/* ══════════════════════════════════════════════════════════════
   CodeForge – Design System
   ══════════════════════════════════════════════════════════════ */

/* ── Custom Properties ───────────────────────────────────────── */
:root {
  /* Colors – Dark Theme */
  --bg-base:       #0d1117;
  --bg-surface:    #161b22;
  --bg-elevated:   #1c2333;
  --bg-highlight:  #243049;
  --bg-hover:      #2a3550;

  --border:        #30363d;
  --border-subtle: #21262d;

  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #484f58;

  --accent:        #7c3aed;
  --accent-glow:   rgba(124, 58, 237, 0.25);
  --accent-light:  #a78bfa;
  --cyan:          #06b6d4;
  --cyan-glow:     rgba(6, 182, 212, 0.2);
  --green:         #3fb950;
  --green-glow:    rgba(63, 185, 80, 0.2);
  --red:           #f85149;
  --red-glow:      rgba(248, 81, 73, 0.2);
  --yellow:        #e3b341;
  --orange:        #f0883e;

  /* Topbar */
  --topbar-h:      52px;

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

  /* Shadows */
  --shadow-sm:     0 1px 4px rgba(0,0,0,.4);
  --shadow-md:     0 4px 16px rgba(0,0,0,.5);
  --shadow-glow-accent: 0 0 20px var(--accent-glow), 0 0 40px rgba(124,58,237,.1);

  /* Transitions */
  --transition:    0.18s ease;
}

/* Light Theme */
body.light {
  --bg-base:       #f6f8fa;
  --bg-surface:    #ffffff;
  --bg-elevated:   #f0f3f6;
  --bg-highlight:  #dde3ec;
  --bg-hover:      #c8d0dc;
  --border:        #d0d7de;
  --border-subtle: #e8ecf0;
  --text-primary:  #1f2328;
  --text-secondary:#636c76;
  --text-muted:    #9ea7b3;
  --shadow-sm:     0 1px 4px rgba(0,0,0,.1);
  --shadow-md:     0 4px 16px rgba(0,0,0,.12);
}

/* ── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; font-size: 14px; }

body {
  height: 100%;
  font-family: var(--font-ui);
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background var(--transition), color var(--transition);
}

/* ── Topbar ──────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.topbar-left  { display: flex; align-items: center; }
.topbar-center { display: flex; justify-content: center; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  user-select: none;
}
.logo-icon {
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.logo-text { color: var(--text-primary); }
.logo-accent {
  background: linear-gradient(135deg, var(--accent-light), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Language Selector */
.lang-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px 6px 12px;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.lang-selector-wrap:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.lang-icon { font-size: 1.1rem; }
.lang-select {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  appearance: none;
  padding-right: 4px;
}
.lang-select option { background: var(--bg-elevated); }
.select-arrow { color: var(--text-secondary); font-size: 0.75rem; pointer-events: none; }

/* Icon Buttons */
.btn-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-icon:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Run Button */
.btn-run {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  border: none;
  border-radius: 9px;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-glow-accent);
  letter-spacing: 0.02em;
}
.btn-run::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-run:hover { transform: translateY(-1px); box-shadow: 0 0 28px var(--accent-glow), 0 4px 12px rgba(0,0,0,.4); }
.btn-run:hover::before { opacity: 1; }
.btn-run:active { transform: translateY(0); }
.btn-run:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.run-icon { font-size: 0.9rem; }
.run-shortcut {
  font-family: var(--font-code);
  font-size: 0.7rem;
  background: rgba(255,255,255,0.15);
  padding: 2px 5px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.2);
}

/* ── Workspace Layout ────────────────────────────────────────── */
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  overflow: hidden;
  padding: 12px;
  gap: 10px;
}

/* ── Panels ──────────────────────────────────────────────────── */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.panel:hover { border-color: var(--border); }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  flex-shrink: 0;
  min-height: 38px;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Window dots */
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot-red    { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green  { background: #28c840; }

.panel-filename {
  font-family: var(--font-code);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
}

.editor-status {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-code);
}

/* Editor */
.editor-panel { flex: 1; }
#monaco-editor { flex: 1; overflow: hidden; }

/* Right Panel */
.right-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}

/* STDIN */
.stdin-panel { flex: 0 0 180px; }
.stdin-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.stdin-textarea {
  flex: 1;
  background: var(--bg-base);
  color: var(--text-primary);
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-code);
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 12px 14px;
  transition: background var(--transition);
}
.stdin-textarea::placeholder { color: var(--text-muted); }
.stdin-textarea:focus { background: var(--bg-elevated); }

/* Console */
.console-panel { flex: 1; min-height: 0; }
.console-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--green), #16a34a);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.console-output {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px;
  font-family: var(--font-code);
  font-size: 0.82rem;
  line-height: 1.7;
  background: var(--bg-base);
  color: var(--text-primary);
  word-break: break-word;
  white-space: pre-wrap;
}
.console-output::-webkit-scrollbar { width: 6px; }
.console-output::-webkit-scrollbar-track { background: transparent; }
.console-output::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Console content blocks */
.console-block { margin-bottom: 4px; }
.console-stdout { color: var(--text-primary); }
.console-stderr { color: var(--red); }
.console-info   { color: var(--cyan); font-style: italic; }
.console-success{ color: var(--green); }
.console-time   { color: var(--text-muted); font-size: 0.75rem; }

/* Welcome screen */
.console-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}
.welcome-icon {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px var(--accent-glow));
  animation: pulse 3s ease-in-out infinite;
}
.console-welcome p { font-size: 0.85rem; line-height: 1.6; }
.console-welcome kbd {
  display: inline-block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 7px;
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-primary);
}

/* Divider line in console */
.console-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 8px 0;
}

/* Small Buttons */
.btn-small {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-small:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

/* Exit & Runtime Badges */
.exit-badge, .runtime-badge {
  font-family: var(--font-code);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.exit-badge.ok     { background: var(--green-glow);  color: var(--green);  border: 1px solid var(--green); }
.exit-badge.err    { background: var(--red-glow);    color: var(--red);    border: 1px solid var(--red); }
.runtime-badge     { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-subtle); }

/* ── Loading Overlay ─────────────────────────────────────────── */
.run-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,17,23,0.75);
  backdrop-filter: blur(4px);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  z-index: 999;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.run-overlay.active { display: flex; }

.spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Toast ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 0.83rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  white-space: nowrap;
  z-index: 1000;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Animations ──────────────────────────────────────────────── */
@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.console-block { animation: fadeIn 0.15s ease; }

/* ── Scrollbar Global ────────────────────────────────────────── */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }
  .right-panel {
    flex-direction: row;
    max-height: 220px;
  }
  .stdin-panel { flex: 0 0 45%; }
  .run-shortcut { display: none; }
}

/* %% Terminal Mode %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% */
.mode-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: 12px;
  background: var(--bg-elevated);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.mode-toggle label {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.mode-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--border);
  transition: .4s;
  border-radius: 20px;
}

.toggle-slider:before {
  position: absolute;
  content: \

\;
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

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

input:checked + .toggle-slider:before {
  transform: translateX(16px);
}

.mode-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.batch-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.terminal-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.hidden {
  display: none !important;
}

.terminal-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--orange), #c2410c);
  color: #fff;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.xterm-container {
  flex: 1;
  padding: 8px;
  background: #000;
  overflow: hidden;
}

/* Fix xterm inside flex */
.xterm-container .terminal {
  height: 100%;
}



/* ── Panel Tabs ── */
.panel-tabs { display: flex; gap: 8px; background: var(--bg-surface); padding: 6px 12px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.tab-btn { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; padding: 6px 16px; background: transparent; border: 1px solid transparent; border-radius: 6px; color: var(--text-secondary); cursor: pointer; transition: all var(--transition); }
.tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab-btn.active { background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-primary); box-shadow: var(--shadow-sm); }
.batch-wrapper, .terminal-wrapper { display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 10px; }
.hidden { display: none !important; }
.terminal-badge { font-size: 0.65rem; font-weight: 700; background: linear-gradient(135deg, var(--orange), #c2410c); color: #fff; padding: 2px 7px; border-radius: 4px; letter-spacing: 0.05em; }
.xterm-container { flex: 1; padding: 8px; background: #000; overflow: hidden; }
.xterm-container .terminal { height: 100%; }