:root {
  --bg-primary: #0a0c10;
  --bg-surface: #11141a;
  --bg-card: #161b22;
  --border-color: #30363d;
  --border-hover: #58a6ff;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* NAVBAR */
.navbar {
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-text strong {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}

.nav-btn:hover {
  border-color: var(--border-hover);
  background: rgba(88, 166, 255, 0.1);
}

/* HERO */
.hero-section {
  padding: 2.5rem 0 4rem;
  flex: 1;
}

.hero-container {
  text-align: center;
  max-width: 760px;
  margin-bottom: 2rem;
}

.badge-pill {
  display: inline-block;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: #93c5fd;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* TEMPLATE SELECTOR */
.template-selector-container {
  max-width: 1200px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0 1.5rem;
}

.template-selector-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.template-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.template-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.template-pill:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.template-pill.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
  color: #93c5fd;
  box-shadow: 0 0 12px var(--accent-glow);
}

/* GRID LAYOUT */
.generator-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .generator-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.section-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

/* FORMS */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

input[type="text"] {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

input[type="text"]:focus {
  border-color: var(--accent);
}

.skills-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-chip {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s;
}

.skill-chip.active {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--accent);
  color: #93c5fd;
  font-weight: 600;
}

/* GIF PRESETS */
.gif-presets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.gif-preset-card {
  position: relative;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/9;
  background: var(--bg-card);
  transition: all 0.2s ease;
}

.gif-preset-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gif-preset-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.4);
}

.gif-preset-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.75);
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
  padding: 2px 4px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mt-2 {
  margin-top: 0.65rem;
}

.toggle-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

/* PREVIEW HEADER & TABS */
.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.preview-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.preview-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(88, 166, 255, 0.1);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.btn-primary:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

/* CODE WRAPPER */
.code-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  max-height: 600px;
}

pre code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: #d1d5db;
  white-space: pre-wrap;
  word-break: break-all;
}

/* VISUAL PREVIEW CONTAINER */
.visual-preview-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow-x: auto;
  max-height: 600px;
}

.github-readme-render {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.github-readme-render img {
  max-width: 100%;
  height: auto;
}

.github-readme-render hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 1.5rem 0;
}

.github-readme-render table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.github-readme-render table th,
.github-readme-render table td {
  border: 1px solid var(--border-color);
  padding: 8px 12px;
}

.github-readme-render table th {
  background: rgba(255, 255, 255, 0.05);
}

.github-readme-render h3 {
  font-size: 1.1rem;
  margin: 1.2rem 0 0.6rem;
}

.github-readme-render pre {
  background: #0d1117;
  padding: 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  overflow-x: auto;
  margin: 0.8rem 0;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-top: auto;
}

.footer-content {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}