:root {
  --primary: #aab6fe;
  --accent: #ffd54f;
  --bg-dark: #1e1e2f;
  --bg-light: #2a2a3d;
  --text: #fff;
  --text-secondary: #bbb;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 40px 20px;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

p {
  font-size: 1.1em;
  color: var(--text-secondary);
}

section.faq {
  max-width: 800px;
  margin: auto;
  padding: 20px;
}

.faq-category {
  margin-bottom: 40px;
}

.faq-category h2 {
  font-size: 1.6em;
  margin-bottom: 20px;
  color: var(--primary);
  border-bottom: 1px solid #444;
  padding-bottom: 5px;
}

details {
  background: var(--bg-light);
  padding: 18px;
  border-radius: 12px;
  margin-bottom: 12px;
  transition: background-color 0.3s ease;
}

details[open] {
  background-color: #353553;
}

summary {
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  color: var(--accent);
  outline: none;
  padding: 5px 0;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "➤";
  float: right;
  transform: rotate(0deg);
  transition: transform 0.2s;
}

details[open] summary::after {
  transform: rotate(90deg);
}

.donation-container-inline {
  background: rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 400px;
  margin: 0 auto;
}

.donation-button-inline {
  background: linear-gradient(45deg, #ff6b6b, #ffa726);
  border: none;
  border-radius: 12px;
  padding: 15px 25px;
  color: white;
  font-size: 1.1em;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  margin-bottom: 20px;
  width: 100%;
}

.donation-button-inline:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.donation-button-inline:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.donation-button-inline::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.donation-button-inline:hover::before {
  left: 100%;
}

.address-container-inline {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.copy-button-inline {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  padding: 8px 16px;
  color: white;
  font-size: 0.9em;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.copy-button-inline:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.copy-button-inline:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@keyframes pulseInline {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

.donation-button-inline.pulse {
  animation: pulseInline 2s infinite;
}

.search-container {
  max-width: 600px;
  margin: 0 auto 40px;
  padding: 0 20px;
}

.search-box {
  width: 100%;
  padding: 15px 20px;
  font-size: 1.1em;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.search-box:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 20px rgba(170, 182, 254, 0.3);
}

.search-box::placeholder {
  color: var(--text-secondary);
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
  padding: 0 20px;
}

.category-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 8px 16px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9em;
}

.category-btn:hover,
.category-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 30px 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-size: 2em;
  font-weight: bold;
  color: var(--accent);
  display: block;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9em;
}

details {
  background: var(--bg-light);
  padding: 20px;
  border-radius: 15px;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

details:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

details[open] {
  background: linear-gradient(135deg, #353553, #2a2a3d);
  border-color: var(--primary);
}

.popular-badge {
  background: linear-gradient(45deg, #ff6b6b, #ffa726);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.7em;
  font-weight: bold;
  margin-left: 10px;
}

@media (max-width: 768px) {
  .category-nav {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .category-btn {
    width: 200px;
    text-align: center;
    font-size: 0.85em;
  }

  .stats-container {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  .stat-item {
    width: 200px;
    padding: 15px;
  }

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

  h1 {
    font-size: 2em;
    margin-bottom: 15px;
  }

  header p {
    font-size: 1em;
    padding: 0 10px;
  }

  .search-box {
    font-size: 1em;
    padding: 12px 16px;
  }

  .search-container {
    padding: 0 15px;
    margin-bottom: 30px;
  }

  .faq-category {
    padding: 15px;
  }

  .faq-category h2 {
    font-size: 1.4em;
    margin-bottom: 15px;
  }

  details {
    padding: 15px;
    margin-bottom: 10px;
  }

  summary {
    font-size: 1em;
    padding: 3px 0;
  }

  .popular-badge {
    font-size: 0.65em;
    padding: 3px 6px;
  }

  .donation-container-inline {
    margin: 20px 15px;
    padding: 20px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8em;
  }

  .category-btn {
    width: 180px;
    font-size: 0.8em;
  }

  .stat-item {
    width: 180px;
    padding: 12px;
  }

  .search-box {
    font-size: 0.95em;
    padding: 10px 14px;
  }

  details {
    padding: 12px;
  }

  summary {
    font-size: 0.95em;
  }
}

#searchHelp {
  text-align: center;
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.9em;
  opacity: 0.8;
}

.social-button {
  margin: 30px auto 0;
  display: block;
  background: #5c6bc0;
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1em;
  cursor: pointer;
}

.footer-link {
  color: var(--accent);
}

.footer-secondary {
  font-size: 0.9em;
  margin-top: 10px;
  opacity: 0.8;
}

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

.chat-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  background: #5c6bc0;
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

.chat-popup {
  display: none;
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 360px;
  height: 500px;
  z-index: 999;
  background: white;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.chat-popup iframe {
  width: 100%;
  height: 100%;
  border: none;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}