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

/* Theme Design Tokens */
:root, [data-theme="dark"] {
  --bg-color: #030303;
  --text-main: #f5f5f7;
  --text-muted: #86868b;
  --border-color: rgba(255, 255, 255, 0.08);
  
  --card-bg: #09090b;
  --editor-bg: #060608;
  --preview-bg: #0b0b0d;
  --canvas-dots: rgba(255, 255, 255, 0.035);
  --radial-glow-color: rgba(245, 158, 11, 0.06);
  
  --action-btn-border: rgba(255, 255, 255, 0.15);
  --action-btn-text: #f5f5f7;
  --action-btn-bg-hover: #ffffff;
  --action-btn-text-hover: #000000;
  
  --sun-display: block;
  --moon-display: none;

  --badge-border: rgba(168, 85, 247, 0.25);
  --badge-color: #c084fc;
  --badge-bg: rgba(168, 85, 247, 0.02);

  /* Code Editor Variables (Dark Theme) */
  --editor-header-bg: rgba(255, 255, 255, 0.005);
  --code-text: #f5f5f7;
  --code-tag: #ff6b8b;
  --code-attr: #4ecdc4;
  --code-val: #a55eea;
  --line-number-color: rgba(255, 255, 255, 0.15);
  --panel-title-color: #86868b;
  --copy-btn-color: #86868b;
  --copy-btn-hover-color: #ffffff;
}

[data-theme="light"] {
  --bg-color: #f6f6f9;
  --text-main: #1d1d1f;
  --text-muted: #6e6e73;
  --border-color: rgba(0, 0, 0, 0.08);
  
  --card-bg: #ffffff;
  --editor-bg: #fafafa; /* Editor panel background changes to light gray */
  --preview-bg: #fafafa;
  --canvas-dots: rgba(0, 0, 0, 0.04);
  --radial-glow-color: rgba(245, 158, 11, 0.04);
  
  --action-btn-border: rgba(0, 0, 0, 0.15);
  --action-btn-text: #1d1d1f;
  --action-btn-bg-hover: #1d1d1f;
  --action-btn-text-hover: #ffffff;
  
  --sun-display: none;
  --moon-display: block;

  --badge-border: rgba(147, 51, 234, 0.2);
  --badge-color: #7e22ce;
  --badge-bg: rgba(147, 51, 234, 0.03);

  /* Code Editor Variables (Light Theme) */
  --editor-header-bg: rgba(0, 0, 0, 0.01);
  --code-text: #24292e;
  --code-tag: #d73a49;
  --code-attr: #005cc5;
  --code-val: #6f42c1;
  --line-number-color: #959da5;
  --panel-title-color: #6a737d;
  --copy-btn-color: #6a737d;
  --copy-btn-hover-color: #1d1d1f;
}

/* Global Variables */
:root {
  --accent-color: #f59e0b; /* Golden Yellow */
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-theme: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* Base Settings */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  transition: var(--transition-theme);
}

/* Subtle, Elegant Background Light */
.radial-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--radial-glow-color) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
  transition: var(--transition-theme);
}

/* Page Flex Container */
.page-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
}

/* Top Action Controls (Theme Toggle) */
.top-controls {
  position: absolute;
  top: 2rem;
  right: 2rem;
  z-index: 10;
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .theme-toggle:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.15);
}

.theme-toggle .sun-icon {
  display: var(--sun-display);
}

.theme-toggle .moon-icon {
  display: var(--moon-display);
}

/* Hero Wrapper */
.hero-wrapper {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 6rem 1.5rem 4rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Header Badge */
.status-header {
  margin-bottom: 1.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  border: 1px solid var(--badge-border);
  color: var(--badge-color);
  background: var(--badge-bg);
  transition: var(--transition-theme);
}

/* Typography */
.brand-title {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  color: var(--accent-color);
  transition: var(--transition-theme);
}

.accent {
  color: var(--accent-color);
}

.tagline {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
  transition: var(--transition-theme);
}

.description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 3.5rem;
  line-height: 1.65;
  transition: var(--transition-theme);
}

/* Interactive Code Card Dashboard */
.demo-section {
  width: 100%;
  max-width: 780px;
  margin-bottom: 3rem;
}

.interactive-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.3);
  transition: var(--transition-theme);
}

[data-theme="dark"] .interactive-card {
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.8);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-theme);
}

.mac-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .dot {
  background-color: rgba(0, 0, 0, 0.12);
}

.filename {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: var(--transition-theme);
}

/* Dashboard Panel Layout */
.card-body {
  display: flex;
  transition: var(--transition-theme);
}

.editor-panel {
  flex: 1.3;
  display: flex;
  flex-direction: column;
  background: var(--editor-bg);
  border-right: 1px solid var(--border-color);
  transition: var(--transition-theme);
}

.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--preview-bg);
  transition: var(--transition-theme);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--editor-header-bg);
  min-height: 38px;
  transition: var(--transition-theme);
}

.panel-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--panel-title-color);
  transition: var(--transition-theme);
}

/* Code Container & Editor Style */
.code-container {
  padding: 1.5rem 1.25rem;
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  flex: 1;
  background: var(--editor-bg);
}

.line-numbers {
  display: flex;
  flex-direction: column;
  text-align: right;
  color: var(--line-number-color);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  user-select: none;
  transition: var(--transition-theme);
}

.code-display, .code-display code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--code-text);
  margin: 0;
  background: transparent;
  border: none;
  white-space: pre;
  transition: var(--transition-theme);
}

/* Code coloring tokens */
.tag { color: var(--code-tag); transition: var(--transition-theme); }
.attr { color: var(--code-attr); transition: var(--transition-theme); }
.val { color: var(--code-val); transition: var(--transition-theme); }
.txt { color: var(--code-text); font-weight: 500; transition: var(--transition-theme); }

/* Canvas Live View */
.canvas {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(var(--canvas-dots) 1px, transparent 1px);
  background-size: 16px 16px;
  min-height: 180px;
  padding: 1.5rem;
  background-color: var(--preview-bg);
  transition: var(--transition-theme);
}

.live-action {
  width: 100%;
  display: flex;
  justify-content: center;
}

/* Elegant Outlined Action Button */
.action-btn {
  background: transparent;
  border: 1px solid var(--action-btn-border);
  color: var(--action-btn-text);
  padding: 0.65rem 1.5rem;
  border-radius: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

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

/* Copy Button */
.copy-btn {
  background: transparent;
  border: none;
  color: var(--copy-btn-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.725rem;
  font-family: var(--font-sans);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.copy-btn:hover {
  color: var(--copy-btn-hover-color);
  background: rgba(128, 128, 128, 0.08);
}

/* Distinct Footer Styles */
.footer {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

.footer-divider {
  height: 1px;
  background-color: var(--border-color);
  width: 100%;
  margin-bottom: 1.5rem;
  transition: var(--transition-theme);
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
}

.copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: -0.01em;
  transition: var(--transition-theme);
}

/* Responsiveness adjustments */
@media (max-width: 768px) {
  .top-controls {
    top: 1.5rem;
    right: 1.5rem;
  }

  .hero-wrapper {
    padding: 5rem 1.5rem 3rem 1.5rem;
  }

  .brand-title {
    font-size: 3rem;
  }

  .card-body {
    flex-direction: column;
  }

  .editor-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .canvas {
    min-height: 140px;
  }
}

@media (max-width: 576px) {
  .top-controls {
    top: 1.25rem;
    right: 1.25rem;
  }

  .hero-wrapper {
    padding: 4rem 1rem 2rem 1rem;
  }
  
  .brand-title {
    font-size: 2.5rem;
  }
  
  .tagline {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
  }
  
  .description {
    font-size: 0.95rem;
    margin-bottom: 2rem;
  }
  
  .demo-section {
    margin-bottom: 2rem;
  }

  .footer {
    padding: 0 1rem 2.5rem 1rem;
  }
}

@media (max-width: 480px) {
  .brand-title {
    font-size: 2.15rem;
  }
  
  .footer-content {
    text-align: center;
  }
}