*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0d1b2a;
  --bg-card: #111122;
  --accent-purple: #2d1b69;
  --accent-purple-light: #4a2d8a;
  --accent-blue: #0d1b2a;
  --glow-purple: rgba(138, 43, 226, 0.6);
  --glow-blue: rgba(0, 100, 255, 0.6);
  --text-primary: #e0d0f0;
  --text-secondary: #a090c0;
  --text-muted: #6a6080;
  --border-color: #2a1a4a;
  --danger: #ff4444;
  --success: #44ff88;
  --warning: #ffaa44;
  --font-gothic: "Cinzel", "MedievalSharp", "UnifrakturMaguntia", serif;
  --font-body: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.site-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--accent-purple-light);
  text-decoration: none;
  transition: text-shadow 0.2s, color 0.2s;
}

a:hover, a:focus {
  color: #b070ff;
  text-shadow: 0 0 8px var(--glow-purple);
}

h1, h2, h3 {
  font-family: var(--font-gothic);
  letter-spacing: 0.05em;
}

h1 {
  font-size: 2.2rem;
  color: #c0a0f0;
  text-shadow: 0 0 15px var(--glow-purple);
}

h2 {
  font-size: 1.6rem;
  color: #b090e0;
  text-shadow: 0 0 10px var(--glow-purple);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.2rem;
  color: #a080d0;
  margin-bottom: 0.5rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
}

/* Navbar */
.navbar {
  background: linear-gradient(180deg, #0d0d1a 0%, rgba(10, 10, 15, 0.95) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 0.8rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.navbar-brand {
  font-family: var(--font-gothic);
  font-size: 1.4rem;
  color: #d0b0ff;
  text-shadow: 0 0 10px var(--glow-purple);
}

.nav-links {
  display: flex;
  gap: 0.2rem;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  display: block;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s, text-shadow 0.2s;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
  background: rgba(138, 43, 226, 0.12);
  color: #d0b0ff;
  text-shadow: 0 0 8px var(--glow-purple);
}

/* Main content */
.main-content {
  flex: 1;
  padding: 2rem 0;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px rgba(45, 27, 105, 0.15);
}

.card-glow {
  box-shadow: 0 0 30px rgba(138, 43, 226, 0.1), 0 0 60px rgba(45, 27, 105, 0.05);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.2s;
  min-height: 44px;
  min-width: 44px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-light));
  color: #fff;
  border-color: var(--accent-purple-light);
}

.btn-primary:hover, .btn-primary:focus {
  box-shadow: 0 0 15px var(--glow-purple), 0 0 30px rgba(138, 43, 226, 0.2);
  background: linear-gradient(135deg, var(--accent-purple-light), #5a3d9a);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-secondary:hover, .btn-secondary:focus {
  color: #d0b0ff;
  border-color: var(--accent-purple-light);
  box-shadow: 0 0 10px var(--glow-purple);
}

/* Input */
.input-group {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

.input-group input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: rgba(10, 10, 20, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  min-height: 44px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-group input:focus {
  border-color: var(--accent-purple-light);
  box-shadow: 0 0 12px var(--glow-purple);
}

.input-group input::placeholder {
  color: var(--text-muted);
}

/* Error / Messages */
.message-box {
  padding: 0.8rem 1rem;
  border-radius: 8px;
  margin-top: 0.8rem;
  font-size: 0.9rem;
  display: none;
}

.message-box.error {
  display: block;
  background: rgba(255, 68, 68, 0.1);
  border: 1px solid rgba(255, 68, 68, 0.3);
  color: #ff6666;
}

.message-box.success {
  display: block;
  background: rgba(68, 255, 136, 0.1);
  border: 1px solid rgba(68, 255, 136, 0.3);
  color: #66ff99;
}

.message-box.warning {
  display: block;
  background: rgba(255, 170, 68, 0.1);
  border: 1px solid rgba(255, 170, 68, 0.3);
  color: #ffbb66;
}

/* Preview */
.preview-area {
  display: none;
  margin-top: 1.5rem;
}

.preview-area.visible {
  display: block;
}

.preview-card {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.preview-thumbnail {
  width: 320px;
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.preview-thumbnail.placeholder {
  width: 320px;
  height: 180px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--text-muted);
}

.preview-info {
  flex: 1;
  min-width: 200px;
}

.preview-info h3 {
  margin-bottom: 0.3rem;
}

.preview-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* Format Selector */
.format-selector {
  margin-top: 1rem;
}

.format-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.format-btn {
  padding: 0.6rem 1.2rem;
  background: rgba(45, 27, 105, 0.2);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  min-height: 44px;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.format-btn:hover {
  border-color: var(--accent-purple-light);
  color: var(--text-primary);
}

.format-btn.selected {
  background: rgba(138, 43, 226, 0.2);
  border-color: var(--accent-purple-light);
  color: #d0b0ff;
  box-shadow: 0 0 8px var(--glow-purple);
}

/* Progress */
.progress-container {
  display: none;
  margin-top: 1rem;
}

.progress-container.visible {
  display: block;
}

.progress-bar-bg {
  width: 100%;
  height: 20px;
  background: rgba(10, 10, 20, 0.6);
  border-radius: 10px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-purple-light), #6a40c0);
  border-radius: 10px;
  transition: width 0.3s;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Ad slots */
.adsbygoogle {
  display: none;
}

.adsbygoogle[data-ad-status="filled"] {
  display: block;
}

.ad-slot {
  background: rgba(10, 10, 20, 0.4);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-align: center;
  overflow: hidden;
}

.ad-header {
  display: block;
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 0 auto 1.5rem;
}

.ad-sidebar {
  display: block;
  width: 300px;
  height: 250px;
  margin: 0 auto 1rem;
}

.ad-in-content {
  display: block;
  width: 100%;
  max-width: 728px;
  height: 90px;
  margin: 1rem 0;
}

.ad-slot[data-unfilled="true"] {
  display: none;
}

/* Layout */
.layout-two-col {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.layout-main {
  flex: 1;
  min-width: 0;
}

.layout-sidebar {
  width: 320px;
  flex-shrink: 0;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(138, 43, 226, 0.3);
  border-top-color: #b070ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Footer */
.footer {
  background: linear-gradient(0deg, #0d0d1a 0%, rgba(10, 10, 15, 0.95) 100%);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-top: auto;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-badges {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.footer-badges img {
  height: 22px;
  border-radius: 3px;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-badges img:hover {
  opacity: 1;
}

/* Page content */
.page-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-content p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.page-content ul, .page-content ol {
  margin: 0.5rem 0 1rem 1.5rem;
  color: var(--text-secondary);
}

.page-content li {
  margin-bottom: 0.4rem;
}

.faq-item {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-family: var(--font-gothic);
  color: #b090e0;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
  cursor: pointer;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding-left: 0.5rem;
}

/* 404 Page */
.page-404 {
  text-align: center;
  padding: 4rem 1rem;
}

.page-404 h1 {
  font-size: 5rem;
  margin-bottom: 0.5rem;
}

.page-404 p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Toast notifications */
#toast-container {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 360px;
}

.toast {
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: opacity 0.3s;
  border: 1px solid var(--border-color);
}

.toast-info {
  background: rgba(45, 27, 105, 0.9);
  color: var(--text-primary);
}

.toast-success {
  background: rgba(68, 255, 136, 0.15);
  border-color: rgba(68, 255, 136, 0.3);
  color: #66ff99;
}

.toast-error {
  background: rgba(255, 68, 68, 0.15);
  border-color: rgba(255, 68, 68, 0.3);
  color: #ff6666;
}

.ad-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 767px) {
  .layout-two-col {
    flex-direction: column;
  }

  .layout-sidebar {
    width: 100%;
  }

  .ad-sidebar,
  .ad-header {
    display: none;
  }

  .preview-card {
    flex-direction: column;
  }

  .preview-thumbnail,
  .preview-thumbnail.placeholder {
    width: 100%;
    max-width: 320px;
  }

  .input-group {
    flex-direction: column;
  }

  .navbar .container {
    flex-direction: column;
    gap: 0.5rem;
  }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  .format-options {
    flex-direction: column;
  }

  .format-btn {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .ad-header {
    display: block;
  }

  .ad-in-content {
    display: block;
  }

  .mobile-ad {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #particles-canvas {
    display: none;
  }
}