:root {
    --primary: #3498db;
    --primary-glow: rgba(52, 152, 219, 0.2);
    --background-dark: #121212;
    --container-dark: #1E1E1E;
    --border-dark: #3b4754;
    --text-main-dark: #E0E0E0;
    --text-secondary-dark: #9dabb9;
    --success: #2ECC71;
    --danger: #E74C3C;
    --warning: #f1c40f;
    --warning-bg: rgba(231, 196, 60, 0.1);
    --warning-border: #E7C43C;
    --font-display: "Inter", "Space Grotesk", sans-serif;
    --font-mono: "Fira Code", monospace;
}

/* --- Base & Login Styles --- */
body {
    font-family: var(--font-display);
    background-color: var(--background-dark);
    color: var(--text-main-dark);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.login-container .header {
    text-align: center;
    margin-bottom: 40px;
}

.login-container .header h1 {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0 0 10px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-main-dark);
}

.login-container .header h1 i {
    color: var(--primary);
}

.login-container .header p {
    font-size: 1.1em;
    color: var(--text-secondary-dark);
    margin: 0;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--container-dark);
    border: 1px solid var(--border-dark);
    border-radius: 0.75rem;
    overflow: hidden;
}

.tab-header {
    display: flex;
    background-color: rgba(0,0,0,0.2);
}

.tab-btn {
    flex: 1;
    padding: 15px;
    font-size: 1em;
    font-weight: 500;
    color: var(--text-secondary-dark);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s ease, border-bottom-color 0.2s ease;
    border-bottom: 3px solid transparent;
}
.tab-btn.active {
    color: var(--text-main-dark);
    border-bottom-color: var(--primary);
}

.tab-content {
    padding: 30px;
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: 20px;
}
.auth-form.active {
    display: flex;
}

.form-group label {
    font-size: 0.85em;
    color: var(--text-secondary-dark);
    margin-bottom: 8px;
    display: block;
    font-weight: 500;
}

.form-group input, .form-group select {
    background-color: var(--background-dark);
    border: 1px solid var(--border-dark);
    color: var(--text-main-dark);
    padding: 12px 12px;
    border-radius: 0.5rem;
    font-size: 0.95em;
    font-family: var(--font-display);
    width: 100%;
    transition: all 0.2s ease;
    box-sizing: border-box;
}
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.action-btn {
    padding: 12px;
    height: 44px;
    font-size: 1em;
    font-weight: 700;
    color: #fff;
    background-color: var(--primary);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-sizing: border-box;
}
.action-btn:hover {
    background-color: #2980b9;
}
.action-btn:active {
    transform: scale(0.98);
}
.action-btn:disabled {
    background-color: var(--border-dark);
    cursor: not-allowed;
    color: var(--text-secondary-dark);
}
.action-btn.secondary-btn {
    background-color: var(--border-dark);
    color: var(--text-main-dark);
}
.action-btn.secondary-btn:hover:not(:disabled) {
    background-color: #4a5868;
}
.action-btn.danger-btn {
    background-color: var(--danger);
}
.action-btn.danger-btn:hover:not(:disabled) {
    background-color: #c0392b;
}

.error-message {
    background-color: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--danger);
    color: var(--text-main-dark);
    padding: 12px;
    border-radius: 0.5rem;
    font-size: 0.9em;
    text-align: center;
    display: none;
}


/* --- Dashboard Styles --- */
.dashboard-body {
    display: flex;
    align-items: flex-start; /* Align to top to allow sticky sidebar */
    padding: 0;
    background: #0d1117;
}

.sidebar {
    width: 260px;
    height: 100vh; /* Fixed height */
    background-color: var(--container-dark);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
    box-sizing: border-box;
    position: sticky; /* Keep sidebar visible on scroll */
    top: 0;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-shrink: 0;
}
.sidebar-header .logo {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    color: white;
}
.sidebar-header h2 {
    font-size: 1.1em;
    font-weight: 500;
    margin: 0;
    line-height: 1.2;
}
.sidebar-header h2 span {
    font-size: 0.8em;
    color: var(--text-secondary-dark);
}

.sidebar-nav {
    overflow-y: auto; /* Allow nav to scroll if needed */
    flex-grow: 1;
}
.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-secondary-dark);
    font-weight: 500;
    transition: background-color 0.2s ease, color 0.2s ease;
}
.sidebar-nav a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-main-dark);
}
.sidebar-nav a.active {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--primary);
}
.sidebar-nav i {
    width: 20px;
    text-align: center;
}

/* --- Sidebar Dropdown Styles --- */
.sidebar-nav .has-submenu .submenu-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.sidebar-nav .submenu-toggle .menu-item-label {
    display: flex;
    align-items: center;
    gap: 12px; /* This mirrors the 'gap' on the main 'a' tag */
}
.sidebar-nav .submenu-arrow {
    font-size: 0.8em;
    transition: transform 0.3s ease;
}
.sidebar-nav .has-submenu.open > a .submenu-arrow {
    transform: rotate(180deg);
}
.sidebar-nav .submenu {
    list-style: none;
    padding-left: 20px;
    margin: 5px 0 0 0;
    max-height: 0;
    overflow-y: auto;
    transition: max-height 0.3s ease-in-out;
}
.sidebar-nav .has-submenu.open > .submenu {
    max-height: 200px;
}
.sidebar-nav .submenu li a {
    color: var(--text-secondary-dark);
    font-size: 0.9em;
    padding: 8px 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}
.sidebar-nav .submenu li a:hover {
    color: var(--text-main-dark);
}
.sidebar-nav .submenu li.empty-submenu a {
    font-style: italic;
    cursor: default;
}
.sidebar-nav .submenu li.empty-submenu a:hover {
    background-color: transparent;
    color: var(--text-secondary-dark);
}


.sidebar-footer {
    padding-top: 15px; /* Spacing from the nav list */
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9em;
    font-weight: 500;
}
.status-indicator .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.status-indicator.connected .dot { background-color: var(--success); }
.status-indicator.disconnected .dot { background-color: var(--danger); }
.status-indicator.connected .dot.animated {
    animation: pulse 1.5s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(46, 204, 113, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 204, 113, 0); }
}

/* --- New Sidebar Info Box --- */
.sidebar-info {
    background-color: var(--background-dark);
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    padding: 12px;
    font-size: 0.85em;
}
.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.info-item:not(:last-child) {
    margin-bottom: 8px;
}
.info-label {
    color: var(--text-secondary-dark);
}
.info-value {
    font-weight: 500;
    font-family: var(--font-mono);
    color: var(--text-main-dark);
}


.main-content {
    flex-grow: 1;
    padding: 40px;
    overflow-y: auto;
    /* max-height: 100vh; /* Ensure main content can scroll independently */ */
}
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}
.main-header h1 {
    margin: 0;
    font-size: 1.8em;
    font-weight: 600;
}
.main-header p {
    margin: 5px 0 0 0;
    color: var(--text-secondary-dark);
}
.main-header-actions {
    display: flex;
    gap: 12px;
}
.search-bar {
    background-color: var(--container-dark);
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    height: 44px;
    box-sizing: border-box;
}
.search-bar i { color: var(--text-secondary-dark); }
.search-bar input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-main-dark);
    padding: 10px 8px;
    font-size: 0.9em;
}

#notifications-area {
    margin-bottom: 25px;
}
.notification-bar {
    padding: 15px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}
.notification-bar.warning {
    background-color: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-border);
}
.notification-bar.success {
    background-color: rgba(46, 204, 113, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.tunnels-table-container {
    background-color: var(--container-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    overflow: hidden;
}
.tunnels-table {
    width: 100%;
    border-collapse: collapse;
}
.tunnels-table th {
    text-align: left;
    padding: 12px 18px;
    font-size: 0.75em;
    color: var(--text-secondary-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-dark);
}
.tunnels-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--border-dark);
    font-size: 0.9em;
    vertical-align: middle;
}
.tunnels-table tr:last-child td {
    border-bottom: none;
}
.tunnels-table tr.empty-row td {
    text-align: center;
    padding: 50px;
    color: var(--text-secondary-dark);
}
/* Make rows clickable */
.tunnels-table tr.tunnel-row {
    cursor: pointer;
    transition: background-color 0.2s ease;
}
.tunnels-table tr.tunnel-row:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.tunnel-name {
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}
.tunnel-name i {
    font-size: 1.2em;
    color: var(--text-secondary-dark);
}
.public-address {
    font-family: var(--font-mono);
    color: var(--primary);
    text-decoration: none;
}
.public-address:hover {
    text-decoration: underline;
}
.forwarding-to {
    font-family: var(--font-mono);
}
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 500;
}
.status-pill.active {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--success);
}
.status-pill.inactive {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger);
}
.status-pill.paused {
    background-color: var(--warning-bg);
    color: var(--warning);
}
.status-pill .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.status-pill.active .dot { background-color: var(--success); }
.status-pill.inactive .dot { background-color: var(--danger); }
.status-pill.paused .dot { background-color: var(--warning); }

.action-icons {
    display: flex;
    gap: 10px;
}
.action-icons button {
    background: none;
    border: none;
    color: var(--text-secondary-dark);
    cursor: pointer;
    font-size: 1.1em;
    padding: 5px;
    border-radius: 4px;
    transition: color 0.2s, background-color 0.2s;
}
.action-icons button:hover {
    color: var(--text-main-dark);
    background-color: rgba(255, 255, 255, 0.1);
}
.action-icons button.delete-btn:hover {
    color: var(--danger);
}


/* --- Modal Styles --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.visible {
    display: flex;
    opacity: 1;
}
.modal-content {
    background-color: var(--container-dark);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-dark);
    width: 100%;
    max-width: 400px;
    position: relative;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}
.modal-overlay.visible .modal-content {
    transform: scale(1);
}
.modal-content h3 {
    margin-top: 0;
    font-weight: 500;
}
.modal-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5em;
    color: var(--text-secondary-dark);
    cursor: pointer;
    transition: color 0.2s ease;
}
.modal-close-btn:hover { color: var(--text-main-dark); }

.config-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.config-form .action-btn {
    margin-top: 10px;
    padding: 12px;
}

/* --- Confirmation Modal Specific Styles --- */
.confirmation-modal-content p {
    color: var(--text-secondary-dark);
    line-height: 1.6;
    margin-top: 10px;
}
.confirmation-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 30px;
}


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

.tunnel-row {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeIn 0.5s ease forwards;
}

/* --- Tunnel Details Page Styles --- */
.main-header.details-header {
    align-items: flex-start;
    gap: 15px;
}

.details-header-content {
    flex-grow: 1;
}

.details-header-main-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.breadcrumbs {
    font-size: 0.9em;
    margin: 0 0 15px 0 !important;
}
.breadcrumbs a {
    color: var(--text-secondary-dark);
    text-decoration: none;
}
.breadcrumbs a:hover {
    text-decoration: underline;
}

.tunnel-title-group {
    display: flex;
    align-items: center;
    gap: 15px;
}
.title-icon-wrapper {
    font-size: 2.2em;
    color: var(--success);
}
.title-icon-wrapper.disconnected {
    color: var(--danger);
}
.title-icon-wrapper.paused {
    color: var(--warning);
}

.tunnel-title-group h1 {
    font-size: 2em;
    font-weight: 700;
    margin: 0;
    line-height: 1.1;
}
.tunnel-status-header {
    font-size: 0.9em;
    color: var(--text-secondary-dark);
    margin-top: 5px;
}
.tunnel-status-header.disconnected {
    color: var(--danger);
}
.tunnel-status-header.paused {
    color: var(--warning);
}

/* Override standard action buttons for details header */
.details-header .action-btn.secondary-btn {
    background-color: #21262d;
    color: var(--text-main-dark);
    border: 1px solid var(--border-dark);
}
.details-header .action-btn.secondary-btn:hover:not(:disabled) {
    background-color: #30363d;
    border-color: #8b949e;
}
.details-header .action-btn.danger-btn {
    background-color: rgba(215, 58, 73, 0.15);
    color: #f85149;
    border: 1px solid rgba(215, 58, 73, 0.4);
}
.details-header .action-btn.danger-btn:hover:not(:disabled) {
    background-color: #da3633;
    color: #fff;
    border-color: #da3633;
}

.details-grid-top {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.address-card {
    background: var(--container-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.address-card label {
    display: block;
    color: var(--text-secondary-dark);
    font-size: 0.8em;
    text-transform: uppercase;
}
.address-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    background-color: var(--background-dark);
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-dark);
}
.address-value span {
    font-family: var(--font-mono);
    font-size: 0.95em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.address-value button {
    background: none;
    border: none;
    color: var(--text-secondary-dark);
    cursor: pointer;
    font-size: 1.1em;
    padding: 5px;
    border-radius: 4px;
    transition: color 0.2s, background-color 0.2s;
    flex-shrink: 0;
}
.address-value button:hover {
    color: var(--text-main-dark);
    background-color: rgba(255, 255, 255, 0.1);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    /* margin-top: 25px; */ /* Removed because top-grid has margin-bottom */
}
.stat-card, .content-card {
    background: var(--container-dark);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 20px;
}
.stat-card { grid-column: span 1; text-align: left; }
.content-card { grid-column: span 4; }

.stat-card label {
    display: block;
    color: var(--text-secondary-dark);
    font-size: 0.8em;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.stat-card-value {
    font-size: 2em;
    font-weight: 600;
}
.stat-card-value .unit {
    font-size: 0.5em;
    font-weight: 500;
    color: var(--text-secondary-dark);
    margin-left: 5px;
}

.traffic-history .placeholder-content {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary-dark);
}
.traffic-history .placeholder-content img {
    max-width: 200px;
    opacity: 0.5;
    margin-bottom: 20px;
}

.logs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.logs-header h3 { margin: 0; }
.log-actions { display: flex; gap: 10px; }
.log-actions input {
    background: var(--background-dark);
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    color: var(--text-main-dark);
    padding: 8px 12px;
}
.log-actions button {
    background: var(--border-dark);
    border: none;
    color: var(--text-main-dark);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logs-table {
    width: 100%;
    border-collapse: collapse;
}
.logs-table th {
    text-align: left;
    padding: 10px;
    font-size: 0.75em;
    color: var(--text-secondary-dark);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-dark);
}
.logs-table td {
    padding: 10px;
    font-size: 0.9em;
    font-family: var(--font-mono);
    border-bottom: 1px solid var(--border-dark);
}
.logs-table tr:last-child td { border-bottom: none; }
.log-method {
    font-weight: bold;
}
.log-method-get { color: #61affe; }
.log-method-post { color: #49cc90; }
.log-method-put { color: #fca130; }
.log-method-delete { color: #f93e3e; }
.log-method-connect { color: var(--success); }
.log-method-exit { color: var(--danger); }
.log-method-system { color: var(--text-secondary-dark); }

.status-pill.status-2xx { background-color: rgba(46, 204, 113, 0.1); color: var(--success); }
.status-pill.status-3xx { background-color: rgba(52, 152, 219, 0.1); color: var(--primary); }
.status-pill.status-4xx { background-color: rgba(241, 196, 15, 0.1); color: #f1c40f; }
.status-pill.status-5xx { background-color: rgba(231, 76, 60, 0.1); color: var(--danger); }
.status-pill.status-default { background-color: rgba(127, 140, 141, 0.1); color: #7f8c8d; }


/* --- Table Pagination Styles --- */
.pagination-controls {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
    padding: 15px 0 0 0;
    font-size: 0.9em;
}

.pagination-controls button {
    background: var(--border-dark);
    border: none;
    color: var(--text-main-dark);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.pagination-controls button:hover:not(:disabled) {
    background-color: #4a5868;
}

.pagination-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.logs-table tr td[colspan] {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary-dark);
}

/* --- Notification Modal --- */
.notification-modal {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translate(-50%, 20px);
    padding: 15px 25px;
    border-radius: 8px;
    background-color: var(--container-dark);
    border: 1px solid var(--border-dark);
    color: var(--text-main-dark);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    font-size: 1em;
    font-weight: 500;
}
.notification-modal.visible {
    opacity: 1;
    transform: translate(-50%, 0);
}
.notification-modal i {
    font-size: 1.3em;
}
.notification-modal.notification-success i {
    color: var(--success);
}
.notification-modal.notification-error i {
    color: var(--danger);
}

/* --- Mobile Menu Toggle & Overlay --- */
.menu-toggle-btn {
    display: none; /* Hidden by default, shown in media query */
    background: none;
    border: 1px solid var(--border-dark);
    color: var(--text-secondary-dark);
    font-size: 1.2em;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.menu-toggle-btn:hover {
    background-color: var(--border-dark);
    color: var(--text-main-dark);
}

.main-content-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100%;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        z-index: 2000;
        padding-top: 24px;
        box-shadow: 5px 0 15px rgba(0,0,0,0.2);
    }

    .dashboard-body.sidebar-open .sidebar {
        transform: translateX(0);
    }
    
    .dashboard-body.sidebar-open .main-content-overlay {
        display: block;
    }

    .main-content {
        padding: 25px;
    }
    
    .menu-toggle-btn {
        display: block; /* Show on smaller screens */
    }
    .details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .content-card {
        grid-column: span 2;
    }
}


@media (max-width: 768px) {
    body {
        /* Allow vertical scrolling on small screens */
        align-items: flex-start;
        padding-top: 20px;
    }
    
    .login-container {
        padding: 15px;
    }
    
    .auth-card {
        max-width: none; /* Full width on mobile */
    }

    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .main-header > div:first-of-type {
        order: 1; /* Make title appear after button */
    }

    .main-header-actions {
        width: 100%;
        flex-direction: column;
        order: 2;
    }
    
    .search-bar {
        width: 100%;
    }

    /* Details Page on mobile */
    .details-header-main-row {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    .details-header .main-header-actions {
        flex-direction: row;
        width: auto;
    }
    
    .details-grid-top {
        grid-template-columns: 1fr;
    }

    .details-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-card {
        grid-column: span 1;
    }
    .content-card {
        grid-column: span 2;
    }


    /* Responsive Table to Cards */
    .tunnels-table thead {
        display: none;
    }

    .tunnels-table tr.tunnel-row {
        display: block;
        background-color: var(--container-dark);
        border: 1px solid var(--border-dark);
        border-radius: 8px;
        padding: 15px;
        margin-bottom: 15px;
    }
    
    /* Remove borders from container if rows have them */
    .tunnels-table-container {
        background-color: transparent;
        border: none;
    }

    .tunnels-table, .tunnels-table tbody {
        display: block;
    }

    .tunnels-table tr:last-child {
        margin-bottom: 0;
    }
    
    .tunnels-table tr.empty-row td {
        background-color: var(--container-dark);
        border: 1px solid var(--border-dark);
        border-radius: 8px;
        padding: 30px 15px;
    }

    .tunnels-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-dark);
        text-align: right;
    }
    
    .tunnels-table tr.tunnel-row td {
        border-color: rgba(59, 71, 84, 0.5); /* Lighter border inside cards */
    }
    
    .tunnels-table td:last-child {
        border-bottom: none;
        padding-top: 15px;
        justify-content: flex-end; /* Align action icons to the right */
    }

    .tunnels-table td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--text-secondary-dark);
        text-align: left;
        margin-right: 10px;
        text-transform: uppercase;
        font-size: 0.8em;
    }

    .tunnels-table td .public-address,
    .tunnels-table td .forwarding-to {
        font-size: 0.9em;
        word-break: break-all;
    }
    
    /* Mobile Logs Table Styling */
    .logs-table thead {
        display: none;
    }
    .logs-table tr {
        display: block;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-dark);
        line-height: 1.6;
    }
    .logs-table td {
        display: inline-block; /* Cells flow in a line and wrap */
        padding-right: 12px; /* Spacing between cells */
        border: none;
        text-align: left;
    }
    .logs-table td::before {
        content: none; /* Remove the data-label */
    }
    
    /* Responsive Log Headers */
    .desktop-only {
        display: none;
    }
    .log-actions button {
        padding: 8px 12px;
        gap: 0; /* Remove gap between icon and hidden text */
    }
    .logs-header h3 {
        white-space: nowrap;
    }


    /* Modal adjustments */
    .modal-content {
        width: 90%;
    }
}