@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --primary-color: #1DB954;
    /* Spotify Green */
    --bg-dark: #0a0a0a;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #e0e0e0;
    /* Brighter muted text for high visibility */
    --accent-apple: #ffffff;
    --accent-apple-hover: #f5f5f7;
    --accent-youtube: #FF0000;
    --accent-youtube-hover: #cc0000;
}

.text-muted {
    color: var(--text-muted) !important;
    opacity: 1 !important;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Dynamic Animated Background */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 100%);
}

.bg-blur {
    position: fixed;
    width: 40vw;
    height: 40vw;
    background: var(--primary-color);
    filter: blur(150px);
    opacity: 0.2;
    /* Increased opacity for more life */
    border-radius: 50%;
    animation: drift 20s infinite alternate ease-in-out;
    z-index: -1;
}

@keyframes drift {
    from {
        transform: translate(-10%, -10%);
    }

    to {
        transform: translate(60%, 40%);
    }
}

/* Hero Section */
.hero {
    padding: 60px 20px;
    text-align: center;
    background: transparent;
}

.logo {
    width: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 15px;
    background: linear-gradient(to right, #fff, #e0e0e0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}

.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Main Container & Glass Cards */
.container {
    max-width: 1000px;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

/* Form Styles */
.form-control {
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid var(--glass-border) !important;
    color: #fff !important;
    border-radius: 12px !important;
    padding: 15px 20px !important;
    font-size: 1.1rem !important;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 15px rgba(29, 185, 84, 0.2) !important;
}

.btn-primary {
    background: var(--primary-color) !important;
    border: none !important;
    border-radius: 12px !important;
    padding: 15px 30px !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(29, 185, 84, 0.3);
}

/* Results Header */
#resultsHeader {
    display: none;
    margin-top: 60px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#resultsHeader h4 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #fff;
}

#selectAllBtn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(5px);
}

#selectAllBtn:hover {
    background: var(--primary-color);
    color: #000;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(29, 185, 84, 0.3);
}

/* Track Grid & Cards */
.track-grid {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.track-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.track-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.track-card.selected {
    background: rgba(29, 185, 84, 0.1);
    border-color: var(--primary-color);
}

.track-card.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 15px;
    color: var(--primary-color);
    font-weight: bold;
}

.album-cover {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 12px;
    transition: transform 0.5s ease;
}

.track-card:hover .album-cover {
    transform: scale(1.05);
}

.track-info h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* Selection Panel (New Integration UI) */
.options-panel {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    justify-content: center;
}

.option-chip {
    padding: 8px 16px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.option-chip.active {
    background: var(--primary-color);
    color: #000;
    font-weight: 600;
}

.option-chip[data-platform="apple"].active {
    background: var(--accent-apple);
    color: white;
}

.option-chip[data-platform="youtube"].active {
    background: var(--accent-youtube);
    color: white;
}

/* Loading State */
.loading-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 50px;
}

.loader {
    width: 48px;
    height: 48px;
    border: 5px solid #FFF;
    border-bottom-color: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Modals */
.modal-content {
    background: #121212 !important;
    border: 1px solid var(--glass-border) !important;
    border-radius: 24px !important;
}

.modal-header,
.modal-footer {
    border-color: var(--glass-border) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Platform Login Buttons */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    margin-bottom: 15px;
    width: 100%;
    max-width: 320px;
}

.btn-login:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn-spotify {
    background: #1DB954;
    color: #000;
}

.btn-spotify:hover {
    background: #1ed760;
    box-shadow: 0 0 25px rgba(29, 185, 84, 0.4);
}

.btn-apple {
    background: #fff;
    color: #000;
}

.btn-apple:hover {
    background: #f5f5f7;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
}

.btn-youtube {
    background: #FF0000;
    color: #fff;
}

.btn-youtube:hover {
    background: #cc0000;
    box-shadow: 0 0 25px rgba(255, 0, 0, 0.4);
}

/* Share Card Styles */
.share-card-blur {
    position: absolute;
    top: -50px;
    left: -50px;
    right: -50px;
    bottom: -50px;
    background: radial-gradient(circle at 50% 50%, var(--primary-color) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.15;
    z-index: 0;
}

#shareTrackList {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.share-track-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.share-track-item:last-child {
    margin-bottom: 0;
}

.share-track-name {
    color: #fff;
    font-weight: 600;
}

.share-track-artist {
    color: rgba(255, 255, 255, 0.5);
}

#downloadCardBtn {
    background: linear-gradient(135deg, var(--primary-color) 0%, #000 100%) !important;
    border: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .glass-card {
        padding: 25px;
    }

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

    .btn-login {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .track-grid {
        grid-template-columns: 1fr;
    }
}
/* Error Modal Premium Enhancements */
#errorModal .modal-content {
    background: linear-gradient(135deg, #1a0a0a 0%, #0a0a0a 100%) !important;
    border: 1px solid rgba(255, 0, 0, 0.2) !important;
    box-shadow: 0 0 50px rgba(220, 53, 69, 0.15);
}

#errorModal .bg-danger.bg-opacity-10 {
    box-shadow: 0 0 20px rgba(220, 53, 69, 0.2);
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(220, 53, 69, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

#errorMessage {
    line-height: 1.6;
    letter-spacing: 0.2px;
}

#errorModalSourceText {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}