:root {
    --primary-color: #D52B1E;
    --primary-hover-color: #B22418;
    --secondary-color: #000000;
    --secondary-hover-color: #333333;
    --background-color: #FFFFFF;
    --text-color: #333333;
    --container-bg-color: #F5F5F5;
    --border-radius: 8px;
    --transition-duration: 0.3s;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --info-box-bg-color: #E6F3FF;
    --info-box-border-color: #B8D8FF;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    color: var(--text-color);
}

header {
    height: 10vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: var(--box-shadow);
}

#language-selector {
    position: relative;
}

#language-selector-select {
    appearance: none;
    background-color: transparent;
    border: 2px solid var(--background-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 2rem 0.5rem 1rem;
    font-size: 1rem;
    color: var(--background-color);
    cursor: pointer;
    outline: none;
    transition: all var(--transition-duration);
}

#language-selector-select:hover,
#language-selector-select:focus {
    background-color: rgba(255, 255, 255, 0.1);
}

#language-selector::after {
    content: '▼';
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--background-color);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

main {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.container {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--container-bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    box-sizing: border-box; /* Add this line */
}

.content-wrapper {
    display: flex;
    gap: 2rem;
    flex-grow: 1;
    height: 100%;
}

h1 {
    text-align: center;
    color: var(--background-color);
    margin-bottom: 1rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.description {
    text-align: left;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-color);
    background-color: var(--info-box-bg-color);
    border: 1px solid var(--info-box-border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--box-shadow);
}

form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-input {
    display: inline-block;
    position: relative;
    overflow: hidden;
}

#pdfFile {
    position: absolute;
    font-size: 100px;
    right: 0;
    top: 0;
    opacity: 0;
    cursor: pointer;
}

.file-input label {
    display: inline-block;
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: var(--background-color);
    cursor: pointer;
    transition: all var(--transition-duration);
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: none;
}

.file-input label:hover {
    background-color: var(--primary-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

button {
    padding: 12px 20px;
    background-color: var(--secondary-color);
    color: var(--background-color);
    border: none;
    cursor: pointer;
    transition: all var(--transition-duration);
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 1px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 1rem;
}

button:hover {
    background-color: var(--secondary-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.status {
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
    padding: 10px;
    border-radius: var(--border-radius);
    background-color: rgba(0, 0, 0, 0.05);
    transition: all var(--transition-duration);
}

.preview-container {
    flex: 1;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex; /* Add this line */
    flex-direction: column; /* Add this line */
    max-height: 100%; /* Add this line */
}

.drop-zone {
    flex: 1;
    border: 3px dashed var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-duration);
}

.drop-zone:hover, .drop-zone.drag-over {
    background-color: rgba(213, 43, 30, 0.1);
}

.hidden {
    display: none;
}

#removeProtectionBtn {
    margin-top: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        height: auto;
        padding: 1rem;
    }

    #language-selector {
        margin-top: 1rem;
    }
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav ul li {
    margin-right: 1rem;
}

nav ul li a {
    color: var(--background-color);
    text-decoration: none;
    transition: all var(--transition-duration);
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul li a:hover {
    transform: scale(1.1);
}

.tools {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.tool-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    width: 300px;
    text-align: center;
    transition: transform var(--transition-duration), box-shadow var(--transition-duration);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.tool-card i {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.tool-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.tool-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.tool-card .btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: background-color var(--transition-duration);
    margin-top: auto;
}

.tool-card .btn:hover {
    background-color: var(--primary-hover-color);
}

@media (max-width: 768px) {
    .tool-card {
        width: 100%;
    }
}

footer {
    background-color: var(--secondary-hover-color);
    color: var(--background-color);
    padding: 1rem 2rem;
    text-align: center;
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

footer p:nth-child(2) {
    margin-left: auto;
    margin-right: auto;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: var(--background-color);
    text-decoration: none;
    transition: color var(--transition-duration);
}

footer a:hover {
    color: var(--primary-color);
}

@media (min-width: 768px) {
    footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    footer p:nth-child(2) {
        margin-left: auto;
        margin-right: auto;
    }
}

/* Add these new styles */
#previewContainer {
    flex: 1;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 100%; /* Add this line */
}

#previewContainer img,
#previewContainer iframe {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    width: auto; /* Add this line */
    height: auto; /* Add this line */
}

/* Modify the media query for mobile devices */
@media (max-width: 768px) {
    main {
        padding: 1rem; /* Reduce padding on mobile */
    }

    .container {
        padding: 1rem; /* Reduce padding on mobile */
        margin: 0; /* Remove all margins */
        width: 100%; /* Ensure full width */
        max-width: 100%; /* Ensure it doesn't exceed screen width */
        border-radius: 0; /* Optional: remove border-radius on mobile */
    }

    .content-wrapper {
        flex-direction: column;
    }

    form, .preview-container {
        width: 100%;
    }

    .preview-container {
        margin-top: 1rem; /* Reduce top margin */
        max-height: 50vh; /* Limit the height on mobile */
    }
}