/* CSS Custom Properties */
:root {
  /* Light theme (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e5e5e5;
  --text-primary: #0a0a0a;
  --text-secondary: #525252;
  --text-muted: #737373;
  --border-color: #0a0a0a;
  --border-light: #d4d4d4;
  --accent-primary: #0a0a0a;
  --accent-secondary: #171717;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --highlight: #22c55e;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-strong: rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #171717;
  --bg-tertiary: #262626;
  --text-primary: #fafafa;
  --text-secondary: #a3a3a3;
  --text-muted: #737373;
  --border-color: #fafafa;
  --border-light: #404040;
  --accent-primary: #fafafa;
  --accent-secondary: #e5e5e5;
  --success: #22c55e;
  --success-bg: #14532d;
  --highlight: #4ade80;
  --shadow: rgba(255, 255, 255, 0.05);
  --shadow-strong: rgba(255, 255, 255, 0.1);
}

/* Reset & Base */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  border-bottom: 3px solid var(--border-color);
  padding: 16px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--text-primary);
}

.logo-text {
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}

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

.nav-dropdown {
  position: relative;
}

.nav-dropdown-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
}

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

.nav-dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--bg-primary);
  border: 3px solid var(--border-color);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-content a {
  display: block;
  padding: 12px 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.nav-dropdown-content a:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  cursor: pointer;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
}

.sun-icon {
  display: none;
}

.moon-icon {
  display: block;
}

[data-theme="dark"] .sun-icon {
  display: block;
}

[data-theme="dark"] .moon-icon {
  display: none;
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 2px solid var(--border-color);
  cursor: pointer;
  color: var(--text-primary);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--bg-secondary);
  border-bottom: 3px solid var(--border-color);
  padding: 16px 24px;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav-section {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 16px 0 8px;
  border-bottom: none;
}

.mobile-nav-section:first-child {
  padding-top: 0;
}

.mobile-nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-badge {
  margin-bottom: 24px;
}

.badge {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  background: var(--text-primary);
  color: var(--bg-primary);
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(48px, 10vw, 96px);
  line-height: 1;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.highlight {
  color: var(--highlight);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* Tool Container */
.tool-container {
  max-width: 700px;
  margin: 0 auto;
}

.input-wrapper {
  position: relative;
  margin-bottom: 16px;
}

.scrambled-input {
  width: 100%;
  padding: 24px 60px 24px 24px;
  font-family: "JetBrains Mono", monospace;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg-secondary);
  border: 4px solid var(--border-color);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.scrambled-input::placeholder {
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  font-size: 18px;
}

.scrambled-input:focus {
  background: var(--bg-primary);
  box-shadow: 8px 8px 0 var(--border-color);
}

.clear-btn {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  opacity: 0;
  transition: all 0.2s ease;
}

.scrambled-input:not(:placeholder-shown) + .clear-btn {
  opacity: 1;
}

.clear-btn:hover {
  color: var(--text-primary);
}

.unscramble-btn {
  width: 100%;
  padding: 20px 32px;
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: 4px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.2s ease;
}

.unscramble-btn:hover {
  transform: translate(-4px, -4px);
  box-shadow: 4px 4px 0 var(--border-color);
}

.unscramble-btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}

/* Filters */
.filters {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.filter-select,
.filter-input {
  width: 100%;
  padding: 12px 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.filter-select:focus,
.filter-input:focus {
  background: var(--bg-primary);
  box-shadow: 4px 4px 0 var(--border-color);
}

/* Loading */
.loading {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 48px;
  color: var(--text-secondary);
}

.loading.active {
  display: flex;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-light);
  border-top-color: var(--text-primary);
  animation: spin 0.8s linear infinite;
}

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

/* Results */
.results-container {
  display: none;
  margin-top: 48px;
  text-align: left;
}

.results-container.active {
  display: block;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.results-title {
  font-size: 24px;
  text-transform: uppercase;
}

.results-title span {
  color: var(--highlight);
}

.results-actions {
  display: flex;
  gap: 12px;
}

.copy-all-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-all-btn:hover {
  background: var(--bg-tertiary);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.word-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  transition: all 0.2s ease;
}

.word-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--border-color);
}

.word-card.longest {
  background: var(--success-bg);
  border-color: var(--success);
}

.word-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.word-text {
  font-family: "JetBrains Mono", monospace;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.word-card.longest .word-text {
  color: var(--success);
}

.word-length {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 4px 8px;
}

.word-card.longest .word-length {
  background: var(--success);
  color: var(--bg-primary);
}

.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.copy-btn:hover {
  color: var(--text-primary);
}

.copy-btn.copied {
  color: var(--success);
}

/* Empty State */
.empty-state,
.no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px 24px;
  color: var(--text-muted);
  text-align: center;
}

.empty-state.hidden,
.no-results.hidden {
  display: none;
}

.empty-icon,
.no-results-icon {
  opacity: 0.5;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 3px solid var(--border-color);
  border-bottom: 3px solid var(--border-color);
}

.section-title {
  font-size: 48px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-primary);
  border: 3px solid var(--border-color);
  transition: all 0.2s ease;
}

.feature-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 4px 4px 0 var(--border-color);
}

.feature-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  color: var(--bg-primary);
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 20px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* How It Works */
.how-it-works {
  padding: 100px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.step {
  text-align: center;
  padding: 32px;
}

.step-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 64px;
  font-weight: 800;
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 24px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.step p {
  color: var(--text-secondary);
}

/* Stats */
.stats {
  padding: 80px 0;
  background: var(--text-primary);
  color: var(--bg-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  text-align: center;
}

.stat-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 8px;
}

.stat-label {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-secondary);
  border-top: 3px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 64px;
}

.widget-title {
  font-size: 16px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.widget-text {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.social-link:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.widget-links {
  list-style: none;
}

.widget-links li {
  margin-bottom: 12px;
}

.widget-links a {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Subscribe Form */
.subscribe-form {
  display: flex;
  gap: 8px;
}

.subscribe-input {
  flex: 1;
  padding: 14px 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-primary);
  outline: none;
}

.subscribe-input:focus {
  box-shadow: 4px 4px 0 var(--border-color);
}

.subscribe-btn {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  border: 2px solid var(--border-color);
  color: var(--bg-primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.subscribe-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 2px 2px 0 var(--border-color);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-weight: 800;
  font-size: 14px;
}

.footer-logo .logo-icon {
  width: 24px;
  height: 24px;
}

.copyright {
  font-size: 14px;
  color: var(--text-muted);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: var(--text-primary);
  color: var(--bg-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 600;
  border: 3px solid var(--border-color);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
}

.toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Hint text style */
.hint-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Thesaurus specific styles */
.thesaurus-results {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.thesaurus-section {
  text-align: left;
}

.thesaurus-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", monospace;
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

.thesaurus-title.antonym {
  color: var(--text-secondary);
}

.antonym-card {
  border-color: var(--text-muted) !important;
}

/* Word search specific styles */
.word-search-tool {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.grid-input-section,
.words-input-section {
  text-align: left;
}

.input-label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.grid-textarea,
.words-textarea {
  width: 100%;
  padding: 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--bg-secondary);
  border: 3px solid var(--border-color);
  color: var(--text-primary);
  outline: none;
  resize: vertical;
  transition: all 0.2s ease;
}

.grid-textarea:focus,
.words-textarea:focus {
  background: var(--bg-primary);
  box-shadow: 4px 4px 0 var(--border-color);
}

.word-search-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.word-search-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.word-location {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: clamp(36px, 12vw, 64px);
  }

  .scrambled-input {
    font-size: 18px;
    padding: 20px 50px 20px 20px;
  }

  .filters {
    flex-direction: column;
  }

  .filter-group {
    min-width: 100%;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 32px;
  }

  .stats-grid {
    gap: 32px;
  }

  .stat-number {
    font-size: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .features,
  .how-it-works {
    padding: 64px 0;
  }

  .feature-card,
  .step {
    padding: 24px;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-btn {
    width: 100%;
    height: 48px;
  }
}