrink: 0;
}
.panel-tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 5px;
  padding: 10px 4px;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-family: var(--font-ui); font-size: 11px; font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.panel-tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.panel-tab.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--accent-dim); }

.panel-content { display: none; flex-direction: column; flex: 1; overflow: hidden; }
.panel-content.active { display: flex; }

/* ── AI Panel ── */
.ai-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.ai-status { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.ai-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: aiPulse 2s ease-in-out infinite;
}
@keyframes aiPulse { 0%,100% { opacity: 1; box-shadow: 0 0 8px var(--accent); } 50% { opacity: 0.6; box-shadow: 0 0 16px var(--accent); } }

.ai-clear-btn {
  background: none; border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 11px; padding: 3px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.ai-clear-btn:hover { color: var(--red); border-color: var(--red); background: rgba(255,95,109,0.1); }

.ai-messages {
  flex: 1; overflow-y: auto; padding: 12px;
  display: flex; flex-direction: column; gap: 12px;
}
.ai-messages::-webkit-scrollbar { width: 4px; }
.ai-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.ai-message { display: flex; gap: 10px; animation: msgSlide 0.3s ease; }
@keyframes msgSlide { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.msg-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.ai-message.assistant .msg-avatar { background: var(--accent-dim); border: 1px solid rgba(0,255,194,0.3); }
.ai-message.user .msg-avatar { background: var(--accent2-dim); border: 1px solid rgba(124,111,255,0.3); color: var(--accent2); }

.msg-content { flex: 1; min-width: 0; }
.msg-text {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 10px 12px;
  font-size: 12.5px; line-height: 1.6; color: var(--text-primary);
}
.ai-message.user .msg-text { background: var(--accent2-dim); border-color: rgba(124,111,255,0.25); }
.ai-message.assistant .msg-text { background: var(--bg-elevated); }

.msg-text strong { color: var(--accent); }
.msg-text em { color: var(--text-secondary); font-style: italic; }
.msg-text code {
  font-family: var(--font-mono); font-size: 11.5px;
  background: var(--bg-panel); color: var(--syn-string);
  padding: 1px 5px; border-radius: 3px;
}
.msg-text pre {
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 12px; margin-top: 8px;
  overflow-x: auto; font-family: var(--font-mono); font-size: 12px; line-height: 1.5;
  color: var(--text-primary);
}
.msg-actions { display: flex; gap: 6px; margin-top: 6px; }
.msg-action-btn {
  background: none; border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 10px; padding: 3px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.msg-action-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }

/* Typing indicator */
.typing-indicator .msg-text {
  display: flex; align-items: center; gap: 4px; padding: 12px;
}
.typing-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); opacity: 0.4;
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce { 0%,60%,100% { transform: translateY(0); opacity: 0.4; } 30% { transform: translateY(-6px); opacity: 1; } }

/* Quick actions */
.ai-quick-actions {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.quick-btn {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  font-size: 11px; padding: 4px 10px; border-radius: 20px;
  transition: all 0.15s; white-space: nowrap;
}
.quick-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); transform: translateY(-1px); }

/* AI Input */
.ai-input-area {
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.ai-input-wrapper {
  display: flex; align-items: flex-end; gap: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 8px 10px;
  transition: border-color 0.15s;
}
.ai-input-wrapper:focus-within { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }
.ai-input {
  flex: 1; background: none; border: none; outline: none; resize: none;
  font-family: var(--font-ui); font-size: 12.5px; line-height: 1.5;
  color: var(--text-primary); max-height: 120px; overflow-y: auto;
}
.ai-input::placeholder { color: var(--text-dim); }
.ai-send-btn {
  background: var(--accent); border: none; cursor: pointer;
  color: #000; padding: 6px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s; flex-shrink: 0;
}
.ai-send-btn:hover { background: #00e6ae; transform: scale(1.05); }
.ai-send-btn:disabled { background: var(--bg-panel); color: var(--text-dim); cursor: not-allowed; transform: none; }
.ai-input-hint { font-size: 10px; color: var(--text-dim); margin-top: 5px; text-align: right; }

/* ── Terminal Panel ── */
.terminal-header {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.terminal-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red    { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green  { background: #28CA41; }
.terminal-title { flex: 1; font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }
.terminal-clear-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 11px; padding: 2px 6px; border-radius: 3px;
  transition: all 0.15s;
}
.terminal-clear-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.terminal-output {
  flex: 1; overflow-y: auto; padding: 12px 14px;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7;
  background: var(--bg-base);
}
.terminal-output::-webkit-scrollbar { width: 4px; }
.terminal-output::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.terminal-line { display: flex; flex-wrap: wrap; gap: 2px; align-items: baseline; }
.t-prompt { color: var(--accent); font-weight: 600; }
.t-sep, .t-colon { color: var(--text-muted); }
.t-host { color: var(--accent2); }
.t-path { color: var(--syn-function); }
.t-dollar { color: var(--text-secondary); margin: 0 4px; }
.t-cmd { color: var(--text-primary); }
.t-output { color: var(--text-secondary); padding-left: 4px; display: block; width: 100%; }
.t-error { color: var(--red); padding-left: 4px; display: block; width: 100%; }
.t-success { color: var(--green); padding-left: 4px; display: block; width: 100%; }
.t-info { color: var(--text-muted); font-size: 11px; padding: 2px 0; }
.t-warn { color: var(--yellow); padding-left: 4px; display: block; width: 100%; }
kbd {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 3px; padding: 1px 5px; font-size: 10px; font-family: var(--font-mono);
}

.terminal-input-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}
.t-prompt-inline { color: var(--accent); font-family: var(--font-mono); font-size: 14px; }
.terminal-input {
  flex: 1; background: none; border: none; outline: none;
  font-family: var(--font-mono); font-size: 12.5px;
  color: var(--text-primary); caret-color: var(--accent);
}
.terminal-input::placeholder { color: var(--text-dim); }

/* ── Preview Panel ── */
.preview-header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.preview-url-bar {
  flex: 1; display: flex; align-items: center; gap: 6px;
  background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 4px 10px;
  font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
}
.preview-refresh {
  background: none; border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 16px; padding: 3px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.preview-refresh:hover { color: var(--accent); border-color: var(--accent); }
.preview-frame-wrapper { flex: 1; position: relative; overflow: hidden; }
.preview-frame { width: 100%; height: 100%; border: none; background: #fff; }
.preview-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text-dim);
  font-size: 12px; text-align: center;
}
.preview-placeholder p { line-height: 1.6; }

/* ── Media Panel ── */
.media-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 12px; font-weight: 500; color: var(--text-secondary);
  flex-shrink: 0;
}
.media-clear-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 11px; padding: 3px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.media-clear-btn:hover { color: var(--red); }
.media-toolbar {
  display: flex; gap: 8px; padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.media-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-secondary); cursor: pointer;
  font-size: 12px; font-weight: 500; padding: 8px;
  border-radius: var(--radius-sm); transition: all 0.15s;
}
.media-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.media-btn.recording { color: var(--red); border-color: var(--red); background: rgba(255,95,109,0.1); animation: pulse 1s infinite; }

.media-gallery {
  flex: 1; overflow-y: auto; padding: 12px;
  display: flex; flex-direction: column; gap: 10px;
}
.media-gallery::-webkit-scrollbar { width: 4px; }
.media-gallery::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.media-empty {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 12px; color: var(--text-dim); font-size: 12px; text-align: center;
}
.media-empty p { line-height: 1.6; }

.media-item {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  animation: msgSlide 0.3s ease;
}
.media-item-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px;
  font-size: 11px; color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.media-item-header span { color: var(--text-secondary); font-weight: 500; }
.media-item img, .media-item video {
  width: 100%; display: block; max-height: 200px; object-fit: contain;
  background: #000;
}
.media-item-actions {
  display: flex; gap: 6px; padding: 8px 10px;
}
.media-action-btn {
  background: none; border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 10px; padding: 3px 8px; border-radius: var(--radius-sm);
  transition: all 0.15s; text-decoration: none; display: inline-block;
}
.media-action-btn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }

/* ── Toast Notifications ── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 1000;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 10px 14px;
  font-size: 12.5px; color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: toastIn 0.3s ease;
  min-width: 240px; max-width: 360px;
}
.toast.success { border-color: var(--green); }
.toast.error   { border-color: var(--red); }
.toast.info    { border-color: var(--accent); }
.toast-icon { font-size: 16px; }
.toast-msg { flex: 1; }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(20px); } }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center;
  z-index: 200;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg-elevated); border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg); padding: 0;
  width: 360px; overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  animation: modalIn 0.2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(-10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 13px;
}
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 20px; line-height: 1;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--red); }
.modal-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.modal-input {
  width: 100%; background: var(--bg-base); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 12px;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-primary);
  outline: none; transition: border-color 0.15s;
}
.modal-input:focus { border-color: var(--accent); }
.modal-langs { display: flex; gap: 6px; flex-wrap: wrap; }
.modal-lang-btn {
  background: var(--bg-surface); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.modal-lang-btn:hover, .modal-lang-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent-dim); }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 12px 16px; border-top: 1px solid var(--border);
}
.modal-cancel {
  background: none; border: 1px solid var(--border); cursor: pointer;
  color: var(--text-muted); font-size: 12px; padding: 6px 14px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.modal-cancel:hover { color: var(--text-primary); border-color: var(--border-bright); }
.modal-create {
  background: var(--accent); border: none; cursor: pointer;
  color: #000; font-size: 12px; font-weight: 600; padding: 6px 14px; border-radius: var(--radius-sm);
  transition: all 0.15s;
}
.modal-create:hover { background: #00e6ae; }

/* ── Recording Indicator ── */
.recording-indicator {
  position: fixed; top: 60px; left: 50%; transform: translateX(-50%);
  background: rgba(255,95,109,0.15); border: 1px solid var(--red);
  border-radius: 20px; padding: 6px 16px;
  display: none; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; color: var(--red);
  z-index: 150; backdrop-filter: blur(8px);
}
.recording-indicator.active { display: flex; }
.rec-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red); animation: pulse 1s infinite;
}
#stopRecordBtn {
  background: var(--red); border: none; cursor: pointer;
  color: #fff; font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 10px; transition: all 0.15s;
}
#stopRecordBtn:hover { background: #ff3040; }

/* ── Syntax Highlighting Colors ── */
.hl-keyword  { color: var(--syn-keyword); }
.hl-string   { color: var(--syn-string); }
.hl-number   { color: var(--syn-number); }
.hl-comment  { color: var(--syn-comment); font-style: italic; }
.hl-function { color: var(--syn-function); }
.hl-operator { color: var(--syn-operator); }
.hl-tag      { color: var(--syn-tag); }
.hl-attr     { color: var(--syn-attr); }
.hl-type     { color: var(--syn-type); }

/* ── Scrollbars (global) ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-bright); }

/* ── Resize handle ── */
.resize-handle {
  position: fixed; top: var(--topbar-h); bottom: 0;
  width: 4px; cursor: col-resize;
  background: transparent; z-index: 50;
  transition: background 0.15s;
}
.resize-handle:hover, .resize-handle.dragging { background: var(--accent); }

/* ── Animations ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ── */
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; --right-panel-w: 320px; }
  .sidebar { display: none; }
}
@media (max-width: 680px) {
  :root { --right-panel-w: 100%; }
  .editor-area { display: none; }
  .right-panel { border-left: none; }
}

/* ── Code apply animation ── */
.code-applied {
  animation: codeFlash 0.5s ease;
}
@keyframes codeFlash {
  0% { background: rgba(0,255,194,0.08); }
  100% { background: transparent; }
}

/* ── Run button states ── */
.btn-run.success { background: var(--green); box-shadow: 0 0 12px rgba(6,214,160,0.3); }
.btn-run.error   { background: var(--red);   box-shadow: 0 0 12px rgba(255,95,109,0.3); }