@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
  --yt-bg: #0f0f0f;
  --yt-text: #f1f1f1;
  --yt-text-secondary: #aaaaaa;
  --yt-red: #ff0000;
  --yt-red-hover: #cc0000;
  --yt-border: #3f3f3f;
  --yt-search-bg: #121212;
  --yt-search-border: #303030;
  --yt-hover-bg: #272727;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--yt-bg);
  color: var(--yt-text);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header {
  width: 100%;
  padding: 15px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--yt-border);
  position: sticky;
  top: 0;
  background-color: var(--yt-bg);
  z-index: 100;
}

.menu-container {
  position: relative;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--yt-text);
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-toggle:hover {
  color: var(--yt-text-secondary);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--yt-search-bg);
  border: 1px solid var(--yt-border);
  border-radius: 8px;
  margin-top: 15px;
  min-width: 200px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  display: none;
  flex-direction: column;
  overflow: hidden;
}

.dropdown-menu.active {
  display: flex;
}

.dropdown-menu a {
  color: var(--yt-text);
  text-decoration: none;
  padding: 15px 20px;
  font-size: 15px;
  border-bottom: 1px solid var(--yt-border);
  transition: background-color 0.2s;
}

.dropdown-menu a:last-child {
  border-bottom: none;
}

.dropdown-menu a:hover {
  background-color: var(--yt-hover-bg);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 500;
  text-decoration: none;
  color: var(--yt-text);
}

.logo i {
  color: var(--yt-red);
  font-size: 28px;
}

main {
  width: 100%;
  max-width: 800px;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.title-section {
  text-align: center;
  margin-bottom: 20px;
}

.title-section h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}

.title-section p {
  color: var(--yt-text-secondary);
}

.input-group {
  display: flex;
  gap: 0;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
}

.input-wrapper input {
  width: 100%;
  background-color: var(--yt-search-bg);
  border: 1px solid var(--yt-search-border);
  border-radius: 40px 0 0 40px;
  padding: 12px 45px 12px 20px;
  color: var(--yt-text);
  font-size: 16px;
  font-family: 'Roboto', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}

.paste-btn {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--yt-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 5px;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.paste-btn:hover {
  color: var(--yt-text);
}

.input-group input:focus {
  border-color: #1c62b9; /* YT search focus color */
}

#getBtn {
  background-color: #222222;
  border: 1px solid var(--yt-search-border);
  border-left: none;
  border-radius: 0 40px 40px 0;
  padding: 0 25px;
  cursor: pointer;
  color: var(--yt-text);
  font-size: 16px;
  transition: background-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

#getBtn:hover {
  background-color: var(--yt-border);
}

#getBtn i {
  font-size: 18px;
  margin-right: 8px;
}

.result-section {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  background: var(--yt-search-bg);
  border: 1px solid var(--yt-border);
  border-radius: 12px;
  padding: 30px;
  margin-top: 20px;
  animation: fadeIn 0.3s ease-in-out;
}

.result-section.active {
  display: flex;
}

.thumbnail-preview {
  width: 100%;
  max-width: 640px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
  position: relative;
  background-color: #000;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumbnail-preview img {
  width: 100%;
  height: auto;
  display: block;
}

.quality-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(0,0,0,0.8);
  color: var(--yt-text);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.profile-preview {
  aspect-ratio: 1/1;
  max-width: 200px;
  border-radius: 50%;
}
.banner-preview {
  aspect-ratio: 16/2.6; /* Approx YouTube banner ratio */
}

.btn-primary {
  background-color: var(--yt-red);
  color: var(--yt-text);
  border: none;
  border-radius: 36px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
}

.btn-primary:hover {
  background-color: var(--yt-red-hover);
}

.loading {
  display: none;
  color: var(--yt-text-secondary);
  font-size: 16px;
  text-align: center;
  margin-top: 20px;
}

.loading i {
  animation: spin 1s linear infinite;
  margin-right: 8px;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

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

.navigation-links {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.nav-pill {
  background-color: #272727;
  color: var(--yt-text);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s;
}

.nav-pill:hover {
  background-color: #3f3f3f;
}
.nav-pill.active {
  background-color: var(--yt-text);
  color: var(--yt-bg);
}

.error-message {
  display: none;
  color: #ff4e4e;
  background: rgba(255, 78, 78, 0.1);
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255, 78, 78, 0.3);
  margin-top: 15px;
  text-align: center;
  width: 100%;
}

.video-details {
  width: 100%;
  max-width: 640px;
  background: var(--yt-search-bg);
  border: 1px solid var(--yt-border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}

.detail-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-group label {
  font-size: 14px;
  color: var(--yt-text-secondary);
  font-weight: 500;
}

.detail-box {
  display: flex;
  background: #000;
  border-radius: 8px;
  border: 1px solid var(--yt-border);
  overflow: hidden;
}

.detail-box textarea, .detail-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--yt-text);
  padding: 12px 15px;
  font-family: 'Roboto', sans-serif;
  font-size: 15px;
  resize: vertical;
  outline: none;
}

.detail-box textarea {
  min-height: 80px;
}

.copy-btn {
  background: var(--yt-hover-bg);
  color: var(--yt-text);
  border: none;
  border-left: 1px solid var(--yt-border);
  padding: 0 15px;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover {
  background: var(--yt-border);
}

.copy-btn i {
  font-size: 16px;
}

/* Features Section */
.features-section {
  width: 100%;
  max-width: 100%;
  margin: 60px auto 40px;
  text-align: center;
  padding: 0 5%;
}

.features-section h2 {
  font-size: 32px;
  margin-bottom: 10px;
  font-weight: 700;
}

.features-section .subtitle {
  color: var(--yt-text-secondary);
  margin-bottom: 40px;
  font-size: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
  align-items: stretch;
}

.feature-card {
  background: var(--yt-search-bg);
  border: 1px solid var(--yt-border);
  border-radius: 12px;
  padding: 20px;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

@media (max-width: 800px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(255, 0, 0, 0.1);
  color: var(--yt-red);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-card p {
  color: var(--yt-text-secondary);
  font-size: 15px;
  line-height: 1.6;
  flex-grow: 1;
}

/* FAQ Section */
.faq-section {
  width: 100%;
  max-width: 800px;
  margin: 40px auto 80px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-section h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 30px;
}

.faq-item {
  background: var(--yt-search-bg);
  border: 1px solid var(--yt-border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.3s;
}

.faq-item.active {
  border-color: #8b5cf6;
}

.faq-question {
  padding: 20px;
  font-size: 16px;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  background: var(--yt-search-bg);
  color: var(--yt-text);
  transition: color 0.3s;
}

.faq-item.active .faq-question {
  color: #8b5cf6;
}

.faq-question i {
  transition: transform 0.3s;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--yt-text-secondary);
  line-height: 1.6;
  font-size: 15px;
}

.faq-item.active .faq-answer {
  padding: 0 20px 20px 20px;
  max-height: 500px;
  border-top: 1px solid var(--yt-border);
}

/* Footer */
footer {
  width: 100%;
  padding: 40px 20px 20px;
  border-top: 1px solid var(--yt-border);
  margin-top: 60px;
  background-color: var(--yt-bg);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--yt-text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

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

.footer-copyright {
  color: var(--yt-text-secondary);
  font-size: 14px;
  margin-top: 10px;
}

.static-page-main {
  width: 100%;
  max-width: 800px;
  padding: 40px 20px;
  margin: 0 auto;
}

.static-page-main h1 {
  font-size: 32px;
  margin-bottom: 20px;
}

.static-page-main h2 {
  font-size: 24px;
  margin-top: 30px;
  margin-bottom: 15px;
}

.static-page-main p {
  color: var(--yt-text-secondary);
  margin-bottom: 15px;
  line-height: 1.6;
}

/* SEO Content Section */
.seo-content {
  width: 100%;
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
  color: var(--yt-text-secondary);
  line-height: 1.8;
  font-size: 16px;
  text-align: left;
}

.seo-content h2 {
  color: var(--yt-text);
  font-size: 28px;
  margin-top: 40px;
  margin-bottom: 20px;
  font-weight: 700;
}

.seo-content h3 {
  color: var(--yt-text);
  font-size: 22px;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.seo-content p {
  margin-bottom: 20px;
}