/* Color Palette & Base */
:root {
    --bg-dark: #0f0f13;
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --accent-vibrant: #ff007f;
    --accent-secondary: #7000ff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding-bottom: 120px; /* Space for the fixed player */
}

/* Background Animations */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    filter: blur(80px);
}

.blob {
    position: absolute;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-vibrant);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: #00d2ff;
    top: 40%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.2); }
}

/* Main App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    padding-top: 2rem;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #ff007f, #7000ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Search Bar */
.search-container {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 5px 5px 5px 25px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-container:focus-within {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 20px rgba(255, 0, 127, 0.2);
}

.search-container input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.1rem;
    outline: none;
    font-family: inherit;
}

.search-container input::placeholder {
    color: var(--text-muted);
}

.search-container button {
    background: linear-gradient(to right, var(--accent-vibrant), var(--accent-secondary));
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.search-container button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(255, 0, 127, 0.5);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.track-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.track-card:hover {
    transform: translateY(-5px);
    background: var(--glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.track-card.playing {
    border-color: var(--accent-vibrant);
    box-shadow: 0 0 20px rgba(255, 0, 127, 0.3);
}

.track-cover-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.track-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    font-size: 2rem;
    color: white;
}

.track-card:hover .play-overlay {
    opacity: 1;
}

.track-title {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    color: var(--text-muted);
    font-size: 0.9rem;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Equalizer Background for Playing Track */
.equalizer {
    display: none;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    height: 20px;
    width: 100%;
}

.track-card.playing .equalizer {
    display: flex;
}

.track-card.playing .play-overlay {
    background: rgba(0,0,0,0.7);
    opacity: 1;
}

.track-card.playing .play-overlay i {
   display: none;
}

.bar {
    width: 4px;
    background: var(--accent-vibrant);
    animation: pump 0.5s ease-out infinite alternate;
}

.bar:nth-child(1) { height: 10px; animation-delay: 0.1s; }
.bar:nth-child(2) { height: 20px; animation-delay: 0.2s; }
.bar:nth-child(3) { height: 15px; animation-delay: 0.3s; }
.bar:nth-child(4) { height: 25px; animation-delay: 0.4s; }

@keyframes pump {
    0% { height: 5px; }
    100% { height: 25px; }
}


/* Audio Player */
.player-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 19, 0.85);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
}

.player-container.hidden {
    transform: translateY(100%);
}

.player-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 30%;
    min-width: 250px;
}

.player-info img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.player-details h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.player-details .main-artist {
    font-size: 0.95rem;
    color: var(--accent-vibrant);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
    margin-bottom: 0.5rem;
}

.player-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.player-meta p {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 250px;
}

.player-meta i {
    width: 12px;
    margin-right: 4px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.player-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 40%;
}

.player-controls button {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.player-controls button:hover {
    background: var(--glass-hover);
    color: var(--accent-vibrant);
    transform: scale(1.1);
}

.progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    margin-top: 0.5rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(to right, var(--accent-secondary), var(--accent-vibrant));
    border-radius: 3px;
    transition: width 0.1s linear;
}

#timeDisplay {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
}

#closePlayerBtn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s ease;
}

#closePlayerBtn:hover {
    color: white;
}

/* Loading Spinner & Messages */
.loader {
    border: 4px solid var(--glass-border);
    border-top: 4px solid var(--accent-vibrant);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
    grid-column: 1 / -1;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.message {
    text-align: center;
    color: var(--text-muted);
    grid-column: 1 / -1;
    padding: 2rem;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .player-info {
        display: none;
    }
    .player-controls {
        width: 80%;
    }
    header h1 {
        font-size: 2.5rem;
    }
}