/* ═══════════════════════════════════════════════════════════════
   DevForge — styles.css
   Full stylesheet: reset, variables, layout, components, animations
═══════════════════════════════════════════════════════════════ */

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

:root {
  /* Color palette */
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2128;
  --surface3: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;

  /* Accent colors */
  --cyan: #58a6ff;
  --cyan-dim: #1f3a5f;
  --amber: #d29922;
  --amber-dim: #3d2e00;
  --green: #3fb950;
  --green-dim: #0d2e14;
  --red: #f85149;
  --red-dim: #3d0e0a;
  --purple: #bc8cff;
  --purple-dim: #2d1f5e;
  --pink: #ff7b72;
  --orange: #f0641e;

  /* Typography */
  --font-code: "JetBrains Mono", monospace;
  --font-ui: "Inter", sans-serif;
  --fs: 13px;

  /* Layout */
  --sidebar-w: 272px;
  --header-h: 52px;
}

html,
body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--fs);
}

/* ══════════════════════════════════════════════
   SCROLLBARS
══════════════════════════════════════════════ */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Focus-visible ring for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
  outline: none;
}

/* ══════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════ */
header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 200;
  position: relative;
  gap: 12px;
}

.logo {
  font-family: var(--font-code);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  letter-spacing: -0.5px;
}

.logo-icon {
  display: inline-block;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.92);
  }
}

.header-center {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
}

/* Language tab buttons */
.tab-btn {
  padding: 5px 13px;
  border-radius: 5px;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.75rem;
  font-weight: 600;
  background: transparent;
  color: var(--muted);
  transition: all 0.15s;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.tab-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border);
}
.tab-btn.active {
  background: var(--cyan-dim);
  color: var(--cyan);
  border-color: var(--cyan);
}

.tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

/* Challenge indicator badge */
.challenge-indicator {
  display: none;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 12px;
  background: var(--amber-dim);
  border: 1px solid var(--amber);
  font-size: 0.68rem;
  font-family: var(--font-code);
  color: var(--amber);
}
.challenge-indicator.show {
  display: flex;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Autorun toggle */
.autorun-wrap {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}
.toggle {
  width: 28px;
  height: 15px;
  background: var(--border);
  border-radius: 8px;
  position: relative;
  transition: background 0.2s;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle.on {
  background: var(--cyan);
}
.toggle::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: left 0.2s;
}
.toggle.on::after {
  left: 15px;
}

/* Progress bar */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.72rem;
  color: var(--muted);
}
.progress-bar {
  width: 80px;
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 3px;
  transition: width 0.6s ease;
}

/* Generic icon buttons */
.icon-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
  flex-shrink: 0;
}
.icon-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--muted);
}
.icon-btn.active {
  background: var(--purple-dim);
  color: var(--purple);
  border-color: var(--purple);
}

/* Run button */
.run-btn {
  padding: 6px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-code);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  flex-shrink: 0;
  transition: all 0.18s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.run-btn:hover {
  background: #79b8ff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(88, 166, 255, 0.35);
}
.run-btn:active {
  transform: translateY(0);
  box-shadow: none;
}
.run-btn.running {
  background: var(--amber);
  color: #000;
}

/* ══════════════════════════════════════════════
   WORKSPACE LAYOUT
══════════════════════════════════════════════ */
.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr 4px 1fr;
  height: calc(100vh - var(--header-h));
  overflow: hidden;
}

/* ══════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════ */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  grid-column: 1;
}

.sidebar-head {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-title {
  font-size: 0.72rem;
  font-family: var(--font-code);
  color: var(--muted);
  letter-spacing: 1.8px;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 2px;
}
.sidebar-close-btn:hover {
  color: var(--text);
}

/* Search input */
.search-wrap {
  position: relative;
}
.search-input {
  width: 100%;
  padding: 6px 10px 6px 28px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  outline: none;
  transition: border-color 0.15s;
}
.search-input:focus {
  border-color: var(--cyan);
}
.search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.8rem;
  pointer-events: none;
}
.search-clear {
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  display: none;
  background: none;
  border: none;
  line-height: 1;
}

/* Lesson list */
.lesson-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.chapter {
  margin-bottom: 4px;
}
.chapter-label {
  font-size: 0.72rem;
  font-family: var(--font-code);
  color: var(--amber);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 8px 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.chapter-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 9px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s;
  border: 1px solid transparent;
  margin-bottom: 2px;
}
.lesson-item:hover {
  background: var(--surface2);
  border-color: var(--border);
}
.lesson-item.active {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}
.lesson-item.done .lesson-dot {
  background: var(--green);
  box-shadow: 0 0 5px var(--green);
}
.lesson-item.active .lesson-dot {
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
}

.lesson-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
  transition: all 0.3s;
}

.lesson-meta {
  flex: 1;
  min-width: 0;
}
.lesson-title {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lesson-item.active .lesson-title {
  color: var(--cyan);
  font-weight: 500;
}

.lesson-tag {
  font-size: 0.66rem;
  font-family: var(--font-code);
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  display: inline-block;
  margin-top: 2px;
}
.tag-HTML {
  background: rgba(240, 100, 30, 0.15);
  color: var(--orange);
}
.tag-CSS {
  background: rgba(88, 166, 255, 0.15);
  color: var(--cyan);
}
.tag-JS {
  background: rgba(210, 153, 34, 0.15);
  color: var(--amber);
}

/* Sidebar footer */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.xp-label {
  font-size: 0.68rem;
  color: var(--muted);
  font-family: var(--font-code);
}
.xp-val {
  color: var(--purple);
  font-weight: 600;
}

/* Sidebar toggle (mobile) */
.sidebar-toggle {
  display: none;
  font-size: 1rem;
}

/* Responsive: mobile < 768px */
@media (max-width: 768px) {
  .sidebar-toggle {
    display: flex;
  }
  .sidebar-close-btn {
    display: inline-flex;
  }
  .workspace {
    grid-template-columns: 0 1fr 4px 1fr !important;
  }
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    z-index: 150;
    width: var(--sidebar-w);
    transform: translateX(0);
    transition: transform 0.25s ease;
  }
  .sidebar.collapsed {
    transform: translateX(-100%);
  }
  .sidebar.collapsed ~ .editor-panel {
    grid-column: 1 / span 3;
  }
  .resizer {
    display: none;
  }
  .preview-panel {
    grid-column: 3;
  }
  .header-center {
    gap: 3px;
  }
  .tab-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  .progress-wrap {
    display: none;
  }
  .lesson-pane {
    height: 140px;
  }
  .console-pane {
    height: 100px;
  }
  .preview-size-btns {
    display: none;
  }
}

/* ══════════════════════════════════════════════
   EDITOR PANEL
══════════════════════════════════════════════ */
.editor-panel {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  grid-column: 2;
}

/* File tabs (index.html / index.css / index.js) */
.panel-tabs {
  display: flex;
  align-items: stretch;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  min-height: 36px;
  overflow-x: auto;
}
.file-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  font-family: var(--font-code);
  font-size: 0.75rem;
  cursor: pointer;
  border-right: 1px solid var(--border);
  border-bottom: 2px solid transparent;
  transition: all 0.12s;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.file-tab:hover {
  background: var(--surface3);
  color: var(--text);
}
.file-tab.active {
  background: var(--bg);
  color: var(--text);
  border-bottom-color: var(--cyan);
}
.file-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

/* Editor + line numbers */
.editor-wrap {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
  min-height: 0;
}

.line-nums {
  padding: 14px 0;
  background: var(--surface2);
  border-right: 1px solid var(--border);
  font-family: var(--font-code);
  font-size: var(--fs);
  line-height: 1.65;
  color: var(--muted);
  text-align: right;
  user-select: none;
  min-width: 44px;
  overflow: hidden;
  flex-shrink: 0;
}
.line-nums span {
  display: block;
  padding: 0 10px;
}

.editor-inner {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* Syntax highlight layer (under textarea) —
   MUST match textarea pixel-for-pixel: same font, size, padding,
   line-height, white-space, and overflow behaviour.
   word-break must NOT be set (causes cursor/text misalignment). */
.code-highlight {
  position: absolute;
  inset: 0;
  padding: 14px 16px;
  font-family: var(--font-code);
  font-size: var(--fs);
  line-height: 1.65;
  pointer-events: none;
  /* white-space: pre keeps newlines and spaces exactly like the textarea */
  white-space: pre;
  /* overflow must be hidden — scrolling is driven by the textarea via JS */
  overflow: hidden;
  /* NO word-break here — any wrapping difference breaks cursor alignment */
  color: var(--text);
  /* Prevent the highlight layer from affecting layout */
  box-sizing: border-box;
  margin: 0;
  border: none;
  /* Must sit behind the textarea */
  z-index: 1;
}

/* The actual editable textarea (text is transparent — highlight shows through) */
.code-editor {
  position: absolute;
  inset: 0;
  padding: 14px 16px;
  background: transparent;
  font-family: var(--font-code);
  font-size: var(--fs);
  line-height: 1.65;
  /* Text transparent so highlight layer shows through */
  color: transparent;
  caret-color: var(--cyan);
  border: none;
  outline: none;
  resize: none;
  /* Both axes scrollable; JS syncs highlight layer on scroll */
  overflow-y: auto;
  overflow-x: auto;
  tab-size: 2;
  /* white-space: pre — MUST match highlight layer exactly */
  white-space: pre;
  /* Textarea on top so it receives all mouse/keyboard events */
  z-index: 2;
  box-sizing: border-box;
  margin: 0;
  /* Prevent any browser-default spellcheck underlining shifting layout */
  -webkit-text-fill-color: transparent;
}
.code-editor::selection {
  background: rgba(88, 166, 255, 0.25);
}
.code-editor::-moz-selection {
  background: rgba(88, 166, 255, 0.25);
}

/* ── SYNTAX HIGHLIGHT TOKEN COLORS ── */
.tok-kw {
  color: #ff7b72;
} /* keywords */
.tok-str {
  color: #a5d6ff;
} /* strings / template literals */
.tok-num {
  color: #79c0ff;
} /* numbers */
.tok-cmt {
  color: #8b949e;
  font-style: italic;
} /* comments */
.tok-fn {
  color: #d2a8ff;
} /* function calls */
.tok-tag {
  color: #7ee787;
} /* html tags */
.tok-attr {
  color: #79c0ff;
} /* html attributes */
.tok-val {
  color: #a5d6ff;
} /* attribute values */
.tok-prop {
  color: #79c0ff;
} /* css properties */
.tok-sel {
  color: #d2a8ff;
} /* css selectors */
.tok-unit {
  color: #ffd700;
} /* css values/units */
.tok-bool {
  color: #ff7b72;
} /* true / false / null */
.tok-cls {
  color: #ffa657;
} /* class names */
.tok-punct {
  color: #8b949e;
} /* brackets, semicolons */

/* ── LESSON PANE (instruction area, collapsible) ── */
.lesson-pane {
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: height 0.25s ease;
  height: 210px;
}
.lesson-pane.collapsed {
  height: 36px;
}

.lesson-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 36px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.lesson-pane-title {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.collapse-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: transform 0.25s;
}
.lesson-pane.collapsed .collapse-btn {
  transform: rotate(180deg);
}

.lesson-content {
  padding: 12px 14px;
  overflow-y: auto;
  flex: 1;
}
.lesson-content h2 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.lesson-content p {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 7px;
}
.lesson-content code {
  font-family: var(--font-code);
  font-size: 0.75rem;
  background: var(--surface2);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--amber);
}
.lesson-content em {
  color: var(--text);
  font-style: italic;
}
.lesson-content strong {
  color: var(--text);
}

.hint-box {
  background: var(--cyan-dim);
  border-left: 3px solid var(--cyan);
  border-radius: 0 5px 5px 0;
  padding: 7px 11px;
  margin-top: 7px;
  font-size: 0.76rem;
  color: var(--text);
  font-family: var(--font-code);
  line-height: 1.6;
}
.challenge-box {
  background: var(--amber-dim);
  border-left: 3px solid var(--amber);
  border-radius: 0 5px 5px 0;
  padding: 7px 11px;
  margin-top: 7px;
  font-size: 0.76rem;
  color: var(--amber);
  font-family: var(--font-code);
  line-height: 1.6;
}

/* ── LESSON NAVIGATION ── */
.lesson-nav {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
  justify-content: space-between;
  align-items: center;
}
.nav-btn {
  padding: 5px 12px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.73rem;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-btn:hover:not(:disabled) {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--muted);
}
.nav-btn:disabled {
  opacity: 0.35;
  cursor: default;
}
.nav-btn.primary {
  background: var(--cyan-dim);
  color: var(--cyan);
  border-color: var(--cyan);
}
.lesson-pos {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: var(--font-code);
}

/* ══════════════════════════════════════════════
   DRAG RESIZER
══════════════════════════════════════════════ */
.resizer {
  grid-column: 3;
  background: var(--border);
  cursor: col-resize;
  transition: background 0.15s;
  position: relative;
  z-index: 10;
}
.resizer:hover,
.resizer.dragging {
  background: var(--cyan);
}

/* ══════════════════════════════════════════════
   PREVIEW PANEL
══════════════════════════════════════════════ */
.preview-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  grid-column: 4;
}

.preview-head {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 36px;
  flex-shrink: 0;
}
.preview-label {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: livePulse 2.5s ease-in-out infinite;
}
@keyframes livePulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.preview-actions {
  display: flex;
  gap: 5px;
  align-items: center;
}

.preview-size-btns {
  display: flex;
  gap: 2px;
}
.size-btn {
  padding: 3px 7px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.65rem;
  font-family: var(--font-code);
  transition: all 0.12s;
}
.size-btn:hover {
  background: var(--surface);
  color: var(--text);
}
.size-btn.active {
  background: var(--surface3);
  color: var(--cyan);
  border-color: var(--cyan);
}

/* iframe wrapper */
.preview-iframe-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background: var(--bg);
}
.preview-iframe {
  border: none;
  background: white;
  transition: all 0.3s;
  width: 100%;
  height: 100%;
}
.preview-iframe.tablet {
  max-width: 768px;
}
.preview-iframe.mobile {
  max-width: 390px;
  box-shadow: 0 0 0 1px var(--border);
}

/* Running overlay */
.preview-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: var(--font-code);
  color: var(--cyan);
  font-size: 0.82rem;
  gap: 8px;
}
.preview-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan-dim);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ══════════════════════════════════════════════
   CONSOLE
══════════════════════════════════════════════ */
.console-pane {
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: height 0.25s;
  height: 130px;
}
.console-pane.collapsed {
  height: 36px;
}

.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 36px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  background: var(--surface2);
}
.console-label {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 7px;
}
.console-badge {
  background: var(--red);
  color: #fff;
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 0.62rem;
  display: none;
}
.console-actions {
  display: flex;
  gap: 4px;
  align-items: center;
}
.tiny-btn {
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.65rem;
  font-family: var(--font-code);
  transition: color 0.12s;
}
.tiny-btn:hover {
  color: var(--text);
}

.console-body {
  flex: 1;
  overflow-y: auto;
  padding: 6px 12px;
  font-family: var(--font-code);
  font-size: 0.74rem;
  line-height: 1.75;
}
.log-line {
  display: flex;
  gap: 6px;
}
.log-line.err {
  color: var(--red);
}
.log-line.warn {
  color: var(--amber);
}
.log-line.info {
  color: var(--cyan);
}
.log-prefix {
  color: var(--muted);
  user-select: none;
  flex-shrink: 0;
}
.log-ts {
  color: var(--surface3);
  user-select: none;
  flex-shrink: 0;
  font-size: 0.65rem;
  margin-top: 2px;
}

/* ══════════════════════════════════════════════
   FLOATING PANELS
══════════════════════════════════════════════ */

/* Keyboard shortcuts */
.shortcuts-panel {
  position: fixed;
  top: 60px;
  right: 16px;
  z-index: 300;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  width: 260px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  transform: scale(0.95) translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s;
}
.shortcuts-panel.show {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: all;
}
.shortcuts-panel h3 {
  font-family: var(--font-code);
  font-size: 0.75rem;
  color: var(--cyan);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.shortcut-row:last-child {
  border-bottom: none;
}
.shortcut-desc {
  font-size: 0.75rem;
  color: var(--muted);
}
.shortcut-keys {
  display: flex;
  gap: 3px;
}
.kbd {
  padding: 2px 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--font-code);
  font-size: 0.65rem;
  color: var(--text);
}

/* Font size panel */
.fs-panel {
  position: fixed;
  top: 60px;
  right: 52px;
  z-index: 300;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  width: 160px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
  transform: scale(0.95);
  opacity: 0;
  pointer-events: none;
  transition: all 0.18s;
}
.fs-panel.show {
  transform: scale(1);
  opacity: 1;
  pointer-events: all;
}
.fs-panel label {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: var(--font-code);
  display: block;
  margin-bottom: 6px;
}
.fs-slider {
  width: 100%;
  accent-color: var(--cyan);
}
.fs-val {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--cyan);
}

/* ══════════════════════════════════════════════
   TOAST NOTIFICATION
══════════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 999;
  padding: 10px 16px;
  border-radius: 8px;
  font-family: var(--font-code);
  font-size: 0.78rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  transform: translateY(16px);
  opacity: 0;
  transition: all 0.25s;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast.success {
  border-color: var(--green);
}
.toast.error {
  border-color: var(--red);
}
.toast.warn {
  border-color: var(--amber);
}
.toast-icon {
  font-size: 1rem;
}

/* ══════════════════════════════════════════════
   RESET MODAL
══════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  max-width: 380px;
  width: 90%;
  transform: scale(0.95);
  transition: transform 0.2s;
}
.modal-overlay.show .modal {
  transform: scale(1);
}
.modal h3 {
  font-family: var(--font-code);
  color: var(--text);
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.modal p {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.65;
}
.modal-btns {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}
.btn-cancel {
  padding: 7px 14px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.76rem;
}
.btn-cancel:hover {
  color: var(--text);
  border-color: var(--muted);
}
.btn-confirm {
  padding: 7px 14px;
  border-radius: 5px;
  border: none;
  background: var(--red);
  color: #fff;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.76rem;
}

/* ══════════════════════════════════════════════
   COMPLETION BANNER
══════════════════════════════════════════════ */
.completion-banner {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.completion-banner.show {
  opacity: 1;
  pointer-events: all;
}
.completion-card {
  background: var(--surface);
  border: 1px solid var(--green);
  border-radius: 16px;
  padding: 36px 40px;
  text-align: center;
  max-width: 420px;
  box-shadow: 0 0 60px rgba(63, 185, 80, 0.2);
  transform: scale(0.9);
  transition: transform 0.3s;
}
.completion-banner.show .completion-card {
  transform: scale(1);
}
.completion-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 12px;
  animation: bounceIn 0.5s ease;
}
@keyframes bounceIn {
  0% {
    transform: scale(0);
  }
  70% {
    transform: scale(1.15);
  }
  100% {
    transform: scale(1);
  }
}
.completion-card h2 {
  font-family: var(--font-code);
  color: var(--green);
  margin-bottom: 8px;
  font-size: 1.1rem;
}
.completion-card p {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 20px;
  line-height: 1.6;
}
.completion-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-green {
  padding: 9px 20px;
  border-radius: 6px;
  border: none;
  background: var(--green);
  color: #000;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.8rem;
  font-weight: 600;
}
.btn-outline {
  padding: 9px 20px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 0.8rem;
}
.btn-outline:hover {
  color: var(--text);
  border-color: var(--muted);
}

/* ══════════════════════════════════════════════
   CONFETTI
══════════════════════════════════════════════ */
.confetti-piece {
  position: fixed;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  animation: confettiFall linear forwards;
  pointer-events: none;
  z-index: 700;
}
@keyframes confettiFall {
  0% {
    transform: translateY(-20px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

/* ══════════════════════════════════════════════
   GLITCH ANIMATION  (used on tab switch)
══════════════════════════════════════════════ */
@keyframes glitch {
  0% {
    clip-path: inset(30% 0 65% 0);
    transform: translateX(-3px);
  }
  25% {
    clip-path: inset(70% 0 10% 0);
    transform: translateX(3px);
  }
  50% {
    clip-path: inset(10% 0 80% 0);
    transform: translateX(-2px);
  }
  75% {
    clip-path: inset(55% 0 35% 0);
    transform: translateX(2px);
  }
  100% {
    clip-path: inset(0 0 0 0);
    transform: translateX(0);
  }
}
.glitch-in {
  animation: glitch 0.35s steps(1) forwards;
}