:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --accent: #bb86fc;
    --primary: #6200ee;
    --primary-hover: #7c4dff;
    --success: #03dac6;
    --error: #cf6679;
    --spotify-green: #1DB954;
    --yt-red: #FF0000;
    --border-radius: 8px;
    --font-family: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
    flex: 1;
}

/* Header */
header { text-align: center; margin-bottom: 2rem; }
h1 { font-size: 2.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.accent { color: var(--accent); }
header p { color: var(--text-muted); }

/* Platform Selector */
.platform-selector-wrapper { margin-bottom: 1rem; }
.label { font-size: 0.9rem; margin-bottom: 0.5rem; color: var(--text-muted); }

.platform-selector {
    display: flex;
    gap: 0.5rem;
    background: var(--card-bg);
    padding: 5px;
    border-radius: var(--border-radius);
    border: 1px solid #333;
}

.platform-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.platform-btn:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }

.platform-btn.selected {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.platform-btn[data-platform="spotify"].selected { background: var(--spotify-green); color: black; }
.platform-btn[data-platform="youtube"].selected { background: var(--yt-red); }
.platform-btn[data-platform="yt_music"].selected { background: #fa2c2c; }

/* Input Section */
.textarea-wrapper { margin-bottom: 1rem; position: relative; }
textarea {
    width: 100%; height: 150px;
    background-color: var(--card-bg);
    border: 1px solid #333;
    border-radius: var(--border-radius);
    padding: 1rem;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1rem;
    resize: vertical;
}
textarea:focus { outline: none; border-color: var(--accent); }

/* AI Badge */
.ai-badge {
    position: absolute;
    top: -10px;
    right: 10px;
    background: var(--success);
    color: #000;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    z-index: 10;
    animation: fadeIn 0.3s ease;
}

.controls { display: flex; gap: 1rem; margin-bottom: 1rem; }

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem; border: none; border-radius: var(--border-radius);
    font-weight: 600; cursor: pointer; font-size: 1rem;
    display: inline-flex; align-items: center; justify-content: center;
    text-decoration: none; transition: transform 0.1s;
}
.btn:active { transform: scale(0.98); }

.primary { background-color: var(--primary); color: white; flex: 2; }
.primary:hover { background-color: var(--primary-hover); }

.secondary { background-color: transparent; border: 1px solid #333; color: var(--text-muted); flex: 1; }
.secondary:hover { border-color: var(--text-main); color: var(--text-main); }

.success {
    background-color: var(--card-bg); 
    border: 1px solid var(--accent); 
    color: var(--accent);
    width: 100%; margin-bottom: 0.5rem;
}
.success:hover { background-color: var(--accent); color: #000; }

.outline {
    background: transparent;
    border: 1px dashed var(--text-muted);
    color: var(--text-main);
    width: 100%;
}
.outline:hover { border-color: var(--text-main); border-style: solid; }

.share-container { margin-bottom: 1.5rem; text-align: center; }
.share-btn { font-size: 0.9rem; margin-bottom: 0.5rem; }

.subtext { text-align: center; font-size: 0.75rem; color: #666; margin-top: -5px; margin-bottom: 15px; }

/* Status */
.status-message { text-align: center; font-size: 0.9rem; min-height: 1.5rem; color: var(--accent); }
.loader {
    width: 16px; height: 16px; border: 2px solid #ffffff;
    border-bottom-color: transparent; border-radius: 50%;
    display: inline-block; animation: rotation 1s linear infinite; margin-left: 10px;
}
.hidden { display: none !important; }

/* Results */
.results-section { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid #333; animation: fadeIn 0.5s ease; }
.list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.track-list { list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }

.track-card {
    background-color: var(--card-bg); padding: 0.75rem;
    border-radius: var(--border-radius);
    display: flex; align-items: center; gap: 1rem;
}
.thumb { width: 60px; height: 60px; object-fit: cover; border-radius: 4px; background-color: #000; }
.track-info { flex: 1; overflow: hidden; }
.track-title { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 0.25rem; }
.track-channel { font-size: 0.8rem; color: var(--text-muted); }
.track-link { color: var(--accent); text-decoration: none; font-size: 0.9rem; padding: 0.5rem; white-space: nowrap; }

/* ARTIST MODE STYLES */
.artist-mode-section {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeIn 0.5s ease;
}

.artist-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid #333;
}

.artist-info h2 {
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.artist-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.artist-btn {
    width: auto;
    padding: 0.75rem 2rem;
    background-color: var(--primary);
    color: white;
}
.artist-btn:hover {
    background-color: var(--primary-hover);
    color: white;
}

/* Footer & Branding */
footer { text-align: center; padding: 2rem; border-top: 1px solid #333; color: var(--text-muted); font-size: 0.8rem; margin-top: auto; }
.branding { margin-top: 10px; color: var(--text-main); font-weight: 600; }
.branding a { color: var(--accent); text-decoration: none; }
.branding a:hover { text-decoration: underline; }

/* Animations */
@keyframes rotation { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 400px) {
    .controls { flex-direction: column; }
    .platform-selector { flex-direction: column; }
}