/* ================================
   Root & Theme Variables
================================= */
:root {
  --primary-bg: #0a0a0f;
  --secondary-bg: #1a1a2e;
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --neon-cyan: #00ffff;
  --neon-pink: #ff00ff;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --transition-speed: 0.3s;
  --card-radius: 16px;
}

[data-theme="light"] {
  --primary-bg: #ffffff;
  --secondary-bg: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --glass-bg: rgba(0, 0, 0, 0.05);
  --glass-border: rgba(0, 0, 0, 0.1);
}

/* ================================
   Reset & Base
================================= */
*,
*::before,
*::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; scroll-behavior: smooth; font-family: 'Space Grotesk', sans-serif; }
body {
  background: var(--primary-bg);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* ================================
   Background Animation
================================= */
.bg-animation {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(-45deg, var(--primary-bg) 25%, var(--secondary-bg) 50%, var(--primary-bg) 75%);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* ================================
   Illusion / Glitch Mode
================================= */
body.illusion-mode .bg-animation {
  filter: hue-rotate(90deg) saturate(160%) contrast(120%);
  animation: gradientShift 8s linear infinite;
}
body.illusion-mode .scenario-card {
  animation: glitch 1.5s infinite;
  border: 1px dashed var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan), 0 0 16px var(--neon-pink);
}
@keyframes glitch {
  0%, 100% { transform: skew(0deg); }
  20% { transform: skew(5deg); }
  40% { transform: skew(-5deg); }
  60% { transform: skew(3deg); }
  80% { transform: skew(-3deg); }
}

/* ================================
   Poster Mode
================================= */
body.poster-mode .scenario-card {
  background: #000;
  color: #fff;
  border: none;
  font-size: 1.4rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 0 20px var(--accent-blue), 0 0 40px var(--accent-purple);
}
body.poster-mode .visual-container {
  border-radius: 0;
  min-height: 300px;
}

/* ================================
   Layout & Containers
================================= */
main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}
.container {
  max-width: 1200px;
  padding: 2rem 1rem;
  text-align: center;
}

/* ================================
   Typography
================================= */
.logo {
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}
.subtitle {
  font-size: 2rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 2rem;
}

/* ================================
   Input & Controls
================================= */
.input-section { margin-bottom: 1.5rem; }
.input-container {
  display: flex;
  gap: 0.6rem;
  max-width: 500px;
  margin: 0 auto;
}
.whatif-input {
  flex: 1;
  padding: 0.6rem 0.9rem;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
}
.whatif-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
  outline: none;
}
.generate-btn {
  padding: 0.6rem 1rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}
.generate-btn:hover,
.generate-btn:focus {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.35);
  outline: none;
}

/* Controls buttons */
.controls {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.control-btn {
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition-speed) ease;
}
.control-btn:hover,
.control-btn:focus {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
}
.control-btn.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-color: transparent;
}

/* ================================
   Output & Scenario Card
================================= */
.output-section {
  max-width: 800px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-speed) ease;
}
.output-section.visible { animation: fadeInUp 0.6s ease forwards; }
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.scenario-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 1.2rem;
  margin-bottom: 1.2rem;
  transition: all var(--transition-speed) ease, transform 0.4s ease;
}
.scenario-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(59, 130, 246, 0.25);
}
.scenario-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.6rem; }
.scenario-story { font-size: 0.9rem; line-height: 1.5; color: var(--text-secondary); margin-bottom: 0.8rem; }
.visual-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  background: var(--secondary-bg);
  border-radius: 12px;
  overflow: hidden;
}

/* ================================
   Action Buttons (Download / Share)
================================= */
.action-buttons {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.action-btn {
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--transition-speed) ease;
}
.action-btn:hover,
.action-btn:focus {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
  outline: none;
}

/* ================================
   Footer
================================= */
footer {
  background: var(--secondary-bg);
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), var(--accent-purple), transparent);
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}
.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding: 0.8rem 0;
  background: var(--primary-bg);
}
.footer-bottom-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Footer typography & lists */
.footer-section { display: flex; flex-direction: column; }
.footer-title {
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.3rem;
}
.footer-subtitle { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.5rem; }
.footer-desc { color: var(--text-secondary); line-height: 1.4; margin-bottom: 1rem; font-size: 0.85rem; }
.footer-list { list-style: none; }
.footer-list li { margin-bottom: 0.3rem; }
.footer-link {
  color: var(--text-secondary); text-decoration: none; font-size: 0.8rem;
  transition: all var(--transition-speed) ease;
}
.footer-link:hover { color: var(--accent-blue); transform: translateX(4px); }
.social-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.social-link { color: var(--text-secondary); transition: all var(--transition-speed) ease; }
.social-link:hover { color: var(--accent-blue); transform: translateY(-2px); }

/* ================================
   Newsletter
================================= */
.newsletter {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 0.8rem;
}
.newsletter-desc { color: var(--text-secondary); font-size: 0.8rem; margin-bottom: 0.6rem; }
.newsletter-form { display: flex; flex-direction: column; gap: 0.4rem; }
.newsletter-input {
  padding: 0.5rem 0.8rem;
  background: var(--primary-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.85rem;
}
.newsletter-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
  outline: none;
}
.newsletter-btn {
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}
.newsletter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
}

/* ================================
   Ripple Effect
================================= */
.ripple {
  position: absolute;
  width: 16px; height: 16px;
  background: rgba(59, 130, 246, 0.4);
  border-radius: 50%;
  pointer-events: none;
  transform: scale(0);
  animation: rippleAnim 0.6s linear forwards;
}
@keyframes rippleAnim {
  to { transform: scale(10); opacity: 0; }
}

/* ================================
   Responsive
================================= */
@media (max-width: 768px) {
  main { align-items: flex-start; padding-top: 2rem; }
  .container { padding: 1rem; }
  .logo { font-size: 1.6rem; }
  .input-container { flex-direction: column; }
  .scenario-card { padding: 1rem; }
  .controls { gap: 0.4rem; }
  .control-btn { padding: 0.4rem 0.8rem; font-size: 0.75rem; }

  /* Footer mobile update */
  .footer-content { grid-template-columns: 1fr; padding: 1.2rem 1rem; gap: 1.2rem; text-align: center; }
  .footer-section { align-items: center; }
  .social-links { justify-content: center; }
  .footer-bottom-content { flex-direction: column; text-align: center; gap: 0.6rem; }
}