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

:root {
  /* Colors - Deep Space & Neon */
  --bg-app: #050509;
  --bg-panel: rgba(20, 25, 40, 0.4);
  --bg-panel-hover: rgba(30, 35, 50, 0.5);

  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shine: rgba(255, 255, 255, 0.03);
  --glass-blur: 16px;

  /* Brand Colors */
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.4);
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  /* Spacing & Radius */
  --gap: 16px;
  --radius-lg: 24px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

/* =========================================
   2. Reset & Global Styles
   ========================================= */
* {
  box-sizing: border-box;
  outline: none;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  /* Abstract modern background */
  background-image:
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 25%);
  color: var(--text-main);
  overflow: hidden;
  /* App-like feel */
  display: flex;
  flex-direction: column;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* =========================================
   3. Header & Navigation
   ========================================= */
header {
  height: 70px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(5, 5, 9, 0.6);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.container.row {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 15px var(--primary-glow);
  position: relative;
}

/* Fake logo icon */
.logo::after {
  content: '{ }';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: bold;
  font-size: 1.2rem;
  color: white;
}

.title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #fff, #94a3b8);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Header Buttons */
.btn,
.btn-secondary {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
  border: 1px solid transparent;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--glass-border);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* =========================================
   4. Bento Grid Layout
   ========================================= */
main.bento-grid {
  flex: 1;
  padding: var(--gap);
  display: grid;
  gap: var(--gap);
  /* By default 3 col layout: Task | Editors | Preview+Output */
  grid-template-columns: 320px 1fr 400px;
  grid-template-rows: 1fr 1fr;
  grid-template-areas:
    "task editors preview"
    "task editors output";
  height: calc(100vh - 70px);
  max-width: 1920px;
  margin: 0 auto;
  width: 100%;
}

/* Responsive adjustments */
@media (max-width: 1400px) {
  main.bento-grid {
    grid-template-columns: 280px 1fr;
    grid-template-rows: 1fr 1fr;
    grid-template-areas:
      "editors preview"
      "editors output";
    /* Task becomes hidden or toggleable? For now, let's stack it safely or keep 3 cols with smaller widths */
    /* Let's try to fit task in */
    grid-template-columns: 260px 1fr 340px;
    grid-template-areas:
      "task editors preview"
      "task editors output";
  }
}

@media (max-width: 1100px) {
  main.bento-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr 1fr;
    grid-template-areas:
      "task task"
      "editors editors"
      "preview output";
    height: auto;
    /* Allow Scroll */
    overflow-y: auto;
  }
}

@media (max-width: 768px) {
  main.bento-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "task"
      "editors"
      "preview"
      "output";
  }
}

/* Grid Area Assignments */
.task-area {
  grid-area: task;
}

.editor-area {
  grid-area: editors;
}

.preview-area {
  grid-area: preview;
}

.output-area {
  grid-area: output;
}


/* =========================================
   5. Glass Panels & Components
   ========================================= */
.glass-panel {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  /* Highlight top */
  backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  transition: transform 0.2s, border-color 0.2s;
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.panel-header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.2);
}

.panel-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-header h2::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.panel-content {
  padding: 20px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* =========================================
   6. Component Specifics
   ========================================= */

/* Inputs & Textareas */
.glass-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 12px;
  border-radius: var(--radius-md);
  resize: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.2s, background 0.2s;
}

.glass-input:focus {
  border-color: var(--primary);
  background: rgba(0, 0, 0, 0.4);
}

#assignment {
  flex: 1;
  min-height: 150px;
}

#testArea {
  height: 100px;
}

/* Editor Area specific */
.editor-container {
  flex: 1;
  position: relative;
  background: #1e1e2e;
  /* Ace Dracula approximation base */
}

.editor-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

.editor-wrap[hidden] {
  display: none;
}

.editor {
  flex: 1;
  width: 100%;
  height: 100%;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: 10px;
}

.tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.tab:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.tab.active {
  background: rgba(59, 130, 246, 0.2);
  color: var(--primary);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

/* Action Buttons */
.btn-icon {
  background: linear-gradient(135deg, var(--success), #059669);
  border: none;
  border-radius: 8px;
  width: auto;
  padding: 0 12px;
  height: 32px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-icon:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.btn-ghost:hover {
  color: white;
  border-color: white;
}

/* Preview Area */
.preview-container {
  flex: 1;
  background: white;
  position: relative;
}

.preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: white;
}

/* Console Area */
.console-out {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #a7f3d0;
  padding: 16px;
  flex: 1;
  overflow-y: auto;
  line-height: 1.5;
  white-space: pre-wrap;
}

.btn-small {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
}

.btn-small:hover {
  background: rgba(245, 158, 11, 0.2);
}

/* Helpers */
.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.small-text {
  font-size: 0.75rem;
  margin-top: auto;
}

.kbd {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* Footer (if used) */
.footer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 10px;
  border-top: 1px solid var(--glass-border);
  background: rgba(5, 5, 9, 0.8);
}
/* Magic Button */
.btn-magic {
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  margin: 10px 0;
}
.btn-magic:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6);
}
.btn-magic .sparkle-icon {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}