/* ============================================================
   The Concept Loopback — Custom CSS
   Augments Tailwind with: scrollbars, glassmorphism, animations,
   diff viewer, syntax highlight overrides, micro-interactions.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── CSS Variables ─────────────────────────────────────── */
:root {
  --bg-base: #08080f;
  --bg-surface: #0d0d1a;
  --bg-elevated: #111128;
  --bg-hover: #16163a;
  --border: #1c1c3a;
  --border-bright: #2a2a5a;
  --accent: #6366f1;
  --accent-glow: #818cf8;
  --accent-dim: rgba(99, 102, 241, 0.15);
  --accent-border: rgba(99, 102, 241, 0.35);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --green: #10b981;
  --green-dim: rgba(16, 185, 129, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);
  --amber: #f59e0b;
  --amber-dim: rgba(245, 158, 11, 0.12);
  --purple: #a855f7;
  --cyan: #06b6d4;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.15);
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  overflow: hidden;
}

/* ─── Custom Scrollbars ─────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-bright);
  border-radius: 99px;
  transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ─── Layout ────────────────────────────────────────────── */
#app {
  display: grid;
  grid-template-rows: 56px 1fr;
  height: 100vh;
}

#header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 100;
}

#workspace {
  display: grid;
  grid-template-columns: 320px 1fr 380px;
  overflow: hidden;
}

.column {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
}

.column:last-child {
  border-right: none;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.column-header h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.column-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ─── Header Components ─────────────────────────────────── */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.endpoint-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px 6px 10px;
  max-width: 480px;
  flex: 1;
}

.endpoint-method {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--green);
  background: var(--green-dim);
  padding: 2px 6px;
  border-radius: 4px;
}

.endpoint-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  cursor: text;
  user-select: all;
}

.btn-copy {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  color: var(--accent-glow);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.btn-copy.copied {
  background: var(--green-dim);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--green);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  transition: background 0.3s;
  flex-shrink: 0;
}

.status-dot.connected {
  background: var(--green);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  animation: pulse-green 2s infinite;
}

/* ─── CLI Tunnel Badge ───────────────────────────────────── */
.cli-tunnel-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px 4px 8px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
  user-select: none;
  flex-shrink: 0;
}

.cli-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s, box-shadow 0.3s;
  flex-shrink: 0;
}

.cli-badge-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color 0.25s;
}

.cli-badge-status {
  color: var(--text-muted);
  transition: color 0.25s;
}

/* Connected state */
.cli-tunnel-badge.cli-connected {
  background: var(--green-dim);
  border-color: rgba(16, 185, 129, 0.35);
}

.cli-tunnel-badge.cli-connected .cli-badge-dot {
  background: var(--green);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

.cli-tunnel-badge.cli-connected .cli-badge-label {
  color: var(--green);
}

.cli-tunnel-badge.cli-connected .cli-badge-status {
  color: var(--green);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.btn-icon {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 14px;
}

.btn-icon:hover {
  background: var(--bg-hover);
  border-color: var(--border-bright);
  color: var(--text-primary);
}

/* ─── Request Log (Left Column) ─────────────────────────── */
#event-list {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.event-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px 10px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  overflow: hidden;
}

.event-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--border);
  border-radius: 4px 0 0 4px;
  transition: background 0.2s, width 0.15s;
}

.event-item:hover {
  background: var(--bg-elevated);
  border-color: var(--border);
}

.event-item:hover::before {
  background: var(--accent);
}

.event-item.active {
  background: var(--accent-dim);
  border-color: var(--accent-border);
}

.event-item.active::before {
  background: var(--accent);
  width: 3px;
}

.event-item.flash-in {
  animation: flash-event 0.5s ease-out;
}

.event-row-top {
  display: flex;
  align-items: center;
  gap: 6px;
}

.method-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.method-POST {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

.method-GET {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.method-DELETE {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
}

.method-PUT {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.method-PATCH {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
}

.method-HEAD {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
}

.event-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.status-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  padding: 2px 5px;
  border-radius: 4px;
  margin-left: auto;
}

.status-2xx {
  background: var(--green-dim);
  color: var(--green);
}

.status-4xx {
  background: var(--amber-dim);
  color: var(--amber);
}

.status-5xx {
  background: var(--red-dim);
  color: var(--red);
}

.event-row-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.event-timestamp {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

.event-type-badge {
  font-size: 9px;
  font-weight: 500;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.type-webhook {
  background: rgba(6, 182, 212, 0.1);
  color: var(--cyan);
}

.type-mock {
  background: rgba(168, 85, 247, 0.1);
  color: var(--purple);
}

/* ─── Empty State ───────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  padding: 40px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 40px;
  opacity: 0.3;
  animation: float 3s ease-in-out infinite;
}

.empty-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.empty-sub {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.7;
  line-height: 1.6;
}

/* ─── Inspector (Center Column) ─────────────────────────── */
#inspector-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.inspector-tabs {
  display: flex;
  gap: 2px;
  padding: 8px 16px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
  white-space: nowrap;
  border-radius: 4px 4px 0 0;
}

.tab-btn:hover {
  color: var(--text-secondary);
}

.tab-btn.active {
  color: var(--accent-glow);
  border-bottom-color: var(--accent);
}

.tab-badge {
  font-size: 9px;
  background: var(--accent-dim);
  color: var(--accent-glow);
  padding: 1px 5px;
  border-radius: 99px;
  font-weight: 600;
}

.tab-badge.new-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
  animation: badge-pulse 1s ease-out;
}

.tab-pane {
  display: none;
  flex: 1;
  overflow: hidden;
}

.tab-pane.active {
  display: flex;
  flex-direction: column;
}

/* Headers Tab */
.headers-search {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 12px;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
}

.search-input:focus {
  border-color: var(--accent);
}

.search-input::placeholder {
  color: var(--text-muted);
}

.headers-grid {
  overflow-y: auto;
  flex: 1;
  padding: 8px;
}

.header-group {
  margin-bottom: 4px;
}

.header-group-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 8px 8px 4px;
}

.header-row {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 5px;
  align-items: start;
  transition: background 0.1s;
}

.header-row:hover {
  background: var(--bg-elevated);
}

.header-key {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-glow);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  word-break: break-all;
  line-height: 1.5;
}

/* Body Tab */
.body-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.toggle-group {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.toggle-btn {
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.12s;
  border: none;
  background: none;
}

.toggle-btn.active {
  background: var(--accent-dim);
  color: var(--accent-glow);
}

.code-wrapper {
  flex: 1;
  overflow: auto;
  position: relative;
}

.code-wrapper pre {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  tab-size: 2;
  white-space: pre;
  margin: 0;
}

/* Override highlight.js background */
.hljs {
  background: transparent !important;
}

/* Diff Tab */
.diff-wrapper {
  flex: 1;
  overflow: auto;
  padding: 8px;
}

.diff-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.diff-no-change {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  flex-direction: column;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

.diff-line {
  display: flex;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  border-radius: 3px;
  margin: 1px 0;
}

.diff-line-num {
  color: var(--text-muted);
  width: 36px;
  text-align: right;
  padding-right: 12px;
  user-select: none;
  flex-shrink: 0;
  font-size: 10px;
  line-height: 1.6;
}

.diff-line-content {
  flex: 1;
  padding: 0 8px;
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-add {
  background: rgba(16, 185, 129, 0.08);
}

.diff-add .diff-line-content {
  color: #6ee7b7;
}

.diff-add .diff-marker {
  color: var(--green);
}

.diff-del {
  background: rgba(239, 68, 68, 0.08);
}

.diff-del .diff-line-content {
  color: #fca5a5;
}

.diff-del .diff-marker {
  color: var(--red);
}

.diff-ctx .diff-line-content {
  color: var(--text-muted);
}

.diff-marker {
  width: 16px;
  flex-shrink: 0;
  text-align: center;
  font-weight: 700;
}

/* ─── AI Studio (Right Column) ───────────────────────────── */
.ai-section {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ai-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.ai-section-title .ai-icon {
  font-size: 14px;
}

.lang-tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}

.lang-tab {
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.12s;
}

.lang-tab.active {
  background: var(--accent);
  color: white;
}

.lang-tab:hover:not(.active) {
  color: var(--text-secondary);
}

.ai-code-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.ai-code-block pre {
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  overflow: auto;
  max-height: 220px;
  white-space: pre;
}

.ai-code-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.ai-code-toolbar span {
  font-size: 10px;
  color: var(--text-muted);
}

.btn-copy-code {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 500;
  color: var(--accent-glow);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 4px;
  padding: 3px 8px;
  cursor: pointer;
  transition: all 0.12s;
}

.btn-copy-code:hover {
  background: var(--accent);
  color: white;
}

.ai-empty {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.6;
}

/* Divider */
.right-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4px 0;
}

/* ─── Mock Spitter ───────────────────────────────────────── */
.mock-section {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.mock-templates {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.template-chip {
  font-size: 10px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  background: var(--bg-elevated);
  transition: all 0.12s;
}

.template-chip:hover {
  border-color: var(--accent-border);
  color: var(--accent-glow);
  background: var(--accent-dim);
}

.mock-editor-wrapper {
  position: relative;
  flex: 1;
  min-height: 160px;
}

.mock-textarea {
  width: 100%;
  height: 100%;
  min-height: 160px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--text-primary);
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
  tab-size: 2;
}

.mock-textarea:focus {
  border-color: var(--accent);
}

.mock-textarea.invalid {
  border-color: var(--red);
  animation: shake 0.3s ease;
}

.mock-textarea.valid {
  border-color: rgba(16, 185, 129, 0.4);
}

.mock-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  padding: 0 2px;
}

.json-validity {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.json-validity.valid {
  color: var(--green);
}

.json-validity.invalid {
  color: var(--red);
}

.btn-fire {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border: none;
  border-radius: var(--radius);
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
}

.btn-fire::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  opacity: 0;
  transition: opacity 0.15s;
}

.btn-fire:hover::before {
  opacity: 1;
}

.btn-fire:active {
  transform: scale(0.98);
}

.btn-fire span {
  position: relative;
  z-index: 1;
}

.btn-fire:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.fire-feedback {
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.3s;
}

.fire-feedback.success {
  color: var(--green);
}

.fire-feedback.error {
  color: var(--red);
}

/* ─── Event Count Badge ─────────────────────────────────── */
.event-count {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 99px;
}

/* ─── Animations ────────────────────────────────────────── */
@keyframes pulse-green {

  0%,
  100% {
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.5);
  }

  50% {
    box-shadow: 0 0 14px rgba(16, 185, 129, 0.9);
  }
}

@keyframes flash-event {
  0% {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent-border);
  }

  100% {
    background: transparent;
    border-color: transparent;
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(-4px);
  }

  40% {
    transform: translateX(4px);
  }

  60% {
    transform: translateX(-3px);
  }

  80% {
    transform: translateX(3px);
  }
}

@keyframes badge-pulse {
  0% {
    transform: scale(1.3);
    opacity: 0.6;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateX(-8px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* ─── Skeleton Loader ───────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* ─── Tooltips ──────────────────────────────────────────── */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e1e3a;
  border: 1px solid var(--border-bright);
  color: var(--text-primary);
  font-size: 10px;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 999;
}

[data-tooltip]:hover::after {
  opacity: 1;
}

/* ─── Connection Banner ─────────────────────────────────── */
#conn-banner {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  box-shadow: var(--shadow);
  z-index: 1000;
  transition: all 0.3s;
  pointer-events: none;
}

#conn-banner.hidden {
  opacity: 0;
  transform: translateY(8px);
}

/* ─── Right column scroll ───────────────────────────────── */
#right-col .column-body {
  overflow-y: auto;
}

/* ─── Responsive adjustments ────────────────────────────── */
@media (max-width: 1100px) {
  #workspace {
    grid-template-columns: 280px 1fr 340px;
  }
}

/* ─── Scrollbar for code blocks ─────────────────────────── */
.code-wrapper::-webkit-scrollbar {
  height: 4px;
  width: 4px;
}

.ai-code-block pre::-webkit-scrollbar {
  height: 4px;
  width: 4px;
}

@keyframes slide-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}