:root {
    --bg-color: #0d0f12;
    --text-primary: #ffffff;
    --text-secondary: #9ba1a6;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    
    --mood-neutral-1: #3a3b40;
    --mood-neutral-2: #22252a;
    
    --mood-happy-1: #ff007f;
    --mood-happy-2: #ff8c00;
    
    --mood-sad-1: #0033ff;
    --mood-sad-2: #000033;
    
    --mood-angry-1: #ff0000;
    --mood-angry-2: #4a0000;
    
    --mood-relaxed-1: #00ffcc;
    --mood-relaxed-2: #003366;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.5;
    transition: background 2s ease-in-out;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--mood-neutral-1) 0%, transparent 70%);
    animation: float1 20s infinite alternate ease-in-out;
}

.blob-2 {
    bottom: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--mood-neutral-2) 0%, transparent 70%);
    animation: float2 25s infinite alternate-reverse ease-in-out;
}

.mood-happy .blob-1 { background: radial-gradient(circle, var(--mood-happy-1) 0%, transparent 70%); }
.mood-happy .blob-2 { background: radial-gradient(circle, var(--mood-happy-2) 0%, transparent 70%); }

.mood-sad .blob-1 { background: radial-gradient(circle, var(--mood-sad-1) 0%, transparent 70%); }
.mood-sad .blob-2 { background: radial-gradient(circle, var(--mood-sad-2) 0%, transparent 70%); }

.mood-angry .blob-1 { background: radial-gradient(circle, var(--mood-angry-1) 0%, transparent 70%); }
.mood-angry .blob-2 { background: radial-gradient(circle, var(--mood-angry-2) 0%, transparent 70%); }

.mood-relaxed .blob-1 { background: radial-gradient(circle, var(--mood-relaxed-1) 0%, transparent 70%); }
.mood-relaxed .blob-2 { background: radial-gradient(circle, var(--mood-relaxed-2) 0%, transparent 70%); }

@keyframes float1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10%, 15%) scale(1.1); }
}
@keyframes float2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-10%, -15%) scale(1.1); }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
}

.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(13, 15, 18, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo i {
    color: #fff;
    font-size: 1.75rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: var(--glass-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--glass-border);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4caf50;
    box-shadow: 0 0 10px #4caf50;
}

.hero-section {
    padding: 6rem 0 4rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -1px;
}

.highlight {
    font-style: italic;
    background: linear-gradient(135deg, #fff 0%, #9ba1a6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.input-glass-container {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    transition: border-color 0.3s ease;
}

.input-glass-container:focus-within {
    border-color: var(--glass-highlight);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.05);
}

textarea {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.125rem;
    resize: none;
    outline: none;
    margin-bottom: 1rem;
}

textarea::placeholder {
    color: rgba(155, 161, 166, 0.5);
}

.input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 1rem;
}

.word-count {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.flex-end {
    display: flex;
    justify-content: space-between;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid var(--glass-highlight);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.results-section {
    margin-top: 4rem;
    padding-bottom: 6rem;
    opacity: 1;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateY(0);
}

.results-section.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(40px);
    display: none;
}

.mood-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.mood-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: capitalize;
}

.mood-meter {
    height: 8px;
    background: rgba(0,0,0,0.3);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
    max-width: 400px;
    margin: 0 auto 1.5rem;
}

.meter-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--glass-highlight), #ffffff);
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.mood-desc {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.playlist-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0 1rem;
}

.playlist-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.playlist-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.25rem;
}

.btn-icon:hover {
    background: var(--glass-highlight);
    transform: scale(1.05);
}

.track-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.track-item {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    animation: slideUp 0.5s forwards;
    opacity: 0;
    transform: translateY(20px);
}

.track-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.track-item.playing {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-highlight);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.track-item.playing .track-number {
    color: #4caf50;
    font-weight: bold;
}

.track-number {
    width: 30px;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    font-size: 0.875rem;
}

.track-art-placeholder {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    margin-right: 1rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(0,0,0,0.2));
}

.track-info {
    flex-grow: 1;
}

.track-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.track-artist {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.track-duration {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-variant-numeric: tabular-nums;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .hero-section { padding: 4rem 0 2rem; }
    .glass-header { padding: 1rem 1.5rem; }
}

.visual-player {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(13, 15, 18, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    transform: translateY(100%);
    opacity: 0;
}

.visual-player:not(.hidden) {
    transform: translateY(0);
    opacity: 1;
}

.vp-track-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 30%;
    min-width: 200px;
}

.vp-track-info img {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--glass-bg);
}

.vp-details {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.vp-title {
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vp-artist {
    color: var(--text-secondary);
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vp-controls-container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: 600px;
}

.vp-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.btn-icon-small {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon-small:hover {
    color: #fff;
    transform: scale(1.1);
}

.btn-icon-large {
    background: #fff;
    color: #000;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon-large:hover {
    transform: scale(1.05);
    background: #e0e0e0;
}

.vp-progress {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.vp-progress span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 35px;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    outline: none;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
}

input[type=range]:hover::-webkit-slider-thumb {
    opacity: 1;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: transparent;
    border-radius: 2px;
}

.vp-extra {
    width: 30%;
    display: flex;
    justify-content: flex-end;
}