:root {
    --bg-color: #0b0b0e;
    --text-color: #ffffff;
    --secondary-text: #a0a0a0;
    --primary-color: #1db954;
    --secondary-bg: #16161a;
    --card-bg: #1e1e24;
    --border-color: #2e2e36;
    --error-color: #e22134;
    --glass-bg: rgba(255, 255, 255, 0.03);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 800px;
    padding: 2rem;
    box-sizing: border-box;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.05em;
    background: linear-gradient(to right, #1db954, #ff5500, #ff0000, #fa243c, #1db954);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -moz-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: lavaLamp 5s linear infinite;
}

@keyframes lavaLamp {
    to {
        background-position: 200% center;
    }
}

header p {
    color: var(--secondary-text);
    font-size: 1.1rem;
}

form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 3rem;
    background-color: var(--secondary-bg);
    padding: 0.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

input[type="url"] {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: none;
    background-color: transparent;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
}

#convertBtn {
    padding: 1rem 2rem;
    border-radius: 12px;
    border: none;
    background-color: var(--text-color);
    color: var(--bg-color);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

#convertBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,255,255,0.1);
}

#convertBtn:active {
    transform: translateY(0);
}

#convertBtn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#results {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.track-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 3rem;
}

#trackArt {
    width: 180px;
    height: 180px;
    border-radius: 24px;
    object-fit: cover;
    margin-bottom: 1.5rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

#trackArt:hover {
    transform: scale(1.02);
}

.track-details h2 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.track-details p {
    margin: 0.5rem 0 0;
    font-size: 1.2rem;
    color: var(--secondary-text);
}

/* Grid Layout for Links */
.links-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.platform-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.platform-card:hover {
    border-color: var(--brand-color, var(--border-color));
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-header i {
    font-size: 2rem;
}

.card-header span {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-actions {
    display: flex;
    gap: 0.75rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 12px;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.action-btn.open {
    flex: 1;
    background-color: var(--brand-color);
    color: #000;
}

.action-btn.copy {
    box-sizing: border-box;
    width: 48px;
    background-color: var(--glass-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.action-btn.copy:hover {
    background-color: rgba(255,255,255,0.1);
}

.action-btn.open:hover {
    filter: brightness(1.1);
}

.platform-card.failed {
    opacity: 0.5;
}

.not-found {
    font-size: 0.9rem;
    color: var(--secondary-text);
    font-style: italic;
}

.hidden { display: none !important; }

#loading { text-align: center; padding: 2rem; }

.spinner {
    box-sizing: border-box;
    border: 3px solid rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border-left-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

@media (max-width: 600px) {
    .container { padding: 1rem; }
    h1 { font-size: 2.2rem; }
    .links-container { grid-template-columns: 1fr; }
    form { flex-direction: column; padding: 1rem; }
}

.loading-skeleton {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.share-container {
    margin-top: 4rem;
    padding: 2rem;
    background-color: var(--secondary-bg);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.share-container h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}

.share-input-group {
    display: flex;
    gap: 0.5rem;
    background-color: var(--bg-color);
    padding: 0.5rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
}

.share-input-group input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-color);
    padding: 0.75rem;
    font-size: 0.95rem;
    outline: none;
}

#copyShareBtn {
    background-color: var(--text-color);
    color: var(--bg-color);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

#copyShareBtn:hover {
    transform: scale(1.02);
}