/* Image to Audio Converter Styles - Matching Site Design */

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

:root {
    --primary-color: #4ade80;
    --accent-color: #22c55e;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/desktop Bg image.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    color: white;
    overflow-x: hidden;
}

/* Mobile background */
@media (max-width: 768px) {
    body {
        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/mobile Bg image.webp');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Back Button */
.back-button {
    position: absolute;
    top: 30px;
    left: 30px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Page Header */
.page-header {
    text-align: center;
    padding: 100px 20px 40px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Main Content */
.main-content {
    padding: 20px 0 60px;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* Card Styles */
.card, .panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover, .panel:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(74, 222, 128, 0.2);
}

.card h2, .panel h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.upload-area {
    border: 3px dashed rgba(74, 222, 128, 0.5);
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(74, 222, 128, 0.05);
    margin-bottom: 20px;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(74, 222, 128, 0.1);
    transform: translateY(-2px);
}

.upload-area.dragover {
    border-color: var(--accent-color);
    background: rgba(74, 222, 128, 0.15);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    filter: grayscale(0);
}

.upload-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

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

input[type="file"] {
    display: none;
}

.preview-container {
    margin: 20px 0;
    text-align: center;
}

.preview-label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: block;
    font-size: 1rem;
}

.image-preview {
    max-width: 100%;
    max-height: 400px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    display: none;
    margin: 0 auto;
    border: 2px solid rgba(74, 222, 128, 0.3);
}

.image-preview.active {
    display: block;
}

canvas {
    max-width: 100%;
    max-height: 400px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    display: none;
    margin: 0 auto;
    border: 2px solid rgba(74, 222, 128, 0.3);
}

canvas.active {
    display: block;
}

.audio-player {
    width: 100%;
    margin: 20px 0;
    display: none;
}

.audio-player.active {
    display: block;
}

audio {
    width: 100%;
    border-radius: 10px;
    outline: none;
    filter: invert(1) hue-rotate(180deg);
}

.button {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 222, 128, 0.4);
    margin: 5px;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(74, 222, 128, 0.6);
}

.button:active {
    transform: translateY(0);
}

.button:disabled {
    background: rgba(255, 255, 255, 0.2);
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.5;
}

.button-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 20px;
}

.status-message {
    padding: 15px 20px;
    border-radius: 12px;
    margin: 15px 0;
    font-weight: 500;
    display: none;
    animation: slideIn 0.3s ease;
    backdrop-filter: blur(10px);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.status-message.active {
    display: block;
}

.status-message.success {
    background: rgba(74, 222, 128, 0.2);
    color: var(--primary-color);
    border: 1px solid rgba(74, 222, 128, 0.4);
}

.status-message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.status-message.info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.comparison-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    margin-top: 20px;
}

.comparison-section h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.comparison-item {
    text-align: center;
}

.comparison-item h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.info-box {
    background: rgba(74, 222, 128, 0.1);
    padding: 15px 20px;
    border-radius: 12px;
    margin: 15px 0;
    border-left: 4px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.info-box strong {
    color: var(--primary-color);
    font-weight: 600;
}

.method-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.method-btn {
    flex: 1;
    min-width: 150px;
    padding: 15px 20px;
    border: 2px solid rgba(74, 222, 128, 0.3);
    background: rgba(74, 222, 128, 0.05);
    color: var(--text-primary);
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.method-btn:hover {
    background: rgba(74, 222, 128, 0.15);
    border-color: var(--primary-color);
}

.method-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(74, 222, 128, 0.4);
}

.method-content {
    display: none;
}

.method-content.active {
    display: block;
}

@media (max-width: 1024px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2rem;
    }

    .back-button {
        top: 20px;
        left: 20px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .page-header {
        padding: 80px 20px 30px;
    }
}

@media (max-width: 640px) {
    .panel, .card {
        padding: 20px;
    }

    h1 {
        font-size: 1.6rem;
    }

    .upload-area {
        padding: 30px 20px;
    }

    .method-selector {
        flex-direction: column;
    }

    .method-btn {
        min-width: 100%;
    }

    .back-button {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .page-header p {
        font-size: 1rem;
    }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}

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

/* Features Section */
.features-section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 40px rgba(74, 222, 128, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: inline-block;
    filter: grayscale(0);
}

.feature-card h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* FAQ Section */
.faq {
    padding: 60px 0 80px;
}

.faq-header {
    text-align: center;
    margin-bottom: 50px;
}

.faq-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.faq-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(74, 222, 128, 0.2);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    padding-right: 15px;
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 300;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 20px 25px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

@media (max-width: 768px) {
    .section-title,
    .faq-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card {
        padding: 25px;
    }

    .faq-question {
        padding: 18px 20px;
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 20px 18px 20px;
    }
}