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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f3f4f6;
  color: #1f2937;
  line-height: 1.6;
}

body.drawer-open {
  overflow: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  background-color: #f8fafc;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #374151;
}

.btn {
  background-color: #111827;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #0b1220;
}

.btn-primary {
  background-color: #111827;
}

.btn-primary:hover {
  background-color: #0b1220;
}

.btn-danger {
  background-color: #dc2626;
}

.btn-danger:hover {
  background-color: #b91c1c;
}

.btn-outline {
  background-color: transparent;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.btn-outline:hover {
  background-color: #f8fafc;
}

main {
  padding: 2rem 0;
}

.card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: #374151;
}

input,
textarea {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  font-size: 0.875rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #111827;
  box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.12);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.tabs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tab-card {
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tab-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.08);
}

.tab-image {
  width: 100%;
  height: 200px;
  background-color: #f3f4f6;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.tab-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}

.tab-card:hover .tab-image img {
  transform: scale(1.05);
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
  padding: 0.5rem;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

.nav-btn:hover {
  background-color: rgba(255, 255, 255, 0.95);
}

.nav-btn.prev {
  left: 0.5rem;
}

.nav-btn.next {
  right: 0.5rem;
}

.page-indicator {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(255, 255, 255, 0.8);
  padding: 0.25rem 0.5rem;
  border-radius: 1rem;
  font-size: 0.75rem;
}

.image-fallback {
  color: #6b7280;
  font-size: 0.875rem;
  text-align: center;
  padding: 1rem;
}

.tab-content {
  padding: 1rem;
}

.tab-title {
  font-size: 1.125rem;
  font-weight: bold;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.tab-artist {
  color: #4b5563;
  margin-bottom: 1rem;
}

.tab-actions {
  display: flex;
  gap: 0.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 0;
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #374151;
}

.empty-state p {
  color: #4b5563;
  margin-bottom: 1rem;
}

.message {
  background-color: #22c55e;
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.message.error {
  background-color: #dc2626;
}

.message.warning {
  background-color: #f59e0b;
}

.external-link {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  text-decoration: none;
  color: #374151;
  font-size: 0.75rem;
  border: 1px solid rgba(229, 231, 235, 0.9);
}

.header-tools {
  gap: 0.75rem;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: center;
}

.search-form input[type="search"] {
  max-width: 520px;
}

.form-hint {
  color: #6b7280;
  font-size: 0.8125rem;
  margin-top: 0.5rem;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.45);
  z-index: 50;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(520px, 92vw);
  background: #ffffff;
  border-left: 1px solid #e5e7eb;
  transform: translateX(100%);
  transition: transform 0.2s ease;
  z-index: 60;
  display: flex;
  flex-direction: column;
}

.drawer.is-open {
  transform: translateX(0);
}

.drawer-header {
  padding: 1rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.drawer-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
}

.drawer-subtitle {
  margin-top: 0.25rem;
  color: #6b7280;
  font-size: 0.875rem;
}

.drawer-body {
  padding: 1rem;
  overflow: auto;
}

.drawer-meta {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 0.75rem;
  background: #f9fafb;
}

.drawer-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  padding: 0.25rem 0;
}

.drawer-meta-label {
  color: #6b7280;
}

.drawer-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.drawer-footer {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 0;
  background: #ffffff;
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .logo h1 {
    font-size: 1.25rem;
  }
  
  .container {
    padding: 0 1rem;
  }

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