/* CSS Variables for Theme */
:root {
  --primary-color: #2563eb;
  --secondary-color: #7c3aed;
  --accent-color: #06b6d4;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;

  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --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);

  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-secondary: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;

  --border-color: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: all 0.3s ease;
}

/* Custom Navbar */
.custom-navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  padding: 1rem 0;
}

[data-theme="dark"] .custom-navbar {
  background: rgba(15, 23, 42, 0.95);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  margin-right: 12px;
  box-shadow: var(--shadow-md);
}

.brand-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color) !important;
  background-color: rgba(37, 99, 235, 0.1);
}

.nav-link.hireme {
  color: white !important;
  background-color: var(--success-color);
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  color: var(--primary-color);
  background-color: rgba(37, 99, 235, 0.1);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Search Container */
.search-container {
  max-width: 600px;
  margin: 0 auto 3rem;
  position: relative;
}

.search-wrapper {
  position: relative;
}

.search-input {
  height: 60px;
  padding: 0 60px 0 60px;
  font-size: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  color: white;
  box-shadow: var(--shadow-xl);
  transition: all 0.3s ease;
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.search-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
}

.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  display: none;
  margin-top: 8px;
}

.search-suggestion {
  padding: 12px 20px;
  cursor: pointer;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.search-suggestion:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
}

.search-suggestion:last-child {
  border-bottom: none;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  color: white;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Tools Section */
.tools-section {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Tool Cards */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tool-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 99, 235, 0.2);
}

.tool-card:hover::before {
  transform: scaleX(1);
}

.tool-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.tool-card:hover .tool-icon {
  transform: scale(1.1) rotate(5deg);
}

.tool-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.tool-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.tool-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.tool-category {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.tool-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge-popular {
  background: var(--gradient-secondary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.favorite-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

.favorite-btn.active {
  color: var(--danger-color);
}

.open-tool-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.open-tool-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

/* Features Section */
.features-section {
  padding: 6rem 0;
  background: var(--bg-primary);
}

.feature-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  height: 100%;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-md);
}

.feature-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-brand {
  margin-bottom: 2rem;
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-color);
}

.footer-divider {
  border-color: var(--border-color);
  margin: 2rem 0 1rem;
}

.footer-copyright {
  color: var(--text-muted);
  margin: 0;
}

/* No Results */
.no-results-icon {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.no-results h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.no-results p {
  color: var(--text-secondary);
}

/* Page Styles */
.page-header {
  background: var(--gradient-hero);
  padding: 8rem 0 4rem;
  color: white;
  text-align: center;
}

.page-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.page-content {
  padding: 4rem 0;
  background: var(--bg-primary);
}

.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.content-card h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.content-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.content-card:last-child {
  margin-bottom: 0;
}

/* Tool Page Styles */
.tool-header {
  background: var(--gradient-hero);
  padding: 8rem 0 4rem;
  color: white;
}

.tool-info {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.tool-info-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.tool-info-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tool-info-content p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.tool-interface {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.tool-card-interface {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
  background: var(--gradient-primary);
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-secondary {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
}

.result-area {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  min-height: 100px;
  font-family: 'Courier New', monospace;
  white-space: pre-wrap;
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .search-input {
    height: 50px;
    font-size: 1rem;
    padding: 0 50px 0 50px;
  }

  .hero-stats {
    gap: 2rem;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .tool-card {
    padding: 1.5rem;
  }

  .tool-icon {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
  }

  .filter-tabs {
    gap: 0.25rem;
  }

  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

  .page-title {
    font-size: 2rem;
  }

  .tool-info {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

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

  .tool-info-content h1 {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .hero-section {
    padding: 2rem 0;
  }

  .tools-section {
    padding: 4rem 0;
  }

  .features-section {
    padding: 4rem 0;
  }

  .footer {
    padding: 3rem 0 2rem;
  }

  .page-header {
    padding: 6rem 0 3rem;
  }

  .tool-header {
    padding: 6rem 0 3rem;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  opacity: 0;
  transform: translateX(20px);
  animation: slideInRight 0.6s ease forwards;
}

@keyframes slideInRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

/* ads banner*/
#bottom-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  padding: 10px 0;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  z-index: 9999;
  height: 100px;
}

#bottom-banner img {
  max-width: 100%;
  height: 100px;
}

#banner-close {
  position: absolute;
  right: 15px;
  top: 5px;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  color: #000;
  z-index: 10000;
}