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

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-gradient: linear-gradient(135deg, #e413c3 0%, #b828b1 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  
  --white: #ffffff;
  --light-gray: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== LAYOUT & CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-8);
  }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(90deg, #ff5ab4 0%, #edf119 100%);
  position: relative;
  overflow: hidden;
  width: 100%;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--spacing-8) 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, var(--font-size-5xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--white);
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl));
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-12);
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* ===== SEARCH FORM ===== */
.search-form {
  max-width: 600px;
  margin: 0 auto var(--spacing-16);
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.search-container {
  display: flex;
  gap: var(--spacing-3);
  background: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  border: 2px solid transparent;
  transition: var(--transition);
}

.search-container:focus-within {
  border-color: #667eea;
  box-shadow: var(--shadow-xl), 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-lg);
  background: transparent;
  color: var(--gray-800);
}

.search-input::placeholder {
  color: var(--gray-400);
}

.search-button {
  background: var(--primary-gradient);
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.search-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: var(--secondary-gradient);
}

.search-button:active {
  transform: translateY(0);
}

/* New buttons to match screenshot */
.paste-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-full);
  padding: var(--spacing-4) var(--spacing-6);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.paste-button:hover {
  border-color: var(--gray-300);
  background: var(--gray-100);
}

.download-button {
  background: #2d6cdf;
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: #1e40af;
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: var(--spacing-20) 0;
  background: var(--light-gray);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
  margin-top: var(--spacing-16);
  width: 100%;
  max-width: 1200px;
  justify-items: center;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow);
  transition: var(--transition);
  text-align: center;
  border: 1px solid var(--gray-200);
  width: 100%;
  max-width: 350px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-6);
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  color: var(--white);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: var(--spacing-4);
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== RESULTS SECTION ===== */
.results {
  padding: var(--spacing-16) 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.results-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-8);
  border: 1px solid var(--gray-200);
  animation: fadeInUp 0.6s ease-out;
  width: 100%;
  max-width: 800px;
}

.results-header {
  background: var(--primary-gradient);
  color: var(--white);
  padding: var(--spacing-6);
  text-align: center;
}

.results-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.results-content {
  padding: var(--spacing-8);
}

.media-item {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  margin-bottom: var(--spacing-6);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.media-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.media-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: var(--spacing-4);
  line-height: 1.4;
}

.media-thumbnail {
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  max-width: 100%;
  height: auto;
}

.media-preview {
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
  max-width: 100%;
  height: auto;
}

.media-actions {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--secondary-gradient);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
  border-color: var(--gray-400);
  background: var(--gray-50);
  transform: translateY(-1px);
}

/* ===== ALERTS ===== */
.alert {
  padding: var(--spacing-4) var(--spacing-6);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-6);
  border: 1px solid transparent;
}

.alert-danger {
  background: #fef2f2;
  border-color: #fecaca;
  color: #dc2626;
}

.alert-info {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: #2563eb;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .search-container {
    flex-direction: column;
    border-radius: var(--radius-lg);
  }
  
  .search-button {
    border-radius: var(--radius-md);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  
  .media-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    justify-content: center;
    width: 100%;
    max-width: 200px;
  }
  
  .container {
    padding: 0 var(--spacing-4);
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 80vh;
  }
  
  .hero-content {
    padding: var(--spacing-6) 0;
  }
  
  .features {
    padding: var(--spacing-12) 0;
  }
  
  .feature-card {
    padding: var(--spacing-6);
  }
  
  .results-content {
    padding: var(--spacing-6);
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* ===== LOADING STATES ===== */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}