/* --- MyLineup Brand Identity --- */
/* --- Kleuren & Typografie (Herziene versie) --- */
:root {
    /* Kleurenpalet (Dark Mode Standaard) */
    --bg-color: #121212;
    --ui-color: #1E1E1E;
    --text-primary: #F5F5F5;
    --text-secondary: #A9A9A9;
    --accent-color: #FF5B5B;
    --secondary-accent: #8A2BE2;
    --border-color: #282828;
    --spotify-green: #1DB954;

    /* Typografie */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Brand Gradient */
    --brand-gradient: linear-gradient(90deg, var(--secondary-accent), var(--accent-color));
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* --- Algemene Componenten --- */
.main-nav {
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}

.nav-link {
    display: inline-block;
    background-color: var(--ui-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    transition: all 0.2s ease-in-out;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
}
.nav-link:hover {
    color: var(--text-primary);
    border-color: #444;
    transform: translateY(-2px);
}
.nav-link.active {
    color: white;
    font-weight: 600;
    background-image: var(--brand-gradient);
    border-color: transparent;
    box-shadow: 0 0 15px rgba(255, 91, 91, 0.2);
    background-size: 105% auto;
    background-position: center;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

.spinner-small {
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-left-color: var(--accent-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Kaart & Lijst Styling --- */
.data-grid, .list-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.artist-card {
    background-color: var(--ui-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.artist-card:hover {
    transform: translateY(-5px);
    border-color: #444;
}
.artist-card-body {
    flex-grow: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}
.artist-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background-color: #333;
}
.artist-image-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    background-color: #282828;
    display: flex;
    align-items: center;
    justify-content: center;
}

.concert-info {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.event-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}
.event-link:hover {
    color: var(--accent-color);
}
.concert-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.concert-details {
    min-width: 0;
}
.concert-details > .event-link {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

/* --- Knoppen & Formulieren --- */
.ai-section {
    background-color: var(--ui-color);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 4rem;
}

.ai-section h2 {
    margin-top: 0;
}

.ai-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    border-radius: 9999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    font-size: 0.875rem;
}
.btn-primary {
    background-image: var(--brand-gradient);
    color: white;
    border-color: transparent;
    background-size: 105% auto;
    background-position: center;
}
.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 91, 91, 0.3);
}
.btn-secondary {
    background-color: var(--ui-color);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background-color: #2a2a2a;
    border-color: #444;
}

.ai-submit-btn {
    border-color: var(--secondary-accent);
}
.ai-submit-btn:hover {
    background-color: var(--secondary-accent);
    color: white;
}

.ai-textarea {
    background-color: var(--ui-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    width: 100%;
    transition: border-color 0.3s;
}
.ai-textarea:focus {
    outline: none;
    border-color: var(--secondary-accent);
}

.filter-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-right: 0.5rem;
}
.filter-select {
    background-color: var(--ui-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
}

/* Actie knoppen (Wishlist, Attended) */
.action-buttons {
    display: flex;
    gap: 0.5rem;
}
.wishlist-btn, .attended-btn {
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}
.wishlist-btn:hover { color: var(--accent-color); transform: scale(1.1); }
.attended-btn:hover { color: #34D399; transform: scale(1.1); }

.wishlist-btn.wished { color: var(--accent-color); }
.attended-btn.attended { color: #34D399; }


/* --- Login & Koppel Pagina's --- */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}
.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(4px) brightness(0.6);
    transform: scale(1.1);
}

.login-button {
    background-color: var(--spotify-green);
    color: white;
}
.login-button:hover {
    background-color: #1ED760;
}

/* NIEUW: Stijl voor de Spotify koppel-prompt */
.spotify-koppel-prompt {
    background-color: var(--ui-color);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    grid-column: 1 / -1;
    border: 1px solid var(--border-color);
}
.spotify-koppel-prompt h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    margin-top: 0;
}
.spotify-koppel-prompt p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.spotify-koppel-prompt .btn {
    gap: 0.75rem;
}


.hidden {
    display: none !important;
}