/* ============================================
   CYBERBRO - MODERN UI STYLES
   Mobile-first responsive design
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================ */
:root {
    /* Primary Colors */
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --primary-light: #4da3ff;
    --primary-dark: #0046a5;

    /* Semantic Colors */
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    /* Light Mode Colors */
    --background-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-color: #212529;
    --text-secondary: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Dark Mode Colors */
    --dark-background-color: #1e2a36;
    --dark-surface-color: #2c3e50;
    --dark-text-color: #ecf0f1;
    --dark-text-secondary: #bdc3c7;
    --dark-border-color: #34495e;
    --dark-shadow-color: rgba(0, 0, 0, 0.4);

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 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);

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

/* ============================================
   BASE STYLES
   ============================================ */
* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* Responsive container padding */
@media (min-width: 768px) {
    .container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 90%;
        padding: var(--spacing-lg) var(--spacing-xl);
    }
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: 1.75rem;
    color: var(--text-color);
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }
}

/* Page header styling for consistent spacing */
.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
}

body.dark-mode .page-header p {
    color: var(--dark-text-secondary);
}

p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover-color);
    text-decoration: underline;
}

a:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    margin: var(--spacing-sm) 0;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    background-color: var(--primary-color);
    color: white;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background-color: var(--primary-hover-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"] {
    width: 100%;
    max-width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-family: var(--font-family);
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

textarea {
    min-height: 140px;
    resize: vertical;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

input[type="checkbox"] {
    accent-color: var(--primary-color);
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

label {
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    cursor: pointer;
}

/* Modern Radio Container */
.radio-container {
    display: inline-flex;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    gap: 0.25rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.radio-container label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    margin: 0;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    min-width: 70px;
}

.radio-container input[type="radio"] {
    display: none;
}

.radio-container label:hover {
    background: var(--primary-light);
    color: white;
}

.radio-container input[type="radio"]:checked + label {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.radio-container input[type="radio"]:checked + label:hover {
    background: var(--primary-hover-color);
}

/* Responsive radio container */
@media (max-width: 767px) {
    .radio-container {
        display: flex;
        width: 100%;
    }

    .radio-container label {
        flex: 1;
        min-width: unset;
        padding: 0.5rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* Filter Inputs */
.filter-input,
.filter-select {
    padding: 0.75rem;
    margin: var(--spacing-sm) 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    width: 100%;
    font-size: 1rem;
    background-color: var(--surface-color);
    color: var(--text-color);
    transition: all var(--transition-fast);
}

.filter-input:focus,
.filter-select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.filters-container {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .filters-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
    position: relative;
    transition: all var(--transition-base);
}

.table-container.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--background-color);
    z-index: var(--z-modal);
    padding: var(--spacing-lg);
    overflow-y: auto;
    animation: fadeIn var(--transition-fast);
}

body.dark-mode .table-container.fullscreen {
    background-color: var(--dark-background-color);
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-color);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    table {
        font-size: 1rem;
    }
}

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

@media (min-width: 768px) {
    th,
    td {
        padding: 1rem;
    }
}

th {
    background-color: #495057;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

@media (min-width: 768px) {
    th {
        font-size: 0.875rem;
    }
}

tr {
    transition: background-color var(--transition-fast);
}

tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.02);
}

tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* Table Status Classes */
.high-risk,
.high-detection {
    background-color: #dc3545 !important;
    color: white !important;
    font-weight: 600;
}

.clean-detection {
    background-color: #28a745 !important;
    color: white !important;
    font-weight: 600;
}

.warning-row {
    background-color: #ffc107 !important;
    color: #000 !important;
    font-weight: 600;
}

.high-risk:hover,
.high-detection:hover {
    background-color: rgba(220, 53, 69, 0.85) !important;
    color: white !important;
}

.clean-detection:hover {
    background-color: rgba(40, 167, 69, 0.85) !important;
    color: white !important;
}

.warning-row:hover {
    background-color: rgba(255, 193, 7, 0.85) !important;
    color: #000 !important;
}

/* Dark mode colored row adjustments for better contrast */
body.dark-mode .high-risk,
body.dark-mode .high-detection {
    background-color: #c82333 !important;
    color: #ffffff !important;
}

body.dark-mode .clean-detection {
    background-color: #218838 !important;
    color: #ffffff !important;
}

body.dark-mode .warning-row {
    background-color: #e0a800 !important;
    color: #000000 !important;
}

body.dark-mode .high-risk:hover,
body.dark-mode .high-detection:hover {
    background-color: #bd2130 !important;
    color: #ffffff !important;
}

body.dark-mode .clean-detection:hover {
    background-color: #1e7e34 !important;
    color: #ffffff !important;
}

body.dark-mode .warning-row:hover {
    background-color: #d39e00 !important;
    color: #000000 !important;
}

/* Ensure text in colored row cells is readable in dark mode */
body.dark-mode .high-risk td,
body.dark-mode .high-detection td {
    color: #ffffff !important;
}

body.dark-mode .clean-detection td {
    color: #ffffff !important;
}

body.dark-mode .warning-row td {
    color: #000000 !important;
    font-weight: 600;
}

body.dark-mode .high-risk:hover td,
body.dark-mode .high-detection:hover td,
body.dark-mode .clean-detection:hover td {
    color: #ffffff !important;
}

body.dark-mode .warning-row:hover td {
    color: #000000 !important;
}

/* Colored cards in dark mode - ensure all text elements are readable */
body.dark-mode .high-risk.card,
body.dark-mode .high-detection.card {
    background-color: #c82333 !important;
    color: #ffffff !important;
}

body.dark-mode .clean-detection.card {
    background-color: #218838 !important;
    color: #ffffff !important;
}

body.dark-mode .warning-row.card {
    background-color: #e0a800 !important;
    color: #000000 !important;
}

/* Card text elements in colored cards */
body.dark-mode .high-risk.card h3,
body.dark-mode .high-risk.card p,
body.dark-mode .high-risk.card strong,
body.dark-mode .high-detection.card h3,
body.dark-mode .high-detection.card p,
body.dark-mode .high-detection.card strong {
    color: #ffffff !important;
}

body.dark-mode .clean-detection.card h3,
body.dark-mode .clean-detection.card p,
body.dark-mode .clean-detection.card strong {
    color: #ffffff !important;
}

body.dark-mode .warning-row.card h3,
body.dark-mode .warning-row.card p,
body.dark-mode .warning-row.card strong {
    color: #000000 !important;
    font-weight: 600;
}

/* Ensure ALL content in colored cards is readable - comprehensive coverage */
body.dark-mode .high-risk.card *,
body.dark-mode .high-detection.card *,
body.dark-mode .clean-detection.card * {
    color: #ffffff !important;
}

body.dark-mode .warning-row.card * {
    color: #000000 !important;
}

/* Tables inside colored cards */
body.dark-mode .high-risk.card table,
body.dark-mode .high-detection.card table,
body.dark-mode .clean-detection.card table {
    color: #ffffff !important;
}

body.dark-mode .warning-row.card table {
    color: #000000 !important;
}

/* Links inside colored cards - maintain link styling */
body.dark-mode .high-risk.card a,
body.dark-mode .high-detection.card a,
body.dark-mode .clean-detection.card a {
    color: #66d9ff !important;  /* Light blue for visibility on dark backgrounds */
    text-decoration: underline;
}

body.dark-mode .high-risk.card a:hover,
body.dark-mode .high-detection.card a:hover,
body.dark-mode .clean-detection.card a:hover {
    color: #99e6ff !important;  /* Lighter blue on hover */
}

body.dark-mode .warning-row.card a {
    color: #0056b3 !important;  /* Dark blue for visibility on yellow */
    text-decoration: underline;
    font-weight: 600;
}

body.dark-mode .warning-row.card a:hover {
    color: #003d82 !important;  /* Darker blue on hover */
}

/* Value indicators */
.good-value {
    color: var(--success-color);
    font-weight: 600;
}

.bad-value {
    color: var(--danger-color);
    font-weight: 600;
}

.neutral-value {
    color: var(--text-secondary);
}

/* Expandable row styles */
.row-toggle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.row-toggle:hover {
    color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.05) !important;
}

.toggle-icon {
    display: inline-block;
    transition: transform var(--transition-fast);
    font-weight: bold;
}

.expanded-row {
    background-color: var(--background-color) !important;
}

.expanded-row td {
    padding: 0 !important;
    max-width: 100%;
    overflow: visible;
}

.expanded-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 100%;
    width: 100%;
}

@media (min-width: 768px) {
    .expanded-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .expanded-content {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1400px) {
    .expanded-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.expanded-item {
    background-color: var(--surface-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-width: 0;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    contain: layout;
}

.expanded-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
    flex-shrink: 0;
}

.expanded-value {
    color: var(--text-color);
    word-wrap: break-word;
    overflow-x: auto;
    max-width: 100%;
    display: block;
    width: 100%;
    flex: 1;
    min-height: 0;
}

.expanded-value table {
    font-size: 0.9rem;
    width: 100%;
    table-layout: auto;
    min-width: 0;
    border-collapse: collapse;
    margin: 0.75rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

body.dark-mode .expanded-value table {
    border-color: var(--dark-border-color);
}

.expanded-value table td,
.expanded-value table th {
    padding: 0.75rem 1rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    vertical-align: top;
    line-height: 1.6;
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .expanded-value table td,
body.dark-mode .expanded-value table th {
    border-bottom-color: var(--dark-border-color);
}

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

.expanded-value table th {
    font-size: 0.9rem;
    font-weight: 700;
    background-color: var(--surface-color);
    text-align: left;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

body.dark-mode .expanded-value table th {
    background-color: var(--dark-surface-color);
    color: var(--dark-text-secondary);
    border-bottom-color: var(--dark-border-color);
}

/* Consistent table styling for all nested tables (Google DNS, etc.) */
/* Override any parent row colors with a neutral, always-readable scheme */
.expanded-value table {
    background-color: #ffffff !important;
    border-color: #dee2e6 !important;
}

.expanded-value table th {
    background-color: #495057 !important;
    color: #ffffff !important;
    border-bottom-color: #dee2e6 !important;
}

.expanded-value table td {
    background-color: #ffffff !important;
    color: #212529 !important;
    border-bottom-color: #dee2e6 !important;
}

/* Dark mode for nested tables - Enhanced contrast */
body.dark-mode .expanded-value table {
    background-color: #1a252f !important;
    border-color: #3d5a80 !important;
}

body.dark-mode .expanded-value table th {
    background-color: #2d4263 !important;
    color: #ffffff !important;
    border-bottom-color: #3d5a80 !important;
    font-weight: 700 !important;
}

body.dark-mode .expanded-value table td {
    background-color: #243447 !important;
    color: #f0f4f8 !important;
    border-bottom-color: #3d5a80 !important;
}

/* Force table styling even inside colored rows */
.warning-row .expanded-value table,
.high-risk .expanded-value table,
.high-detection .expanded-value table,
.clean-detection .expanded-value table {
    background-color: #ffffff !important;
    border-color: #dee2e6 !important;
}

.warning-row .expanded-value table th,
.high-risk .expanded-value table th,
.high-detection .expanded-value table th,
.clean-detection .expanded-value table th {
    background-color: #495057 !important;
    color: #ffffff !important;
    border-bottom-color: #dee2e6 !important;
}

.warning-row .expanded-value table td,
.high-risk .expanded-value table td,
.high-detection .expanded-value table td,
.clean-detection .expanded-value table td {
    background-color: #ffffff !important;
    color: #212529 !important;
    border-bottom-color: #dee2e6 !important;
}

/* Dark mode overrides for colored rows - Enhanced contrast */
body.dark-mode .warning-row .expanded-value table,
body.dark-mode .high-risk .expanded-value table,
body.dark-mode .high-detection .expanded-value table,
body.dark-mode .clean-detection .expanded-value table {
    background-color: #1a252f !important;
    border-color: #3d5a80 !important;
}

body.dark-mode .warning-row .expanded-value table th,
body.dark-mode .high-risk .expanded-value table th,
body.dark-mode .high-detection .expanded-value table th,
body.dark-mode .clean-detection .expanded-value table th {
    background-color: #2d4263 !important;
    color: #ffffff !important;
    border-bottom-color: #3d5a80 !important;
    font-weight: 700 !important;
}

body.dark-mode .warning-row .expanded-value table td,
body.dark-mode .high-risk .expanded-value table td,
body.dark-mode .high-detection .expanded-value table td,
body.dark-mode .clean-detection .expanded-value table td {
    background-color: #243447 !important;
    color: #f0f4f8 !important;
    border-bottom-color: #3d5a80 !important;
}

/* Nested tables in main table cells (Google DNS, etc.) */
td table {
    background-color: #ffffff !important;
    border-color: #dee2e6 !important;
    font-size: 0.875rem !important;
}

td table th {
    background-color: #495057 !important;
    color: #ffffff !important;
    border-bottom-color: #dee2e6 !important;
}

td table td {
    background-color: #ffffff !important;
    color: #212529 !important;
    border-bottom-color: #dee2e6 !important;
}

/* Dark mode for nested tables in main table cells - Enhanced contrast */
body.dark-mode td table {
    background-color: #1a252f !important;
    border-color: #3d5a80 !important;
}

body.dark-mode td table th {
    background-color: #2d4263 !important;
    color: #ffffff !important;
    border-bottom-color: #3d5a80 !important;
    font-weight: 700 !important;
}

body.dark-mode td table td {
    background-color: #243447 !important;
    color: #f0f4f8 !important;
    border-bottom-color: #3d5a80 !important;
}

/* Ensure all content within expanded-value stays contained */
.expanded-value table,
.expanded-value table * {
    box-sizing: border-box;
}

/* Prevent any absolute positioning or floating */
.expanded-value * {
    position: static !important;
    float: none !important;
}

/* Dark mode for expanded rows */
body.dark-mode .expanded-row {
    background-color: var(--dark-background-color) !important;
}

body.dark-mode .expanded-item {
    background-color: var(--dark-surface-color);
    border-color: var(--dark-border-color);
}

body.dark-mode .expanded-label {
    color: var(--dark-text-secondary);
}

body.dark-mode .expanded-value {
    color: var(--dark-text-color);
}

body.dark-mode .row-toggle:hover {
    color: var(--primary-light);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.card h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.card p {
    margin: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.card table {
    font-size: 0.875rem;
    width: 100%;
    table-layout: fixed;
}

.card table td,
.card table th {
    padding: 0.5rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.cards-container {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .cards-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

.cards-results-container {
    display: grid;
    gap: var(--spacing-lg);
    width: 100%;
    margin-bottom: var(--spacing-xl);
    grid-template-columns: 1fr;
    align-items: start;
}

@media (min-width: 768px) {
    .cards-results-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cards-results-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   NAVIGATION & FOOTER
   ============================================ */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: 0 -2px 10px var(--shadow-color);
    z-index: var(--z-fixed);
}

.footer nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

@media (min-width: 768px) {
    .footer nav ul {
        gap: var(--spacing-md);
    }
}

.footer nav ul li {
    display: inline;
}

.footer nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

@media (min-width: 768px) {
    .footer nav ul li a {
        font-size: 0.9375rem;
    }
}

.footer nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

.end-of-page-padding {
    padding-bottom: calc(var(--spacing-md) + 50px);
}

/* ============================================
   DARK MODE TOGGLE
   ============================================ */
.dark-mode-toggle {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-sticky);
}

.dark-mode-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-xl);
}

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

/* GitHub Logo */
.github-logo {
    position: fixed;
    top: var(--spacing-md);
    right: calc(var(--spacing-md) + 60px);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.github-logo:hover {
    transform: scale(1.1);
    background-color: rgba(0, 0, 0, 0.05);
}

.github-logo-light {
    display: block;
}

.github-logo-dark {
    display: none;
}

/* ============================================
   GRAPH VISUALIZATION
   ============================================ */
#network {
    width: 100%;
    height: calc(100vh - 250px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--surface-color);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    #network {
        height: calc(100vh - 210px);
    }
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.upgrade-notification {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid #f5c6cb;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.close-upgrade-notification {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-md);
    cursor: pointer;
    font-weight: bold;
    font-size: 1.25rem;
    line-height: 1;
    color: #721c24;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.close-upgrade-notification:hover {
    opacity: 1;
}

/* ============================================
   LOADING STATES & ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.fade-in {
    animation: fadeIn var(--transition-base) ease-in-out;
}

/* ============================================
   DARK MODE STYLES
   ============================================ */
body.dark-mode {
    background-color: var(--dark-background-color);
    color: var(--dark-text-color);
}

body.dark-mode .card,
body.dark-mode textarea,
body.dark-mode input[type="text"],
body.dark-mode input[type="email"],
body.dark-mode input[type="password"],
body.dark-mode input[type="search"],
body.dark-mode .radio-container,
body.dark-mode .filter-input,
body.dark-mode .filter-select,
body.dark-mode table {
    background-color: var(--dark-surface-color);
    border-color: var(--dark-border-color);
    color: var(--dark-text-color);
}

/* Enhanced table headers in dark mode */
body.dark-mode th {
    background-color: #2d4263;
    color: #ffffff;
    font-weight: 700;
}

/* Enhanced table cell contrast in dark mode */
body.dark-mode td {
    color: #f0f4f8;
}

/* Alternating row backgrounds in dark mode */
body.dark-mode tbody tr {
    background-color: #243447;
}

body.dark-mode tbody tr:nth-child(even) {
    background-color: #1e3042;
}

/* Hover state for dark mode - works properly with row backgrounds */
body.dark-mode tbody tr:hover {
    background-color: #2e5077 !important;
}

body.dark-mode tbody tr:hover td {
    background-color: transparent !important;
}

body.dark-mode .filter-input:focus,
body.dark-mode .filter-select:focus,
body.dark-mode textarea:focus,
body.dark-mode input[type="text"]:focus,
body.dark-mode input[type="email"]:focus,
body.dark-mode input[type="password"]:focus,
body.dark-mode input[type="search"]:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(77, 163, 255, 0.2);
}

body.dark-mode #network {
    border-color: var(--dark-border-color);
    background-color: var(--dark-surface-color);
}

body.dark-mode .github-logo-light {
    display: none;
}

body.dark-mode .github-logo-dark {
    display: block;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: var(--dark-text-color);
}

body.dark-mode .card p {
    color: var(--dark-text-secondary);
}

body.dark-mode .github-logo:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Kbd styling */
kbd {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.875em;
}

body.dark-mode kbd {
    background: var(--dark-surface-color);
    border-color: var(--dark-border-color);
    color: var(--dark-text-color);
}

/* History Page Enhancements */
.search-highlight {
    background-color: #ffeb3b;
    color: #000;
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

body.dark-mode .search-highlight {
    background-color: #ffd54f;
    color: #000;
}

/* Badge styling improvements for dark mode */
body.dark-mode .table-wrapper {
    border-color: var(--dark-border-color);
}

#historyTable tbody tr {
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

#historyTable tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
    transform: translateX(4px);
}

body.dark-mode #historyTable tbody tr:hover {
    background-color: #2e5077 !important;
    transform: translateX(4px);
}

body.dark-mode #historyTable tbody tr:hover td {
    background-color: transparent !important;
}

/* Ensure cells transition smoothly with the row */
body.dark-mode #historyTable tbody tr td {
    transition: background-color var(--transition-fast);
    background-color: transparent;
}

/* Reset cell backgrounds on normal state to use row color */
body.dark-mode #historyTable tbody tr:nth-child(odd) td {
    background-color: transparent;
}

body.dark-mode #historyTable tbody tr:nth-child(even) td {
    background-color: transparent;
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: var(--z-tooltip);
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================
   MODERN BUTTON GROUPS & DROPDOWNS
   ============================================ */
.button-group {
    display: inline-flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    align-items: center;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon svg,
.btn-icon img {
    width: 1.125rem;
    height: 1.125rem;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

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

.btn-success:hover {
    background-color: #218838;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

body.dark-mode .btn-outline {
    color: var(--primary-light);
    border-color: var(--primary-light);
}

body.dark-mode .btn-outline:hover {
    background-color: var(--primary-light);
    color: var(--dark-background-color);
}

/* ============================================
   ENGINE SELECTION CARDS
   ============================================ */
.engines-grid {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
}

@media (max-width: 767px) {
    .engines-grid {
        grid-template-columns: 1fr;
    }
}

.engine-card {
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    min-height: 70px;
}

.engine-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.engine-card.selected {
    border-color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.05);
}

.engine-card input[type="checkbox"] {
    margin: 0;
}

.engine-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.engine-info {
    flex: 1;
}

.engine-info h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.engine-info p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

body.dark-mode .engine-card {
    background-color: var(--dark-surface-color);
    border-color: var(--dark-border-color);
}

body.dark-mode .engine-card.selected {
    background-color: rgba(77, 163, 255, 0.1);
}

body.dark-mode .engine-info h4 {
    color: var(--dark-text-color);
}

body.dark-mode .engine-info p {
    color: var(--dark-text-secondary);
}

/* Filter chips/tabs */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: var(--spacing-sm) 0 var(--spacing-md) 0;
}

.filter-tab {
    padding: 0.375rem 0.75rem;
    background-color: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.8125rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.05);
}

.filter-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

body.dark-mode .filter-tab {
    background-color: var(--dark-surface-color);
    border-color: var(--dark-border-color);
    color: var(--dark-text-color);
}

body.dark-mode .filter-tab:hover {
    border-color: var(--primary-light);
    background-color: rgba(77, 163, 255, 0.1);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background-color: var(--success-color);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-base);
    z-index: var(--z-tooltip);
    font-weight: 500;
    max-width: 300px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.error {
    background-color: var(--danger-color);
}

@media (max-width: 767px) {
    .toast {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: calc(100% - var(--spacing-xl));
    }
}

/* ============================================
   CONFIG PAGE SPECIFIC STYLES
   ============================================ */
/* Use monospace font for API keys and configuration values */
.secrets_value,
.enabled_engines_value {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace !important;
    font-size: 0.9rem !important;
}

/* Ensure password inputs are readable in dark mode - keep light text for readonly */
body.dark-mode .secrets_value[readonly],
body.dark-mode .enabled_engines_value[readonly] {
    color: var(--dark-text-color) !important;
}

/* When editing in dark mode, use white background with black text for better readability */
body.dark-mode input.secrets_value:not([readonly]),
body.dark-mode input.enabled_engines_value:not([readonly]) {
    background-color: #ffffff !important;
    color: #212529 !important;
    border-color: var(--dark-border-color) !important;
}

/* Table cell labels in dark mode */
body.dark-mode .secrets_key {
    color: var(--dark-text-color);
}

/* Config table styling improvements */
.table-wrapper table td {
    vertical-align: middle;
}

/* Button spacing in config page */
.table-wrapper table td .btn {
    margin: 0.25rem;
}

/* Responsive button text for config page */
@media (max-width: 991px) {
    .table-wrapper table td .btn span:last-child {
        display: none;
    }

    .table-wrapper table td .btn {
        padding: 0.5rem 0.75rem;
    }
}

/* Ensure buttons are properly styled in dark mode */
body.dark-mode .btn-outline {
    background-color: transparent;
    border-color: var(--primary-light);
    color: var(--primary-light);
}

body.dark-mode .btn-outline:hover {
    background-color: var(--primary-light);
    color: var(--dark-background-color);
}

body.dark-mode .btn-secondary {
    background-color: #5a6268;
    color: white;
    border-color: #5a6268;
}

body.dark-mode .btn-secondary:hover {
    background-color: #4e555b;
    border-color: #4e555b;
}

body.dark-mode .btn-success {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

body.dark-mode .btn-success:hover {
    background-color: #218838;
    border-color: #218838;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* ============================================
   TABLE ENHANCEMENTS
   ============================================ */

/* Quick copy button in observable cells */
.observable-cell-content {
    display: inline;
}

.copy-btn {
    margin-left: 0.5rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    background-color: rgba(0, 123, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    vertical-align: middle;
}

.copy-btn:hover {
    background-color: rgba(0, 123, 255, 0.2);
    transform: scale(1.1);
}

.copy-btn:active {
    transform: scale(0.95);
}

body.dark-mode .copy-btn {
    background-color: rgba(77, 163, 255, 0.15);
    border-color: var(--dark-border-color);
}

body.dark-mode .copy-btn:hover {
    background-color: rgba(77, 163, 255, 0.25);
}

/* Copy toast notification */
.copy-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--success-color);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 500;
    opacity: 0;
    transform: translateY(1rem);
    transition: all var(--transition-base);
    z-index: 10000;
}

.copy-toast.show {
    opacity: 1;
    transform: translateY(0);
}

.copy-toast-error {
    background-color: var(--danger-color);
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
}

.pagination-buttons {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination-btn:active:not(.disabled):not(.active) {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
    cursor: default;
}

.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: var(--surface-color);
}

.pagination-ellipsis {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Dark mode pagination */
body.dark-mode .pagination-btn {
    background: var(--dark-surface-color);
    border-color: var(--dark-border-color);
    color: var(--dark-text-color);
}

body.dark-mode .pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

body.dark-mode .pagination-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

body.dark-mode .pagination-btn.disabled {
    background: var(--dark-surface-color);
}

body.dark-mode .pagination-ellipsis {
    color: var(--dark-text-secondary);
}

/* Mobile pagination */
@media (max-width: 767px) {
    .pagination-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .pagination-buttons {
        gap: var(--spacing-2xs);
    }

    .pagination-btn {
        min-width: 36px;
        height: 36px;
        padding: var(--spacing-2xs) var(--spacing-xs);
        font-size: 0.8125rem;
    }

    .pagination-ellipsis {
        min-width: 36px;
        height: 36px;
    }
}

/* ============================================
   RESPONSIVE BREAKPOINTS SUMMARY
   - Mobile: < 768px (base styles)
   - Tablet: 768px - 1023px
   - Desktop: 1024px+
   - Large Desktop: 1440px+
   ============================================ */