body {
    background: radial-gradient(circle at top, rgba(79, 70, 229, 0.25), transparent 65%),
        linear-gradient(135deg, #eef2ff 0%, #dde7ff 55%, #f8fafc 100%);
    font-family: 'Cairo', Tahoma, Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    direction: rtl;
    color: #1f2937;
    animation: backgroundShift 22s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% {
        background-position: 0% 0%, 0% 50%;
    }
    50% {
        background-position: 100% 100%, 100% 30%;
    }
}

h1 {
    color: #2d3748;
    background: rgba(255,255,255,0.8);
    padding: 20px 0;
    margin-bottom: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

h2 {
    color: #4f46e5;
    background: rgba(255,255,255,0.7);
    padding: 12px 0;
    margin: 30px auto 10px auto;
    width: 60%;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    font-weight: 600;
}

audio {
    display: block;
    margin: 0 auto 20px auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(79,70,229,0.08);
    width: 60%;
}

body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    background: url('https://images.unsplash.com/photo-1464983953574-0892a716854b?auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
    opacity: 0.25;
    filter: blur(2px);
}

/* Login/signup UI */
.auth-container {
    max-width: 420px;
    margin: 30px auto 40px auto;
    padding: 24px 26px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab {
    flex: 1;
    border: 1px solid rgba(79, 70, 229, 0.35);
    background: rgba(255, 255, 255, 0.7);
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
}

.tab.active {
    background: rgba(79, 70, 229, 0.9);
    color: #fff;
}

.auth-form {
    display: grid;
    gap: 12px;
}

.auth-form label {
    font-size: 0.9rem;
    color: #334155;
}

.auth-form input {
    padding: 10px 12px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    border-radius: 10px;
    font-size: 1rem;
}

button.primary {
    background: #4f46e5;
    border: none;
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    padding: 12px 0;
    cursor: pointer;
}

button.secondary {
    background: rgba(79, 70, 229, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.35);
    border-radius: 10px;
    color: #2d3748;
    padding: 10px 16px;
    cursor: pointer;
}

button.primary:hover,
button.secondary:hover {
    opacity: 0.92;
}

button.secondary {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.favorite {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: rgba(0, 0, 0, 0.35);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 180ms ease, transform 180ms ease;
}

.favorite .fav-label {
    white-space: nowrap;
}

.favorite.active {
    background: rgba(255, 209, 79, 0.95);
    color: #222;
}

.favorite:hover {
    transform: scale(1.06);
}

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.65);
    z-index: 100;
}

.modal-content {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 18px;
    padding: 22px 22px 18px 22px;
    width: min(92vw, 480px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.modal h2 {
    margin: 0 0 14px 0;
}

.modal.hidden {
    display: none !important;
}

.hidden {
    display: none !important;
}

.auth-message {
    margin: 0;
    padding: 7px 10px;
    border-radius: 10px;
    font-size: 0.9rem;
}

.auth-message.info {
    background: rgba(99, 102, 241, 0.18);
    color: #1e293b;
}

.auth-message.success {
    background: rgba(34, 197, 94, 0.2);
    color: #14532d;
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.18);
    color: #7f1d1d;
}

.note {
    font-size: 0.85rem;
    color: rgba(55, 65, 81, 0.75);
    margin-top: 16px;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 20px;
    flex-wrap: wrap;
}

@media (max-width: 560px) {
    h2, audio {
        width: 90%;
    }

    .auth-container {
        margin: 20px 12px;
        padding: 18px 16px;
    }
}

.site-footer {
    max-width: 920px;
    margin: 26px auto 40px auto;
    padding: 18px 20px;
    text-align: center;
    color: rgba(55, 65, 81, 0.7);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 6px 0;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.site-tagline {
    margin: 8px 0 0 0;
    color: rgba(55, 65, 81, 0.75);
    font-size: 0.95rem;
}

.now-playing {
    display: flex;
    justify-content: center;
    gap: 12px;
    align-items: center;
    margin: 16px auto;
    max-width: 820px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(79, 70, 229, 0.12);
    color: #1e293b;
    font-weight: 600;
}

.now-playing.hidden {
    display: none !important;
}

.site-brand {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.brand-name {
    font-weight: 800;
    color: #2d3748;
    position: relative;
}

.brand-name::before {
    content: '🎵';
    margin-left: 8px;
    font-size: 1.1rem;
}

.brand-tag {
    font-size: 0.8rem;
    color: rgba(55, 65, 81, 0.65);
}

.lang-toggle {
    background: rgba(79, 70, 229, 0.12);
    border: 1px solid rgba(79, 70, 229, 0.35);
    border-radius: 10px;
    padding: 8px 12px;
    cursor: pointer;
    font-weight: 700;
    color: #2d3748;
}

.lang-toggle:hover {
    background: rgba(79, 70, 229, 0.2);
}

/* Songs list + search */
.page-intro {
    max-width: 700px;
    margin: 18px auto 14px auto;
    padding: 0 18px;
    font-size: 0.95rem;
    color: rgba(55, 65, 81, 0.85);
    text-align: center;
}

.search-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 0 18px;
}

.search-row input {
    width: 100%;
    max-width: 420px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    font-size: 1rem;
}

.button-help {
    max-width: 920px;
    margin: 0 auto 24px auto;
    padding: 16px 18px;
    background: rgba(79, 70, 229, 0.08);
    border: 1px solid rgba(79, 70, 229, 0.18);
    border-radius: 18px;
    color: rgba(31, 41, 55, 0.95);
    font-size: 0.96rem;
    text-align: right;
}

.button-help strong {
    display: block;
    margin-bottom: 8px;
    color: #334155;
    font-size: 1rem;
}

.button-help ul {
    margin: 0;
    padding-left: 18px;
}

.button-help li {
    margin: 6px 0;
}

.button-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.button-note {
    font-size: 0.85rem;
    color: rgba(55, 65, 81, 0.72);
    max-width: 140px;
    text-align: center;
    margin: 0;
}

.search-row button {
    flex: 0 0 auto;
    min-width: 120px;
}

.songs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
    padding: 0 18px 30px 18px;
    max-width: 1100px;
    margin: 0 auto 40px auto;
}

.song-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 0;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.song-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
}

.song-cover {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
}

.song-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 220ms ease;
}

.song-card:hover .song-cover img {
    transform: scale(1.04);
}

.song-meta {
    padding: 14px 16px 10px 16px;
}

.song-card h2 {
    font-size: 1.1rem;
    margin: 0 0 6px 0;
}

.song-artist {
    margin: 0;
    color: rgba(55, 65, 81, 0.75);
    font-size: 0.95rem;
}

.song-composer {
    margin: 4px 0 0 0;
    font-size: 0.85rem;
    color: rgba(55, 65, 81, 0.55);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    color: rgba(55, 65, 81, 0.7);
    font-size: 1rem;
    padding: 36px 14px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 14px;
}