/* Input validation override */
.toolInput:invalid,
.toolInput:valid {
    border-color: #ced4da !important;
    box-shadow: none !important;
}

.toolInput:focus {
    border-color: #80bdff !important;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25) !important;
}

/* HTML Input */
#htmlInput {
    font-size: 0.875rem;
    line-height: 1.5;
    resize: vertical;
    min-height: 250px;
}

/* Card Header */
.card-header {
    display: flex;
    align-items: center;
    font-weight: 500;
}

/* Nav Tabs */
#inputMethodTabs .nav-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
}

#inputMethodTabs .nav-link.active {
    font-weight: 500;
}

/* HTML Preview */
.html-preview-wrapper {
    width: 100%;
    height: 400px;
    border: 2px solid var(--bs-border-color);
    border-radius: 0.375rem;
    overflow: hidden;
    background-color: #fff;
}

.html-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* PDF Preview */
.pdf-preview-wrapper {
    width: 100%;
    height: 600px;
    border: 2px solid var(--bs-border-color);
    border-radius: 0.375rem;
    overflow: hidden;
    background-color: #525659;
}

.pdf-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

[data-bs-theme="dark"] .pdf-preview-wrapper {
    border-color: rgba(255, 255, 255, 0.1);
    background-color: #2c2c2c;
}

[data-bs-theme="dark"] .html-preview-wrapper {
    border-color: rgba(255, 255, 255, 0.1);
    background-color: #1a1a1a;
}

/* Fullscreen Mode */
.viewer-fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    z-index: 9999;
    background-color: var(--bs-body-bg);
    padding: 1rem;
    overflow-y: auto;
    border: none !important;
    border-radius: 0 !important;
}

/* Button hover effects */
#downloadBtn:hover,
#previewPdfBtn:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.5rem 1rem rgba(25, 135, 84, 0.25);
}

/* Responsive */
@media (max-width: 768px) {
    .html-preview-wrapper {
        height: 300px;
    }

    .pdf-preview-wrapper {
        height: 450px;
    }

    #htmlInput {
        min-height: 200px;
    }

    #inputMethodTabs .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.9rem;
    }
}