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

:root {
  --primary: #ff0050;
  --primary-dark: #cc0040;
  --bg-gradient-1: #0f0c29;
  --bg-gradient-2: #302b63;
  --bg-gradient-3: #24243e;
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --success: #00c853;
  --error: #ff5252;
  --mp3: #7c4dff;
  --mp3-dark: #5e35b1;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-gradient-1) 0%, var(--bg-gradient-2) 50%, var(--bg-gradient-3) 100%);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header { text-align: center; margin-bottom: 40px; }
.logo { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 10px; }
.logo i { font-size: 48px; color: var(--primary); }
.logo h1 { font-size: 42px; font-weight: 700; letter-spacing: -1px; }
.logo h1 span { color: var(--primary); }
.tagline { color: var(--text-secondary); font-size: 16px; }

.search-section { margin-bottom: 30px; }
.search-box {
  display: flex; gap: 10px; background: var(--card-bg); padding: 8px;
  border-radius: 16px; border: 1px solid var(--card-border);
  backdrop-filter: blur(10px); transition: all 0.3s ease;
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 20px rgba(255, 0, 80, 0.2); }
.search-box input {
  flex: 1; padding: 16px 20px; font-size: 16px;
  background: transparent; border: none; outline: none; color: var(--text-primary);
}
.search-box input::placeholder { color: var(--text-secondary); }

.btn-primary {
  display: flex; align-items: center; gap: 8px; padding: 16px 28px;
  background: var(--primary); color: white; border: none; border-radius: 12px;
  font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s ease;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255, 0, 80, 0.3); }
.btn-primary:active { transform: translateY(0); }

.url-hint { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding: 10px 16px; color: var(--text-secondary); font-size: 13px; }
.url-hint i { color: var(--primary); }

.loader { text-align: center; padding: 40px; }
.spinner {
  width: 50px; height: 50px; border: 4px solid var(--card-border);
  border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader p { color: var(--text-secondary); }

.error-message {
  display: flex; align-items: center; gap: 12px; padding: 16px 20px;
  background: rgba(255, 82, 82, 0.1); border: 1px solid var(--error);
  border-radius: 12px; color: var(--error); margin-bottom: 20px;
}

.video-info { animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.video-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 20px; overflow: hidden; backdrop-filter: blur(10px); margin-bottom: 30px;
}
.video-thumbnail { position: relative; width: 100%; aspect-ratio: 16/9; overflow: hidden; }
.video-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
.duration {
  position: absolute; bottom: 12px; right: 12px;
  background: rgba(0, 0, 0, 0.85); padding: 6px 12px;
  border-radius: 6px; font-size: 14px; font-weight: 500;
}
.video-details { padding: 24px; }
.video-details h2 { font-size: 22px; font-weight: 600; margin-bottom: 12px; line-height: 1.4; }
.meta-info { display: flex; gap: 20px; margin-bottom: 16px; flex-wrap: wrap; }
.meta-info span { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 14px; }
.meta-info i { color: var(--primary); }
.description { color: var(--text-secondary); font-size: 14px; max-height: 80px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }

.download-group { margin-bottom: 24px; }
.group-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; margin-bottom: 14px; padding: 0 4px;
}
.group-title i { color: var(--primary); font-size: 20px; }
#mp3Group .group-title i { color: var(--mp3); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}

.service-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
}
.service-card:hover {
  border-color: var(--primary);
  background: rgba(255, 0, 80, 0.1);
  transform: translateY(-2px);
}
#mp3Group .service-card:hover {
  border-color: var(--mp3);
  background: rgba(124, 77, 255, 0.1);
}
.service-card .svc-info { display: flex; align-items: center; gap: 12px; }
.service-card .svc-icon { font-size: 22px; }
#mp3Group .svc-icon { color: var(--mp3); }
.service-card .svc-name { font-weight: 600; font-size: 14px; }
.service-card .svc-desc { font-size: 12px; color: var(--text-secondary); }
.service-card .svc-arrow { color: var(--text-secondary); }

.copy-section {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 24px; margin-top: 24px; backdrop-filter: blur(10px);
}
.copy-section h3 { display: flex; align-items: center; gap: 10px; font-size: 18px; margin-bottom: 16px; }
.copy-section h3 i { color: var(--primary); }
.cmd-box {
  display: flex; align-items: center; gap: 12px;
  background: rgba(0,0,0,0.3); padding: 14px 18px; border-radius: 10px;
  border: 1px solid var(--card-border); margin-bottom: 10px;
}
.cmd-box code {
  flex: 1; font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px; color: #0f0; word-break: break-all;
}
.btn-copy {
  padding: 8px 16px; background: var(--primary); color: white;
  border: none; border-radius: 8px; cursor: pointer; font-weight: 600;
  transition: all 0.3s ease; white-space: nowrap;
}
.btn-copy:hover { background: var(--primary-dark); }
.cmd-hint { margin-top: 10px; font-size: 13px; color: var(--text-secondary); }
.cmd-hint code { background: rgba(255,255,255,0.1); padding: 2px 6px; border-radius: 4px; font-size: 12px; }

.footer { margin-top: auto; padding-top: 40px; text-align: center; color: var(--text-secondary); font-size: 14px; }
.footer i { color: var(--primary); }

@media (max-width: 768px) {
  .container { padding: 20px 16px; }
  .logo h1 { font-size: 32px; }
  .logo i { font-size: 36px; }
  .search-box { flex-direction: column; }
  .btn-primary { justify-content: center; }
  .video-details h2 { font-size: 18px; }
  .meta-info { flex-direction: column; gap: 10px; }
  .cmd-box { flex-direction: column; gap: 10px; }
  .service-grid { grid-template-columns: 1fr; }
}