/* Modern Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Variables */
:root {
    --primary-color: #ff0000;
    --secondary-color: #2196F3;
    --text-color: #333333;
    --bg-color: #ffffff;
    --card-bg: #f8f9fa;
    --success-color: #28a745;
    --error-color: #dc3545;
    --header-height: 70px;
    --container-width: 1200px;
    --border-radius: 12px;
    --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    --input-bg: #f8f9fa;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: linear-gradient(45deg, #ffffff, #f8f9fa);
    color: var(--text-color);
    min-height: 100vh;
}

/* Header Styles */
.site-header {
    background: var(--bg-color);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.9;
}

.logo-image {
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .header-content {
        padding: 0;
    }

    .logo-image {
        height: 35px;
    }
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.nav-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    color: white;
}

/* Main Content */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 40px 20px;
}

.intro-section {
    text-align: center;
    margin: 40px 0 80px;
    padding: 0;
    background: transparent;
    position: relative;
}

.intro-section h2 {
    font-size: 3.5rem;
    color: var(--text-color);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
}

.intro-section p {
    font-size: 1.4rem;
    color: rgba(0, 0, 0, 0.7);
    max-width: 800px;
    margin: 0 auto 40px;
}

.search-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    max-width: 800px;
    margin: 40px auto;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.search-container.hidden {
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
}

/* Feature List */
.feature-list {
    background: transparent;
    padding: 60px 0;
    margin: 60px 0;
}

.feature-list h2 {
    color: var(--text-color);
    margin-bottom: 40px;
    font-size: 2rem;
    text-align: center;
}

.feature-list ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.feature-list li {
    padding: 30px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.feature-list li:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-list li strong {
    color: var(--text-color);
    display: block;
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.feature-list li p {
    color: rgba(0, 0, 0, 0.7);
    margin: 0;
}

/* Instructions Section */
.instructions-section {
    background: var(--card-bg);
    padding: 40px;
    margin: 60px 0;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.instructions-section h2 {
    color: var(--text-color);
    margin-bottom: 40px;
    font-size: 2rem;
    text-align: center;
}

.instructions-section ol {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0;
    list-style-position: inside;
}

.instructions-section li {
    padding: 30px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.instructions-section li:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 20px;
    background: var(--input-bg);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
    outline: none;
}

input[type="text"]::placeholder {
    color: rgba(0, 0, 0, 0.5);
}

.btn {
    width: 100%;
    padding: 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 20px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 0, 0, 0.2);
    filter: brightness(110%);
}

.btn:active {
    transform: translateY(0);
    filter: brightness(90%);
}

.btn.cancel {
    background: var(--error-color);
    margin-top: 20px;
    margin-left: auto;
    margin-right: auto;
}

.btn.cancel:hover {
    background: #ff0019;
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.2);
}

/* Progress Section */
#progress-container {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin: 0 0 40px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

#progress-container.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

/* Space between sections when both visible */
.search-container:not(.hidden) + #progress-container:not(.hidden) {
    margin-top: 40px;
}

@media (max-width: 480px) {
    #progress-container {
        padding: 0;
        border: none;
        box-shadow: none;
    }
}

#progress-status {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-color);
}

#progress-bar-container {
    height: 20px;
    background: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    margin: 30px 0;
}

#progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    border-radius: 10px;
}

#current-track {
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    margin-top: 20px;
    word-wrap: break-word;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Album Section */
.album-section {
    background: var(--bg-color);
    padding: 40px;
    margin: 40px 0;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.album-header {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
}

.album-image {
    width: 200px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.album-info {
    color: var(--text-color);
}

.album-info h3 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 15px;
}

.album-info > div {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: rgba(0, 0, 0, 0.7);
}

.album-metadata {
    display: grid;
}

@media (max-width: 768px) {
    .album-metadata {
        display: flex;
        flex-direction: column;
        align-items: start;
    }
}

.metadata-label {
    font-weight: bold;
    color: var(--text-color);
    margin-right: 5px;
    display: inline-block;
    min-width: 100px;
}

/* Tracks Container */
.tracks-container {
    margin-top: 40px;
    display: grid;
    gap: 20px;
}

.track-item {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    gap: 20px;
    align-items: center;
    background: var(--bg-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.track-item.placeholder {
    opacity: 0.6;
    background: var(--card-bg);
    position: relative;
    overflow: hidden;
}

.track-item.placeholder::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0)
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

.track-item.placeholder .track-info {
    opacity: 0.7;
}

.track-item.placeholder .download-track-btn {
    opacity: 0.5;
    cursor: not-allowed;
}

.track-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.track-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.track-number {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-color);
    text-align: center;
}

.download-track-btn {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.download-track-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 0, 0, 0.2);
    filter: brightness(110%);
}

.download-track-btn:active {
    transform: translateY(0);
    filter: brightness(90%);
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 30px;
    background: var(--bg-color);
    margin-top: 80px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.site-footer p {
    color: rgba(0, 0, 0, 0.7);
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --container-width: 95%;
    }
}

@media (max-width: 768px) {
    .intro-section h2 {
        font-size: 2.5rem;
    }
    
    .intro-section p {
        font-size: 1.2rem;
    }
    
    .feature-list ul {
        grid-template-columns: 1fr;
    }

    .instructions-section {
        padding: 0;
        box-shadow: none;
        border: none;
        background: transparent;
    }

    .instructions-section ol {
        grid-template-columns: 1fr;
    }

    .album-header {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .album-image {
        margin: 0 auto;
    }

    .track-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 15px;
    }

    .track-info {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .search-container {
        padding: 0;
        background: transparent;
        box-shadow: none;
        border: none;
    }

    #download-btn {
        margin-top: 0;
    }

    .btn {
        padding: 15px;
    }

    .album-image {
        width: 150px;
        height: 150px;
    }
}

/* Download Buttons Container */
.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 30px auto;
    width: 100%;
    max-width: 400px;
    align-items: center;
    padding: 20px;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.download-buttons .btn {
    display: block;
    margin: 10px 0;
    min-width: 250px;
    max-width: 100%;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 1;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
}

.download-buttons .btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.download-buttons .btn:disabled::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.2);
    pointer-events: none;
}

.download-buttons #download-folder-btn {
    background: var(--primary-color);
}



.download-buttons .btn:hover {
    transform: translateY(-2px);
    filter: brightness(110%);
}

/* Utility Classes */
.hidden {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

/* Cancel button specific styles to ensure it's hidden when needed */
#cancel-btn.hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Force visibility for completion buttons */
.download-buttons:not(.hidden) {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
}