/* ============================================================
   Codle AI Platform — Premium Dark Theme
   Full glassmorphism + neon glow + smooth animations
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

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

:root {
  --bg-deep:        #03000a;
  --bg-surface:     rgba(13, 10, 25, 0.6);
  --bg-card:        rgba(18, 12, 38, 0.65);
  --bg-glass:       rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);
  --border:         rgba(139, 92, 246, 0.15);
  --border-bright:  rgba(236, 72, 153, 0.45);
  --indigo:         #8b5cf6;
  --indigo-bright:  #a78bfa;
  --indigo-dim:     #6d28d9;
  --violet:         #f472b6;
  --cyan:           #06b6d4;
  --emerald:        #10b981;
  --rose:           #ef4444;
  --amber:          #f59e0b;
  --text-primary:   #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted:     #64748b;
  --glow-indigo:    0 0 25px rgba(139, 92, 246, 0.4), 0 0 50px rgba(139, 92, 246, 0.15);
  --glow-pink:      0 0 25px rgba(236, 72, 153, 0.4);
  --glow-cyan:      0 0 25px rgba(6, 182, 212, 0.4);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

body {
  background: var(--bg-deep) !important;
  font-family: 'Inter', system-ui, sans-serif !important;
  color: var(--text-primary) !important;
  overflow-x: hidden;
}

/* ── Gradio container override ───────────────────────────── */
.gradio-container {
  max-width: 1440px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  background: transparent !important;
  font-family: 'Inter', system-ui, sans-serif !important;
}

.gradio-container > .main {
  padding: 0 24px 48px !important;
}

/* ── Particle canvas (injected by JS) ───────────────────── */
#codle-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Header ──────────────────────────────────────────────── */
#codle-header {
  position: relative;
  background: rgba(6,8,16,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  box-shadow: 0 1px 0 rgba(99,102,241,0.12);
  z-index: 10;
}

#codle-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#codle-title {
  background: linear-gradient(90deg, #a78bfa, #f472b6, #06b6d4) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  font-weight: 800 !important;
  letter-spacing: 3px !important;
  animation: text-glow 4s ease-in-out infinite alternate !important;
}
@keyframes text-glow {
  from { filter: drop-shadow(0 0 2px rgba(139, 92, 246, 0.25)); }
  to { filter: drop-shadow(0 0 10px rgba(236, 72, 153, 0.65)); }
}

/* Remove old subtitle and badges — no longer rendered */
#codle-subtitle,
#codle-badges,
.codle-badge { display: none !important; }

/* ── Glass card base ─────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.glass-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), var(--glow-indigo);
  transform: translateY(-2px);
}

/* ── Section labels ──────────────────────────────────────── */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--indigo-bright);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 14px;
  background: linear-gradient(180deg, var(--indigo), var(--cyan));
  border-radius: 2px;
}

/* ── Tab nav (override Gradio) ───────────────────────────── */
.tab-nav {
  background: rgba(6,8,16,0.8) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  padding: 4px !important;
  margin-bottom: 20px !important;
  backdrop-filter: blur(12px) !important;
}

.tab-nav button {
  background: transparent !important;
  border: none !important;
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  font-size: 0.88rem !important;
  border-radius: var(--radius-sm) !important;
  padding: 8px 18px !important;
  transition: all var(--transition) !important;
  cursor: pointer !important;
}

.tab-nav button:hover {
  background: var(--bg-glass-hover) !important;
  color: var(--text-primary) !important;
}

.tab-nav button.selected {
  background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(56,189,248,0.15)) !important;
  color: var(--indigo-bright) !important;
  box-shadow: 0 0 12px rgba(99,102,241,0.2) !important;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
  background: linear-gradient(270deg, #8b5cf6, #ec4899, #06b6d4) !important;
  background-size: 600% 600% !important;
  animation: gradient-shift 8s ease infinite !important;
  color: #fff !important;
  border: none !important;
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  padding: 11px 24px !important;
  border-radius: var(--radius-sm) !important;
  cursor: pointer !important;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition) !important;
  box-shadow: 0 4px 18px rgba(139,92,246,0.5) !important;
  position: relative !important;
  overflow: hidden !important;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.12));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.01) !important;
  box-shadow: 0 8px 24px rgba(79,70,229,0.65) !important;
  filter: brightness(1.08) !important;
}

.btn-primary:hover::after { opacity: 1; }

.btn-primary:active {
  transform: translateY(0) scale(0.99) !important;
}

.btn-glass {
  background: var(--bg-glass) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-secondary) !important;
  font-weight: 500 !important;
  font-size: 0.88rem !important;
  padding: 9px 18px !important;
  border-radius: var(--radius-sm) !important;
  cursor: pointer !important;
  transition: all var(--transition) !important;
  backdrop-filter: blur(8px) !important;
}

.btn-glass:hover {
  background: var(--bg-glass-hover) !important;
  border-color: var(--border-bright) !important;
  color: var(--text-primary) !important;
  box-shadow: 0 0 12px rgba(99,102,241,0.15) !important;
}

/* ── Inputs & Dropdowns (Gradio override) ────────────────── */
.gr-input, input[type=text], select, textarea,
.block.svelte-1gfkfd6, .wrap.svelte-1gfkfd6 {
  background: rgba(13,17,23,0.9) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
  transition: border-color var(--transition), box-shadow var(--transition) !important;
  font-family: 'Inter', sans-serif !important;
}

.gr-input:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--indigo) !important;
  box-shadow: 0 0 0 2px rgba(99,102,241,0.14) !important;
  outline: none !important;
}

/* ── Code editor ─────────────────────────────────────────── */
.code-editor-wrap .cm-editor {
  background: #060c18 !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  font-family: 'Fira Code', monospace !important;
  font-size: 0.88rem !important;
}

.code-editor-wrap .cm-editor.cm-focused {
  box-shadow: 0 0 0 2px rgba(99,102,241,0.3) !important;
}

/* ── Output markdown ─────────────────────────────────────── */
.output-panel {
  background: rgba(6,8,16,0.9) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  padding: 24px !important;
  min-height: 0;        /* removed forced min-height — content drives height */
  color: var(--text-primary) !important;
  line-height: 1.75 !important;
  font-size: 0.93rem !important;
}

/* Explanation tab still benefits from a comfortable minimum */
#tab-explain .output-panel {
  min-height: 280px;
}

.output-panel h1, .output-panel h2, .output-panel h3 {
  color: var(--indigo-bright) !important;
  border-bottom: 1px solid var(--border) !important;
  padding-bottom: 6px !important;
  margin-bottom: 12px !important;
}

.output-panel code {
  background: rgba(30,41,59,0.8) !important;
  color: var(--cyan) !important;
  padding: 2px 7px !important;
  border-radius: 5px !important;
  font-family: 'Fira Code', monospace !important;
  font-size: 0.85em !important;
}

.output-panel pre {
  background: rgba(4,6,14,0.95) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  padding: 14px !important;
  overflow-x: auto;
}

.output-panel pre code {
  background: transparent !important;
  color: #e2e8f0 !important;
  padding: 0 !important;
}

.output-panel ul, .output-panel ol {
  padding-left: 22px !important;
}

.output-panel li { margin-bottom: 6px !important; }

/* ── Skeleton loader ─────────────────────────────────────── */
.skeleton-block {
  background: linear-gradient(90deg,
    rgba(30,41,59,0.5) 25%,
    rgba(51,65,85,0.6) 50%,
    rgba(30,41,59,0.5) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-sm);
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
}

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Toast notifications ─────────────────────────────────── */
#codle-toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.codle-toast {
  background: rgba(13,17,23,0.96);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  color: var(--text-primary);
  font-size: 0.87rem;
  font-weight: 500;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), var(--glow-indigo);
  pointer-events: auto;
  animation: toast-in 0.3s cubic-bezier(0.34,1.56,0.64,1) forwards;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 340px;
}

.codle-toast.toast-success { border-color: rgba(52,211,153,0.45); }
.codle-toast.toast-error   { border-color: rgba(248,113,113,0.45); }
.codle-toast.toast-info    { border-color: rgba(99,102,241,0.45); }

@keyframes toast-in {
  from { opacity:0; transform:translateX(40px) scale(0.9); }
  to   { opacity:1; transform:translateX(0) scale(1); }
}

@keyframes toast-out {
  from { opacity:1; transform:translateX(0) scale(1); }
  to   { opacity:0; transform:translateX(40px) scale(0.9); }
}

/* ── Complexity dashboard ────────────────────────────────── */
#complexity-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.complexity-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  padding: 14px 12px !important;
  text-align: center;
  transition: all var(--transition) !important;
  cursor: default;
}

.complexity-card:hover {
  border-color: var(--border-bright) !important;
  box-shadow: 0 6px 20px rgba(139,92,246,0.28), var(--glow-indigo) !important;
  transform: translateY(-4px) scale(1.02) !important;
}

.complexity-card .badge-O {
  font-family: 'Fira Code', monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--indigo-bright);
  display: block;
  margin-bottom: 4px;
}

.complexity-card .badge-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Complexity class color mapping */
.complexity-card.class-constant    .badge-O { color: var(--emerald); }
.complexity-card.class-log         .badge-O { color: var(--cyan); }
.complexity-card.class-linear      .badge-O { color: var(--indigo-bright); }
.complexity-card.class-linearithmic .badge-O { color: var(--violet); }
.complexity-card.class-quadratic   .badge-O { color: var(--amber); }
.complexity-card.class-exponential .badge-O { color: var(--rose); }

/* ── Complexity chart — only visible after analysis ──────── */
#complexity-chart-wrap {
  position: relative;
  width: 100%;
  height: 0;
  border: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: rgba(6,8,16,0.9);
  border-radius: var(--radius-md);
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1), border 0.4s cubic-bezier(0.16, 1, 0.3, 1), margin 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* JS adds .has-chart to reveal it */
#complexity-chart-wrap.has-chart {
  height: 220px !important;
  border: 1px solid var(--border) !important;
  margin-top: 16px !important;
  margin-bottom: 16px !important;
}


#complexity-chart-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* ── Complexity output panel — no wasted min-height ─────── */
#cx-output-wrap .output-panel,
.cx-report-panel {
  min-height: 0 !important;
}

/* ── Complexity placeholder text ─────────────────────────── */
.cx-placeholder {
  color: rgba(148,163,184,0.45);
  text-align: center;
  padding: 28px 16px;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ── Execution flow canvas ───────────────────────────────── */
#flow-canvas-container {
  position: relative;
  width: 100%;
  background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(34,211,238,0.06) 0%, transparent 60%),
              rgba(6,8,16,0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 480px;
}

#flow-canvas-container canvas {
  display: block;
  width: 100% !important;
  height: 480px !important;
}

.flow-controls {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(6,8,16,0.8);
  border-top: 1px solid var(--border);
  align-items: center;
  flex-wrap: wrap;
}

.flow-controls label {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.flow-speed-slider {
  -webkit-appearance: none;
  width: 100px;
  height: 4px;
  background: linear-gradient(90deg, var(--indigo) var(--val, 50%), rgba(30,41,59,0.8) var(--val, 50%));
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.flow-speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--indigo-bright);
  box-shadow: 0 0 8px var(--indigo);
  cursor: pointer;
}

/* ── Code translator split view ──────────────────────────── */
.translator-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 768px) {
  .translator-split { grid-template-columns: 1fr; }
}

.split-pane-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  display: inline-block;
}

.split-pane-label.original  { background: rgba(99,102,241,0.15); color: #a5b4fc; }
.split-pane-label.converted { background: rgba(34,211,238,0.12); color: #67e8f9; }

/* ── Export toolbar ──────────────────────────────────────── */
.export-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

/* ── Command palette ─────────────────────────────────────── */
#codle-cmd-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,6,14,0.85);
  z-index: 10000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  backdrop-filter: blur(8px);
}

#codle-cmd-overlay.open { display: flex; }

#codle-cmd-box {
  background: rgba(13,17,23,0.98);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  width: 540px;
  max-width: 90vw;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), var(--glow-indigo);
  overflow: hidden;
  animation: cmd-in 0.2s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes cmd-in {
  from { opacity:0; transform:scale(0.92) translateY(-16px); }
  to   { opacity:1; transform:scale(1) translateY(0); }
}

#codle-cmd-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
}

.cmd-item {
  padding: 10px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background var(--transition);
  font-size: 0.88rem;
}

.cmd-item:hover, .cmd-item.selected {
  background: var(--bg-glass-hover);
}

.cmd-item .cmd-icon { font-size: 1.1rem; width: 22px; text-align: center; }
.cmd-item .cmd-label { color: var(--text-primary); }
.cmd-item .cmd-shortcut {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(30,41,59,0.6);
  padding: 2px 7px;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
}

/* ── Kbd hint strip ──────────────────────────────────────── */
#codle-kbd-strip {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 10px 0;
  border-top: 1px solid rgba(30,41,59,0.4);
  margin-top: 8px;
}

kbd {
  background: rgba(30,41,59,0.7);
  border: 1px solid rgba(51,65,85,0.6);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: 'Fira Code', monospace;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* Duplicate complexity chart wrap styling removed to support collapsible layout */

/* ── Gradio label override ───────────────────────────────── */
label.svelte-1b6s6s, .svelte-1gfkfd6 > label {
  color: var(--text-secondary) !important;
  font-size: 0.82rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.3px !important;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.55); }

/* ── Checkbox override ───────────────────────────────────── */
input[type=checkbox] {
  accent-color: var(--indigo) !important;
  width: 16px !important;
  height: 16px !important;
}

/* ── File download button ────────────────────────────────── */
.gr-file-preview {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text-primary) !important;
}

/* ── Fade-in utility ─────────────────────────────────────── */
.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  #codle-header { padding: 14px 18px; }
  #codle-title  { font-size: 1.35rem; }
  .gradio-container > .main { padding: 0 12px 32px !important; }
}

@media (max-width: 600px) {
  #codle-badges { display: none; }
  .flow-controls { flex-direction: column; align-items: flex-start; }
}

/* Hide Gradio footer (Use via API, Built with Gradio, Settings) */
footer, .footer, .built-with-gradio, [class*="footer"] {
  display: none !important;
}

/* Glass card styling for layouts */
.glass-card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  backdrop-filter: blur(16px) !important;
  -webkit-backdrop-filter: blur(16px) !important;
  padding: 24px !important;
  margin-bottom: 24px !important;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition) !important;
}

.glass-card:hover {
  border-color: var(--border-bright) !important;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), var(--glow-indigo) !important;
  transform: translateY(-2px) !important;
}

/* Premium styling for Gradio Examples & Datasets */
.gr-samples, .gr-examples, div[class*="examples-container"] {
  background: transparent !important;
  border: none !important;
  margin-top: 16px !important;
}

.gr-samples table, .gr-examples table, table[class*="table"] {
  background: var(--bg-card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  width: 100% !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3) !important;
}

.gr-samples th, .gr-examples th, th[class*="table-header"] {
  background: rgba(6,8,16,0.92) !important;
  color: var(--indigo-bright) !important;
  font-weight: 700 !important;
  font-size: 0.8rem !important;
  text-transform: uppercase !important;
  letter-spacing: 1.2px !important;
  padding: 14px 20px !important;
  border-bottom: 1px solid var(--border) !important;
  text-align: left !important;
}

.gr-samples td, .gr-examples td, td[class*="table-cell"] {
  padding: 14px 20px !important;
  color: var(--text-secondary) !important;
  border-bottom: 1px solid rgba(99,102,241,0.08) !important;
  background: rgba(13,17,23,0.3) !important;
  transition: all var(--transition) !important;
  font-size: 0.85rem !important;
}

.gr-samples tr:last-child td, .gr-examples tr:last-child td {
  border-bottom: none !important;
}

.gr-samples tr:hover td, .gr-examples tr:hover td {
  background: rgba(99,102,241,0.06) !important;
  color: var(--text-primary) !important;
  cursor: pointer !important;
}

/* Glowing outline for inputs on focus */
.gr-input:focus, input:focus, select:focus, textarea:focus, .cm-editor.cm-focused {
  border-color: var(--indigo-bright) !important;
  box-shadow: 0 0 15px rgba(99,102,241,0.38) !important;
}