.vertical-tabs {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.vertical-tab {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    background-color: #f3f4f6;
    border: none;
    border-left: 3px solid transparent;
    min-width: 200px;
    opacity: 0.6;
    text-decoration: none;
    color: inherit;
    display: block;
}
.vertical-tab:hover:not(.active) {
    background-color: #e5e7eb;
    opacity: 0.8;
}
.vertical-tab.active {
    background-color: #1447e6;
    color: white;
    border-left-color: #1447e6;
    opacity: 1;
    font-weight: 600;
}
.vertical-tab-title {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}
.vertical-tab.active .vertical-tab-title {
    font-weight: 700;
}
.vertical-tab-description {
    font-size: 0.875rem;
    opacity: 0.7;
}
.vertical-tab.active .vertical-tab-description {
    opacity: 0.9;
}
.main-layout {
    display: flex;
    gap: 2rem;
    max-width: 1024px;
    margin: 0 auto;
    padding: 2rem;
}
.tabs-container {
    flex-shrink: 0;
}
.content-container {
    flex: 1;
    min-width: 0;
}
.cert-display {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    white-space: pre-wrap;
    word-break: break-all;
}
.textarea-container {
    position: relative;
}
.copy-button {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.375rem 0.75rem;
    background-color: #1447e6;
    color: white;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background-color 0.2s;
    z-index: 10;
}
.copy-button:hover {
    background-color: #0f3ab8;
}
.copy-button.copied {
    background-color: #10b981;
}
.kofi-topright {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}
.header-layout {
    max-width: 1024px;
    margin: 0 auto;
    padding: 2rem;
    padding-bottom: 0.5rem;
    display: block;
}
.header-content-wrapper {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    width: 100%;
    align-items: start;
}
.header-logo {
    grid-column: 1;
    display: flex;
    align-items: center;
    width: 200px;
    min-width: 200px;
    max-width: 200px;
    position: sticky;
    left: 0;
}
.header-logo img {
    display: block;
    max-width: 200px;
    width: 200px;
    height: auto;
}
.header-description {
    grid-column: 2;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.header-description p {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
    margin: 0;
    line-height: 1.5;
}
.content-layout {
    padding-top: 0.5rem;
}
.footer {
    border-top: 1px solid #e5e7eb;
    padding: 0;
    margin-top: 0.5rem;
}
.footer-layout {
    max-width: 1024px;
    margin: 0 auto;
    padding: 1rem;
    text-align: center;
}
.btn-primary {
    background-color: #1447e6;
    color: white;
}
.btn-primary:hover {
    background-color: #0f3ab8;
}
.focus-primary {
    --tw-ring-color: #1447e6;
}
.focus-primary:focus {
    --tw-ring-color: #1447e6;
}
.text-primary {
    color: #1447e6;
}
.text-primary-hover:hover {
    color: #0f3ab8;
}
.bg-primary-light {
    background-color: #e8efff;
}
.border-primary-light {
    border-color: #c4d9ff;
}
.page-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.main-content {
    flex: 1;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}
/* Style file input button */
input[type="file"]::-webkit-file-upload-button {
    background-color: #1447e6;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    margin-right: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}
input[type="file"]::-webkit-file-upload-button:hover {
    background-color: #0f3ab8;
}
input[type="file"]::file-selector-button {
    background-color: #1447e6;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    margin-right: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}
input[type="file"]::file-selector-button:hover {
    background-color: #0f3ab8;
}