/* ========== BLUE/BLACK/WHITE THEME ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-deep: #0a0c12;
  --bg-surface: #0f121b;
  --bg-elevated: #141824;
  --border-dim: #232838;
  --border-blue: #2e3a5c;
  --blue-primary: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.25);
  --blue-soft: #5f9eff;
  --white-pure: #ffffff;
  --white-muted: #eef2ff;
  --gray-300: #cbd5e1;
  --gray-500: #94a3b8;
  --gray-700: #475569;
  --accent-success: #22c55e;
  --accent-error: #ef4444;
  --mono: "JetBrains Mono", "Fira Code", monospace;
  --ui: "Space Mono", "SF Mono", monospace;
  --head: "Syne", "Inter", system-ui;
}

body {
  background: var(--bg-deep);
  color: var(--white-muted);
  font-family: var(--ui);
  font-size: 13px;
  height: 100vh;
  overflow: hidden;
}

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--blue-primary);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--blue-soft);
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* HEADER */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  padding: 0 24px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 34px;
  height: 34px;
  background: var(--blue-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--head);
  font-weight: 800;
  font-size: 15px;
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.logo-text {
  font-family: var(--head);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff, var(--blue-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.logo-sub {
  font-size: 9px;
  color: var(--gray-500);
  letter-spacing: 0.5px;
  margin-top: -2px;
}
.status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  padding: 4px 12px;
  border-radius: 40px;
  border: 1px solid var(--border-blue);
}
.live-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-success);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-success);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}
.badge-label {
  font-size: 10px;
  color: var(--gray-300);
}
.header-right {
  font-size: 11px;
  color: var(--gray-500);
}
.header-right strong {
  color: var(--blue-primary);
}

/* TOOLBAR */
.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-dim);
  flex-shrink: 0;
  overflow-x: auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  color: var(--gray-300);
  font-family: var(--ui);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
  fill: currentColor;
}
.btn:hover {
  border-color: var(--blue-primary);
  color: var(--white-pure);
  background: var(--bg-deep);
}
.btn-primary {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: white;
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 2px 10px var(--blue-glow);
  transform: translateY(-1px);
}
.divider {
  width: 1px;
  height: 22px;
  background: var(--border-dim);
  margin: 0 6px;
}

/* WORKSPACE */
.workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}
.editor-pane {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  border-right: 1px solid var(--border-dim);
  background: var(--bg-surface);
}
.pane-header {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-dim);
  font-size: 10px;
}
.pane-title {
  color: var(--blue-soft);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.pane-info {
  color: var(--gray-500);
}
.editor-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
}
.line-nums {
  padding: 14px 8px 14px 14px;
  background: var(--bg-deep);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--gray-700);
  text-align: right;
  min-width: 48px;
  user-select: none;
  white-space: pre;
  border-right: 1px solid var(--border-dim);
}
#editor {
  flex: 1;
  padding: 14px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  background: var(--bg-surface);
  color: var(--white-muted);
  border: none;
  outline: none;
  resize: none;
  white-space: pre-wrap;
  caret-color: var(--blue-primary);
}
#editor::selection {
  background: rgba(59, 130, 246, 0.25);
}

.console-pane {
  display: flex;
  flex-direction: column;
  width: 42%;
  min-width: 300px;
  background: var(--bg-deep);
}
.console-header {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-dim);
}
.ctab {
  font-size: 10px;
  color: var(--blue-soft);
  background: var(--bg-surface);
  padding: 2px 12px;
  border-radius: 20px;
}
.console-hint {
  font-size: 9px;
  color: var(--gray-500);
}
#console-out {
  flex: 1;
  padding: 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.65;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.cout-line {
  display: block;
  animation: fadeIn 0.1s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.cout-sys {
  color: var(--gray-500);
}
.cout-out {
  color: var(--white-muted);
}
.cout-err {
  color: var(--accent-error);
}
.cout-ok {
  color: var(--accent-success);
}
.cout-prompt {
  color: var(--blue-soft);
}
.cout-input {
  color: #a78bfa;
  font-style: italic;
}

.input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-dim);
}
.input-row label {
  font-size: 10px;
  color: var(--blue-soft);
  font-weight: bold;
}
#runtime-input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  padding: 6px 10px;
  border-radius: 8px;
  color: white;
  font-family: var(--mono);
  font-size: 12px;
}
.input-submit {
  background: var(--blue-primary);
  border: none;
  padding: 5px 14px;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  font-size: 10px;
}
.run-badge {
  display: none;
  position: absolute;
  bottom: 12px;
  right: 16px;
  background: rgba(59, 130, 246, 0.2);
  backdrop-filter: blur(4px);
  padding: 5px 12px;
  border-radius: 30px;
  border: 1px solid var(--blue-primary);
  color: var(--blue-soft);
  font-size: 10px;
  gap: 6px;
}
.run-badge.show {
  display: flex;
}
.run-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--blue-primary);
  border-radius: 50%;
  animation: pulse 1s infinite;
}

.statusbar {
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
  height: 26px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-dim);
  font-size: 10px;
  align-items: center;
  color: var(--gray-500);
}
.sb-lang {
  background: rgba(59, 130, 246, 0.15);
  padding: 2px 8px;
  border-radius: 12px;
  color: var(--blue-soft);
}
.sb-ok {
  color: var(--accent-success);
}
.sb-err {
  color: var(--accent-error);
}
.sb-info {
  color: var(--blue-soft);
}

/* AI MODAL */
.ai-panel {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 18, 0.9);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.ai-panel.open {
  opacity: 1;
  pointer-events: all;
}
.ai-box {
  width: min(520px, 90vw);
  background: var(--bg-elevated);
  border: 1px solid var(--border-blue);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}
.ai-box-head {
  display: flex;
  justify-content: space-between;
  padding: 18px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-dim);
}
.ai-box-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-primary);
}
.ai-sub {
  font-size: 10px;
  color: var(--gray-500);
  margin-top: 4px;
}
.ai-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  color: var(--gray-300);
  cursor: pointer;
}
.ai-body {
  padding: 20px;
}
#ai-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  padding: 12px;
  color: white;
  font-family: var(--mono);
  font-size: 13px;
  resize: vertical;
}
.ai-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}
.ai-chip {
  background: var(--bg-surface);
  border: 1px solid var(--border-dim);
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 10px;
  cursor: pointer;
}
.ai-chip:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
}
.btn-ai-go {
  background: var(--blue-primary);
  border: none;
  padding: 8px 22px;
  border-radius: 30px;
  color: white;
  font-weight: bold;
  cursor: pointer;
}
.ai-status {
  margin-top: 12px;
  font-size: 11px;
  min-height: 24px;
  color: var(--blue-soft);
}

/* EXAMPLES DROPDOWN */
.ex-wrap {
  position: relative;
}
.ex-menu {
  display: none;
  position: absolute;
  top: 38px;
  left: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-blue);
  border-radius: 12px;
  width: 240px;
  z-index: 200;
  box-shadow: 0 12px 28px black;
}
.ex-menu.open {
  display: block;
}
.ex-item {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-dim);
  cursor: pointer;
}
.ex-item:hover {
  background: var(--bg-surface);
}
.ex-item-name {
  font-size: 12px;
  font-weight: 500;
}
.ex-item-desc {
  font-size: 9px;
  color: var(--gray-500);
}
.ex-menu-head {
  padding: 8px 12px;
  font-size: 9px;
  color: var(--blue-soft);
}

@media (max-width: 700px) {
  .workspace {
    flex-direction: column;
  }
  .console-pane {
    width: 100%;
    min-width: auto;
  }
  .btn span:not(.no-mobile) {
    display: none;
  }
}