@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-tertiary: #334155;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-accent: #8b5cf6;
    --color-accent-hover: #7c3aed;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-bandcamp: #629aa9;
    --color-spotify: #1db954;
    --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-card-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --transition-smooth: all 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.navbar {
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-bg-tertiary);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
    background-color: var(--color-bg-tertiary);
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
}

.page-subtitle {
    color: var(--color-text-secondary);
    margin: 0;
}

.filter-bar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-bg-tertiary);
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.filter-btn:hover {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.filter-btn.active {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.releases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.release-card {
    background-color: var(--color-bg-secondary);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.release-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.release-image-container {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background-color: var(--color-bg-tertiary);
    overflow: hidden;
}

.release-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.release-card:hover .release-image {
    transform: scale(1.05);
}

.release-content {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.release-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.25rem 0;
    line-height: 1.4;
}

.release-artist {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0 0 0.75rem 0;
}

.release-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.source-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.source-badge.bandcamp {
    background-color: rgba(98, 154, 169, 0.2);
    color: var(--color-bandcamp);
}

.source-badge.spotify {
    background-color: rgba(29, 185, 84, 0.2);
    color: var(--color-spotify);
}

.tag-badge {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}

.release-player {
    margin-bottom: 0.75rem;
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: var(--color-bg-primary);
}

.release-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.action-btn {
    flex: 1;
    padding: 0.625rem 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.action-btn-shortlist {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.action-btn-shortlist:hover {
    background-color: var(--color-success);
    color: white;
}

.action-btn-discard {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-bg-tertiary);
}

.action-btn-discard:hover {
    background-color: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}

.settings-container {
    max-width: 800px;
}

.settings-table {
    width: 100%;
    background-color: var(--color-bg-secondary);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 2rem;
}

.settings-table table {
    width: 100%;
    border-collapse: collapse;
}

.settings-table th,
.settings-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-bg-tertiary);
}

.settings-table th {
    background-color: var(--color-bg-tertiary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

.settings-table tr:last-child td {
    border-bottom: none;
}

.settings-table tr:hover td {
    background-color: var(--color-bg-primary);
}

.tag-name {
    font-weight: 600;
}

.tag-sources {
    display: flex;
    gap: 0.5rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg-tertiary);
    transition: var(--transition-smooth);
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-smooth);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-accent);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.delete-btn {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition-smooth);
}

.delete-btn:hover {
    background-color: var(--color-danger);
    color: white;
}

.add-tag-form {
    background-color: var(--color-bg-secondary);
    padding: 1.5rem;
    border-radius: 1rem;
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-bg-tertiary);
    border-radius: 0.5rem;
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.checkbox-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-input {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--color-accent);
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

    .main-container {
        padding: 1rem;
    }

    .releases-grid {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        justify-content: center;
    }

    .page-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .release-actions {
        flex-direction: column;
    }

    .action-btn {
        width: 100%;
    }

    /* Table responsive */
    #releases-table {
        overflow-x: auto;
    }

    #releases-table table {
        min-width: 700px;
    }
}