:root {
  --bg-dark: #0f172a;
  --card-bg: #1e293b;
  --accent: #6366f1;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --whatsapp: #25d366;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, sans-serif; }

body { background-color: var(--bg-dark); color: var(--text-main); min-height: 100vh; padding-bottom: 90px; }

header { background-color: var(--card-bg); padding: 1rem 1.5rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #334155; position: sticky; top: 0; z-index: 100; }
.logo { font-size: 1.25rem; font-weight: bold; color: var(--accent); }

.dropdown { position: relative; }
.dropbtn { background: var(--accent); color: white; padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; }
.dropdown-content { display: none; position: absolute; right: 0; background-color: var(--card-bg); min-width: 180px; box-shadow: 0px 8px 16px rgba(0,0,0,0.4); border-radius: 8px; border: 1px solid #334155; overflow: hidden; z-index: 1000; }
.dropdown-content a { color: var(--text-main); padding: 12px 16px; text-decoration: none; display: block; }
.dropdown-content a:hover { background-color: #334155; }
.dropdown:hover .dropdown-content { display: block; }

.hero { padding: 2.5rem 1.5rem; text-align: center; background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%); }
.hero h1 { font-size: 1.8rem; margin-bottom: 1rem; }
.hero p { color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.5; }

.btn-whatsapp { display: inline-flex; align-items: center; gap: 8px; background-color: var(--whatsapp); color: white; padding: 12px 24px; border-radius: 30px; text-decoration: none; font-weight: bold; font-size: 1rem; }
.btn-pwa { background-color: var(--accent); color: white; padding: 10px 20px; border: none; border-radius: 30px; font-weight: bold; cursor: pointer; margin-top: 10px; }

.container { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }
.grid-songs { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 1rem; }
.song-card { background-color: var(--card-bg); border-radius: 12px; padding: 1rem; border: 1px solid #334155; display: flex; flex-direction: column; }
.song-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 8px; margin-bottom: 0.8rem; }
.song-genre { font-size: 0.75rem; text-transform: uppercase; color: var(--accent); font-weight: bold; }
.song-title { font-size: 1.1rem; font-weight: bold; margin: 4px 0; }
.song-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 10px; }
.btn-play, .btn-download { flex: 1; padding: 8px; border: none; border-radius: 6px; font-weight: bold; cursor: pointer; text-align: center; text-decoration: none; display: inline-block;}
.btn-play { background-color: var(--accent); color: white; }
.btn-download { background-color: #334155; color: white; }

.player-bar { position: fixed; bottom: 0; left: 0; width: 100%; background-color: #1e293b; border-top: 1px solid #334155; padding: 10px 1.5rem; display: flex; align-items: center; justify-content: space-between; z-index: 200; }
.player-info { display: flex; align-items: center; gap: 12px; }
.player-info img { width: 45px; height: 45px; border-radius: 6px; object-fit: cover; }
.player-controls button { background: var(--accent); border: none; color: white; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 1.2rem; }

.form-box { background-color: var(--card-bg); padding: 2rem; border-radius: 12px; max-width: 500px; margin: 2rem auto; border: 1px solid #334155; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-muted); }
.form-group input { width: 100%; padding: 10px; border-radius: 6px; border: 1px solid #334155; background-color: #0f172a; color: white; }

footer { text-align: center; padding: 2rem 1rem; color: var(--text-muted); font-size: 0.9rem; }