:root {
    /* Digital Grid Neon Theme */

    /* Backgrounds */
    --bg-dark-primary: #0A0F1E; /* Very Dark Desaturated Blue */
    --bg-dark-primary-rgb: 10, 15, 30;
    --bg-dark-surface: #101830; /* Slightly Lighter Dark Blue for surfaces */
    --bg-dark-surface-rgb: 16, 24, 48;
    --bg-dark-input: #080C18; 
    --bg-dark-input-rgb: 8, 12, 24;
    --bg-dark-hover: #1A244A; /* Slightly lighter for hover states */

    /* Neon Accents */
    --neon-primary: #00D1FF; /* Electric Cyan/Blue */
    --neon-primary-rgb: 0, 209, 255;
    --neon-secondary: #F026A8; /* Vibrant Magenta/Pink */
    --neon-secondary-rgb: 240, 38, 168;
    
    /* Status Neons */
    --neon-success: #00FF84; /* Bright Neon Green */
    --neon-success-rgb: 0, 255, 132;
    --neon-warning: #FFF000; /* Bright Neon Yellow */
    --neon-warning-rgb: 255, 240, 0;
    --neon-error: #FF3B3B; /* Bright Neon Red */
    --neon-error-rgb: 255, 59, 59;

    /* Text Colors */
    --text-primary: #E0E0E0; /* Light Gray */
    --text-primary-rgb: 224, 224, 224;
    --text-secondary: #B0B0C0; /* Medium-Light Gray/Blueish */
    --text-secondary-rgb: 176, 176, 192;
    --text-muted: #7A89A7; /* Muted Gray/Blue */
    --text-muted-rgb: 122, 137, 167;
    --text-neon-headings: var(--neon-primary); /* Primary neon for headings */
    --text-neon-headings-rgb: var(--neon-primary-rgb);
    --text-on-neon-bg: var(--bg-dark-primary); /* Dark text for contrast on neon backgrounds */
    --text-on-neon-bg-rgb: var(--bg-dark-primary-rgb);

    /* Borders */
    --border-neon-primary: var(--neon-primary);
    --border-neon-primary-rgb: var(--neon-primary-rgb);
    --border-neon-secondary: var(--neon-secondary);
    --border-neon-secondary-rgb: var(--neon-secondary-rgb);
    --border-neon-dim: rgba(var(--neon-primary-rgb), 0.3); /* Dimmed primary neon for subtle borders */
    --border-input: rgba(var(--neon-primary-rgb), 0.4);
    --border-input-focus: var(--neon-secondary);

    /* Focus & Interactive Elements */
    --focus-ring-color: var(--neon-secondary);
    --interactive-glow-primary: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
    --interactive-glow-secondary: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary);

    /* Scrollbar */
    --scrollbar-thumb-bg: var(--neon-primary);
    --scrollbar-thumb-hover-bg: var(--neon-secondary);
    --scrollbar-track-bg: var(--bg-dark-input);
    --scrollbar-corner-bg: var(--bg-dark-input);

    /* Shadows (subtle neon glows) */
    --shadow-depth-1: 0 2px 5px rgba(var(--neon-primary-rgb), 0.1), 0 0 3px rgba(var(--neon-primary-rgb), 0.2);
    --shadow-depth-2: 0 4px 10px rgba(var(--neon-primary-rgb), 0.15), 0 0 8px rgba(var(--neon-primary-rgb), 0.25);
    --shadow-highlight-primary: 0 0 8px rgba(var(--neon-primary-rgb), 0.5), 0 0 15px rgba(var(--neon-primary-rgb), 0.3);
    --shadow-highlight-secondary: 0 0 8px rgba(var(--neon-secondary-rgb), 0.5), 0 0 15px rgba(var(--neon-secondary-rgb), 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease-out;
    --transition-default: 0.3s ease-out;

    /* Typography */
    --font-primary: 'Rajdhani', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    --font-size-base: 18px; /* Increased from 16px */
    --line-height-base: 1.6;

    /* Spacing */
    --space-xs: 0.25rem;  /* 4px */
    --space-sm: 0.5rem;   /* 8px */
    --space-md: 1rem;     /* 16px */
    --space-lg: 1.5rem;   /* 24px */
    --space-xl: 2rem;     /* 32px */
    --space-xxl: 3rem;    /* 48px */
}

/* --- Global Resets & Base Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-dark-primary);
    color: var(--text-primary);
    line-height: var(--line-height-base);
    min-height: 100%;
    display: flex;
    flex-direction: column;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

#root {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track-bg);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb-bg);
    border-radius: 5px;
    border: 1px solid var(--bg-dark-input);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover-bg);
}
::-webkit-scrollbar-corner {
    background: var(--scrollbar-corner-bg);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary); /* Rajdhani is more display-like */
    color: var(--text-neon-headings);
    line-height: 1.3;
    margin-bottom: var(--space-md);
    text-shadow: 0 0 3px rgba(var(--neon-primary-rgb), 0.5);
}
h1 { font-size: 2.25rem; font-weight: 700; } /* 36px */
h2 { font-size: 1.75rem; font-weight: 600; } /* 28px */
h3 { font-size: 1.375rem; font-weight: 500; } /* 22px */
h4 { font-size: 1.125rem; font-weight: 500; color: var(--text-secondary)} /* 18px */

p {
    margin-bottom: var(--space-md);
    font-size: 1rem;
    color: var(--text-primary);
}

a {
    color: var(--neon-primary);
    text-decoration: none;
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}
a:hover, a:focus {
    color: var(--neon-secondary);
    text-decoration: none; /* Keep consistent */
    text-shadow: var(--interactive-glow-secondary);
}

code, pre {
    font-family: var(--font-mono);
    background-color: rgba(var(--bg-dark-input-rgb), 0.7);
    border: 1px solid var(--border-neon-dim);
    border-radius: 4px;
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.9em;
    color: var(--text-secondary);
}
pre {
    padding: var(--space-md);
    overflow-x: auto;
    white-space: pre-wrap; /* Allow wrapping */
    word-wrap: break-word; /* Break long words */
}
pre code {
    padding: 0;
    border: none;
    background: none;
}

ul, ol {
    list-style-position: outside;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}
li {
    margin-bottom: var(--space-sm);
}
ul li::marker {
    color: var(--neon-primary);
}
ol li::marker {
    color: var(--neon-secondary);
}


/* --- App Layout --- */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh; /* Changed from min-height to height */
}

.app-header {
    background-color: var(--bg-dark-surface);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md); /* Reduced padding */
    display: flex;
    align-items: center;
    justify-content: space-between; 
    border-bottom: 2px solid var(--neon-primary);
    box-shadow: 0 2px 10px rgba(var(--neon-primary-rgb), 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    flex-shrink: 0; 
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-icon { 
    height: 28px; /* Reduced size */
    width: 28px; /* Reduced size */
    margin-right: var(--space-sm);
    color: var(--neon-primary);
    filter: drop-shadow(0 0 3px rgba(var(--neon-primary-rgb), 0.7));
    transition: filter var(--transition-default);
}
.logo-container:hover .logo-icon, .logo-container:focus .logo-icon {
    filter: drop-shadow(var(--shadow-highlight-secondary));
}

.app-title { 
    font-size: 1.35rem; /* Reduced size */
    font-weight: 700;
    color: var(--neon-primary);
    margin: 0;
    text-shadow: 0 0 5px rgba(var(--neon-primary-rgb),0.7);
    transition: color var(--transition-default), text-shadow var(--transition-default);
}
.logo-container:hover .app-title, .logo-container:focus .app-title {
    color: var(--neon-secondary);
    text-shadow: var(--shadow-highlight-secondary);
}


.app-body {
    display: flex;
    flex-grow: 1;
    position: relative; 
    overflow: hidden; 
}

.app-nav { 
    width: 280px;
    background-color: var(--bg-dark-surface);
    padding: var(--space-lg) 0;
    border-right: 1px solid var(--border-neon-dim);
    overflow-y: auto;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    box-shadow: 2px 0 10px rgba(var(--neon-primary-rgb), 0.1);
    flex-shrink: 0; 
}
.app-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.app-nav li a, 
.app-nav li button.nav-category-button {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-lg); 
    color: var(--text-secondary);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), border-left-color var(--transition-fast);
    border-left: 3px solid transparent;
    font-size: 0.95rem; 
    font-weight: 500;
    width: 100%; 
    background: none; 
    border-right: none; 
    border-top: none; 
    border-bottom: none; 
    text-align: left; 
    cursor: pointer; 
    min-height: 44px; 
}

.app-nav li a:hover, .app-nav li button.nav-category-button:hover,
.app-nav li a:focus, .app-nav li button.nav-category-button:focus {
    background-color: var(--bg-dark-hover);
    color: var(--neon-primary);
    border-left-color: var(--neon-primary);
    box-shadow: inset 3px 0 5px rgba(var(--neon-primary-rgb), 0.2);
    transform: translateX(2px);
}

.app-nav li button.nav-category-button[aria-expanded="true"] {
    background-color: rgba(var(--neon-secondary-rgb), 0.08); 
    color: var(--neon-secondary); 
    border-left-color: var(--neon-secondary); 
    font-weight: 600; 
    box-shadow: inset 3px 0 6px rgba(var(--neon-secondary-rgb), 0.2);
}
.app-nav li button.nav-category-button[aria-expanded="true"] .nav-chevron {
    color: var(--neon-secondary); 
}
.app-nav li button.nav-category-button[aria-expanded="true"]:hover,
.app-nav li button.nav-category-button[aria-expanded="true"]:focus {
    background-color: rgba(var(--neon-secondary-rgb), 0.12); 
    color: var(--neon-secondary);
    border-left-color: var(--neon-secondary);
    box-shadow: inset 3px 0 8px rgba(var(--neon-secondary-rgb), 0.25);
}


.app-nav li.active > a { 
    background-color: rgba(var(--neon-secondary-rgb), 0.15);
    color: var(--neon-secondary);
    border-left-color: var(--neon-secondary);
    font-weight: 600;
    box-shadow: inset 3px 0 8px rgba(var(--neon-secondary-rgb), 0.3);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: var(--space-md);
    color: currentColor; 
    opacity: 0.8;
    flex-shrink: 0;
}
.app-nav li.active > a .nav-icon,
.app-nav li button.nav-category-button[aria-expanded="true"] .nav-icon {
    opacity: 1;
    filter: drop-shadow(0 0 2px currentColor);
}
.app-nav li a:hover .nav-icon, 
.app-nav li button.nav-category-button:hover .nav-icon {
    opacity: 1;
}

.nav-label { 
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-chevron {
    margin-left: auto;
    transition: transform var(--transition-default);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    transform: rotate(0deg); 
}
.nav-chevron.expanded {
    transform: rotate(180deg); 
}


.nav-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow: hidden;
    padding-top: var(--space-xs);
    padding-bottom: var(--space-sm);
    background-color: rgba(var(--bg-dark-primary-rgb), 0.1); 
    border-left: 3px solid rgba(var(--neon-secondary-rgb), 0.3); 
    margin-left: var(--space-sm); 
}
.nav-submenu li a {
    padding-left: calc(var(--space-lg) + var(--space-sm)); 
    font-size: 0.9rem;
    color: var(--text-muted);
    border-left-width: 0; 
}
.nav-submenu li a:hover,
.nav-submenu li a:focus {
    color: var(--neon-primary);
    background-color: var(--bg-dark-hover); 
}
.nav-submenu li.active > a { 
    color: var(--neon-secondary);
    background-color: rgba(var(--neon-secondary-rgb), 0.1);
    font-weight: 500; 
}


.nav-close-button-mobile {
    display: none; 
    background-color: var(--bg-dark-hover);
    color: var(--neon-primary);
    padding: var(--space-sm) var(--space-lg);
    margin: var(--space-md) var(--space-sm) var(--space-md) var(--space-sm); 
    border-radius: 4px;
    font-size: 1rem;
    border: 1px solid var(--border-neon-primary); 
    text-align: center;
    font-weight: 600;
}
.nav-close-button-mobile .svg-icon {
    margin-right: var(--space-sm);
}
.nav-close-button-mobile:hover {
    background-color: var(--neon-primary);
    color: var(--bg-dark-primary);
}

.content-section {
    flex-grow: 1;
    padding: var(--space-lg) var(--space-xl);
    overflow-y: auto;
}

.tool-header { 
    display: flex;
    align-items: center; 
    margin-bottom: var(--space-md); 
    padding: var(--space-lg);
    border: 1px solid var(--border-neon-dim);
    background-color: rgba(var(--bg-dark-surface-rgb), 0.4);
    border-radius: 8px;
    box-shadow: var(--shadow-depth-1);
}
.tool-title-icon { 
    width: 36px;
    height: 36px;
    margin-right: var(--space-lg);
    color: var(--neon-primary);
    filter: drop-shadow(0 0 5px currentColor);
    flex-shrink: 0;
}
.tool-title-main { 
    font-size: 1.8rem;
    color: var(--neon-primary);
    margin-bottom: 0; 
    padding-bottom: 0; 
    border-bottom: none; 
    text-shadow: 0 0 5px rgba(var(--neon-primary-rgb), 0.6);
}
.tool-description-main { 
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: calc(-1 * var(--space-sm)); 
    margin-bottom: var(--space-xl);
    line-height: 1.5;
    padding: 0 var(--space-sm); 
}


.app-footer {
    background-color: var(--bg-dark-surface);
    color: var(--text-muted);
    padding: 2px var(--space-md); /* Reduced padding */
    text-align: center;
    border-top: 1px solid var(--border-neon-dim);
    font-size: 0.7rem; /* Reduced font size */
    box-shadow: 0 -2px 10px rgba(var(--neon-primary-rgb), 0.1);
    flex-shrink: 0; 
    position: sticky; /* For auto-hide behavior */
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 900;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}
.app-footer p {
    margin-bottom: 1px; /* Reduced margin */
}
.app-footer a {
    color: var(--text-secondary);
}
.app-footer a:hover {
    color: var(--neon-primary);
}
.app-footer.hidden {
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
}
.app-footer.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}


/* --- General Form Elements --- */
.form-main-compact { 
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    max-width: 768px; 
    margin-left: auto;
    margin-right: auto;
}

.form-group {
    margin-bottom: var(--space-md); 
}

label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="url"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="file"],
textarea,
select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-dark-input);
    border: 1px solid var(--border-input);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem; 
    min-height: 44px; 
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}
textarea {
    max-height: 250px; /* Limit height of textareas */
    resize: vertical; /* Allow vertical resize by user */
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--border-input-focus);
    box-shadow: 0 0 8px rgba(var(--neon-secondary-rgb), 0.5), inset 0 1px 3px rgba(0,0,0,0.2);
}
input[type="file"] {
    padding: var(--space-xs); 
}
input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}
input:disabled, textarea:disabled, select:disabled, button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: rgba(var(--bg-dark-input-rgb), 0.5);
}
input:disabled:hover, textarea:disabled:hover, select:disabled:hover, button:disabled:hover {
    box-shadow: none; 
}

.btn, button { 
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--neon-primary);
    color: var(--bg-dark-primary); 
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
    box-shadow: 0 2px 5px rgba(var(--neon-primary-rgb), 0.3);
    min-width: 120px;
    min-height: 44px; 
    text-decoration: none; 
}
.btn:hover, button:hover {
    background-color: var(--neon-secondary);
    color: var(--bg-dark-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(var(--neon-secondary-rgb), 0.4);
}
.btn:focus, button:focus {
    outline: 2px solid var(--focus-ring-color);
    outline-offset: 2px;
}
.btn:active, button:active {
    transform: translateY(0px);
    box-shadow: 0 2px 4px rgba(var(--neon-primary-rgb), 0.2);
}
.btn-icon {
    width: 18px;
    height: 18px;
    margin-right: var(--space-sm);
}
.btn-secondary {
    background-color: var(--bg-dark-surface);
    color: var(--neon-primary);
    border: 1px solid var(--neon-primary);
}
.btn-secondary:hover {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
    color: var(--neon-primary);
    border-color: var(--neon-primary);
    box-shadow: 0 0 8px rgba(var(--neon-primary-rgb), 0.3);
}

.btn-danger {
    background-color: var(--neon-error);
    color: var(--bg-dark-primary);
    box-shadow: 0 2px 5px rgba(var(--neon-error-rgb), 0.3);
}
.btn-danger:hover {
    background-color: #ff5c5c; 
    box-shadow: 0 4px 8px rgba(var(--neon-error-rgb), 0.4);
}


/* --- Loading & Messages --- */
.loading-spinner {
    display: inline-block;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    margin-right: var(--space-sm);
    vertical-align: text-bottom;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

.status-message {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
    color: var(--text-secondary);
    font-style: italic;
}

.alert-message {
    padding: var(--space-md);
    margin: var(--space-md) 0;
    border-radius: 4px;
    border-left: 5px solid;
    font-size: 0.95rem;
    box-shadow: var(--shadow-depth-1);
}
.alert-message.error {
    background-color: rgba(var(--neon-error-rgb), 0.1);
    border-color: var(--neon-error);
    color: var(--neon-error);
}
.alert-message.info {
    background-color: rgba(var(--neon-primary-rgb), 0.1);
    border-color: var(--neon-primary);
    color: var(--neon-primary);
}
.alert-message.warning {
    background-color: rgba(var(--neon-warning-rgb), 0.1);
    border-color: var(--neon-warning);
    color: #e6d900; 
}
.alert-message.success {
    background-color: rgba(var(--neon-success-rgb), 0.1);
    border-color: var(--neon-success);
    color: var(--neon-success);
}
.alert-message strong {
    font-weight: 600;
}
.alert-message .disclaimer-body {
    display: block;
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    opacity: 0.9;
}


/* --- Component Specific Styles --- */

/* App-wide Tool Form Container for consistent padding */
.active-tool-form-container { 
    background-color: rgba(var(--bg-dark-surface-rgb), 0.5);
    padding: var(--space-lg);
    border-radius: 8px;
    border: 1px solid var(--border-neon-dim);
    box-shadow: var(--shadow-depth-1);
}

/* Home Page Specific - NEW STYLES */
.home-page-wrapper {
    width: 100%;
}
.hero-section {
    padding: var(--space-xxl) var(--space-lg);
    background-color: var(--bg-dark-surface); 
    text-align: center;
    border-bottom: 2px solid rgba(var(--neon-primary-rgb), 0.5);
    box-shadow: 0 5px 15px rgba(var(--neon-primary-rgb), 0.1);
}
.hero-content {
    max-width: 800px;
    margin: 0 auto;
}
.hero-headline {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--neon-primary);
    text-shadow: var(--shadow-highlight-primary);
    margin-bottom: var(--space-md);
}
.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}
.btn-primary-cta {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.15rem;
    background-color: var(--neon-secondary);
    color: var(--text-on-neon-bg);
    box-shadow: var(--shadow-highlight-secondary);
    text-transform: none; 
    font-weight: 600;
}
.btn-primary-cta:hover {
    background-color: var(--neon-primary);
    box-shadow: var(--shadow-highlight-primary);
    transform: translateY(-2px) scale(1.02);
}
.btn-primary-cta .btn-icon {
    width: 20px;
    height: 20px;
}

.key-features-section, .tool-categories-overview-section {
    padding: var(--space-xxl) var(--space-lg);
    text-align: center;
}
.tool-categories-overview-section {
    background-color: rgba(var(--bg-dark-primary-rgb), 0.3); 
}

.section-title { 
    font-size: 2rem;
    color: var(--neon-primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}
.section-intro-text { 
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 750px;
    margin: 0 auto var(--space-xl) auto;
    line-height: 1.6;
}

.key-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}
.key-feature-card {
    background-color: var(--bg-dark-surface);
    border: 1px solid var(--border-neon-dim);
    border-radius: 8px;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    animation: dynamicEntryAnimation 0.5s ease-out forwards;
    transition: transform var(--transition-default), box-shadow var(--transition-default), border-color var(--transition-default);
}
.key-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-highlight-primary);
    border-color: var(--neon-primary);
}
.key-feature-icon-wrapper {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background-color: rgba(var(--neon-primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border: 2px solid var(--neon-primary);
    transition: background-color var(--transition-default), transform var(--transition-default);
}
.key-feature-card:hover .key-feature-icon-wrapper {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
    transform: scale(1.1);
}
.key-feature-icon {
    width: 32px;
    height: 32px;
    color: var(--neon-primary);
}
.key-feature-title {
    font-size: 1.25rem;
    color: var(--text-neon-headings); 
    margin-bottom: var(--space-sm);
    font-weight: 600;
}
.key-feature-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tool-category-nodes-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: var(--space-xl);
    max-width: 1300px; 
    margin: 0 auto;
}
.tool-category-node {
    background-color: var(--bg-dark-surface);
    border: 1px solid var(--border-neon-dim);
    border-radius: 8px;
    padding: var(--space-lg);
    text-align: center;
    transition: transform var(--transition-default), box-shadow var(--transition-default), border-color var(--transition-default);
    opacity: 0;
    animation: dynamicEntryAnimation 0.5s ease-out forwards;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between; 
    min-height: 320px; 
    box-shadow: 0 4px 10px rgba(var(--bg-dark-primary-rgb), 0.5), 0 0 5px rgba(var(--neon-primary-rgb), 0.1);
}
.tool-category-node:hover { 
    transform: translateY(-5px);
    border-color: var(--neon-primary);
    box-shadow: 0 8px 15px rgba(var(--neon-primary-rgb), 0.15), var(--shadow-highlight-primary);
}
.tool-category-node-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(var(--neon-primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border: 2px solid var(--neon-primary);
    box-shadow: 0 0 10px rgba(var(--neon-primary-rgb), 0.3);
    transition: background-color var(--transition-default), border-color var(--transition-default), transform var(--transition-default);
}
.tool-category-node:hover .tool-category-node-icon-wrapper {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
    transform: scale(1.05);
}
.tool-category-node .node-icon {
    width: 36px;
    height: 36px;
    color: var(--neon-primary);
}
.tool-category-node-title {
    font-size: 1.35rem;
    color: var(--neon-primary);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}
.tool-category-node-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex-grow: 1; 
    margin-bottom: var(--space-sm);
}
.tool-category-item-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    display: block;
    font-style: italic;
}
.btn-explore-category {
    margin-top: auto; 
    padding: var(--space-sm) var(--space-lg);
    background-color: transparent;
    border: 2px solid var(--neon-primary);
    color: var(--neon-primary);
    width: calc(100% - 2 * var(--space-sm)); 
    max-width: 250px;
    font-weight: 600;
}
.btn-explore-category:hover {
    background-color: var(--neon-primary);
    color: var(--text-on-neon-bg);
    border-color: var(--neon-primary);
    box-shadow: var(--interactive-glow-primary);
    transform: translateY(-2px);
}


@keyframes dynamicEntryAnimation {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}


/* AI Chat Component */
.ai-chat-component-wrapper {
    display: flex;
    flex-direction: column;
    max-height: 60vh; 
    min-height: 350px; 
}
.ai-chat-content-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden; 
    width: 100%; 
    max-width: 768px; 
    margin-left: auto; 
    margin-right: auto; 
}

.ai-chat-output-panel {
    flex-grow: 1;
    overflow-y: auto; 
    padding: var(--space-md);
    border: 1px solid var(--border-neon-dim);
    border-radius: 4px;
    background-color: rgba(var(--bg-dark-input-rgb), 0.5);
    margin-bottom: var(--space-md);
}
.chat-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.chat-message {
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    max-width: 80%;
    word-wrap: break-word;
    line-height: 1.5;
}
.chat-message.user {
    background-color: rgba(var(--neon-primary-rgb), 0.15);
    color: var(--text-primary);
    align-self: flex-end;
    border: 1px solid rgba(var(--neon-primary-rgb), 0.3);
    border-bottom-right-radius: 0;
}
.chat-message.ai {
    background-color: var(--bg-dark-surface);
    color: var(--text-secondary);
    align-self: flex-start;
    border: 1px solid var(--border-neon-dim);
    border-bottom-left-radius: 0;
}
.chat-message.ai p:last-child {
    margin-bottom: 0;
}
.chat-message.ai .loading-spinner {
    color: var(--neon-primary); 
}
.ai-chat-input-panel {
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-neon-dim);
}
/* Default for larger screens and medium screens (992px breakpoint will make it column) */
.ai-chat-input-panel .form-main-compact {
    flex-direction: row; 
    align-items: flex-end; 
    gap: var(--space-sm);
}
.ai-chat-input-panel .form-main-compact .form-group {
    flex-grow: 1; 
     margin-bottom: 0; /* Remove bottom margin when in a row */
}
.ai-chat-input-panel .form-main-compact .btn {
    min-width: 100px; 
    /* height: 46px; Ensures button height matches input min-height if desired */
}


/* Link Analyzer & File Assessor common styles */
.result-box {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    border: 1px solid var(--border-neon-dim);
    border-radius: 4px;
    background-color: rgba(var(--bg-dark-surface-rgb), 0.3);
    box-shadow: var(--shadow-depth-1);
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}
.result-box h3 {
    color: var(--neon-primary);
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: var(--space-sm);
    border-bottom: 1px dashed var(--border-neon-dim);
    padding-bottom: var(--space-xs);
}
.result-box ul {
    list-style-type: none;
    padding-left: 0;
}
.result-box li {
    margin-bottom: var(--space-xs);
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(var(--border-neon-dim-rgb), 0.5);
}
.result-box li:last-child {
    border-bottom: none;
}
.intermediate-result-box { 
    background-color: rgba(var(--bg-dark-input-rgb), 0.7);
}

/* Link Analyzer Specific */
.finding-critical { color: var(--neon-error); font-weight: bold; }
.finding-warning { color: var(--neon-warning); }
.finding-info { color: var(--text-secondary); }

.gsb-threat { border-left: 5px solid var(--neon-error); background-color: rgba(var(--neon-error-rgb), 0.05); }
.gsb-no-threat { border-left: 5px solid var(--neon-success); background-color: rgba(var(--neon-success-rgb), 0.05); }
.gsb-skipped { border-left: 5px solid var(--neon-warning); background-color: rgba(var(--neon-warning-rgb), 0.05); }


.website-preview-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px dashed var(--border-neon-dim);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.website-preview-section .btn-secondary {
    margin-bottom: var(--space-md);
}
.iframe-container {
    width: 100%;
    max-width: 768px; 
    height: 500px; 
    border: 2px solid var(--border-neon-secondary);
    border-radius: 4px;
    overflow: hidden; 
    background-color: var(--bg-dark-input); 
    margin-top: var(--space-md);
    margin-left: auto; 
    margin-right: auto; 
}
.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}
.external-link-button {
    display: inline-block;
    margin-top: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-dark-surface);
    color: var(--neon-primary);
    border: 1px solid var(--neon-primary);
    border-radius: 4px;
    font-size: 0.9rem;
}
.external-link-button:hover {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
    box-shadow: 0 0 5px var(--neon-primary);
}


/* File Assessor Specific */
.vt-threat { border-left: 5px solid var(--neon-error); background-color: rgba(var(--neon-error-rgb), 0.05); }
.vt-no-threat { border-left: 5px solid var(--neon-success); background-color: rgba(var(--neon-success-rgb), 0.05); }
.vt-notfound, .vt-skipped { border-left: 5px solid var(--neon-warning); background-color: rgba(var(--neon-warning-rgb), 0.05); }

/* Phishing Analyzer & other AI tools common */
.ai-explanation-box { 
    margin-top: var(--space-lg);
    border-color: var(--neon-secondary); 
    background-color: rgba(var(--bg-dark-surface-rgb), 0.5);
}
.ai-explanation-box h3 { 
    color: var(--neon-secondary);
    font-size: 1.1rem;
    margin-top: var(--space-sm);
    margin-bottom: var(--space-xs);
    border-bottom: none;
}
.ai-explanation-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}
.ai-explanation-box ul {
    list-style-type: disc;
    padding-left: var(--space-lg);
}
.ai-explanation-box li {
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}
.ai-explanation-box code { 
  background-color: rgba(var(--bg-dark-input-rgb), 0.9);
  border-color: rgba(var(--neon-secondary-rgb), 0.4);
  color: var(--text-primary);
}
.ai-explanation-box pre {
  background-color: rgba(var(--bg-dark-input-rgb), 0.9);
  border: 1px solid rgba(var(--neon-secondary-rgb), 0.4);
}


/* Password Strength Checker */
.password-input-container {
    position: relative;
}
.password-visibility-toggle {
    position: absolute;
    right: 10px;
    top: 50%; 
    transform: translateY(calc(-50% + 1px)); 
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    display: flex; 
    height: calc(100% - 4px); 
    align-items: center;
}
.password-visibility-toggle:hover { color: var(--neon-primary); }
.password-visibility-toggle .svg-icon { width: 20px; height: 20px; }

.password-strength-meter {
    width: 100%;
    height: 10px;
    background-color: var(--bg-dark-input);
    border-radius: 5px;
    overflow: hidden;
    margin: var(--space-sm) 0;
    border: 1px solid var(--border-neon-dim);
}
.password-strength-bar {
    height: 100%;
    width: 0%; 
    transition: width 0.3s ease-out, background-color 0.3s ease-out;
    border-radius: 4px; 
}
.password-strength-bar.weak { background-color: var(--neon-error); width: 25%; }
.password-strength-bar.medium { background-color: var(--neon-warning); width: 50%; }
.password-strength-bar.strong { background-color: #80ff00; width: 75%; } 
.password-strength-bar.very-strong { background-color: var(--neon-success); width: 100%; }

.password-feedback {
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}
.password-feedback.weak { color: var(--neon-error); }
.password-feedback.medium { color: var(--neon-warning); }
.password-feedback.strong { color: #80ff00; }
.password-feedback.very-strong { color: var(--neon-success); }

.password-criteria-summary {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    text-align: left;
}
.password-criteria-summary ul {
    list-style: none;
    padding: 0;
    margin-bottom: var(--space-xs);
}
.password-criteria-summary li {
    margin-bottom: 2px;
}
.password-criteria-summary li.met { color: var(--neon-success); }
.password-criteria-summary li.missing { color: var(--text-muted); }


/* News Feed */
.news-feed-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}
.news-item {
    background-color: rgba(var(--bg-dark-surface-rgb), 0.7);
    padding: var(--space-md);
    border-radius: 6px;
    border: 1px solid var(--border-neon-dim);
    box-shadow: var(--shadow-depth-1);
    display: flex;
    flex-direction: column;
    opacity: 0; 
    animation: dynamicEntryAnimation 0.5s ease-out forwards;
}
.news-item h4 {
    color: var(--neon-primary);
    font-size: 1.15rem;
    margin-top: 0;
    margin-bottom: var(--space-xs);
}
.news-item h4 a {
    color: inherit;
}
.news-item h4 a:hover {
    color: var(--neon-secondary);
    text-decoration: underline;
}
.news-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-grow: 1; 
    margin-bottom: var(--space-sm);
}
.news-item p small {
    display: block;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
    font-size: 0.8rem;
}
.news-item-actions {
    margin-top: auto; 
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-neon-dim);
    padding-top: var(--space-sm);
}
.news-item .read-more {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--neon-secondary);
}
.news-item .read-more:hover {
    text-decoration: underline;
    filter: brightness(1.2);
}
.btn-tts {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    min-width: 40px; 
    min-height: 40px; 
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-tts:hover {
    color: var(--neon-primary);
}
.btn-tts .svg-icon {
    width: 20px;
    height: 20px;
}

/* Tool Section Containers (for Best Practices, Protection Strategies, Glossary, Cryptography) */
.tool-section-container {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background-color: rgba(var(--bg-dark-surface-rgb), 0.3);
    border: 1px solid var(--border-neon-dim);
    border-radius: 6px;
    box-shadow: var(--shadow-depth-1);
    max-width: 768px; 
    margin-left: auto;
    margin-right: auto;
}
.tool-section-title { 
    color: var(--neon-primary);
    font-size: 1.4rem; 
    margin-top: 0;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px dashed var(--border-neon-dim);
}
.tool-description { 
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-style: italic;
}
.list-bullet-icon {
    width: 1em;
    height: 1em;
    margin-right: var(--space-sm);
    vertical-align: text-bottom;
    color: var(--neon-secondary);
    opacity: 0.7;
}

/* Best Practices specific entry animation */
.best-practice-section {
    opacity: 0; 
    animation: dynamicEntryAnimation 0.5s ease-out forwards;
}

/* Glossary Specific */
.common-terms-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}
.common-term-button {
    background-color: var(--bg-dark-surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-neon-dim);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 38px; 
}
.common-term-button:hover {
    background-color: var(--bg-dark-hover);
    color: var(--neon-primary);
    border-color: var(--neon-primary);
    box-shadow: 0 0 5px rgba(var(--neon-primary-rgb), 0.3);
}
.common-term-button:disabled {
    background-color: rgba(var(--bg-dark-surface-rgb),0.5);
    border-color: rgba(var(--border-neon-dim-rgb),0.5);
    color: rgba(var(--text-secondary-rgb),0.5);
}

/* IAM Policy Comparer */
.policy-comparison-inputs {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap; 
    max-width: 768px; 
    margin-left: auto;
    margin-right: auto;
}
.policy-input-group {
    flex: 1; 
    min-width: 250px; 
}
.policy-input-group textarea {
    min-height: 200px;
}

/* Contact Form */
.contact-form-container {
    max-width: 768px; 
    margin: 0 auto;
}
.form-field-error {
    color: var(--neon-error);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}
.captcha-display-area {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background-color: var(--bg-dark-input);
    border: 1px solid var(--border-neon-dim);
    padding: var(--space-sm);
    border-radius: 4px;
    margin-bottom: var(--space-xs);
    min-height: 44px; 
}
.captcha-text {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--text-primary);
    user-select: none; 
    text-shadow: 0 0 3px var(--neon-primary);
    flex-grow: 1;
    text-align: center;
}
.captcha-refresh-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: var(--space-xs);
    cursor: pointer;
    display: flex;
    min-width: 40px; 
    min-height: 40px; 
    align-items: center;
    justify-content: center;
}
.captcha-refresh-btn:hover { color: var(--neon-primary); }
.captcha-refresh-btn .svg-icon { width: 22px; height: 22px; }


/* Game Common Styles */
.game-status-bar {
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--text-neon-headings);
    font-size: 1.1rem;
    font-weight: 500;
}
.game-status-bar p { margin-bottom: var(--space-xs); }

.feedback-box { 
    margin-top: var(--space-lg);
    padding: var(--space-md);
    border-radius: 6px;
    text-align: center;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}
.feedback-box.correct { border: 2px solid var(--neon-success); background-color: rgba(var(--neon-success-rgb), 0.1); }
.feedback-box.incorrect { border: 2px solid var(--neon-error); background-color: rgba(var(--neon-error-rgb), 0.1); }
.feedback-box.game-over-box { border: 2px solid var(--neon-secondary); background-color: rgba(var(--neon-secondary-rgb), 0.1); }
.feedback-box h3 {
    margin-top: 0;
    margin-bottom: var(--space-sm);
}
.feedback-box.correct h3 { color: var(--neon-success); }
.feedback-box.incorrect h3 { color: var(--neon-error); }
.feedback-box.game-over-box h3 { color: var(--neon-secondary); }

/* Spot the Phish Game */
.email-display-card {
    background-color: var(--bg-dark-surface);
    border: 1px solid var(--border-neon-dim);
    border-radius: 8px;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-depth-1);
    text-align: left;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}
.email-header {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    border-bottom: 1px solid rgba(var(--border-neon-dim-rgb), 0.5);
    padding-bottom: var(--space-xs);
}
.email-header strong { color: var(--text-primary); }
.email-body {
    margin-top: var(--space-md);
    font-size: 1rem;
    line-height: 1.6;
    white-space: pre-wrap; 
}
.email-embedded-link {
    color: #66B2FF; 
    text-decoration: underline;
    cursor: pointer;
}
.email-embedded-link:hover {
    color: #8BCBFF;
}
.game-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}
.btn-choice-legit { background-color: var(--neon-success); color: var(--bg-dark-primary); }
.btn-choice-legit:hover { background-color: #33ff9c; }
.btn-choice-phish { background-color: var(--neon-error); color: var(--bg-dark-primary); }
.btn-choice-phish:hover { background-color: #ff6666; }

/* Password Cracker Challenge */
.password-cracker-challenge { 
  margin: 0 auto; 
}
.challenge-description { font-style: italic; color: var(--text-secondary); }
.toggle-hints-button, .btn-secondary {
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-md);
    margin-top: var(--space-sm);
    background-color: var(--bg-dark-surface);
    color: var(--neon-primary);
    border: 1px solid var(--neon-primary);
}
.toggle-hints-button:hover, .btn-secondary:hover {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
}
.hints-box {
    margin-top: var(--space-md);
    text-align: left;
    border-color: var(--neon-primary);
    background-color: rgba(var(--neon-primary-rgb),0.05);
}
.hints-box h4 { color: var(--neon-primary); margin-bottom: var(--space-xs); font-size: 1rem;}
.hints-box ul { list-style: circle; padding-left: var(--space-md); font-size: 0.9rem; }

/* Cryptography Explorer */
.cryptography-explorer .tool-section-container { margin-bottom: var(--space-xl); }
.cryptography-explorer .form-group label { font-size: 0.9rem; }

.cryptography-explorer .code-output {
    background-color: var(--bg-dark-input);
    border: 1px solid var(--border-neon-dim);
    color: var(--text-primary);
    padding: var(--space-sm);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    min-height: 60px; 
    word-break: break-all;
    white-space: pre-wrap;
    user-select: all;
    max-width: 768px;
    margin-left: auto;
    margin-right: auto;
}
.cryptography-explorer .cipher-controls .form-group { margin-bottom: var(--space-xs); }
.cryptography-explorer .button-group { display: flex; gap: var(--space-sm); margin-top: var(--space-md); margin-bottom: var(--space-xs); }
.cryptography-explorer .cipher-explanation { font-size: 0.85rem; color: var(--text-muted); margin-top: var(--space-sm); }


/* Log Analysis Trainer */
.log-analysis-trainer { max-width: 900px; margin: 0 auto; } 
.log-display-area {
    background-color: var(--bg-dark-input);
    border: 1px solid var(--border-neon-dim);
    border-radius: 6px;
    padding: var(--space-sm);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    max-height: 400px;
    overflow-y: auto;
    max-width: 768px; 
    margin-left: auto;
    margin-right: auto;
}
.log-line {
    padding: 5px var(--space-sm); 
    cursor: pointer;
    border-radius: 3px;
    transition: background-color var(--transition-fast), border-left-color var(--transition-fast);
    border-left: 3px solid transparent;
    margin-bottom: 2px;
    white-space: pre-wrap; 
    word-break: break-all; 
    min-height: 38px; 
    display: flex; 
    align-items: center;
}
.log-line:hover, .log-line:focus {
    background-color: var(--bg-dark-hover);
    border-left-color: var(--neon-primary);
    outline: none;
}
.log-line .line-number {
    color: var(--text-muted);
    margin-right: var(--space-sm);
    user-select: none;
}
.log-line.selected {
    background-color: rgba(var(--neon-primary-rgb), 0.2);
    border-left: 3px solid var(--neon-primary);
    box-shadow: 0 0 5px rgba(var(--neon-primary-rgb), 0.3);
    color: var(--text-primary);
}
.log-line.correct-selection { 
    background-color: rgba(var(--neon-success-rgb), 0.2);
    border-left: 3px solid var(--neon-success);
    color: var(--neon-success);
}
.log-line.missed-selection { 
    border: 1px dashed var(--neon-warning);
    background-color: rgba(var(--neon-warning-rgb), 0.1);
}
.log-line.incorrect-selection { 
    background-color: rgba(var(--neon-error-rgb), 0.2);
    border-left: 3px solid var(--neon-error);
    color: var(--neon-error);
    text-decoration: line-through  rgba(var(--neon-error-rgb), 0.7);;
}


/* --- Responsive Design --- */
.nav-toggle-button {
    display: none; 
    background: none;
    border: none;
    color: var(--neon-primary);
    font-size: 1.5rem; 
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001; 
    width: 40px; /* Reduced from 44px */
    height: 40px; /* Reduced from 44px */
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-toggle-button .svg-icon {
    width: 24px; /* Reduced size */
    height: 24px; /* Reduced size */
}
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(var(--bg-dark-primary-rgb), 0.7);
    z-index: 998; 
    backdrop-filter: blur(3px);
}
.app-container.nav-open .nav-overlay { 
    display: block;
}


@media (max-width: 992px) {
    .app-nav { 
        position: fixed; 
        left: 0;
        top: 0;
        bottom: 0;
        width: 300px; 
        height: 100vh; 
        transform: translateX(-100%);
        z-index: 1000; 
        border-right: 2px solid var(--neon-secondary); 
    }
    .app-container.nav-open .app-nav { 
        transform: translateX(0);
        box-shadow: 5px 0 15px rgba(var(--neon-secondary-rgb), 0.3);
    }
    .nav-toggle-button {
        display: flex; 
    }
    .nav-close-button-mobile {
        display: flex; 
        align-items: center;
        justify-content: center;
    }

    .content-section {
        padding: var(--space-lg); 
    }
    .hero-headline { font-size: 2.2rem; }
    .hero-tagline { font-size: 1.1rem; }
    .section-title { font-size: 1.8rem; } 

    /* AI Chat stacked on medium screens */
    .ai-chat-input-panel .form-main-compact {
        flex-direction: column; 
    }
    .ai-chat-input-panel .form-main-compact .form-group {
        width: 100%; /* Ensure form-group takes full width for stacked input */
        margin-bottom: var(--space-sm); 
    }
    .ai-chat-input-panel .form-main-compact .btn {
        width: 100%; 
    }

    .policy-comparison-inputs {
        flex-direction: column; 
    }
    .tool-title-main { font-size: 1.6rem; }
    .tool-description-main { font-size: 0.95rem; }
    .key-feature-card, .tool-category-node { padding: var(--space-md); }
    .key-feature-title { font-size: 1.15rem; }
    .tool-category-node-title { font-size: 1.25rem; }
    .key-feature-description, .tool-category-node-description { font-size: 0.9rem; }
}

@media (max-width: 768px) {
    /* Adjusted base font size for smaller screens if needed, or keep it from --font-size-base */
    /* html { font-size: calc(var(--font-size-base) * 0.9); } */
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .app-nav { width: 280px; } 

    .hero-headline { font-size: 2rem; }
    .hero-tagline { font-size: 1rem; }
    .btn-primary-cta { font-size: 1rem; padding: var(--space-sm) var(--space-lg); }
    
    .key-features-grid { grid-template-columns: 1fr; }
    .tool-category-nodes-container {
        grid-template-columns: 1fr; 
        gap: var(--space-lg);
    }
    .app-header {
        padding: var(--space-xs) var(--space-sm); /* Further reduced for smaller screens */
    }
    .app-title { font-size: 1.25rem; } /* Further reduced */
    .logo-icon { height: 26px; width: 26px; } /* Further reduced */
    .news-feed-container {
        grid-template-columns: 1fr; 
    }
    .tool-title-icon { width: 32px; height: 32px; margin-right: var(--space-md); }
    .tool-title-main { font-size: 1.5rem; }
    .key-feature-icon-wrapper { width: 60px; height: 60px;}
    .key-feature-icon { width: 28px; height: 28px; }
    .tool-category-node-icon-wrapper { width: 65px; height: 65px; }
    .tool-category-node .node-icon { width: 32px; height: 32px; }
    .result-box, .ai-chat-content-area, .email-display-card, .log-display-area, 
    .cryptography-explorer .code-output, .feedback-box,
    .form-main-compact, .contact-form-container, .policy-comparison-inputs, .tool-section-container {
        max-width: 100%; 
    }

    /* AI Chat side-by-side integrated for small mobile screens */
    .ai-chat-input-panel .form-main-compact {
        flex-direction: row; /* Override column from 992px */
        gap: 0; /* Make input and button touch */
        align-items: stretch; /* Ensure same height */
    }
    .ai-chat-input-panel .form-main-compact .form-group {
        flex-grow: 1;
        margin-bottom: 0; /* Remove stacking margin */
        width: auto; /* Reset from 100% */
    }
    .ai-chat-input-panel .form-main-compact .form-group label[for="aiChatInput"] {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
    .ai-chat-input-panel .form-main-compact input#aiChatInput {
        border-right: none;
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
        border-top-left-radius: 4px; /* Standard radius */
        border-bottom-left-radius: 4px; /* Standard radius */
        height: 46px; 
        min-height: 46px;
    }
    .ai-chat-input-panel .form-main-compact .btn {
        width: auto; /* Override 100% from 992px */
        flex-shrink: 0;
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
        border-top-right-radius: 4px; /* Standard radius */
        border-bottom-right-radius: 4px; /* Standard radius */
        height: 46px; 
        min-height: 46px;
        /* Re-apply border to match input, as base button has none */
        border: 1px solid var(--border-input); 
        border-left: none; /* Joins with input */
        box-shadow: none; /* Cleaner look for integrated button */
        padding-left: var(--space-md); /* Adjust padding for icon + text */
        padding-right: var(--space-md);
    }
     .ai-chat-input-panel .form-main-compact .btn .btn-icon {
        margin-right: var(--space-xs); /* Space between icon and "Send" */
    }
    .ai-chat-input-panel .form-main-compact .btn:hover {
        box-shadow: 0 0 5px rgba(var(--neon-secondary-rgb), 0.3); /* Softer glow on hover */
    }
    /* Ensure focus on input also visually cues the button's border if possible */
    .ai-chat-input-panel .form-main-compact .form-group:has(input#aiChatInput:focus) + .btn {
        border-color: var(--border-input-focus);
        /* Optional: add a subtle shadow to the button too if input has one on focus */
        /* box-shadow: inset 1px 0 0 var(--border-input-focus); */
    }
     /* Ensure focus on button also visually cues its border */
    .ai-chat-input-panel .form-main-compact .btn:focus-visible {
        border-color: var(--border-input-focus);
        /* If you want to remove default outline and use box-shadow for focus consistency */
        /* outline: none; */
        /* box-shadow: 0 0 8px rgba(var(--neon-secondary-rgb), 0.5); */
    }

}


@media (max-width: 480px) {
    /* html { font-size: calc(var(--font-size-base) * 0.85); } */ /* Example of further reduction if needed */

    .app-nav { width: calc(100vw - 60px); max-width: 280px; } 
    .content-section { padding: var(--space-md); }
    .tool-header { 
        padding: var(--space-md); 
        flex-direction: column; 
        align-items: flex-start; 
        text-align: left; 
    }
    .tool-title-icon { 
        margin-right: 0; 
        margin-bottom: var(--space-sm); 
        width: 28px; 
        height: 28px;
    }
    .tool-title-main { font-size: 1.3rem; } 
    .tool-description-main { font-size: 0.9rem; margin-top: 0; } 

    .hero-section { padding: var(--space-xl) var(--space-md); }
    .hero-headline { font-size: 1.6rem; line-height: 1.2; }
    .hero-tagline { font-size: 0.9rem; }
    .key-features-section, .tool-categories-overview-section { padding: var(--space-xl) var(--space-md); }
    .section-title { font-size: 1.4rem; }
    .app-title { font-size: 1.2rem; }

    .btn {
        padding: calc(var(--space-sm) + 2px) var(--space-md); 
        font-size: 0.9rem;
    }
    input[type="text"], input[type="url"], input[type="email"], input[type="password"], input[type="number"], textarea, select {
        font-size: 1rem; 
        padding: var(--space-sm) var(--space-md); 
    }
    .game-actions {
        flex-direction: column;
        gap: var(--space-md);
    }
    .btn-choice-legit, .btn-choice-phish {
        width: 100%;
    }
    .log-line { font-size: 0.85rem; padding: 4px var(--space-xs); }
    .log-line .line-number { margin-right: var(--space-xs); }
    .app-footer {
         padding: 1px var(--space-sm); /* Even more reduced for smallest screens */
         font-size: 0.65rem; 
    }
    .app-footer p {
        margin-bottom: 0px; 
    }

    /* Contact Form CAPTCHA adjustments for small mobile */
    .captcha-display-area {
        flex-direction: column; /* Stack CAPTCHA text and refresh button */
        align-items: stretch;   /* Make items take full width */
        gap: var(--space-xs);
    }
    .captcha-text {
        text-align: center;    /* Center the CAPTCHA text */
        margin-bottom: var(--space-xs); /* Add a little space if needed below text */
    }
    .captcha-refresh-btn {
        align-self: center;    /* Center the refresh button */
    }
    
    /* Further refine AI Chat input for very small screens if needed */
    .ai-chat-input-panel .form-main-compact .btn .btn-icon {
        margin-right: var(--space-xs); /* Reduce space if text is also shown */
    }
    /* Optionally hide Send text on very small screens for icon-only button */
    .ai-chat-input-panel .form-main-compact .btn span.send-text { /* Add a class to Send text span if you want to hide it */
        /* display: none; */
    }
     .ai-chat-input-panel .form-main-compact .btn {
        padding-left: var(--space-sm); 
        padding-right: var(--space-sm);
    }
}

/* Accessibility: Focus visible styling */
*:focus-visible {
  outline: 2px solid var(--focus-ring-color) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px rgba(var(--neon-secondary-rgb), 0.3) !important; 
}
*:focus {
  outline: none;
}
.logo-container:focus-visible { 
    outline: 2px solid var(--focus-ring-color) !important;
    outline-offset: 2px !important;
}
.content-section:focus-visible {
    box-shadow: inset 0 0 0 2px var(--focus-ring-color) !important; 
}


/* Print styles */
@media print {
  body {
    background-color: #fff;
    color: #000;
  }
  .app-header, .app-nav, .app-footer, .nav-toggle-button, .nav-overlay, .nav-close-button-mobile { 
    display: none !important;
  }
  .app-body {
    display: block; 
    overflow: visible; 
  }
  .content-section {
    padding: 0;
    overflow: visible;
    width: 100%; 
  }
  a {
    color: #0000EE; 
    text-decoration: underline;
  }
  .result-box, .tool-section-container, .email-display-card, .log-display-area, 
  .hero-section, .key-features-section, .tool-categories-overview-section, .key-feature-card, .tool-category-node {
    border: 1px solid #ccc;
    box-shadow: none;
    background-color: #f9f9f9;
    color: #000; 
  }
  h1,h2,h3,h4,h5,h6, .tool-title-main, .hero-headline, .key-feature-title, .section-title { 
    color: #000 !important; 
    text-shadow: none !important; 
  }
  p, .hero-tagline, .key-feature-description, .section-intro-text, .tool-description, .tool-description-main { 
    color: #000 !important;
  }
  code, pre { background-color: #f0f0f0; border: 1px solid #ddd; color: #333; }
  .btn, button { display: none !important; } 
  .svg-icon { display: none !important; } 
}