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

:root {
    --primary-color: #1db954;
    --primary-dark: #1ed760;
    --secondary-color: #191414;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --border-color: #333333;
    --error-color: #e22134;
    --success-color: #1db954;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1e1e1e 0%, #121212 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

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

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.search-section {
    margin-bottom: 30px;
}

.search-box {
    display: flex;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto 15px;
}

.search-options {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.search-type-toggle {
    display: flex;
    gap: 0;
    background: var(--card-bg);
    border-radius: 25px;
    padding: 4px;
    border: 1px solid var(--border-color);
}

.toggle-btn {
    padding: 8px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: white;
}

.download-option {
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-option label {
    color: var(--text-secondary);
    margin-right: 10px;
    font-size: 0.95rem;
}

.download-select {
    padding: 8px 15px;
    font-size: 0.95rem;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background: var(--card-bg);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-select:hover {
    border-color: var(--primary-color);
}

.download-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

#searchInput {
    flex: 1;
    padding: 15px 20px;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--card-bg);
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
}

#searchInput:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

.btn {
    padding: 15px 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(29, 185, 84, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-download {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-download:hover {
    background: var(--primary-color);
    color: white;
}

.btn-download:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.downloaded-badge {
    padding: 10px 20px;
    background: var(--success-color);
    color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background: rgba(226, 33, 52, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.results {
    margin-top: 30px;
}

.results h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.tracks-list {
    display: grid;
    gap: 15px;
}

.track-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.track-card:hover {
    background: #252525;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.track-art {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.track-artist {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.track-album {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.track-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.download-status {
    margin-top: 30px;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(29, 185, 84, 0.1), rgba(30, 215, 96, 0.05));
    border-radius: 15px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(29, 185, 84, 0.3);
    position: sticky;
    top: 20px;
    z-index: 100;
}

.download-status h2 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.queue-count {
    font-size: 0.9rem;
    font-weight: normal;
    color: var(--text-secondary);
}

.status-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.status-item {
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid;
    transition: all 0.3s ease;
}

.status-item:hover {
    transform: translateX(2px);
}

.status-queued {
    background: rgba(179, 179, 179, 0.1);
    border-color: var(--text-secondary);
}

.status-processing {
    background: rgba(29, 185, 84, 0.1);
    border-color: var(--primary-color);
}

.status-completed {
    background: rgba(29, 185, 84, 0.2);
    border-color: var(--success-color);
}

.status-error {
    background: rgba(226, 33, 52, 0.1);
    border-color: var(--error-color);
}

.status-item-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}

.status-art {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.status-item-info {
    flex: 1;
    min-width: 0;
}

.status-item-info h3 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-artist {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.status-badge-queued {
    background: rgba(179, 179, 179, 0.2);
    color: var(--text-secondary);
}

.status-badge-processing {
    background: rgba(29, 185, 84, 0.2);
    color: var(--primary-color);
}

.status-badge-completed {
    background: rgba(29, 185, 84, 0.3);
    color: var(--success-color);
}

.status-badge-error {
    background: rgba(226, 33, 52, 0.2);
    color: var(--error-color);
}

.status-message {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 8px 0 0 0;
}

.progress-bar-container {
    margin-top: 10px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 3px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(29, 185, 84, 0.5);
}

.hidden {
    display: none !important;
}

/* Candidate Selection Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--surface);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.modal-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 60vh;
}

.modal-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.looking-for {
    background: var(--background);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 3px solid var(--primary);
}

.candidates-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.candidate-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--background);
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: border-color 0.2s, transform 0.2s;
}

.candidate-card:hover {
    border-color: var(--primary);
    transform: translateX(4px);
}

.candidate-thumb {
    width: 100px;
    height: 56px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

.candidate-info {
    flex: 1;
    min-width: 0;
}

.candidate-title {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.25rem;
}

.candidate-channel {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.candidate-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
}

.candidate-duration {
    color: var(--text-secondary);
}

.candidate-score {
    font-weight: 600;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.score-high {
    background: rgba(29, 185, 84, 0.2);
    color: var(--primary);
}

.score-medium {
    background: rgba(247, 147, 30, 0.2);
    color: #f7931e;
}

.score-low {
    background: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
}

.candidate-select {
    flex-shrink: 0;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
}

.btn-secondary {
    background: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

/* Album Cards */
.albums-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.album-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.album-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

.album-art {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 12px;
}

.album-info {
    text-align: center;
}

.album-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.album-artist {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.album-meta {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Album Modal */
.modal-large {
    max-width: 700px;
}

.album-header {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.album-detail-art {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.album-header-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.album-header-info h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.album-header-artist {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 4px;
}

.album-header-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.album-tracks-list {
    max-height: 300px;
    overflow-y: auto;
}

.album-track {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: 6px;
    transition: background 0.2s;
}

.album-track:hover {
    background: rgba(255, 255, 255, 0.05);
}

.track-number {
    width: 30px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.track-details {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.track-title {
    color: var(--text-primary);
}

.track-duration {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.modal-footer {
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .search-box {
        flex-direction: column;
    }

    .track-card {
        flex-direction: column;
        text-align: center;
    }

    .track-actions {
        width: 100%;
        justify-content: center;
    }
}