:root {
    --red-primary: #ff1744;
    --red-dark: #c4001d;
    --velvet-primary: #4a148c;
    --velvet-dark: #12005e;
    --bg-color: #fffafb;
    --text-color: #2c3e50;
    --card-bg: rgba(255, 255, 255, 0.9);
    --secondary-color: #00bcd4;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
    background-attachment: fixed;
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 800px;
    width: 100%;
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--red-dark);
}

header h1 span {
    color: var(--velvet-primary);
}

.subtitle {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.concept-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.input-group {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 10px 0;
}

.input-group input {
    flex: 1;
    max-width: 400px;
    padding: 12px 20px;
    border: 2px solid #eee;
    border-radius: 50px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.input-group input:focus {
    border-color: var(--secondary-color);
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-red {
    background-color: var(--red-primary);
    color: white;
}

.btn-red:hover {
    background-color: var(--red-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 23, 68, 0.4);
}

.btn-velvet {
    background-color: var(--velvet-primary);
    color: white;
}

.btn-velvet:hover {
    background-color: var(--velvet-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(74, 20, 140, 0.4);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #00acc1;
    transform: translateY(-3px);
}

.btn-primary {
    background-color: var(--text-color);
    color: white;
    width: fit-content;
    margin: 0 auto;
}

.btn-primary:hover {
    background-color: #000;
    transform: scale(1.05);
}

.loading {
    margin: 20px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--red-primary);
    border-radius: 50%;
    margin: 0 auto 10px;
    animation: spin 1s linear infinite;
}

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

.search-summary {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.searched-song-info {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
}

.searched-song-info img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.searched-text .label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 5px;
}

.searched-text .title {
    font-weight: 700;
    font-size: 1.1rem;
}

.searched-text .genre {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.arrow {
    font-size: 1.5rem;
    color: #ccc;
}

.result-area {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #eee;
    animation: fadeIn 0.5s ease-out;
}

.partnership {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px dashed #eee;
    text-align: center;
}

.partnership h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.partnership p {
    margin-bottom: 25px;
    color: #666;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.contact-form input, .contact-form textarea {
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--velvet-primary);
}

.contact-form textarea {
    height: 120px;
    resize: none;
}

.hidden {
    display: none !important;
}

.song-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    display: inline-block;
    width: 100%;
}

.rec-label {
    font-size: 0.8rem;
    color: #888;
    text-transform: uppercase;
    margin-bottom: 15px;
}

#song-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: var(--red-dark);
}

.album-name {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 15px;
    font-style: italic;
}

.vibe-tag {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: #f1f1f1;
}

.description {
    line-height: 1.6;
    color: #555;
}

footer {
    margin-top: 50px;
    font-size: 0.8rem;
    color: #888;
}

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

@media (max-width: 600px) {
    header h1 { font-size: 2rem; }
    .concept-buttons { flex-direction: column; }
    .input-group { flex-direction: column; border-radius: 10px; }
    .input-group input { max-width: 100%; border-radius: 50px; }
    .container { padding: 20px; }
    .searched-song-info { flex-direction: column; text-align: center; }
    .form-row { flex-direction: column; }
}