:root {
  --bg-color: #0d0e12;
  --card-bg: #181a20;
  --accent: #ff0055;
  --text: #ffffff;
  --text-dim: #a0a0a0;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text);
}

header {
  background: #12141a;
  border-bottom: 1px solid #222;
  padding: 1rem 2rem;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent);
  text-decoration: none;
}

nav a, nav button {
  color: var(--text);
  margin-left: 1rem;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

main {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-4px);
}

.card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.card-info {
  padding: 0.8rem;
}

.card-title {
  font-weight: bold;
  margin-bottom: 0.2rem;
}

.card-artist {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.form-container {
  max-width: 500px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
}

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

label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--text-dim);
}

input, textarea {
  width: 100%;
  padding: 0.6rem;
  background: #0d0e12;
  border: 1px solid #333;
  color: #fff;
  border-radius: 4px;
  box-sizing: border-box;
}

button.btn-submit {
  width: 100%;
  padding: 0.75rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
}

.song-detail {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.song-cover {
  width: 300px;
  height: 300px;
  border-radius: 8px;
  object-fit: cover;
}

.lyrics-box {
  white-space: pre-wrap;
  line-height: 1.6;
  font-size: 1.1rem;
  background: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
  flex: 1;
  min-width: 300px;
}

.hidden { display: none; }

.search-box {
  display: flex;
  gap: 0.5rem;
}

.search-box input {
  width: 250px;
  padding: 0.4rem 0.8rem;
}

.search-box button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.badge {
  display: inline-block;
  background: #252830;
  color: var(--accent);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.8rem;
  text-transform: capitalize;
  border: 1px solid #3b3f4d;
}

.badge:hover {
  background: var(--accent);
  color: #fff;
}