:root {
    /* Font */
    --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", sans-serif;

    /* Light theme variables */
    --bg-primary: #f5f5f7;
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-sidebar: rgba(245, 245, 247, 0.8);
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --border-color: rgba(0, 0, 0, 0.1);
    --accent-color: #0066cc;
    --accent-hover: #0056b3;
    --warning-color: #ff9500;
    --success-color: #34c759;
    --danger-color: #ff3b30;
    --code-bg: #f0f0f0;
    --nav-link-active-bg: #f5f5f7;

    /* Enhanced shadows for depth */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --sidebar-shadow: 0 0 30px rgba(0, 0, 0, 0.08);
    --button-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --hover-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);

    /* Animation timing */
    --transition-fast: 0.2s;
    --transition-medium: 0.3s;
    --transition-slow: 0.5s;
    --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-duration: 0.3s;

    /* Colors from styles.css */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray: #969696;
    --color-gray-light: #b9b9b9;
    --color-gray-lighter: #f8f8f8;
    --color-gray-dark: #333333;
    --color-gray-darker: #2c2c2c;
    --color-gray-very-dark: #2c3e50;
    --color-gray-very-dark-2: #34495e;
    --color-gray-very-light: #ecf0f1;
    --color-gray-medium: #95a5a6;
    --color-gray-medium-dark: #555;

    /* Blue */
    --color-blue: #3a80d2;
    --color-blue-dark: #2980b9;
    --color-blue-light: #3498db;
    --color-blue-shadow: #4a90e240;

    /* Other Colors */
    --color-green: #2ecc71;
    --color-red: #c82333;
    --color-red-light: #dc3545;
    --color-orange: #f39c12;
    --color-yellow: #f1c40f;
    --color-purple: #9b59b6;
    --color-purple-light: #c76bec;
    --color-purple-dark: #8e44ad;
    --color-teal: #1abc9c;
    --color-teal-dark: #16a085;

    /* Layout */
    --border-radius: 0.5rem;
    --box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);

    /* Bootstrap */
    --bg-info: rgb(0, 106, 158);
}

[data-theme="dark"] {
    /* Dark theme variables */
    --bg-primary: #1d1d1f;
    --bg-card: rgba(44, 44, 46, 0.7);
    --bg-sidebar: rgba(28, 28, 30, 0.8);
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --border-color: rgba(255, 255, 255, 0.1);
    --accent-color: #0a84ff;
    --accent-hover: #409cff;
    --warning-color: #ff9f0a;
    --success-color: #30d158;
    --danger-color: #ff453a;
    --code-bg: #2c2c2e;
    --nav-link-active-bg: #2c2c2c;

    /* Enhanced shadows for dark mode */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --sidebar-shadow: 0 0 30px rgba(0, 0, 0, 0.25);
    --button-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    --hover-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Global Styles */
body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-medium) var(--ease-out), color var(--transition-medium) var(--ease-out);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-fast) var(--ease-out);
}

a:hover {
    color: var(--accent-hover);
}

.text-muted {
    color: var(--text-secondary) !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 500;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 1em;
}

/* Container */
.container {
    max-width: 1200px;
    padding: 0 20px;
}

/* Navbar Styles */
.navbar {
    background-color: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--sidebar-shadow);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar .navbar-brand {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.navbar .nav-link {
    color: var(--text-secondary);
    padding: 8px 16px;
    margin: 0 5px;
    border-radius: 8px;
    transition: all var(--transition-fast) var(--ease-out);
    font-weight: 500;
}

.navbar .nav-link:hover {
    background-color: rgba(0, 102, 204, 0.1);
    transform: translateY(-1px);
}

[data-theme="dark"] .navbar .nav-link:hover {
    background-color: rgba(10, 132, 255, 0.15);
}

.navbar .nav-link.active {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

[data-theme="dark"] .navbar .nav-link.active {
    box-shadow: 0 2px 8px rgba(10, 132, 255, 0.4);
}

/* Bootstrap Nav Tabs Styling */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-link {
    color: var(--text-secondary);
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 8px 8px 0 0;
    padding: 12px 20px;
    margin-right: 5px;
    font-weight: 500;
    transition: all var(--transition-fast) var(--ease-out);
}

.nav-tabs .nav-link:hover {
    background-color: rgba(0, 102, 204, 0.1);
    border-color: transparent;
    transform: translateY(-1px);
}

[data-theme="dark"] .nav-tabs .nav-link:hover {
    background-color: rgba(10, 132, 255, 0.15);
}

.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.3);
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    box-shadow: 0 2px 8px rgba(10, 132, 255, 0.4);
}

.nav-tabs .nav-link:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.25);
}

[data-theme="dark"] .nav-tabs .nav-link:focus {
    box-shadow: 0 0 0 3px rgba(10, 132, 255, 0.25);
}

/* Glass Card Effect */
.glass-card {
    background-color: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 25px;
    margin-bottom: 25px;
    transition: all var(--transition-medium) var(--ease-out);
}

.glass-card:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-3px);
}

/* Network Switch Styles */
.network-switch {
    background-color: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    padding: 25px;
    margin-bottom: 30px;
    transition: all var(--transition-medium) var(--ease-out);
}

.network-switch:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-3px);
}

.network-switch.dragging {
    opacity: 0.8;
    transform: scale(1.02);
    box-shadow: var(--hover-shadow);
}

.network-switch-placeholder {
    background-color: rgba(0, 0, 0, 0.1);
    border: 2px dashed #ccc;
    border-radius: 16px;
    margin-bottom: 30px;
    transition: all var(--transition-fast) var(--ease-out);
}

[data-theme="dark"] .network-switch-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px dashed #444;
}

.switch-label {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    letter-spacing: -0.02em;
}

.switch-label a {
    color: var(--accent-color);
}

.network-switch .fa-pencil-alt,
.network-switch .fa-pencil {
    color: var(--text-secondary);
    transition: color var(--transition-fast) var(--ease-out);
}

.network-switch .fa-pencil-alt:hover,
.network-switch .fa-pencil:hover {
    color: var(--accent-color);
}

.switch-panel {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    background-color: var(--bg-primary);
    padding: 20px;
    border-radius: 12px;
    min-height: 120px;
    border: 1px solid var(--border-color);
}

.switch-panel.drag-over {
    background-color: rgba(74, 144, 226, 0.1);
    border-color: var(--accent-color);
}

/* Port Styles */
.port-slot {
    background-color: var(--bg-card);
    border-radius: 22px;
    /* Increased corner radius for iOS-like appearance */
    padding: 8px;
    transition: all var(--transition-fast) var(--ease-out);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    /* Subtle shadow */
    position: relative;
}

.port-slot:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.port-slot.dragging {
    opacity: 0.8;
    transform: scale(1.05);
    box-shadow: var(--hover-shadow);
    animation: wiggle 0.5s infinite;
}

.port-slot.dragging-immutable {
    opacity: 0.9;
    box-shadow: var(--hover-shadow);
    z-index: 100;
}

.port {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.15) 0%, rgba(0, 0, 0, 0.05) 100%);
    /* Subtle gradient */
    border-radius: 18px;
    /* Slightly smaller radius than the slot */
    padding: 12px;
    text-align: center;
    transition: all var(--transition-medium) var(--ease-out);
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 90px;
    /* Slightly taller */
    z-index: 1;
}

.port.clicked {
    transform: scale(0.95);
    opacity: 0.8;
    transition: transform 0.1s ease-in-out, opacity 0.1s ease-in-out;
}

/* Dark mode adjustments */
[data-theme="dark"] .port {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.1) 0%, rgba(0, 0, 0, 0.2) 100%);
}

.port::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 18px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    z-index: -1;
}

.port.active {
    background: linear-gradient(145deg, #34c759 0%, #32b350 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3);
}

.port-number {
    display: block;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    /* iOS typically uses tighter letter-spacing */
}

.port.active .port-number {
    color: white;
}

.port-description {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 5px;
    max-width: 100%;
    font-weight: 500;
    /* Slightly bolder */
}

.port.active .port-description {
    color: rgba(255, 255, 255, 0.9);
}

.port-protocol {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 0.55rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 0 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 1;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-radius: 0 8px 0;
}

.port-protocol.tcp {
    background-color: var(--accent-color);
    color: white;
}

.port-protocol.udp {
    background-color: var(--warning-color);
    color: white;
}

/* Port tooltips are now handled by the enhanced tooltip system */
.port-tooltip {
    display: none;
    /* Hidden by default, shown by the enhanced tooltip system */
}

/* Immutable tooltip styling */
.immutable-tooltip {
    display: block;
    position: absolute;
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 12px;
    box-shadow: var(--card-shadow);
    z-index: 1001;
    max-width: 250px;
    pointer-events: none;
    border: 1px solid var(--border-color);
}

.immutable-tooltip .tooltip-protocol {
    background-color: var(--danger-color);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.immutable-tooltip .tooltip-value {
    color: var(--danger-color);
    font-weight: 500;
}

.tooltip-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.tooltip-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.tooltip-protocol {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 12px;
}

.tooltip-protocol.tcp {
    background-color: rgba(0, 102, 204, 0.8);
    color: white;
}

.tooltip-protocol.udp {
    background-color: rgba(255, 149, 0, 0.8);
    color: white;
}

.tooltip-content {
    margin-bottom: 10px;
}

.tooltip-label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
}

.tooltip-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.tooltip-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.port-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
}

.tab-pane h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 600;
}


@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(var(--pulse-color, 52, 199, 89), 0.4);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(var(--pulse-color, 52, 199, 89), 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(var(--pulse-color, 52, 199, 89), 0);
    }
}

@keyframes wiggle {
    0% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-3deg);
    }

    50% {
        transform: rotate(0deg);
    }

    75% {
        transform: rotate(3deg);
    }

    100% {
        transform: rotate(0deg);
    }
}

@keyframes elastic-snap {
    0% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-10px);
    }

    40% {
        transform: translateX(8px);
    }

    60% {
        transform: translateX(-6px);
    }

    80% {
        transform: translateX(4px);
    }

    100% {
        transform: translateX(0);
    }
}

/* Click animation for ports */
.port.clicked {
    transform: scale(0.95);
    transition: transform 0.15s ease-in-out;
}

.add-port-slot {
    display: flex;
    justify-content: center;
    align-items: center;
}

.add-port {
    background: linear-gradient(145deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 18px;
    padding: 10px;
    text-align: center;
    transition: all var(--transition-medium) var(--ease-out);
    cursor: pointer;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--button-shadow);
}

.add-port:hover {
    transform: translateY(-2px);
    background: linear-gradient(145deg, var(--accent-hover) 0%, var(--accent-color) 100%);
    box-shadow: var(--hover-shadow);
}

.add-port-icon {
    font-size: 24px;
    color: white;
    font-weight: bold;
}

/* Miscellaneous */
.edit-ip {
    color: var(--text-secondary);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast) var(--ease-out);
    background-color: transparent;
}

.edit-ip:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--accent-color);
}

[data-theme="dark"] .edit-ip:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.switch-label .edit-ip {
    margin-left: 10px;
}

.sort-buttons {
    display: inline-flex;
    margin-left: auto;
    margin-right: 10px;
}

.sort-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-radius: 6px;
    transition: all var(--transition-fast) var(--ease-out);
}

.sort-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--accent-color);
}

[data-theme="dark"] .sort-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.sort-btn i {
    margin-right: 3px;
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 500;
    transition: all var(--transition-fast) var(--ease-out);
    box-shadow: var(--button-shadow);
    border: none;
    padding: 8px 16px;
}

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

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

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

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

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-secondary {
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
}

#add-ip-btn {
    background-color: var(--accent-color);
    color: var(--color-white);
}

/* Forms */
.form-control,
.form-select {
    border-radius: 10px;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-fast) var(--ease-out);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.25);
    border-color: var(--accent-color);
}

.form-control:disabled {
    background-color: var(--bg-card);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* Modal Customization */
.modal-content {
    border-radius: 16px;
    border: none;
    background-color: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--card-shadow);
}

.modal-header {
    border-bottom-color: var(--border-color);
    padding: 20px 25px;
    background-color: var(--bg-sidebar);
}

.modal-footer {
    border-top-color: var(--border-color);
    padding: 20px 25px;
    background-color: var(--bg-sidebar);
}

.modal-title {
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.modal-body {
    padding: 25px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

/* Modern select styling */
.modern-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--color-gray-lighter);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    padding: 0.5rem 2rem 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-gray-dark);
    cursor: pointer;
    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='%23333' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.75rem;
    transition: border-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

.modern-select:hover {
    border-color: var(--color-blue-light);
}

.modern-select:focus {
    outline: none;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 2px var(--color-blue-shadow);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    border: none;
}

/* About section styles */
#about {
    padding: 20px;
    border-radius: 10px;
}

.section-title {
    font-size: 2.5em;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
    letter-spacing: -1px;
}

.info-card {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card-content {
    padding: 25px;
}

.card-title {
    font-size: 1.8em;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}

.card-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    transition: width 0.3s ease;
}

.info-card:hover .card-title::after {
    width: 100px;
}

.info-label {
    font-weight: 600;
    margin-right: 10px;
}

.markdown-content {
    font-size: 1em;
    line-height: 1.8;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: 600;
}

.markdown-content h1 {
    font-size: 1.8em;
}

.markdown-content h1 a {
    text-decoration: none;
    border-bottom: none;
}

.markdown-content h2 {
    font-size: 1.5em;
}

.markdown-content h3 {
    font-size: 1.3em;
}

.markdown-content ul {
    padding-left: 20px;
    list-style-type: none;
}

.markdown-content li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.markdown-content li::before {
    content: '•';
    font-size: 1.5em;
    position: absolute;
    left: 0;
    top: -5px;
}

.markdown-content code {
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    font-weight: bold;
}

.markdown-content a {
    text-decoration: none;
    transition: all 0.3s ease;
}

.show-more {
    display: inline-block;
    margin-top: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.show-more:hover {
    text-decoration: underline;
}

@keyframes wave {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0);
    }
}

#loading-overlay .fa-anchor {
    animation: wave 2s ease-in-out infinite;
}

/* CodeMirror Styles */
.CodeMirror {
    height: 300px;
    border: 1px solid var(--color-gray-lighter);
    font-size: 14px;
}

.CodeMirror-gutters {
    width: 40px;
}

.CodeMirror-linenumbers {
    width: 30px;
}

.CodeMirror-sizer {
    margin-left: 40px !important;
}

.CodeMirror-scroll {
    overflow-x: auto;
    overflow-y: hidden;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .switch-panel {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .glass-card {
        padding: 20px;
    }

    h1 {
        font-size: 2rem;
    }

    #about {
        padding: 15px;
    }

    .section-title {
        font-size: 2em;
    }

    .card-title {
        font-size: 1.5em;
    }

    .markdown-content {
        font-size: 0.9em;
    }
}

@media (min-width: 576px) {
    .modal-dialog {
        min-height: calc(100% - 3.5rem);
    }
}

/* Immutable Fields */
.immutable-field-icon {
    background-color: var(--bg-sidebar);
    color: var(--text-secondary);
}

.immutable-field-icon i {
    color: var(--text-secondary);
}

.immutable-field-note {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 5px;
}

.input-group .form-control:disabled+.immutable-field-icon {
    background-color: var(--bg-sidebar);
    border-color: var(--border-color);
}

/* Presets Dropdown Styling */
.presets-dropdown-container {
    position: relative;
}

.presets-dropdown-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
    padding: 12px 16px;
    transition: all var(--transition-fast) var(--ease-out);
    display: flex;
    align-items: center;
    gap: 0px;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    box-shadow: var(--button-shadow);
    position: relative;
    left: 1px;
    height: 100%;
    padding: 0 0.5em;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.presets-dropdown-btn:hover {
    background-color: var(--bg-sidebar);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--hover-shadow);
}

.presets-dropdown-btn:focus {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.25);
    color: var(--text-primary);
    background-color: var(--bg-card);
}

.presets-dropdown-btn .dropdown-toggle::after {
    margin-left: 4px;
}

/* Presets Dropdown Menu */
.presets-dropdown-menu {
    background-color: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 8px 0;
    margin-top: 4px;
    min-width: 280px;
    max-height: 320px;
    overflow-y: auto;
}

.presets-dropdown-menu .dropdown-header {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 8px 16px;
    margin-bottom: 4px;
}

.presets-dropdown-menu .dropdown-divider {
    border-color: var(--border-color);
    margin: 8px 0;
}

/* Preset Search Input */
.preset-search-container {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.preset-search-input {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.9rem;
    color: var(--text-primary);
    width: 100%;
    transition: all var(--transition-fast) var(--ease-out);
}

.preset-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.15);
}

.preset-search-input::placeholder {
    color: var(--text-secondary);
}

/* Preset Items */
.preset-item {
    color: var(--text-primary);
    padding: 12px 16px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-fast) var(--ease-out);
    border-radius: 8px;
    margin: 2px 8px;
}

.preset-item:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateX(4px);
}

.preset-item:focus {
    background-color: var(--accent-color);
    color: white;
    outline: none;
}

.preset-item-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.preset-item-port {
    font-size: 0.85rem;
    font-weight: 600;
    background-color: rgba(0, 0, 0, 0.1);
    padding: 4px 8px;
    border-radius: 6px;
    color: var(--text-secondary);
    transition: all var(--transition-fast) var(--ease-out);
}

.preset-item:hover .preset-item-port {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Dark mode adjustments for preset dropdown */
[data-theme="dark"] .preset-item-port {
    background-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .preset-item:hover .preset-item-port {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Preset notification styling */
.preset-notification {
    margin-top: 12px;
}

.preset-notification .alert {
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 0.85rem;
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preset-notification .alert-info {
    background-color: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-left: 3px solid var(--accent-color);
}

[data-theme="dark"] .preset-notification .alert-info {
    background-color: rgba(10, 132, 255, 0.15);
    color: var(--accent-color);
}

/* Scrollbar for preset dropdown */
.presets-dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.presets-dropdown-menu::-webkit-scrollbar-track {
    background: transparent;
}

.presets-dropdown-menu::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

.presets-dropdown-menu::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-secondary);
}

/* Animation for preset items */
@keyframes slideInPreset {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.preset-item {
    animation: slideInPreset 0.2s ease-out;
}

/* Loading state for presets */
.presets-loading {
    padding: 20px;
    text-align: center;
    color: var(--text-secondary);
}

.presets-loading i {
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Port Scan Results Styling */
.scan-no-results {
    text-align: center;
    padding: 40px 20px;
    margin: 20px 0;
}

.scan-no-results .scan-result-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.scan-no-results h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.scan-no-results p {
    color: var(--text-secondary);
    margin: 0;
}

.scan-results-header {
    text-align: center;
    padding: 30px 20px;
    margin-bottom: 20px;
    position: relative;
}

.scan-results-header .scan-result-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.scan-results-header .scan-result-icon.success {
    color: var(--success-color);
}

.scan-results-header h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 1.5rem;
}

.scan-results-header p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.auto-add-notice {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.scan-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.scan-result-card {
    padding: 20px;
    transition: all var(--transition-medium) var(--ease-out);
    border-left: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.scan-result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--hover-shadow);
}

.scan-result-card.new-port {
    border-left-color: var(--success-color);
}

.scan-result-card.auto-added {
    border-left-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0.02) 100%);
}

.scan-result-card.already-exists {
    border-left-color: var(--text-secondary);
    opacity: 0.8;
}

.scan-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.port-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.port-info .port-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.port-info .port-protocol {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.port-info .port-protocol.tcp {
    background-color: var(--accent-color);
    color: white;
}

.port-info .port-protocol.udp {
    background-color: var(--warning-color);
    color: white;
}

.port-status {
    font-size: 1.2rem;
}

.scan-result-card.new-port .port-status {
    color: var(--success-color);
}

.scan-result-card.auto-added .port-status {
    color: var(--accent-color);
}

.scan-result-card.already-exists .port-status {
    color: var(--text-secondary);
}

.scan-result-body {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 15px;
}

.status-info {
    flex: 1;
}

.status-text {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.status-description {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.scan-result-action {
    flex-shrink: 0;
}

.scan-action-button {
    background: linear-gradient(135deg, var(--success-color) 0%, #2ecc71 100%);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast) var(--ease-out);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(46, 204, 113, 0.3);
}

.scan-action-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.4);
    background: linear-gradient(135deg, #2ecc71 0%, var(--success-color) 100%);
}

.scan-action-button:active {
    transform: translateY(0);
}

.scan-action-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.scan-action-success {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.scan-action-disabled {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .scan-action-disabled {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Animation for scan result cards */
@keyframes slideInScanResult {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.scan-result-card {
    animation: slideInScanResult 0.3s ease-out;
}

.scan-result-card:nth-child(1) {
    animation-delay: 0.1s;
}

.scan-result-card:nth-child(2) {
    animation-delay: 0.2s;
}

.scan-result-card:nth-child(3) {
    animation-delay: 0.3s;
}

.scan-result-card:nth-child(4) {
    animation-delay: 0.4s;
}

.scan-result-card:nth-child(5) {
    animation-delay: 0.5s;
}

.scan-result-card:nth-child(n+6) {
    animation-delay: 0.6s;
}

/* Responsive adjustments for scan results */
@media (max-width: 768px) {
    .scan-results-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .scan-result-card {
        padding: 16px;
    }

    .scan-result-body {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .scan-result-action {
        align-self: stretch;
    }

    .scan-action-button {
        width: 100%;
        justify-content: center;
    }
}

/* Tag System Styles */
.tag-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    margin: 0.125rem;
    border-radius: 0.375rem;
    color: white;
    font-size: 0.875rem;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast) var(--ease-out);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.tag-badge:hover {
    opacity: 0.8;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.port-tags {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
}

.port-tags .tag-badge {
    font-size: 0.75rem;
    padding: 0.2rem 0.4rem;
}

.min-height-50 {
    min-height: 50px;
}

.tag-item {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-card);
    transition: all var(--transition-fast) var(--ease-out);
}

.tag-item:hover {
    background: var(--bg-sidebar);
    transform: translateY(-1px);
    box-shadow: var(--button-shadow);
}

/* Dark mode adjustments for tag items */
[data-theme="dark"] .tag-item {
    background: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.15);
}

[data-theme="dark"] .tag-item:hover {
    background: var(--bg-sidebar);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.rule-item {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-card);
    transition: all var(--transition-fast) var(--ease-out);
}

.rule-item:hover {
    background: var(--bg-sidebar);
    transform: translateY(-1px);
    box-shadow: var(--button-shadow);
}

.rule-item.disabled {
    opacity: 0.6;
    background: var(--bg-sidebar);
}

.condition-item,
.action-item {
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-sidebar);
    transition: all var(--transition-fast) var(--ease-out);
}

.condition-item:hover,
.action-item:hover {
    background: var(--bg-card);
    box-shadow: var(--button-shadow);
}


.port-item {
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background: var(--bg-card);
    transition: all var(--transition-fast) var(--ease-out);
}

.port-item:hover {
    background: var(--bg-sidebar);
    transform: translateY(-1px);
    box-shadow: var(--button-shadow);
}

.usage-badge {
    background-color: var(--text-secondary);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Tag management modal styles */
#current-port-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
}

#current-port-tags:empty::after {
    content: "No tags assigned";
    color: var(--text-secondary);
    font-style: italic;
}

.tag-remove-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.7rem;
    margin-left: 0.25rem;
    cursor: pointer;
    transition: color var(--transition-fast) var(--ease-out);
}

.tag-remove-btn:hover {
    color: white;
}

/* Tag statistics styles */
.tag-stats .h4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Bootstrap */
.bg-info {
    background-color: var(--bg-info);
}

/* Responsive tag styles */
@media (max-width: 768px) {
    .tag-badge {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }

    .port-tags .tag-badge {
        font-size: 0.7rem;
        padding: 0.15rem 0.3rem;
    }
}