/* ============================================================
   EDITOR.CSS — Editor page styles (single source of truth)
   LiveJS Playground © 2025
   ============================================================ */

html, body {
  height: 100%;
  overflow: hidden;
}

/* ── TOPBAR ── */
.editor-topbar {
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
  flex-shrink: 0;
  user-select: none;
}

.tb-logo {
  display: flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 700;
  background: linear-gradient(135deg, #22d3ee, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.tb-logo:hover { opacity: 0.8; }
.tb-logo span {
  background: linear-gradient(135deg, #22d3ee, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tb-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
  flex-shrink: 0;
}

/* Back button — neutral ghost */
.tb-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 30px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--sans);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.tb-back-btn:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border-strong);
}

/* Save indicator */
.tb-save-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  border: 1px solid transparent;
  transition: all 0.3s;
  white-space: nowrap;
  flex-shrink: 0;
}
.save-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background 0.3s;
  flex-shrink: 0;
}
.tb-save-indicator.saving  { color: var(--text-muted); }
.tb-save-indicator.saving .save-dot  { background: var(--yellow); animation: pulse 1s infinite; }
.tb-save-indicator.saved   {
  color: var(--green);
  border-color: rgba(52,211,153,0.2);
  background: rgba(52,211,153,0.06);
}
.tb-save-indicator.saved .save-dot   { background: var(--green); }
.tb-save-indicator.unsaved {
  color: var(--yellow);
  border-color: rgba(251,191,36,0.2);
  background: rgba(251,191,36,0.06);
}
.tb-save-indicator.unsaved .save-dot { background: var(--yellow); }

.tb-spacer { flex: 1; min-width: 8px; }

/* Theme select — neutral */
.tb-select {
  appearance: none;
  -webkit-appearance: none;
  height: 30px;
  padding: 0 26px 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%236b6b8a' d='M5 7L0 2h10z'/%3E%3C/svg%3E") no-repeat right 8px center;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--sans);
  cursor: pointer;
  outline: none;
  transition: all 0.15s;
  min-width: 115px;
  flex-shrink: 0;
}
.tb-select:hover { border-color: var(--border-strong); color: var(--text); }
.tb-select:focus { border-color: var(--accent); color: var(--text); outline: none; }
.tb-select option { background: #14141c; color: #f0f0f8; }
body.light .tb-select option { background: #f0f1f8; color: #0d0d1a; }

/* Mode toggle — neutral icon button */
.tb-mode-btn {
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.tb-mode-btn:hover { background: var(--surface3); color: var(--text); border-color: var(--border-strong); }

/* Auto-run — plain label + switch */
.tb-autorun {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.tb-autorun:hover { color: var(--text); }

/* Run button — primary CTA */
.tb-run-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 16px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--sans);
  white-space: nowrap;
  flex-shrink: 0;
}
.tb-run-btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.tb-run-btn:active { transform: translateY(0); }
.tb-run-btn kbd {
  font-family: var(--mono);
  font-size: 10px;
  opacity: 0.55;
  background: rgba(255,255,255,0.15);
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 400;
}

/* Download button — ghost secondary */
.tb-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--sans);
  transition: all 0.15s;
  flex-shrink: 0;
}
.tb-download-btn:hover {
  background: var(--surface3);
  color: var(--text);
  border-color: var(--border-strong);
}

/* ── EDITOR LAYOUT ── */
.editor-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 48px);
}

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

/* Language tabs */
.panel-tabs {
  height: 38px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  padding: 0 8px;
  gap: 2px;
  flex-shrink: 0;
}

.panel-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  font-size: 12px;
  font-family: var(--sans);
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
  white-space: nowrap;
  background: transparent;
  border-top: none;
  border-left: none;
  border-right: none;
}
.panel-tab:hover { color: var(--text-secondary); background: var(--surface2); }
.panel-tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  background: var(--surface2);
  font-weight: 600;
}

.panel-tab .tab-lang {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tab-lang-html { background: rgba(239,68,68,0.15); color: #f87171; }
.tab-lang-css  { background: rgba(59,130,246,0.15); color: #60a5fa; }
.tab-lang-js   { background: rgba(168,85,247,0.15); color: #c084fc; }

/* Unsaved dots */
.lang-tabs { position: relative; }
.tab-unsaved {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--red);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  top: 7px;
}
#dot-html { left:  47px; }
#dot-css  { left: 131px; }
#dot-js   { left: 211px; }

.tab-label { font-size: 12px; color: var(--text-muted); }
.panel-tab.active .tab-label { color: var(--text-secondary); }

#monaco-editor { flex: 1; overflow: hidden; }

/* Bracket Pair Colorization — Enhanced */
.monaco-editor .bracket-pair-colorizer-1 {
  border-color: #f87171 !important;
  opacity: 0.8;
}
.monaco-editor .bracket-pair-colorizer-2 {
  border-color: #60a5fa !important;
  opacity: 0.8;
}
.monaco-editor .bracket-pair-colorizer-3 {
  border-color: #34d399 !important;
  opacity: 0.8;
}
.monaco-editor .bracket-pair-colorizer-4 {
  border-color: #fbbf24 !important;
  opacity: 0.8;
}
.monaco-editor .bracket-pair-colorizer-5 {
  border-color: #a78bfa !important;
  opacity: 0.8;
}
.monaco-editor .bracket-pair-colorizer-6 {
  border-color: #f97316 !important;
  opacity: 0.8;
}

/* Bracket pair guides — more visible */
.monaco-editor .bracket-guides {
  border-color: rgba(99, 102, 241, 0.3) !important;
  border-width: 1px !important;
}
.monaco-editor .bracket-guides.active {
  border-color: rgba(99, 102, 241, 0.6) !important;
  border-width: 2px !important;
}

/* Dark mode enhancement */
body:not(.light) .monaco-editor .bracket-pair-colorizer-1 { border-color: #f87171; }
body:not(.light) .monaco-editor .bracket-pair-colorizer-2 { border-color: #60a5fa; }
body:not(.light) .monaco-editor .bracket-pair-colorizer-3 { border-color: #34d399; }
body:not(.light) .monaco-editor .bracket-pair-colorizer-4 { border-color: #fbbf24; }
body:not(.light) .monaco-editor .bracket-pair-colorizer-5 { border-color: #a78bfa; }
body:not(.light) .monaco-editor .bracket-pair-colorizer-6 { border-color: #f97316; }

/* Light mode */
body.light .monaco-editor .bracket-pair-colorizer-1 { border-color: #dc2626; }
body.light .monaco-editor .bracket-pair-colorizer-2 { border-color: #2563eb; }
body.light .monaco-editor .bracket-pair-colorizer-3 { border-color: #059669; }
body.light .monaco-editor .bracket-pair-colorizer-4 { border-color: #d97706; }
body.light .monaco-editor .bracket-pair-colorizer-5 { border-color: #7c3aed; }
body.light .monaco-editor .bracket-pair-colorizer-6 { border-color: #ea580c; }

/* ── DIVIDER ── */
.editor-divider {
  width: 1px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  position: relative;
  transition: background 0.15s;
}
.editor-divider::after {
  content: '';
  position: absolute;
  inset: 0 -6px;
}
.editor-divider:hover,
.editor-divider.dragging { background: var(--accent); width: 2px; }

/* ── OUTPUT PANEL ── */
.output-panel {
  width: 40%;
  min-width: 220px;
  max-width: 75%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
  border-left: 1px solid var(--border);
}

.output-header {
  height: 38px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 4px;
  flex-shrink: 0;
}

.output-tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  padding: 0 12px;
  font-size: 12px;
  font-family: var(--sans);
  color: var(--text-muted);
  font-weight: 500;
  border: none;
  background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.output-tab-btn:hover { color: var(--text-secondary); background: var(--surface2); }
.output-tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--violet);
  background: var(--surface2);
  font-weight: 600;
}

.output-tab-btn .tab-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--violet);
  flex-shrink: 0;
}
.preview-tab-icon { font-size: 12px; }

#log-count {
  font-size: 11px;
  color: var(--red);
  font-family: var(--mono);
  font-weight: 700;
  padding: 2px 7px;
  background: rgba(248,113,113,0.1);
  border-radius: 4px;
  border: 1px solid rgba(248,113,113,0.2);
}

.output-actions { margin-left: auto; display: flex; gap: 6px; align-items: center; }

.out-action-btn {
  height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--sans);
  transition: all 0.15s;
}
.out-action-btn:hover {
  background: var(--surface2);
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

/* Output panes */
.out-pane {
  display: none;
  flex: 1;
  overflow: hidden;
  flex-direction: column;
}
.out-pane.active { display: flex; }

/* Console pane */
#console-pane {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg);
  padding: 4px 0;
}

/* Preview pane */
#preview-pane {
  position: relative;
  background: #fff;
}
#preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #fff;
}
.preview-loading {
  position: absolute;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--mono);
}
.preview-loading-inner { display: flex; align-items: center; gap: 10px; }
.preview-spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Console log lines ── */
.log-line {
  display: flex;
  align-items: flex-start;
  padding: 7px 14px;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  min-height: 30px;
  font-size: 13px;
  line-height: 1.5;
  font-family: var(--mono);
  transition: background 0.1s;
}
body.light .log-line { border-bottom-color: var(--border); }

.log-line:hover { background: var(--surface2); }

.log-icon {
  flex-shrink: 0;
  width: 16px;
  color: var(--text-dim);
  font-size: 12px;
  padding-top: 1px;
  text-align: center;
  font-weight: 700;
}

.log-content {
  flex: 1;
  word-break: break-word;
  white-space: pre-wrap;
  color: var(--text-secondary);
}

/* Type variants */
.log-line.log   .log-icon  { color: var(--cyan); }
.log-line.warn  .log-icon  { color: var(--yellow); }
.log-line.error .log-icon,
.log-line.err   .log-icon  { color: var(--red); }
.log-line.info  .log-icon  { color: var(--blue); }

.log-line.log   .log-content { color: var(--text); }
.log-line.warn  .log-content { color: var(--yellow); }
.log-line.error .log-content,
.log-line.err   .log-content { color: var(--red); }
.log-line.info  .log-content { color: var(--blue); }

body.light .log-line.log   .log-icon  { color: var(--cyan); }
body.light .log-line.warn  .log-icon  { color: var(--yellow); }
body.light .log-line.error .log-icon,
body.light .log-line.err   .log-icon  { color: var(--red); }
body.light .log-line.info  .log-icon  { color: var(--blue); }

body.light .log-line.warn  .log-content { color: var(--yellow); }
body.light .log-line.error .log-content,
body.light .log-line.err   .log-content { color: var(--red); }
body.light .log-line.info  .log-content { color: var(--blue); }

/* Value colors (type-colored output) */
.v-str   { color: #f97316; }
.v-num   { color: var(--green); }
.v-bool  { color: var(--violet); font-weight: 600; }
.v-null  { color: var(--text-dim); font-style: italic; }
.v-undef { color: var(--text-dim); font-style: italic; }
.v-key   { color: var(--blue); }
.v-fn    { color: var(--yellow); }
.v-obj   { color: var(--cyan); }
.v-arr   { color: var(--cyan); }

body.light .v-str   { color: #c2410c; }
body.light .v-num   { color: var(--green); }
body.light .v-bool  { color: var(--violet); }
body.light .v-null  { color: var(--text-muted); }
body.light .v-undef { color: var(--text-muted); }
body.light .v-key   { color: var(--blue); }
body.light .v-fn    { color: var(--yellow); }
body.light .v-obj,
body.light .v-arr   { color: var(--cyan); }

/* Empty state */
#empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-dim);
  gap: 10px;
  font-size: 13px;
  pointer-events: none;
  font-family: var(--mono);
  padding: 40px;
  text-align: center;
}
.empty-icon {
  font-size: 40px;
  margin-bottom: 4px;
  opacity: 0.5;
}
.empty-hint-key {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-dim);
}
.empty-hint-key kbd {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
}

/* ── STATUS BAR ── */
.status-bar {
  height: 24px;
  background: var(--surface2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-muted);
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
.status-bar.status-ok  {
  background: rgba(52,211,153,0.08);
  color: var(--green);
  border-top-color: rgba(52,211,153,0.2);
}
.status-bar.status-err {
  background: rgba(248,113,113,0.08);
  color: var(--red);
  border-top-color: rgba(248,113,113,0.2);
}

.sb-indicator {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
}
.status-bar.status-ok  .sb-indicator { background: var(--green); }
.status-bar.status-err .sb-indicator { background: var(--red); }

#status-time { opacity: 0.7; font-size: 10px; }

.sb-lang-badge {
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  background: var(--border);
  color: var(--text-muted);
}
.status-bar.status-ok  .sb-lang-badge,
.status-bar.status-err .sb-lang-badge { background: rgba(255,255,255,0.1); color: inherit; }

.sb-lang-html { background: rgba(239,68,68,0.2) !important; color: #f87171 !important; }
.sb-lang-css  { background: rgba(59,130,246,0.2) !important; color: #60a5fa !important; }
.sb-lang-js   { background: rgba(168,85,247,0.2) !important; color: #c084fc !important; }

/* Preview source badge */
.log-source-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--accent-subtle);
  color: var(--accent-light);
  border: 1px solid rgba(99,102,241,0.25);
  margin-left: 6px;
  flex-shrink: 0;
  align-self: center;
  text-transform: uppercase;
  font-family: var(--mono);
  letter-spacing: 0.2px;
}

/* ── ANIMATIONS ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ── RESPONSIVE ── */
@media (max-width: 760px) {
  .tb-save-indicator .save-text { display: none; }
  .tb-save-indicator { padding: 3px 6px; }
}
@media (max-width: 520px) {
  .tb-save-indicator { display: none; }
  .tab-label { display: none; }
  #dot-html { left: 27px; }
  #dot-css  { left: 73px; }
  #dot-js   { left: 111px; }
}
@media (max-width: 680px) {
  .tb-run-btn kbd { display: none; }
  .tb-autorun span:last-child { display: none; }
}

/* ── DOWNLOAD MODAL ── */
.download-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  transition: background 0.2s;
  opacity: 0;
  pointer-events: none;
}
.download-modal-backdrop.open {
  background: rgba(0,0,0,0.6);
  opacity: 1;
  pointer-events: auto;
}

.download-modal-content {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 480px;
  padding: 28px;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.download-modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 20px 0;
}

.download-modal-group { margin-bottom: 20px; }

.download-modal-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.download-toggle-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.download-toggle-item:hover {
  background: var(--surface3);
  border-color: var(--border-strong);
}

.download-checkbox {
  width: 16px; height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}

.download-toggle-label {
  flex: 1;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
}

.download-modal-status {
  padding: 10px 12px;
  background: rgba(52,211,153,0.08);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-sm);
  color: var(--green);
  font-size: 13px;
  margin-bottom: 20px;
}

.download-modal-buttons {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.download-modal-btn {
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--sans);
}

.download-modal-btn.cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.download-modal-btn.cancel:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--border-strong);
}

.download-modal-btn.download {
  background: var(--accent);
  border: none;
  color: #fff;
}
.download-modal-btn.download:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}