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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-color: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0a0a0a;
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wave-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 50%, #ffffff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-shadow: 
        0 0 20px rgba(102, 126, 234, 0.5),
        0 0 40px rgba(102, 126, 234, 0.3),
        0 0 60px rgba(118, 75, 162, 0.2),
        0 4px 20px rgba(102, 126, 234, 0.4);
    animation: textGlow 2s ease-in-out infinite alternate, textPulse 3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.4));
}

@keyframes textGlow {
    0% {
        text-shadow: 
            0 0 20px rgba(102, 126, 234, 0.5),
            0 0 40px rgba(102, 126, 234, 0.3),
            0 0 60px rgba(118, 75, 162, 0.2),
            0 4px 20px rgba(102, 126, 234, 0.4);
        filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.4));
    }
    100% {
        text-shadow: 
            0 0 30px rgba(102, 126, 234, 0.8),
            0 0 60px rgba(102, 126, 234, 0.5),
            0 0 90px rgba(118, 75, 162, 0.3),
            0 4px 30px rgba(102, 126, 234, 0.6);
        filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.6));
    }
}

@keyframes textPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.02);
        opacity: 0.95;
    }
}

.subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.01em;
}

main {
    display: grid;
    gap: 30px;
}

.generation-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 32px;
    padding: 40px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.37),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.generation-section:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        0 4px 12px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.status-section,
.results-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 32px;
    padding: 40px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.37),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.required {
    color: var(--error-color);
}

input[type="text"],
input[type="url"],
input[type="email"],
textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

input[type="text"]::placeholder,
input[type="url"]::placeholder,
input[type="email"]::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

select {
    width: 100%;
    padding: 14px 40px 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23ffffff' d='M7 10L2 5h10z' opacity='0.6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 14px;
    position: relative;
}

/* Style dropdown options */
select option {
    background: #2d2d2d;
    color: rgba(255, 255, 255, 0.7);
    padding: 12px 16px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
}

select option:hover {
    background: rgba(102, 126, 234, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

select option:checked,
select option:focus,
select option[selected] {
    background: #667eea;
    color: #ffffff;
    font-weight: 600;
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow: 
        0 0 0 4px rgba(255, 255, 255, 0.1),
        0 8px 24px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow: 
        0 0 0 4px rgba(255, 255, 255, 0.1),
        0 8px 24px rgba(0, 0, 0, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath fill='%23ffffff' d='M2 5l5 5 5-5z' opacity='0.9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 14px;
}

select:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}


textarea {
    resize: vertical;
    min-height: 100px;
}

.hint {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

.btn-primary {
    width: 100%;
    padding: 16px 28px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 10px;
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    letter-spacing: 0.01em;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.15) 100%);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    width: 100%;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    letter-spacing: 0.01em;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-download {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.status-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-weight: 500;
}

.status-message.info {
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--text-primary);
}

.status-message.success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid var(--success-color);
    color: var(--text-primary);
}

.status-message.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--error-color);
    color: var(--text-primary);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s ease;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.music-list {
    display: grid;
    gap: 20px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-style: italic;
}

.music-card {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.music-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.music-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 15px;
}

.music-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.music-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.music-prompt {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 6px;
}

.music-image {
    width: 100%;
    max-width: 300px;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.music-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

audio {
    width: 100%;
    max-width: 400px;
    height: 40px;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-secondary);
}

/* Glassmorphism Modal */
.glass-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.glass-modal.show {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.glass-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.glass-modal-content {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 32px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.37),
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: scale(0.8) translateY(20px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 10001;
}

.glass-modal.show .glass-modal-content {
    transform: scale(1) translateY(0);
}

.glass-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: scaleIn 0.5s ease 0.2s both;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.glass-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.5s ease 0.3s both;
}

.glass-message {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    animation: fadeInUp 0.5s ease 0.4s both;
}

.glass-email {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 18px 24px;
    margin: 20px 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.5s ease 0.5s both;
    word-break: break-all;
}

.glass-time {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 20px;
    animation: fadeInUp 0.5s ease 0.6s both;
}

.glass-close-btn {
    margin-top: 30px;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    animation: fadeInUp 0.5s ease 0.7s both;
    letter-spacing: 0.01em;
}

.glass-close-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .generation-section,
    .status-section,
    .results-section {
        padding: 20px;
    }

    .music-header {
        flex-direction: column;
    }
    
    .glass-modal-content {
        padding: 30px 20px;
    }
    
    .glass-title {
        font-size: 1.5rem;
    }
    
    .glass-email {
        font-size: 1rem;
        padding: 15px 20px;
    }
}