/* Light Theme (Default) */
:root {
    --primary: rgb(99, 102, 241);
    --primary-dark: rgb(79, 70, 229);
    --primary-light: rgb(129, 140, 248);
    --secondary: rgb(100, 116, 139);
    --success: rgb(16, 185, 129);
    --warning: rgb(245, 158, 11);
    --danger: rgb(239, 68, 68);
    --bg: rgb(248, 250, 252);
    --bg-gradient: linear-gradient(135deg, rgb(248, 250, 252) 0%, rgb(241, 245, 249) 100%);
    --surface: rgb(255, 255, 255);
    --surface-gradient: linear-gradient(145deg, rgb(255, 255, 255) 0%, rgb(248, 250, 252) 100%);
    --border: rgb(226, 232, 240);
    --text: rgb(30, 41, 59);
    --text-light: rgb(100, 116, 139);
    --code-bg: rgb(30, 41, 59);
    --code-text: rgb(226, 232, 240);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --accent-gradient: linear-gradient(135deg, rgb(99, 102, 241) 0%, rgb(168, 85, 247) 100%);
}

/* Dark Theme */
[data-theme="dark"] {
    --primary: rgb(129, 140, 248);
    --primary-dark: rgb(99, 102, 241);
    --primary-light: rgb(165, 180, 252);
    --secondary: rgb(148, 163, 184);
    --success: rgb(52, 211, 153);
    --warning: rgb(251, 191, 36);
    --danger: rgb(248, 113, 113);
    --bg: rgb(15, 23, 42);
    --bg-gradient: linear-gradient(135deg, rgb(15, 23, 42) 0%, rgb(30, 41, 59) 100%);
    --surface: rgb(30, 41, 59);
    --surface-gradient: linear-gradient(145deg, rgb(30, 41, 59) 0%, rgb(51, 65, 85) 100%);
    --border: rgb(51, 65, 85);
    --text: rgb(241, 245, 249);
    --text-light: rgb(148, 163, 184);
    --code-bg: rgb(15, 23, 42);
    --code-text: rgb(226, 232, 240);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --accent-gradient: linear-gradient(135deg, rgb(129, 140, 248) 0%, rgb(192, 132, 252) 100%);
}

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

.hidden {
    display: none !important;
}

.info-message {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    text-align: center;
    font-weight: 500;
    animation: fadeIn 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--surface-gradient);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    z-index: 1000;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Go to Top Button */
.go-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: var(--accent-gradient);
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.go-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.go-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.go-to-top:active {
    transform: translateY(-2px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--surface-gradient);
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

header h1 {
    font-size: 2.5rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.security-notice {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgb(16, 185, 129) 0%, rgb(5, 150, 105) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: var(--shadow);
}

.security-notice .icon {
    font-size: 1.2rem;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--surface);
    padding: 0.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab {
    padding: 0.875rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.tab.active {
    color: white;
    background: var(--accent-gradient);
    box-shadow: var(--shadow);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.tab-content.hidden {
    display: none;
}

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

h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    font-weight: 600;
}

h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 600;
}

h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 600;
}

form {
    background: var(--surface-gradient);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text);
    font-size: 0.95rem;
}

.form-group .required {
    color: var(--danger);
}

.form-group .optional {
    color: var(--text-light);
    font-weight: 400;
    font-size: 0.85rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--surface);
    color: var(--text);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    line-height: 1.45;
    appearance: auto;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.875rem;
}

.form-group .validity-warning {
    color: var(--warning);
    font-weight: 500;
}

.form-group .validity-warning.hidden {
    display: none;
}

.form-group.hidden {
    display: none;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.checkbox-group input[type="checkbox"],
.checkbox-group input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary);
}

.radio-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.radio-row label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
    color: var(--text);
}

.radio-row input[type="radio"] {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: var(--primary);
}

.san-entry {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.san-entry select {
    width: 100px;
}

.san-entry input {
    flex: 1;
}

.btn {
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-secondary:disabled {
    background: var(--surface);
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--border);
    color: var(--text-light);
}

.btn-secondary:disabled:hover {
    background: var(--surface);
    border-color: var(--border);
    color: var(--text-light);
}

.btn-remove-san {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, rgb(239, 68, 68) 0%, rgb(220, 38, 38) 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-remove-san:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-toggle {
    padding: 0.375rem 0.875rem;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-toggle:hover {
    background: var(--primary);
}

.output {
    background: var(--surface-gradient);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}

.output.hidden {
    display: none;
}

.output-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.output-actions .btn {
    flex: 1;
    min-width: 140px;
}

.pem-viewer {
    margin-bottom: 1.5rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    overflow: hidden;
}

.pem-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    background: var(--bg);
    border-bottom: 2px solid var(--border);
}

.pem-header span {
    font-weight: 600;
    color: var(--text);
}

.pem-content {
    margin: 0;
    padding: 1rem;
    background: var(--code-bg);
    color: var(--code-text);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.pem-content.hidden {
    display: none;
}

.openssl-preview {
    margin-top: 1.5rem;
}

.openssl-preview pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    margin-bottom: 0.5rem;
}

.devops-warning {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgb(245, 158, 11) 0%, rgb(217, 119, 6) 100%);
    color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow);
}

.devops-warning .icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.export-section {
    background: var(--surface-gradient);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.export-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.export-subsection {
    margin-bottom: 1.5rem;
}

.export-subsection:last-child {
    margin-bottom: 0;
}

.export-subsection h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.export-subsection h5 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.yaml-output {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    margin-bottom: 0.5rem;
}

.pem-copy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.pem-copy-grid > div {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pem-copy-grid label {
    font-weight: 500;
}

/* SSL Checker Styles */
.ssl-checker-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.ssl-helper {
    display: block;
    margin-top: 1rem;
    color: var(--text-light);
}

.ssl-output-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.ssl-output-header h3 {
    margin-bottom: 0.25rem;
}

.ssl-detail-summary {
    color: var(--text-light);
    font-size: 0.95rem;
}

.ssl-validity-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    min-height: 2.25rem;
    padding: 0.45rem 0.8rem;
    border-radius: 9999px;
    background: rgba(16, 185, 129, 0.12);
    color: rgb(5, 150, 105);
    border: 1px solid rgba(16, 185, 129, 0.35);
    font-size: 0.85rem;
    font-weight: 700;
}

.ssl-validity-badge.expired {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.4);
}

.ssl-validity-badge.expiring {
    background: rgba(245, 158, 11, 0.14);
    color: rgb(217, 119, 6);
    border-color: rgba(245, 158, 11, 0.45);
}

.ssl-details-section {
    margin-top: 1.5rem;
}

.ssl-details-section:first-of-type {
    margin-top: 0;
}

.ssl-details-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.ssl-details-list > div {
    min-width: 0;
    padding: 0.95rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.ssl-details-list dt {
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.ssl-details-list dd {
    margin: 0;
    color: var(--text);
    font-size: 0.98rem;
    font-weight: 600;
    line-height: 1.45;
    word-break: break-word;
}

.ssl-details-list dd.ssl-expired {
    color: var(--danger);
}

.ssl-details-list dd.ssl-expiring {
    color: var(--warning);
}

.ssl-details-list dd.ssl-valid {
    color: var(--success);
}

.ssl-chain-list {
    display: grid;
    gap: 1rem;
}

.ssl-chain-item {
    position: relative;
    padding: 1rem 1rem 1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.ssl-chain-item::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    border-radius: 0.5rem 0 0 0.5rem;
    background: var(--primary);
}

.ssl-chain-item h5 {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    color: var(--text);
}

.ssl-chain-item p {
    display: grid;
    grid-template-columns: 105px minmax(0, 1fr);
    gap: 0.75rem;
    margin-bottom: 0.45rem;
    color: var(--text-light);
    word-break: break-word;
}

.ssl-chain-item p:last-child {
    margin-bottom: 0;
}

.ssl-chain-item strong {
    color: var(--text);
}

.site-footer {
    margin-top: 3rem;
    padding: 1.5rem;
    border-top: 2px solid var(--border);
    border-radius: 1rem 1rem 0 0;
    background: var(--surface-gradient);
    box-shadow: var(--shadow);
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.footer-copy {
    color: var(--text);
    font-weight: 600;
}

.footer-copy a {
    color: var(--primary);
    text-decoration: none;
}

.footer-copy a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.footer-links-menu {
    position: relative;
}

.footer-links-toggle {
    padding: 0.5rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-weight: 700;
    transition: all 0.2s ease;
}

.footer-links-toggle::after {
    content: "▾";
    margin-left: 0.45rem;
    color: var(--primary);
}

.footer-links-menu:hover .footer-links-toggle,
.footer-links-toggle:focus {
    border-color: var(--primary);
    color: var(--primary);
    outline: none;
}

.footer-links-dropdown {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 0.6rem);
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(2, minmax(150px, 1fr));
    gap: 0.25rem;
    width: min(440px, 90vw);
    max-height: 360px;
    overflow-y: auto;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--surface);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.footer-links-menu:hover .footer-links-dropdown,
.footer-links-menu:focus-within .footer-links-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.footer-links-dropdown a {
    display: block;
    padding: 0.55rem 0.7rem;
    border-radius: 0.45rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
}

.footer-links-dropdown a:hover,
.footer-links-dropdown a:focus {
    background: var(--bg);
    color: var(--primary);
    outline: none;
}

.footer-note {
    text-align: center;
    margin-bottom: 0.35rem;
    line-height: 1.4;
    color: var(--text-light);
}

/* CLI Section Styles */
.cli-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.5;
}

.cli-section {
    background: var(--surface-gradient);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.cli-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.cli-section > p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.code-block {
    margin-bottom: 1.5rem;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    border-bottom: none;
    border-radius: 0.5rem 0.5rem 0 0;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.code-header span {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}

.btn-copy {
    padding: 0.375rem 0.875rem;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-copy:hover {
    background: var(--primary);
}

.code-block pre {
    margin: 0;
    padding: 1rem;
    background: var(--code-bg);
    color: var(--code-text);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    overflow-x: auto;
    border-radius: 0 0 0.5rem 0.5rem;
    border: 2px solid var(--border);
    border-top: none;
}

.cli-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.cli-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 600px;
}

.cli-table thead {
    background: var(--bg);
}

.cli-table th,
.cli-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.cli-table th {
    font-weight: 600;
    color: var(--text);
}

.cli-table td code {
    background: var(--bg);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
}

.cli-table tr:last-child td {
    border-bottom: none;
}

.cli-table tr:hover {
    background: var(--bg);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface-gradient);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.modal-message {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

.modal-close {
    padding: 0.625rem 1.5rem;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.modal-close:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Copied state for buttons */
.btn.copied {
    background: var(--success) !important;
    color: white !important;
}

/* Key Modal Styles */
.key-modal {
    max-width: 600px;
    max-height: 80vh;
}

.key-content-wrapper {
    margin-bottom: 1.5rem;
    max-height: 50vh;
    overflow: auto;
}

.key-modal-content {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

/* CSR Modal Styles */
.csr-modal {
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.csr-modal .form-group {
    margin-bottom: 1rem;
}

.csr-modal .form-group label {
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.csr-modal .form-group input,
.csr-modal .form-group select {
    padding: 0.6rem;
    font-size: 0.9rem;
}

.csr-modal .san-entry {
    margin-bottom: 0.5rem;
}

.csr-modal .san-entry select {
    width: 80px;
}

.csr-modal .san-entry input {
    flex: 1;
}

.csr-modal .btn-remove-san {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.csr-modal #csr-add-san {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
}

.csr-result-modal {
    max-width: 600px;
    max-height: 80vh;
}

.csr-content-wrapper {
    margin-bottom: 1.5rem;
    max-height: 50vh;
    overflow: auto;
}

.csr-result-content {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

/* PKI Section Styles */
.pki-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.5;
}

.pki-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 1.5rem;
}

.pki-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 720px;
}

.pki-table thead {
    background: var(--bg);
}

.pki-table th,
.pki-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.pki-table th {
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
}

.pki-table td {
    vertical-align: top;
    word-break: normal;
}

.pki-table tr:last-child td {
    border-bottom: none;
}

.pki-table tr:hover {
    background: var(--bg);
}

.pki-action-stack {
    display: grid;
    gap: 0.45rem;
    min-width: 260px;
}

.pki-action-row {
    display: grid;
    grid-template-columns: 64px repeat(3, max-content);
    align-items: center;
    gap: 0.35rem;
}

.pki-action-row span {
    color: var(--text-light);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pki-action-row .btn {
    min-width: 54px;
    padding: 0.35rem 0.55rem;
    border-radius: 0.375rem;
    font-size: 0.72rem;
    line-height: 1.1;
    white-space: nowrap;
}

.pki-crypto-toggle {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.pki-crypto-section {
    margin-top: 1.5rem;
}

.pki-crypto-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.pki-crypto-panel {
    min-width: 0;
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    background: var(--surface);
}

.pki-crypto-panel h4 {
    margin-bottom: 1rem;
}

.pki-crypto-panel input[type="file"] {
    margin-top: 0.75rem;
}

.pki-output-field {
    margin-top: 1.5rem;
    margin-bottom: 0;
}

.textarea-with-action {
    display: grid;
    gap: 0.75rem;
}

.textarea-with-action .btn {
    justify-self: end;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        padding: 1.5rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .security-notice {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }

    .tabs {
        flex-direction: column;
    }

    .tab {
        text-align: left;
        padding: 0.75rem 1rem;
    }

    .output-actions {
        flex-direction: column;
    }

    .san-entry {
        flex-direction: column;
    }

    .san-entry select {
        width: 100%;
    }

    .form-row {
        flex-direction: column;
        gap: 1.5rem;
    }

    .pem-copy-grid {
        grid-template-columns: 1fr;
    }

    .footer-links-dropdown {
        grid-template-columns: 1fr;
        left: auto;
        right: 0;
        transform: translateY(8px);
        width: min(320px, 86vw);
    }

    .footer-links-menu:hover .footer-links-dropdown,
    .footer-links-menu:focus-within .footer-links-dropdown {
        transform: translateY(0);
    }

    .ssl-checker-grid,
    .ssl-details-list {
        grid-template-columns: 1fr;
    }

    .ssl-output-header {
        flex-direction: column;
    }

    .ssl-chain-item p {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }

    .pki-crypto-grid {
        grid-template-columns: 1fr;
    }

    .export-subsection h4 {
        font-size: 0.95rem;
    }

    .modal {
        padding: 1.5rem;
        max-width: 90%;
    }

    .theme-toggle,
    .go-to-top {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .go-to-top {
        bottom: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.75rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .security-notice {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    form {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .output {
        padding: 1.5rem;
    }

    .pem-content,
    .yaml-output,
    .code-block pre {
        font-size: 0.75rem;
    }

    .pki-crypto-panel {
        padding: 1rem;
    }

    .textarea-with-action .btn {
        justify-self: stretch;
    }

    .cli-section {
        padding: 1.5rem;
    }

    .code-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .code-header span {
        font-size: 0.85rem;
    }

    .btn-copy {
        font-size: 0.8rem;
        padding: 0.25rem 0.625rem;
    }

    .modal {
        padding: 1.25rem;
        max-width: 95%;
    }

    .modal-title {
        font-size: 1.1rem;
    }

    .modal-message {
        font-size: 0.9rem;
    }

    .modal-close {
        width: 100%;
        padding: 0.625rem 1rem;
    }
}