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

:root {
    --sw-bg: #121212;
    --sw-surface: #1e1e1e;
    --sw-card: #282828;
    --sw-text: #ffffff;
    --sw-text2: #b3b3b3;
    --sw-muted: #727272;
    --sw-green: #1db954;
    --sw-green-dark: #1aa34a;
    --sw-border: #333;
}

body.sw-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--sw-bg);
    color: var(--sw-text);
    min-height: 100vh;
}

.sw-nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 2rem; height: 52px; background: var(--sw-surface);
    border-bottom: 1px solid var(--sw-border);
}

.sw-brand { font-size: 1.2rem; font-weight: 700; color: var(--sw-green); }
.sw-nav-r { display: flex; align-items: center; gap: 1rem; }
.sw-link { color: var(--sw-text2); text-decoration: none; font-size: 0.85rem; }
.sw-link:hover, .sw-link.active { color: var(--sw-text); }
.sw-user { color: var(--sw-muted); font-size: 0.85rem; }

.sw-btn {
    display: inline-block; padding: 0.45rem 1.2rem; background: var(--sw-green);
    color: var(--sw-bg); border: none; border-radius: 20px; font-size: 0.85rem;
    font-weight: 700; cursor: pointer; text-decoration: none; font-family: inherit;
}
.sw-btn:hover { background: var(--sw-green-dark); transform: scale(1.02); }
.sw-btn.outline { background: none; color: var(--sw-text2); border: 1px solid var(--sw-border); }
.sw-btn.lg { padding: 0.7rem 2.5rem; font-size: 1rem; }
.sw-btn.sm { padding: 0.25rem 0.7rem; font-size: 0.8rem; }
.sw-btn.block { width: 100%; text-align: center; }

.sw-hero {
    text-align: center; padding: 8rem 2rem; max-width: 600px; margin: 0 auto;
}
.sw-hero h1 { font-size: 3rem; font-weight: 900; margin-bottom: 1rem; line-height: 1.1; }
.sw-gradient {
    background: linear-gradient(135deg, var(--sw-green), #1ed760, #4ade80);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.sw-hero p { color: var(--sw-text2); font-size: 1.1rem; margin-bottom: 2rem; }

/* Login */
.sw-login-page { display: flex; }
.sw-login-center { display: flex; justify-content: center; align-items: center; width: 100%; min-height: 100vh; padding: 2rem; }
.sw-login-card {
    width: 100%; max-width: 380px; background: var(--sw-surface);
    border-radius: 8px; padding: 2.5rem; text-align: center;
}
.sw-login-card h1 { font-size: 1.5rem; color: var(--sw-green); margin-bottom: 0.3rem; }
.sw-login-card > p { color: var(--sw-text2); font-size: 0.9rem; margin-bottom: 1.5rem; }
.sw-form { display: flex; flex-direction: column; gap: 0.7rem; }
.sw-form input {
    padding: 0.6rem 0.8rem; background: var(--sw-card); border: 1px solid var(--sw-border);
    border-radius: 4px; color: var(--sw-text); font-size: 0.9rem; font-family: inherit;
}
.sw-form input:focus { outline: none; border-color: var(--sw-green); }
.sw-alert { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #ef4444; padding: 0.5rem; border-radius: 4px; font-size: 0.85rem; margin-bottom: 0.5rem; }
.sw-demo { margin-top: 1.5rem; font-size: 0.8rem; color: var(--sw-muted); }
.sw-demo code { background: var(--sw-card); padding: 0.1rem 0.3rem; border-radius: 3px; color: var(--sw-green); }

/* Content */
.sw-content { max-width: 900px; margin: 0 auto; padding: 2rem; }
.sw-content h1 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.sw-content h2 { font-size: 1.1rem; margin: 1.5rem 0 1rem; color: var(--sw-text2); }

/* Player bar */
.sw-player-bar {
    background: var(--sw-card); border: 1px solid var(--sw-border);
    border-radius: 8px; padding: 1rem 1.5rem; margin-bottom: 2rem;
    display: flex; align-items: center; gap: 1.5rem;
}
.sw-now-playing { display: flex; align-items: center; gap: 0.8rem; }
.sw-track-art { width: 48px; height: 48px; background: var(--sw-surface); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.sw-track-name { font-weight: 600; font-size: 0.9rem; }
.sw-track-artist { font-size: 0.8rem; color: var(--sw-muted); }
.sw-controls { display: flex; gap: 0.5rem; }
.sw-ctrl { background: none; border: none; color: var(--sw-text2); font-size: 1.2rem; cursor: pointer; padding: 0.3rem; }
.sw-ctrl.play { color: var(--sw-green); font-size: 1.5rem; }
.sw-progress { flex: 1; height: 4px; background: var(--sw-border); border-radius: 2px; }
.sw-progress-bar { height: 100%; background: var(--sw-green); border-radius: 2px; }

/* Playlists */
.sw-playlists { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.sw-playlist-card {
    background: var(--sw-card); border-radius: 6px; padding: 1rem;
    transition: background 0.2s; cursor: pointer;
}
.sw-playlist-card:hover { background: var(--sw-surface); }
.sw-playlist-art { width: 100%; aspect-ratio: 1; background: var(--sw-surface); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 3rem; margin-bottom: 0.8rem; }
.sw-playlist-card h3 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.sw-playlist-card p { font-size: 0.8rem; color: var(--sw-muted); }

/* Table */
.sw-table { width: 100%; border-collapse: collapse; background: var(--sw-surface); border-radius: 6px; overflow: hidden; }
.sw-table th { padding: 0.5rem 1rem; text-align: left; font-size: 0.75rem; text-transform: uppercase; color: var(--sw-muted); background: var(--sw-card); }
.sw-table td { padding: 0.5rem 1rem; font-size: 0.85rem; border-top: 1px solid var(--sw-border); }

/* Flag */
.sw-flag-box {
    background: rgba(29,185,84,0.1); border: 2px solid var(--sw-green);
    border-radius: 8px; padding: 1rem; font-family: monospace; font-size: 1.1rem;
    color: var(--sw-green); margin-bottom: 1.5rem; text-align: center;
}

/* Error */
.sw-error { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; text-align: center; }
.sw-error h1 { font-size: 5rem; color: var(--sw-green); }
.sw-error p { color: var(--sw-text2); margin-bottom: 2rem; }

.sw-footer { text-align: center; padding: 2rem; color: var(--sw-muted); font-size: 0.8rem; }

@media (max-width: 600px) {
    .sw-playlists { grid-template-columns: repeat(2, 1fr); }
    .sw-player-bar { flex-direction: column; }
    .sw-hero h1 { font-size: 2rem; }
}