@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;1,14..32,400&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

/* ═══════════════════════════════════════════════════════
   DESIGN TOKENS — LIGHT THEME (Default)
═══════════════════════════════════════════════════════ */
:root {
  /* Base Colors */
  --bg-base:        #f1f5f9;
  --bg-surface:     #ffffff;
  --bg-elevated:    #f8fafc;
  --bg-overlay:     rgba(255, 255, 255, 0.85);

  /* Glass */
  --glass-bg:       rgba(0, 0, 0, 0.03);
  --glass-bg-hover: rgba(0, 0, 0, 0.06);
  --glass-border:   rgba(0, 0, 0, 0.08);
  --glass-border-h: rgba(0, 0, 0, 0.15);
  --glass-shadow:   0 8px 30px rgba(0, 0, 0, 0.08);

  /* Accent Colors */
  --indigo:         #4f46e5;
  --indigo-light:   #6366f1;
  --indigo-dim:     rgba(79, 70, 229, 0.1);
  --purple:         #9333ea;
  --purple-dim:     rgba(147, 51, 234, 0.1);
  --cyan:           #06b6d4;
  --cyan-dim:       rgba(6, 182, 212, 0.1);
  --emerald:        #059669;
  --emerald-dim:    rgba(5, 150, 105, 0.1);
  --rose:           #e11d48;
  --rose-dim:       rgba(225, 29, 72, 0.1);
  --amber:          #d97706;
  --amber-dim:      rgba(217, 119, 6, 0.1);

  /* Text */
  --text-primary:   #0f172a;
  --text-secondary: #334155;
  --text-muted:     #64748b;
  --text-faint:     #cbd5e1;

  /* Language Colors */
  --lang-cpp:    #0284c7;
  --lang-c:      #2563eb;
  --lang-python: #ca8a04;
  --lang-java:   #ea580c;
  --lang-sql:    #00758f;
  --lang-html:   #e34f26;
  --lang-css:    #1572b6;
  --lang-js:     #eab308;

  /* Typography */
  --font-ui:   'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;

  /* Motion */
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snappy: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:    150ms;
  --dur-normal:  250ms;
  --dur-slow:    400ms;

  /* Sidebar */
  --sidebar-w:  52px;
  --header-h:   54px;
  --statusbar-h: 26px;

  /* Theme-aware surface vars */
  --header-bg:        rgba(255, 255, 255, 0.8);
  --sidebar-bg:       rgba(248, 250, 252, 0.9);
  --panel-topbar-bg:  rgba(0, 0, 0, 0.03);
  --terminal-bg:      #ffffff;
  --scanline-color:   transparent;
  --stats-bg:         rgba(0, 0, 0, 0.04);
  --output-text:      #1e293b;
  --error-pre-color:  #9f1239;
  --processing-bg:    rgba(255, 255, 255, 0.85);
  --modal-backdrop-bg: rgba(0, 0, 0, 0.5);
  --modal-shadow:     0 30px 80px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
  --scrollbar-thumb:  rgba(0, 0, 0, 0.12);
  --scrollbar-hover:  rgba(0, 0, 0, 0.22);
  --kbd-bg:           rgba(0, 0, 0, 0.06);
  --analytics-card-bg: rgba(0, 0, 0, 0.04);
  --table-border:     rgba(0, 0, 0, 0.06);
  --table-th-bg:      rgba(255, 255, 255, 0.9);
  --welcome-hint-bg:  rgba(0, 0, 0, 0.04);
  --file-tab-bg:      rgba(0, 0, 0, 0.03);
  --modal-textarea-bg: rgba(0, 0, 0, 0.04);
  --btn-secondary-bg: rgba(0, 0, 0, 0.05);
  --btn-secondary-hover-bg: rgba(0, 0, 0, 0.1);
  --pill-hover-bg:    rgba(0, 0, 0, 0.05);
  --pill-active-bg:   rgba(0, 0, 0, 0.06);
  --ghost-hover-bg:   rgba(0, 0, 0, 0.06);
  --grid-line-color:  rgba(0, 0, 0, 0.025);
}

/* ═══════════════════════════════════════════════════════
   DESIGN TOKENS — DARK THEME
═══════════════════════════════════════════════════════ */
[data-theme="dark"] {
  /* Base Colors */
  --bg-base:        #0a0e1a;
  --bg-surface:     #0f1629;
  --bg-elevated:    #141b32;
  --bg-overlay:     rgba(10, 14, 26, 0.92);

  /* Glass */
  --glass-bg:       rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border:   rgba(255, 255, 255, 0.07);
  --glass-border-h: rgba(255, 255, 255, 0.14);
  --glass-shadow:   0 8px 30px rgba(0, 0, 0, 0.5);

  /* Accent Colors (brighter for dark bg) */
  --indigo:         #6366f1;
  --indigo-light:   #818cf8;
  --indigo-dim:     rgba(99, 102, 241, 0.15);
  --purple:         #a855f7;
  --purple-dim:     rgba(168, 85, 247, 0.15);
  --cyan:           #22d3ee;
  --cyan-dim:       rgba(34, 211, 238, 0.12);
  --emerald:        #34d399;
  --emerald-dim:    rgba(52, 211, 153, 0.12);
  --rose:           #fb7185;
  --rose-dim:       rgba(251, 113, 133, 0.12);
  --amber:          #fbbf24;
  --amber-dim:      rgba(251, 191, 36, 0.12);

  /* Text */
  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-faint:     #334155;

  /* Language Colors (brighter) */
  --lang-cpp:    #38bdf8;
  --lang-c:      #60a5fa;
  --lang-python: #fbbf24;
  --lang-java:   #fb923c;

  /* Theme-aware surface vars */
  --header-bg:        rgba(10, 14, 26, 0.85);
  --sidebar-bg:       rgba(6, 8, 17, 0.6);
  --panel-topbar-bg:  rgba(0, 0, 0, 0.3);
  --terminal-bg:      rgba(0, 0, 0, 0.35);
  --scanline-color:   rgba(0, 0, 0, 0.2);
  --stats-bg:         rgba(0, 0, 0, 0.25);
  --output-text:      #e2e8f0;
  --error-pre-color:  #fda4af;
  --processing-bg:    rgba(10, 14, 26, 0.88);
  --modal-backdrop-bg: rgba(0, 0, 0, 0.7);
  --modal-shadow:     0 30px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(255,255,255,0.04);
  --scrollbar-thumb:  rgba(255, 255, 255, 0.08);
  --scrollbar-hover:  rgba(255, 255, 255, 0.15);
  --kbd-bg:           rgba(255, 255, 255, 0.08);
  --analytics-card-bg: rgba(0, 0, 0, 0.35);
  --table-border:     rgba(255, 255, 255, 0.05);
  --table-th-bg:      rgba(0, 0, 0, 0.4);
  --welcome-hint-bg:  rgba(255, 255, 255, 0.03);
  --file-tab-bg:      rgba(255, 255, 255, 0.04);
  --modal-textarea-bg: rgba(0, 0, 0, 0.3);
  --btn-secondary-bg: rgba(255, 255, 255, 0.05);
  --btn-secondary-hover-bg: rgba(255, 255, 255, 0.1);
  --pill-hover-bg:    rgba(255, 255, 255, 0.06);
  --pill-active-bg:   rgba(255, 255, 255, 0.08);
  --ghost-hover-bg:   rgba(255, 255, 255, 0.07);
  --grid-line-color:  rgba(255, 255, 255, 0.022);
}

/* ═══════════════════════════════════════════════════════
   GLOBAL RESET
═══════════════════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  color-scheme: light dark;
  transition: background var(--dur-slow) var(--ease-smooth);
}
[data-theme="dark"] {
  color-scheme: dark;
}
body {
  font-family: var(--font-ui);
  font-size: 13px;
  background: var(--bg-base);
  color: var(--text-primary);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--dur-slow) var(--ease-smooth), color var(--dur-slow) var(--ease-smooth);
}

/* ═══════════════════════════════════════════════════════
   ANIMATED BACKGROUND
═══════════════════════════════════════════════════════ */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.bg-canvas::before,
.bg-canvas::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
  will-change: transform;
}
.bg-canvas::before {
  width: 700px;
  height: 700px;
  top: -200px;
  left: -150px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.06) 50%, transparent 75%);
  animation: blob-drift-a 18s ease-in-out infinite alternate;
}
[data-theme="dark"] .bg-canvas::before {
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, rgba(168, 85, 247, 0.1) 50%, transparent 75%);
}
.bg-canvas::after {
  width: 600px;
  height: 600px;
  bottom: -180px;
  right: -100px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(99, 102, 241, 0.04) 50%, transparent 75%);
  animation: blob-drift-b 22s ease-in-out infinite alternate;
}
[data-theme="dark"] .bg-canvas::after {
  background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, rgba(99, 102, 241, 0.08) 50%, transparent 75%);
}
.bg-blob-mid {
  position: absolute;
  width: 400px;
  height: 400px;
  top: 45%;
  left: 45%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.1;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
  animation: blob-drift-c 26s ease-in-out infinite alternate;
  pointer-events: none;
}
[data-theme="dark"] .bg-blob-mid {
  opacity: 0.18;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.4) 0%, transparent 70%);
}
@keyframes blob-drift-a {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(80px, 60px) scale(1.15); }
}
@keyframes blob-drift-b {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-70px, -50px) scale(1.1); }
}
@keyframes blob-drift-c {
  from { transform: translate(-50%, -50%) scale(1); }
  to   { transform: translate(calc(-50% + 40px), calc(-50% + 30px)) scale(1.2); }
}
/* Subtle grid texture */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ═══════════════════════════════════════════════════════
   LAYOUT SKELETON
═══════════════════════════════════════════════════════ */
.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════ */
.app-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 16px 0 0;
  border-bottom: 1px solid var(--glass-border);
  background: var(--header-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  flex-shrink: 0;
  position: relative;
  z-index: 100;
}
/* Thin gradient accent line at very top of header */
.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--indigo), var(--purple), var(--cyan), transparent);
  opacity: 0.7;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  width: var(--sidebar-w);
  flex-shrink: 0;
  border-right: 1px solid var(--glass-border);
  height: 100%;
}
.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  flex-shrink: 0;
  position: relative;
}
.brand-logo::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

/* Header content area */
.header-content {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 100%;
}

.header-brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.header-brand-text strong {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--text-primary) 40%, var(--indigo-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.header-brand-text small {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}
.version-badge {
  display: inline-flex;
  align-items: center;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 1px 6px;
  border-radius: 20px;
  background: var(--indigo-dim);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--indigo-light);
  text-transform: uppercase;
  margin-left: 6px;
  vertical-align: middle;
}

/* Language selector pills */
.lang-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3px;
}
.lang-pill {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  border: 1px solid transparent;
  background: transparent;
  transition: all var(--dur-normal) var(--ease-snappy);
  white-space: nowrap;
  user-select: none;
}
.lang-pill:hover {
  color: var(--text-primary);
  background: var(--pill-hover-bg);
}
.lang-pill.active {
  background: var(--pill-active-bg);
  border-color: var(--glass-border-h);
  color: var(--text-primary);
  font-weight: 600;
}
.lang-pill.active[data-lang="cpp"],
.lang-pill.active[data-lang="c"]          { color: var(--lang-cpp); border-color: rgba(14, 165, 233, 0.4); background: rgba(14, 165, 233, 0.08); }
.lang-pill.active[data-lang="python"]     { color: var(--lang-python); border-color: rgba(234, 179, 8, 0.4); background: rgba(234, 179, 8, 0.08); }
.lang-pill.active[data-lang="java"]       { color: var(--lang-java); border-color: rgba(249, 115, 22, 0.4); background: rgba(249, 115, 22, 0.08); }
.lang-pill.active[data-lang="sql"]        { color: var(--lang-sql); border-color: rgba(0, 117, 143, 0.4); background: rgba(0, 117, 143, 0.08); }
.lang-pill.active[data-lang="html"]       { color: var(--lang-html); border-color: rgba(227, 79, 38, 0.4); background: rgba(227, 79, 38, 0.08); }
.lang-pill.active[data-lang="css"]        { color: var(--lang-css); border-color: rgba(21, 114, 182, 0.4); background: rgba(21, 114, 182, 0.08); }
.lang-pill.active[data-lang="javascript"] { color: var(--lang-js); border-color: rgba(234, 179, 8, 0.4); background: rgba(234, 179, 8, 0.08); }

.lang-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
[data-lang="cpp"]        .lang-dot, [data-lang="c"] .lang-dot { background: var(--lang-cpp); }
[data-lang="python"]     .lang-dot { background: var(--lang-python); }
[data-lang="java"]       .lang-dot { background: var(--lang-java); }
[data-lang="sql"]        .lang-dot { background: var(--lang-sql); }
[data-lang="html"]       .lang-dot { background: var(--lang-html); }
[data-lang="css"]        .lang-dot { background: var(--lang-css); }
[data-lang="javascript"] .lang-dot { background: var(--lang-js); }

/* Light Theme overrides for Language Selector */
html:not([data-theme="dark"]) .lang-selector {
  background: #ffffff;
  border-color: #cbd5e1;
}
html:not([data-theme="dark"]) .lang-pill {
  color: #334155;
}
html:not([data-theme="dark"]) .lang-pill:hover {
  background: rgba(0,0,0,0.04);
}
html:not([data-theme="dark"]) .lang-pill.active {
  background: #f1f5f9;
  color: #0f172a;
  border-color: #cbd5e1;
}
html:not([data-theme="dark"]) .lang-pill.active[data-lang="cpp"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="c"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="python"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="java"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="sql"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="html"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="css"],
html:not([data-theme="dark"]) .lang-pill.active[data-lang="javascript"] {
  /* Override the colored borders/backgrounds to keep it crisp */
  color: #000000;
  border-color: #cbd5e1;
  background: #f1f5f9;
}

/* Header spacer */
.header-spacer { flex: 1; }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Icon Button */
.btn-ghost {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
  font-size: 12.5px;
  position: relative;
  overflow: hidden;
}
.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--ghost-hover-bg);
  border-color: var(--glass-border);
}
.btn-ghost:active { transform: scale(0.94); }

.btn-clear {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  color: var(--rose);
  background: rgba(225, 29, 72, 0.06);
  border: 1px solid rgba(225, 29, 72, 0.18);
  border-radius: 20px; /* Modern pill shape */
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .btn-clear {
  color: #fda4af;
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.22);
}

.btn-clear i {
  transition: transform var(--dur-normal) var(--ease-smooth);
}

.btn-clear:hover {
  color: #ffffff;
  background: linear-gradient(135deg, #f43f5e, #e11d48);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.35);
  transform: translateY(-1px);
}

.btn-clear:hover i {
  transform: rotate(-15deg) scale(1.1);
}

.btn-clear:active {
  transform: translateY(1px) scale(0.96);
  box-shadow: 0 2px 6px rgba(244, 63, 94, 0.25);
}


/* Divider */
.header-divider {
  width: 1px;
  height: 22px;
  background: var(--glass-border);
  flex-shrink: 0;
}

/* Run Button */
.btn-run {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  height: 34px;
  border-radius: var(--radius-md);
  border: none;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--purple) 100%);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-smooth);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4), 0 0 0 0 rgba(99, 102, 241, 0);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.2px;
}
.btn-run::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 1;
}
.btn-run:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.55), 0 0 0 0 rgba(99, 102, 241, 0);
}
.btn-run:active { transform: translateY(0); box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3); }
.btn-run.is-running {
  background: linear-gradient(135deg, var(--rose) 0%, #be123c 100%);
  box-shadow: 0 4px 20px rgba(244, 63, 94, 0.4);
}
.btn-run.is-running:hover {
  box-shadow: 0 8px 30px rgba(244, 63, 94, 0.5);
}
.btn-run .shortcut-hint {
  font-size: 9px;
  opacity: 0.65;
  background: rgba(0,0,0,0.05);
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ═══════════════════════════════════════════════════════
   MAIN IDE BODY
═══════════════════════════════════════════════════════ */
.ide-body {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

/* ═══════════════════════════════════════════════════════
   SIDEBAR
═══════════════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 4px;
  border-right: 1px solid var(--glass-border);
  background: var(--sidebar-bg);
  backdrop-filter: blur(10px);
}
.sidebar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-snappy);
  font-size: 13px;
  position: relative;
}
.sidebar-btn:hover {
  color: var(--text-secondary);
  background: rgba(255,255,255,0.06);
  border-color: var(--glass-border);
}
.sidebar-btn.active {
  color: var(--indigo-light);
  background: var(--indigo-dim);
  border-color: rgba(99,102,241,0.3);
}
.sidebar-btn::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 2px;
  height: 60%;
  border-radius: 0 2px 2px 0;
  background: var(--indigo);
  transition: transform var(--dur-fast) var(--ease-smooth);
}
.sidebar-btn.active::before { transform: translateY(-50%) scaleY(1); }
.sidebar-spacer { flex: 1; }

/* ═══════════════════════════════════════════════════════
   EDITOR & CONSOLE PANELS
═══════════════════════════════════════════════════════ */
.panels-area {
  flex: 1;
  display: flex;
  overflow: hidden;
  gap: 1px;
  background: var(--glass-border);
}

.resizer {
  flex: 0 0 4px;
  background: var(--glass-border);
  cursor: col-resize;
  z-index: 10;
  transition: background var(--dur-fast);
}
.resizer:hover, .resizer.dragging {
  background: var(--indigo);
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-surface);
  position: relative;
}

/* Panel top accent line */
.panel-editor::before,
.panel-console::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  opacity: 0.7;
  z-index: 2;
}
.panel-editor::before {
  background: linear-gradient(90deg, var(--indigo), var(--purple), transparent);
}
.panel-console::before {
  background: linear-gradient(90deg, var(--emerald), var(--cyan), transparent);
}

/* Panel Header */
.panel-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 36px;
  border-bottom: 1px solid var(--glass-border);
  background: var(--panel-topbar-bg);
  flex-shrink: 0;
  gap: 8px;
}
.panel-topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.panel-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* macOS window dots */
.window-dots {
  display: flex;
  gap: 5px;
  align-items: center;
}
.win-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transition: filter var(--dur-fast);
}
.win-dot.close   { background: #ff5f57; }
.win-dot.min     { background: #febc2e; }
.win-dot.max     { background: #28c840; }
.window-dots:hover .win-dot { filter: brightness(1.15); }

/* File tabs */
.file-tabs-container {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
  max-width: 300px;
  height: 100%;
}
.file-tabs-container::-webkit-scrollbar {
  height: 2px;
}

.file-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  padding: 0 8px;
  height: 28px;
  border-radius: var(--radius-sm);
  border-bottom: none;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-sizing: border-box;
}
.file-tab:hover {
  background: rgba(255, 255, 255, 0.05);
}
.file-tab.active {
  background: var(--file-tab-bg);
  border: 1px solid var(--glass-border);
  border-bottom: none;
  color: var(--text-primary);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}
.file-tab i.fa-file-code { font-size: 9px; color: var(--indigo-light); }


.close-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 9px;
  padding: 2px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.close-tab-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.add-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}
.add-tab-btn:hover {
  color: var(--text-primary);
}

.panel-meta {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Status pill in console header */
.status-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: rgba(0,0,0,0.05);
  transition: all var(--dur-normal) var(--ease-snappy);
}
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--dur-normal);
}
.status-pill.state-ready   { color: var(--text-muted); }
.status-pill.state-ready   .status-dot { background: var(--text-muted); }
.status-pill.state-running { color: var(--amber); border-color: rgba(245,158,11,0.3); background: var(--amber-dim); }
.status-pill.state-running .status-dot { background: var(--amber); animation: pulse-dot 1s ease-in-out infinite; }
.status-pill.state-success { color: var(--emerald); border-color: rgba(16,185,129,0.3); background: var(--emerald-dim); }
.status-pill.state-success .status-dot { background: var(--emerald); }
.status-pill.state-error   { color: var(--rose); border-color: rgba(244,63,94,0.3); background: var(--rose-dim); }
.status-pill.state-error   .status-dot { background: var(--rose); }
.status-pill.state-interactive { color: var(--cyan); border-color: rgba(34,211,238,0.3); background: var(--cyan-dim); }
.status-pill.state-interactive .status-dot { background: var(--cyan); animation: pulse-dot 1.2s ease-in-out infinite; }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(245,158,11,0.5); }
  50%       { opacity: 0.7; transform: scale(0.85); box-shadow: 0 0 0 4px rgba(245,158,11,0); }
}

/* ═══════════════════════════════════════════════════════
   CODE EDITOR (CodeMirror Overrides)
═══════════════════════════════════════════════════════ */
.editor-viewport {
  flex: 1;
  overflow: hidden;
  position: relative;
}
.CodeMirror {
  height: 100% !important;
  font-family: var(--font-mono) !important;
  font-size: 13.5px !important;
  line-height: 1.65 !important;
  background: transparent !important;
  color: var(--text-primary) !important;
}
.CodeMirror-gutters {
  background: rgba(0, 0, 0, 0.03) !important;
  border-right: 1px solid var(--glass-border) !important;
  min-width: 48px;
}
.CodeMirror-linenumber {
  color: var(--text-muted) !important;
  font-size: 11px !important;
  padding-right: 10px !important;
}
.CodeMirror-selected {
  background: rgba(99, 102, 241, 0.15) !important;
}
.CodeMirror-activeline-background {
  background: rgba(0, 0, 0, 0.04) !important;
}
.CodeMirror-cursor {
  border-left: 2px solid var(--indigo-light) !important;
}
.CodeMirror-scroll {
  padding-bottom: 60px;
}
/* Syntax Colors — Light Theme */
.cm-keyword  { color: #9333ea !important; font-weight: 600; }
.cm-operator { color: #0284c7 !important; }
.cm-variable, .cm-variable-2, .cm-variable-3 { color: #1e293b !important; }
.cm-string, .cm-string-2 { color: #16a34a !important; }
.cm-number   { color: #ea580c !important; }
.cm-def      { color: #2563eb !important; font-weight: 600; }
.cm-comment  { color: #64748b !important; font-style: italic; }
.cm-meta     { color: #ca8a04 !important; }
.cm-builtin  { color: #0284c7 !important; }
.cm-type     { color: #7e22ce !important; font-weight: 600; }
.cm-property { color: #0369a1 !important; }
.cm-atom     { color: #db2777 !important; }
.cm-tag      { color: #dc2626 !important; }
.cm-attribute{ color: #d97706 !important; }

/* Syntax Colors — Dark Theme */
[data-theme="dark"] .cm-keyword  { color: #c084fc !important; }
[data-theme="dark"] .cm-operator { color: #38bdf8 !important; }
[data-theme="dark"] .cm-variable,
[data-theme="dark"] .cm-variable-2,
[data-theme="dark"] .cm-variable-3 { color: #e2e8f0 !important; }
[data-theme="dark"] .cm-string,
[data-theme="dark"] .cm-string-2 { color: #4ade80 !important; }
[data-theme="dark"] .cm-number   { color: #fb923c !important; }
[data-theme="dark"] .cm-def      { color: #60a5fa !important; }
[data-theme="dark"] .cm-comment  { color: #64748b !important; }
[data-theme="dark"] .cm-meta     { color: #fbbf24 !important; }
[data-theme="dark"] .cm-builtin  { color: #22d3ee !important; }
[data-theme="dark"] .cm-type     { color: #a78bfa !important; }
[data-theme="dark"] .cm-property { color: #38bdf8 !important; }
[data-theme="dark"] .cm-atom     { color: #f472b6 !important; }
[data-theme="dark"] .cm-tag      { color: #f87171 !important; }
[data-theme="dark"] .cm-attribute{ color: #fbbf24 !important; }

/* ═══════════════════════════════════════════════════════
   THEME TOGGLE BUTTON
═══════════════════════════════════════════════════════ */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease-snappy);
  font-size: 14px;
  position: relative;
  overflow: hidden;
}
.theme-toggle:hover {
  color: var(--text-primary);
  background: var(--ghost-hover-bg);
  border-color: var(--glass-border-h);
  transform: rotate(15deg);
}
.theme-toggle:active {
  transform: scale(0.9) rotate(0deg);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  position: absolute;
  transition: all var(--dur-normal) var(--ease-smooth);
}
/* Light theme: show sun, hide moon */
.theme-toggle .icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
.theme-toggle .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
/* Dark theme: show moon, hide sun */
[data-theme="dark"] .theme-toggle .icon-sun  { opacity: 0; transform: rotate(90deg) scale(0.5); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }

/* ═══════════════════════════════════════════════════════
   CONSOLE / TERMINAL
═══════════════════════════════════════════════════════ */
.console-viewport {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.terminal-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  position: relative;
  background:
    linear-gradient(var(--terminal-bg) 0 0) padding-box;
}
/* Scanline effect */
.terminal-body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline-color) 2px,
    var(--scanline-color) 4px
  );
  pointer-events: none;
  z-index: 0;
}
.terminal-content {
  position: relative;
  z-index: 1;
}

/* Welcome message */
.console-welcome {
  color: var(--text-muted);
  font-size: 11.5px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--glass-border);
  margin-bottom: 14px;
}
.console-welcome .welcome-logo {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--indigo-light);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}
.console-welcome p {
  line-height: 1.7;
  opacity: 0.75;
}
.console-welcome .welcome-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--glass-border);
  background: var(--welcome-hint-bg);
  color: var(--text-muted);
}

/* Output */
.output-label {
  font-size: 9.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.output-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}
.console-output-text {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--output-text);
  line-height: 1.7;
  animation: fade-in var(--dur-normal) var(--ease-smooth);
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Error Block */
.console-error-block {
  background: var(--rose-dim);
  border: 1px solid rgba(244, 63, 94, 0.25);
  border-left: 3px solid var(--rose);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  animation: fade-in var(--dur-normal) var(--ease-smooth);
}
.console-error-block .err-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rose);
  font-family: var(--font-ui);
}
.console-error-block pre {
  color: var(--error-pre-color);
  font-size: 11.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Processing Overlay */
.processing-overlay {
  position: absolute;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--processing-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fade-in var(--dur-normal) var(--ease-smooth);
}
.processing-overlay .proc-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--indigo-dim);
  border: 1px solid rgba(99,102,241,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--indigo-light);
}
.processing-overlay .proc-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}
/* Three-dot loading */
.proc-dots {
  display: flex;
  gap: 5px;
}
.proc-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--indigo-light);
  animation: proc-bounce 1.2s ease-in-out infinite;
}
.proc-dots span:nth-child(2) { animation-delay: 0.2s; }
.proc-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes proc-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50%       { transform: translateY(-5px); opacity: 1; }
}

/* Execution Stats Bar */
.exec-stats {
  display: flex;
  gap: 16px;
  padding: 8px 12px;
  margin-top: 12px;
  border-top: 1px solid var(--glass-border);
  background: var(--stats-bg);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-muted);
  animation: slide-up var(--dur-normal) var(--ease-smooth);
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.exec-stats .stat-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.exec-stats .stat-item i { font-size: 10px; }

/* Terminal inline cursor */
.terminal-cursor {
  display: inline-block;
  min-width: 8px;
  background: transparent;
  color: var(--text-primary);
  outline: none;
  border: none;
  caret-color: var(--emerald);
}
.terminal-cursor::after {
  content: '█';
  color: var(--emerald);
  margin-left: 1px;
  font-weight: bold;
  animation: cursor-blink 1s step-start infinite;
}
@keyframes cursor-blink { 50% { opacity: 0; } }

/* ═══════════════════════════════════════════════════════
   ANALYTICS DASHBOARD
═══════════════════════════════════════════════════════ */
.analytics-panel {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--glass-border);
  animation: slide-up var(--dur-slow) var(--ease-smooth);
}
.analytics-header {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.analytics-header i { color: var(--purple); }
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  height: 150px;
}
.analytics-card {
  background: var(--analytics-card-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.analytics-card-scroll {
  flex: 1;
  overflow-y: auto;
}
.analytics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 10px;
  font-family: var(--font-mono);
}
.analytics-table th {
  text-align: left;
  padding: 3px 5px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  background: var(--table-th-bg);
}
.analytics-table td {
  padding: 3px 5px;
  border-bottom: 1px solid var(--table-border);
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════
   STATUS BAR (VS Code style)
═══════════════════════════════════════════════════════ */
.status-bar {
  height: var(--statusbar-h);
  display: flex;
  align-items: center;
  gap: 0;
  background: linear-gradient(90deg, var(--indigo) 0%, var(--purple) 100%);
  flex-shrink: 0;
  position: relative;
  z-index: 100;
  padding: 0 8px;
}
.status-bar-left,
.status-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.status-bar-spacer { flex: 1; }
.status-bar-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  padding: 0 6px;
  height: 100%;
  cursor: default;
  transition: background var(--dur-fast);
  white-space: nowrap;
}
.status-bar-item:hover { background: rgba(0,0,0,0.15); }
.status-bar-item i { font-size: 9px; opacity: 0.8; }
.status-bar-item .api-online { color: #6ee7b7; }
.status-bar-item .api-offline { color: #fca5a5; }

/* ═══════════════════════════════════════════════════════
   INPUT PROMPT MODAL
═══════════════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--modal-backdrop-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fade-in var(--dur-fast) ease;
}
.modal-dialog {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border-h);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 90%;
  max-width: 480px;
  box-shadow: var(--modal-shadow);
  animation: modal-in var(--dur-normal) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}
.modal-dialog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--purple), var(--cyan));
}
@keyframes modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-title i { color: var(--purple); font-size: 14px; }
.modal-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.modal-subtitle code {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--glass-bg);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--cyan);
}
.modal-textarea {
  width: 100%;
  background: var(--modal-textarea-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  min-height: 100px;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--dur-fast);
  margin-bottom: 14px;
}
.modal-textarea:focus { border-color: var(--indigo); }
.modal-select {
  width: 100%;
  background: var(--modal-textarea-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  outline: none;
  box-sizing: border-box;
  transition: border-color var(--dur-fast);
  margin-bottom: 14px;
}
.modal-select:focus { border-color: var(--indigo); }
.modal-select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}
.btn-secondary {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--btn-secondary-bg);
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.btn-secondary:hover { background: var(--btn-secondary-hover-bg); color: var(--text-primary); }
.btn-primary-action {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--indigo), var(--purple));
  color: #fff;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.btn-primary-action:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-danger-action {
  background: linear-gradient(135deg, var(--rose), #be123c) !important;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
  transition: all var(--dur-fast) ease;
}
.btn-danger-action:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 16px rgba(225, 29, 72, 0.4);
}

.modal-dialog.warning-style::before {
  background: linear-gradient(90deg, var(--amber), var(--rose)) !important;
}
.modal-dialog.warning-style .modal-title {
  color: var(--rose) !important;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.modal-warning-icon {
  animation: warning-pulse 2s infinite ease-in-out;
  color: var(--rose) !important;
  font-size: 16px !important;
}

@keyframes warning-pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.22); }
  100% { transform: scale(1); }
}

/* ═══════════════════════════════════════════════════════
   UTILITIES
═══════════════════════════════════════════════════════ */
.hidden { display: none !important; }
.text-success { color: var(--emerald) !important; }
.text-error   { color: var(--rose) !important; }
.text-warning { color: var(--amber) !important; }
.text-muted   { color: var(--text-secondary) !important; }
.text-cyan    { color: var(--cyan) !important; }

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

/* KBD */
kbd {
  font-size: 9px;
  font-family: var(--font-ui);
  background: var(--kbd-bg);
  border: 1px solid var(--glass-border);
  border-bottom-width: 2px;
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text-secondary);
}

/* Tooltip-style hidden select for programmatic language switching */
#languageSelect { display: none; }

/* ═══════════════════════════════════════════════════════
   MOBILE RESPONSIVENESS
═══════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Header Adjustments */
  .app-header {
    height: auto;
    padding: 12px 0;
  }
  .header-content {
    flex-direction: column;
    gap: 12px;
    height: auto;
    align-items: center;
  }
  .header-brand-text {
    align-items: center;
    text-align: center;
  }
  .header-divider, .header-spacer {
    display: none;
  }
  .header-actions {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }
  .lang-selector {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  /* Body and Layout */
  .ide-body {
    flex-direction: column;
  }
  
  /* Sidebar */
  .sidebar {
    width: 100%;
    height: auto;
    flex-direction: row;
    justify-content: center;
    padding: 8px;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
  }
  .sidebar-spacer {
    display: none;
  }
  .sidebar-btn::before {
    display: none;
  }
  
  /* Panels Area */
  .panels-area {
    flex-direction: column;
    overflow-y: auto;
  }
  
  /* Individual Panels */
  .panel-editor, .panel-console {
    flex: 1 0 50vh;
    min-height: 400px;
    border-bottom: 2px solid var(--glass-border);
    overflow: visible;
  }
  
  .panel-editor .panel-topbar,
  .panel-console .panel-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: linear-gradient(var(--panel-topbar-bg), var(--panel-topbar-bg)), var(--bg-surface);
  }

  .file-tabs-container {
    max-width: none;
  }

  .meta-desktop-only {
    display: none;
  }
  
  /* Adjust CodeMirror height for mobile */
  .CodeMirror {
    height: 100%;
  }

  /* Analytics Grid */
  .analytics-grid {
    flex-direction: column;
  }
  
  /* Hide window dots on mobile to save space */
  .window-dots {
    display: none;
  }
}

/* ══════════════════════════════════════
   OUTPUT MODES & SQL TABLES
   ══════════════════════════════════════ */
.output-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.output-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
}

.output-tab-btn:hover {
  color: var(--text-primary);
  background: var(--glass-bg-hover);
}

.output-tab-btn.active {
  color: var(--indigo-light);
  background: var(--indigo-dim);
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

/* Live Web Preview Frame */
.live-preview-frame {
  width: 100%;
  height: 100%;
  min-height: 350px;
  border: none;
  background: #ffffff;
  border-radius: var(--radius-sm);
}

/* SQL Table Output Viewport */
.sql-table-viewport {
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 1rem;
  box-sizing: border-box;
}

.sql-result-card {
  margin-bottom: 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.sql-card-header {
  padding: 8px 14px;
  background: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid var(--glass-border);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.sql-card-body {
  overflow-x: auto;
}

.sql-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.sql-table th {
  background: rgba(0, 0, 0, 0.04);
  padding: 8px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--indigo-light);
  border-bottom: 1px solid var(--glass-border);
}

.sql-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.sql-table tr:hover {
  background: rgba(99, 102, 241, 0.04);
}

/* ══════════════════════════════════════
   MODE SELECTOR & WEB STUDIO SPACE
   ══════════════════════════════════════ */
.mode-selector {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 3px;
}

.mode-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  border: 1px solid transparent;
  background: transparent;
  transition: all var(--dur-normal) var(--ease-snappy);
  white-space: nowrap;
  user-select: none;
}

.mode-pill:hover {
  color: var(--text-primary);
  background: var(--pill-hover-bg);
}

.mode-pill.active {
  background: var(--indigo-dim);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--indigo-light);
  font-weight: 600;
}

html:not([data-theme="dark"]) .mode-selector {
  background: #ffffff;
  border-color: #cbd5e1;
}

html:not([data-theme="dark"]) .mode-pill {
  color: #475569;
}

html:not([data-theme="dark"]) .mode-pill.active {
  background: #e0e7ff;
  color: #4338ca;
  border-color: #a5b4fc;
}

/* Web Studio Workspace Space */
.web-studio-space {
  display: flex;
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.web-editors-panel {
  flex: 0 0 50%;
  display: flex;
  flex-direction: column;
  min-width: 250px;
}

.web-tabs-bar {
  display: flex;
  align-items: center;
  gap: 4px;
}

.web-tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  border: 1px solid transparent;
  background: transparent;
  transition: all var(--dur-fast) var(--ease-snappy);
}

.web-tab-btn:hover {
  color: var(--text-primary);
  background: var(--glass-bg-hover);
}

.web-tab-btn.active {
  color: var(--text-primary);
  background: var(--pill-active-bg);
  border-color: var(--glass-border-h);
  font-weight: 600;
}

.web-editors-container {
  flex: 1;
  display: flex;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.web-editor-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
  border-right: 1px solid var(--glass-border);
}

.web-editors-container.split-mode .web-editor-pane {
  display: flex !important;
}

.pane-header {
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid var(--glass-border);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Web Preview Panel & Device Viewports */
.web-preview-panel {
  flex: 1 1 0%;
  display: flex;
  flex-direction: column;
  min-width: 250px;
}

.device-toggles {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 10px;
  background: rgba(0, 0, 0, 0.15);
  padding: 2px;
  border-radius: var(--radius-sm);
}

.device-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 24px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--dur-fast);
}

.device-btn:hover {
  color: var(--text-primary);
}

.device-btn.active {
  color: var(--indigo-light);
  background: var(--bg-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.web-preview-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background: #090d16;
  overflow: hidden;
  align-items: center;
  justify-content: flex-start;
}

.iframe-container {
  transition: all 0.3s var(--ease-snappy);
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  margin-top: 1rem;
}

.iframe-container.desktop-device {
  width: 100%;
  height: 100%;
  margin-top: 0;
  border-radius: 0;
}

.iframe-container.tablet-device {
  width: 768px;
  height: 85%;
  border-radius: 12px;
  border: 8px solid #1e293b;
}

.iframe-container.mobile-device {
  width: 375px;
  height: 85%;
  border-radius: 20px;
  border: 10px solid #1e293b;
}

.web-studio-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
}

/* Web Console Drawer */
.web-console-drawer {
  width: 100%;
  height: 150px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
}

.drawer-topbar {
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid var(--glass-border);
  font-size: 11px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.drawer-content {
  flex: 1;
  padding: 8px 12px;
  margin: 0;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
  white-space: pre-wrap;
}

/* Mode Badge */
.mode-badge {
  display: inline-block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(99, 102, 241, 0.15);
  color: var(--indigo-light);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 4px;
  font-weight: 700;
}

/* Auto-Run Controls */
.autorun-control {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 8px;
}

.toggle-switch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-switch input {
  display: none;
}

.toggle-slider {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 16px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  transition: background-color 0.2s var(--ease-snappy);
  border: 1px solid var(--glass-border);
}

.toggle-slider::before {
  content: "";
  position: absolute;
  height: 10px;
  width: 10px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.2s var(--ease-snappy);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--indigo);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(12px);
}

/* Small Run Web App Button */
.btn-run-sm {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  border: none;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.btn-run-sm:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* Web Export Dropdown Menu */
.web-download-dropdown {
  position: relative;
  display: inline-block;
}

/* Highlighted & Larger Web Studio Export Button */
.btn-export-highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--indigo-light);
  background: var(--indigo-dim);
  border: 1px solid rgba(99, 102, 241, 0.4);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.15);
}

.btn-export-highlight i {
  font-size: 13px;
}

.btn-export-highlight:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.6);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

html:not([data-theme="dark"]) .btn-export-highlight {
  background: #e0e7ff;
  color: #4338ca;
  border-color: #a5b4fc;
}

html:not([data-theme="dark"]) .btn-export-highlight:hover {
  background: #c7d2fe;
  color: #3730a3;
}

.web-download-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  min-width: 210px;
  z-index: 500;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.web-download-menu.hidden {
  display: none !important;
}

.web-download-menu .menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--dur-fast);
  width: 100%;
}

.web-download-menu .menu-item:hover {
  background: var(--glass-bg-hover);
}

.web-download-menu .menu-item.highlight {
  color: var(--indigo-light);
  font-weight: 600;
  background: var(--indigo-dim);
}

.web-download-menu .menu-item.highlight:hover {
  background: rgba(99, 102, 241, 0.25);
}

.web-download-menu .menu-divider {
  height: 1px;
  background: var(--glass-border);
  margin: 4px 0;
}

/* Mobile Space Switcher Bar (Hidden on Desktop) */
.web-mobile-bar {
  display: none;
}

/* ══════════════════════════════════════
   MOBILE & RESPONSIVE OPTIMIZATION
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .mode-badge {
    display: none;
  }

  .web-studio-space {
    flex-direction: column;
    position: relative;
    height: 100%;
    overflow: hidden;
  }

  .web-editors-panel,
  .web-preview-panel {
    flex: 1 1 100% !important;
    width: 100% !important;
    min-width: 100% !important;
    height: calc(100% - 44px) !important;
    overflow: hidden;
  }

  .web-studio-space.mob-show-preview .web-editors-panel {
    display: none !important;
  }

  .web-studio-space.mob-show-preview .web-preview-panel {
    display: flex !important;
  }

  .web-studio-space.mob-show-editors .web-preview-panel {
    display: none !important;
  }

  .web-preview-body {
    flex: 1;
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .iframe-container {
    flex: 1;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    min-height: 200px;
  }

  .web-studio-iframe {
    width: 100% !important;
    height: 100% !important;
    min-height: 100%;
    display: block;
  }

  #webDragResizer {
    display: none !important;
  }

  .web-tabs-bar {
    overflow-x: auto;
    max-width: 100%;
    padding-bottom: 2px;
  }

  .web-tabs-bar::-webkit-scrollbar {
    display: none;
  }

  /* Mobile Bottom Navigation Bar */
  .web-mobile-bar {
    display: flex;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 44px;
    background: var(--bg-surface);
    border-top: 1px solid var(--glass-border);
    z-index: 200;
  }

  .mobile-bar-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
  }

  .mobile-bar-btn.active {
    color: var(--indigo-light);
    background: var(--indigo-dim);
  }

  .iframe-container.tablet-device,
  .iframe-container.mobile-device {
    width: 100% !important;
    height: 100% !important;
    border: none !important;
    border-radius: 0 !important;
  }
}