@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;700&display=swap");

:root {
    --primary-bg: #0f0c29;
    --secondary-bg: #1a2a6c;
    --card-bg: rgba(26, 42, 108, 0.6); /* Glassmorphism effect */
    --text-color: #f8f9fa;
    --text-muted: #ced4da;
    --accent-color: #8a2be2; /* BlueViolet */
    --accent-gradient: linear-gradient(to right, #8a2be2, #4b0082); /* Indigo */
    --button-gradient: linear-gradient(to right, #8a2be2, #4b0082);
    --button-hover-gradient: linear-gradient(to right, #4b0082, #8a2be2);
    --success-color: #28a745;
    --success-gradient: linear-gradient(to right, #28a745, #218838);
    --error-color: #dc3545;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-bg);
    background: linear-gradient(to bottom right, var(--secondary-bg), var(--primary-bg));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-color);
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Header */
header {
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    color: var(--text-color) !important;
    text-shadow: 0 0 5px var(--accent-color);
}

/* Main Card */
.custom-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeIn 1s ease-out;
}

/* Tabs */
.custom-tabs .nav-link {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 10px;
    margin: 0 5px;
    padding: 10px 20px;
    transition: all 0.3s ease;
    font-weight: bold;
    text-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
}

.custom-tabs .nav-link.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 0 15px var(--accent-color), 0 0 25px var(--accent-color);
    transform: translateY(-5px);
}

.custom-tabs .nav-link:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Form Controls */
.custom-input {
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-color);
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
}

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

.custom-input:focus {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color), inset 0 0 5px rgba(0, 0, 0, 0.5);
}

.custom-btn-primary {
    background: var(--button-gradient);
    border: none;
    border-radius: 10px;
    padding: 12px 25px;
    font-weight: bold;
    transition: all 0.3s ease;
    color: #fff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

.custom-btn-primary:hover {
    background: var(--button-hover-gradient);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.8);
}

/* Results Card */
.track-card {
    background-color: rgba(15, 12, 41, 0.8); /* Slightly transparent dark background */
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    color: var(--text-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.8s ease-out;
}

.track-card .row {
    width: 100%;
    justify-content: center;
}

.track-card img {
    max-width: 180px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
}

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

.track-card .card-title {
    color: var(--accent-color);
    font-size: 1.8rem;
    margin-bottom: 10px;
    text-shadow: 0 0 8px var(--accent-color);
}

.track-card .card-text {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 5px;
}

.track-card .card-text strong {
    color: var(--text-color);
}

.track-card .badge {
    background-color: var(--accent-color);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    margin-top: 10px;
}

.listen-btn {
    background: var(--success-gradient);
    border: none;
    border-radius: 10px;
    padding: 12px 25px;
    font-weight: bold;
    transition: all 0.3s ease;
    color: #fff;
    margin-top: 20px;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 10px rgba(40, 167, 69, 0.5);
}

.listen-btn:hover {
    background: var(--success-color);
    transform: translateY(-3px);
    box-shadow: 0 0 20px rgba(40, 167, 69, 0.8);
}

/* Footer */
.footer {
    background-color: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
    margin-top: auto;
}

/* AdSense Placeholders */
.ad-placeholder {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.3);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border-radius: 10px;
    padding: 10px;
}

.adsense-horizontal-banner .ad-placeholder {
    width: 100%;
    max-width: 728px; /* Standard horizontal banner size */
    height: 90px;
    margin: 0 auto;
}

.adsense-rectangle-ad .ad-placeholder {
    width: 300px; /* Standard rectangle ad size */
    height: 250px;
    margin: 20px auto; /* Center on mobile, adjust for desktop */
}

/* Layout for results and ads on desktop */
#results-and-ad-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

@media (min-width: 992px) {
    #results-and-ad-container {
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
    }

    #results-container {
        flex-grow: 1;
        margin-right: 30px; /* Space between card and ad */
        max-width: 700px; /* Adjust as needed */
    }

    .adsense-rectangle-ad {
        flex-shrink: 0;
        margin-top: 0; /* Reset margin for desktop */
    }
}

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

.animate__animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.animate__fadeInUp {
    animation-name: fadeInUp;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .custom-tabs .nav-link {
        padding: 8px 15px;
        font-size: 0.9rem;
    }

    .custom-card {
        padding: 20px;
    }

    .track-card {
        padding: 15px;
    }

    .track-card img {
        max-width: 120px;
    }

    .track-card .card-title {
        font-size: 1.5rem;
    }

    .track-card .card-text {
        font-size: 0.9rem;
    }

    .custom-btn-primary, .listen-btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }

    p {
        font-size: 0.9rem;
    }

    .custom-tabs {
        flex-direction: column;
    }

    .custom-tabs .nav-item {
        width: 100%;
        margin-bottom: 10px;
    }

    .custom-tabs .nav-link {
        width: 100%;
        text-align: center;
    }

    .track-card .col-md-4, .track-card .col-md-8 {
        width: 100%;
    }

    .track-card img {
        margin-bottom: 15px;
    }
}




/* Glowing effects for micro-interactions */
.glowing-border {
    box-shadow: 0 0 15px var(--accent-color), inset 0 0 8px rgba(138, 43, 226, 0.5) !important;
}

.glowing-shadow {
    box-shadow: 0 0 25px var(--accent-color), 0 0 35px var(--accent-color) !important;
}