/* Modern CSS for Hashtag Generator - Updated Color Scheme */

:root {
  /* Modern color palette */
  --primary: #4f46e5; /* Indigo 600 */
  --primary-dark: #4338ca; /* Indigo 700 */
  --primary-light: #818cf8; /* Indigo 400 */

  --secondary: #1e293b; /* Slate 800 */
  --secondary-light: #334155; /* Slate 700 */

  /* Accent colors */
  --accent-1: #ec4899; /* Pink 500 */
  --accent-2: #8b5cf6; /* Violet 500 */
  --accent-3: #06b6d4; /* Cyan 500 */
  --accent-4: #10b981; /* Emerald 500 */

  /* Neutral colors */
  --neutral-50: #f8fafc;
  --neutral-100: #f1f5f9;
  --neutral-200: #e2e8f0;
  --neutral-300: #cbd5e1;
  --neutral-400: #94a3b8;
  --neutral-500: #64748b;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  /* Semantic colors */
  --success: #10b981; /* Emerald 500 */
  --warning: #f59e0b; /* Amber 500 */
  --danger: #ef4444; /* Red 500 */
  --info: #3b82f6; /* Blue 500 */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Typography */
  --font-sans: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base Styles */
body {
  font-family: var(--font-sans);
  background-color: var(--neutral-50);
  color: var(--neutral-800);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--neutral-900);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.875rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
  text-decoration: none;
}

/* Header Styles */
header {
  background-color: var(--secondary);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

header .navbar-dark .navbar-nav .nav-link {
  color: var(--neutral-300);
  font-weight: 500;
  padding: 0.75rem 1rem;
  transition: color var(--transition-fast);
}

header .navbar-dark .navbar-nav .nav-link:hover,
header .navbar-dark .navbar-nav .nav-link:focus {
  color: white;
}

header .navbar-dark .navbar-nav .active > .nav-link,
header .navbar-dark .navbar-nav .nav-link.active {
  color: white;
  font-weight: 600;
}

.dropdown-menu {
  border: none;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  background-color: white;
}

.dropdown-item {
  border-radius: 0.375rem;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--neutral-100);
  color: var(--primary);
}

/* Card Styles */
.card {
  border: none;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
  background-color: white;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  background-color: white;
  border-bottom: 1px solid var(--neutral-200);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  background-color: white;
  border-top: 1px solid var(--neutral-200);
  padding: 1.25rem 1.5rem;
}

/* Button Styles */
.btn {
  font-weight: 500;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  border: none;
}

.btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:active::after {
  animation: ripple 0.6s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(20, 20);
    opacity: 0;
  }
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--secondary-light);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-outline-primary {
  background-color: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

/* Form Styles */
.form-control {
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--neutral-300);
  font-size: 1rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--neutral-700);
}

.form-text {
  color: var(--neutral-500);
  font-size: 0.875rem;
}

/* Hashtag Styles */
.hashtags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin: 1rem 0;
}

.hashtags-list .badge {
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.875rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  background-color: var(--neutral-200);
  color: var(--neutral-800);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.hashtags-list .badge:hover {
  background-color: var(--primary) !important;
  color: white !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hashtag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.hashtag-cloud .badge {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  transition: all var(--transition-fast);
  background-color: var(--neutral-100);
  color: var(--neutral-700);
  cursor: pointer;
}

.hashtag-cloud .badge:hover {
  background-color: var(--primary) !important;
  color: white !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Alert Styles */
.alert {
  border: none;
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.alert-primary {
  background-color: rgba(79, 70, 229, 0.1);
  color: var(--primary-dark);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* Table Styles */
.table {
  width: 100%;
  margin-bottom: 1.5rem;
  color: var(--neutral-800);
  vertical-align: middle;
  border-color: var(--neutral-200);
}

.table th {
  font-weight: 600;
  padding: 0.75rem;
  vertical-align: bottom;
  background-color: var(--neutral-100);
  border-bottom: 2px solid var(--neutral-300);
}

.table td {
  padding: 0.75rem;
  vertical-align: middle;
  border-top: 1px solid var(--neutral-200);
}

.table-hover tbody tr:hover {
  background-color: var(--neutral-100);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.02);
}

/* Pagination */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  border-radius: 0.5rem;
}

.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: var(--primary);
  background-color: white;
  border: 1px solid var(--neutral-300);
  transition: all var(--transition-fast);
}

.page-link:hover {
  z-index: 2;
  color: var(--primary-dark);
  text-decoration: none;
  background-color: var(--neutral-100);
  border-color: var(--neutral-300);
}

.page-item.active .page-link {
  z-index: 3;
  color: white;
  background-color: var(--primary);
  border-color: var(--primary);
}

.page-item.disabled .page-link {
  color: var(--neutral-400);
  pointer-events: none;
  cursor: auto;
  background-color: white;
  border-color: var(--neutral-300);
}

/* Footer Styles */
footer {
  background-color: var(--secondary);
  color: var(--neutral-300);
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}

footer h5 {
  color: white;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

footer a {
  color: var(--neutral-300);
  transition: color var(--transition-fast);
}

footer a:hover {
  color: white;
  text-decoration: none;
}

footer .social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  margin-right: 0.5rem;
  transition: all var(--transition-fast);
}

footer .social-icons a:hover {
  background-color: var(--primary);
  transform: translateY(-3px);
}

footer hr {
  border-color: var(--neutral-700);
  opacity: 0.25;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes pulse {
  0% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.6;
  }
}

.loading-animation {
  animation: pulse 1.5s infinite ease-in-out;
}

/* Gradient Backgrounds */
.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-2) 100%);
}

.bg-gradient-secondary {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--accent-1) 0%, var(--accent-3) 100%);
}

/* FAQ Page Styles */
.faq-categories .nav-pills .nav-link {
  color: var(--neutral-700);
  background-color: var(--neutral-100);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  margin: 0 0.25rem;
  transition: all var(--transition-fast);
}

.faq-categories .nav-pills .nav-link:hover {
  background-color: var(--neutral-200);
}

.faq-categories .nav-pills .nav-link.active {
  background-color: var(--primary);
  color: white;
}

.accordion-item {
  border: 1px solid var(--neutral-200);
  border-radius: 0.5rem;
  overflow: hidden;
  margin-bottom: 1rem;
}

.accordion-button {
  padding: 1.25rem;
  font-weight: 600;
  color: var(--neutral-800);
  background-color: white;
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background-color: rgba(79, 70, 229, 0.05);
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.25);
  border-color: var(--primary-light);
}

.accordion-body {
  padding: 1.25rem;
  background-color: white;
}

/* New Homepage Features Section */
.features-section {
  padding: 4rem 0;
  background-color: var(--neutral-50);
}

.feature-card {
  height: 100%;
  border-radius: 1rem;
  overflow: hidden;
  transition: all var(--transition-normal);
  border: none;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.feature-card .card-body {
  padding: 2rem;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
  background-color: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  font-size: 1.75rem;
}

.feature-card:nth-child(2) .feature-icon {
  background-color: rgba(236, 72, 153, 0.1);
  color: var(--accent-1);
}

.feature-card:nth-child(3) .feature-icon {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--accent-2);
}

.feature-card:nth-child(4) .feature-icon {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--accent-3);
}

.feature-card .card-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

/* New Pricing Section */
.pricing-section {
  padding: 4rem 0;
  background-color: var(--neutral-100);
}

.pricing-card {
  height: 100%;
  border-radius: 1rem;
  overflow: hidden;
  transition: all var(--transition-normal);
  border: none;
}

.pricing-card.popular {
  transform: scale(1.05);
  border: 2px solid var(--primary);
  z-index: 1;
}

.pricing-card .card-header {
  background-color: white;
  padding: 1.5rem;
  text-align: center;
}

.pricing-card .price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.pricing-card .price-period {
  font-size: 0.875rem;
  color: var(--neutral-500);
}

.pricing-card .card-body {
  padding: 1.5rem;
}

.pricing-card .feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pricing-card .feature-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
}

.pricing-card .feature-list li i {
  color: var(--success);
  margin-right: 0.5rem;
}

.pricing-card .feature-list li.unavailable {
  color: var(--neutral-400);
}

.pricing-card .feature-list li.unavailable i {
  color: var(--neutral-400);
}

.pricing-card .card-footer {
  background-color: white;
  padding: 1.5rem;
  text-align: center;
}

.pricing-card.popular .card-footer {
  background-color: rgba(79, 70, 229, 0.05);
}

/* How It Works Section */
.how-it-works-section {
  padding: 4rem 0;
  background-color: white;
}

.step-card {
  position: relative;
  padding: 2rem;
  border-radius: 1rem;
  background-color: white;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary);
  color: white;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-card h4 {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

/* Stats Section */
.stats-section {
  padding: 4rem 0;
  background-color: var(--secondary);
  color: white;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
}

.stat-value {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: white;
}

.stat-label {
  font-size: 1.125rem;
  color: var(--neutral-300);
}

/* Sidebar Styles */
.sidebar-widget {
  margin-bottom: 2rem;
}

.sidebar-widget-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--neutral-200);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--neutral-200);
}

.sidebar-list li:last-child {
  border-bottom: none;
}

.sidebar-list a {
  color: var(--neutral-700);
  transition: color var(--transition-fast);
}

.sidebar-list a:hover {
  color: var(--primary);
}

.sidebar-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.sidebar-tag-cloud .badge {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  background-color: var(--neutral-100);
  color: var(--neutral-700);
  transition: all var(--transition-fast);
}

.sidebar-tag-cloud .badge:hover {
  background-color: var(--primary);
  color: white;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .faq-categories .nav-pills .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
  }

  .pricing-card.popular {
    transform: scale(1);
  }
}

@media (max-width: 768px) {
  .card-header h2,
  .card-header h3 {
    font-size: 1.25rem;
  }

  .hashtags-list .badge {
    font-size: 0.8rem;
    padding: 0.375rem 0.625rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .btn {
    padding: 0.5rem 1rem;
  }

  .feature-card .card-body {
    padding: 1.5rem;
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }

  .stat-value {
    font-size: 2.5rem;
  }
}

@media (max-width: 576px) {
  .card-body {
    padding: 1.25rem;
  }

  .form-control {
    padding: 0.625rem 0.875rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  .faq-categories .nav-pills {
    flex-direction: column;
    gap: 0.5rem;
  }

  .faq-categories .nav-pills .nav-link {
    margin: 0;
  }

  .stat-value {
    font-size: 2rem;
  }
}