:root {
    --spotify-green: #1DB954;
    --spotify-black: #121212;
    --spotify-gray-dark: #181818;
    --spotify-gray-light: #282828;
    --spotify-gray-text: #b3b3b3;
}
body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--spotify-black);
}
.spotify-card {
    background-color: var(--spotify-gray-dark);
}
.spotify-input {
    background-color: var(--spotify-gray-light);
    border-color: #404040;
}
.spotify-input:focus {
    border-color: var(--spotify-green);
    box-shadow: 0 0 0 2px rgba(29, 185, 84, 0.5);
}
.spotify-btn-primary {
    background-color: var(--spotify-green);
    color: var(--spotify-black);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
 .spotify-btn-secondary {
    background-color: #ffffff;
    color: var(--spotify-black);
    font-weight: 800;
}
.spotify-options-bg {
    background-color: var(--spotify-gray-light);
    border-color: #404040;
}
label.spotify-option:has(input:checked),
.lang-btn.lang-active {
    background-color: var(--spotify-green);
    color: var(--spotify-black) !important;
    font-weight: 700;
}
 .spotify-option {
    color: var(--spotify-gray-text);
 }
#preview-container {
     background-color: var(--spotify-black);
}
#preview-container canvas {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 16/9;
    border-radius: 0.5rem;
}
.spinner {
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
    border-left-color: var(--spotify-green);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.modal {
    background-color: rgba(0,0,0,0.75);
    transition: opacity 0.3s ease;
}
.modal-content {
     background-color: var(--spotify-gray-light);
}
/* Tooltip styles */
.tooltip-trigger:focus-within .tooltip-content,
.tooltip-trigger:hover .tooltip-content {
    display: block;
}