/* ==========================================================================
   GOOGLE FONTS IMPORT (Global)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap'); /* Using the more comprehensive import */

/* ==========================================================================
   GLOBAL VARIABLES and BASE STYLES
   ========================================================================== */
:root {
    /* Light Mode Default Variables */
    --primary-color: #1e3c72;
    --secondary-color: #2a5298;
    --accent-color: #ffc107; 
    --text-light: white;
    --text-dark: #333;
    --text-muted: #555;
    --error-color: #dc3545;
    --success-color: #28a745;
    --light-bg: #f8f9fa; 
    --page-bg: #f0f2f5; 
    
    --footer-bg: #0f0f0f;
    --footer-text: #adb5bd;
    --footer-text-light: #ced4da;
    --footer-title: #ffffff;
    --footer-bottom-bg: #000000;
    
    --header-height: 70px;
    --header-bg: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --header-text-color: var(--text-light);
    --header-icon-color: var(--text-light);
    --header-btn-bg: var(--accent-color);
    --header-btn-text: var(--primary-color); 
    --header-btn-hover-bg: #e0a800; 

    /* Neumorphic variables - Light Mode */
    --neumorphic-bg: #e0e5ec; /* This is used by AdSense Calc */
    --neumorphic-shadow-light: #ffffff; /* Used by AdSense Calc */
    --neumorphic-shadow-dark: #b8babe; /* Used by AdSense Calc */
    --neumorphic-text-color: #2c3e50; /* Used by AdSense Calc for h1, inputs, results */
    --neumorphic-input-focus-bg: #ffffff; /* Used by AdSense Calc */
    --neumorphic-btn-disabled-bg: #d1d5db;
    --neumorphic-btn-disabled-text: #777;

    --tool-description-bg: rgba(255, 255, 255, 0.6);
    --tool-description-shadow-light: rgba(255, 255, 255, 0.8);
    --tool-description-shadow-dark: rgba(184, 186, 190, 0.6);
    --tool-description-text: var(--text-dark);
    --tool-description-h2-border: var(--accent-color);
    --tool-disclaimer-border: var(--accent-color);
    --tool-disclaimer-bg: rgba(255, 193, 7, 0.08);

    --ad-placeholder-bg: #f0f0f0;
    --ad-placeholder-text-color: #777;
    --ad-placeholder-border-color: #ccc;

    /* Stylish Theme Switch Colors - Light Mode */
    --theme-switch-track-bg-off: var(--neumorphic-bg);
    --theme-switch-track-shadow-off: inset 1px 1px 3px var(--neumorphic-shadow-dark), inset -1px -1px 3px var(--neumorphic-shadow-light);
    --theme-switch-track-bg-on: var(--accent-color);
    --theme-switch-track-shadow-on: 0 0 5px color-mix(in srgb, var(--accent-color) 70%, transparent);
    --theme-switch-thumb-bg: var(--neumorphic-shadow-light);
    --theme-switch-thumb-shadow: 1px 1px 3px var(--neumorphic-shadow-dark), -1px -1px 2px var(--neumorphic-shadow-light);
    --theme-switch-icon-color-off: color-mix(in srgb, var(--primary-color) 80%, black); 
    --theme-switch-icon-color-on: var(--header-btn-text); 

    --theme-transition-duration: 0.3s;
}

body.dark-mode {
    /* Dark Mode Variable Overrides */
    --primary-color: #3b82f6; 
    --secondary-color: #1d4ed8; 
    --accent-color: #f59e0b; 
    --text-light: #1f2937; 
    --text-dark: #e5e7eb;  
    --text-muted: #9ca3af;
    --page-bg: #111827; 

    --header-bg: linear-gradient(135deg, #1f2937, #374151); 
    --header-text-color: #e5e7eb;
    --header-icon-color: #e5e7eb;
    --header-btn-bg: var(--accent-color);
    --header-btn-text: #111827; 
    --header-btn-hover-bg: #d97706; 

    /* Neumorphic variables - Dark Mode */
    --neumorphic-bg: #1f2937; 
    --neumorphic-shadow-light: #374151; 
    --neumorphic-shadow-dark: #0e131c; 
    --neumorphic-text-color: #d1d5db;
    --neumorphic-input-focus-bg: #374151; 
    --neumorphic-btn-disabled-bg: #4b5563;
    --neumorphic-btn-disabled-text: #9ca3af;

    --tool-description-bg: rgba(31, 41, 55, 0.7); 
    --tool-description-shadow-light: rgba(75, 85, 99, 0.5);
    --tool-description-shadow-dark: rgba(17, 24, 39, 0.5);
    --tool-description-text: var(--text-dark);
    --tool-description-h2-border: var(--accent-color);
    --tool-disclaimer-border: var(--accent-color);
    --tool-disclaimer-bg: rgba(245, 158, 11, 0.1); 
    
    --ad-placeholder-bg: #374151;
    --ad-placeholder-text-color: #9ca3af;
    --ad-placeholder-border-color: #4b5563;

    /* Stylish Theme Switch Colors - Dark Mode */
    --theme-switch-track-bg-off: var(--neumorphic-bg); 
    --theme-switch-track-shadow-off: inset 1px 1px 3px var(--neumorphic-shadow-dark), inset -1px -1px 3px var(--neumorphic-shadow-light); 
    --theme-switch-track-bg-on: var(--accent-color); 
    --theme-switch-track-shadow-on: 0 0 8px color-mix(in srgb, var(--accent-color) 50%, transparent);
    --theme-switch-thumb-bg: var(--neumorphic-shadow-light); 
    --theme-switch-thumb-shadow: 1px 1px 3px var(--neumorphic-shadow-dark), -1px -1px 2px var(--neumorphic-shadow-light); 
    --theme-switch-icon-color-off: var(--accent-color); 
    --theme-switch-icon-color-on: var(--header-btn-text); 
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    transition: background-color var(--theme-transition-duration) ease, 
                color var(--theme-transition-duration) ease, 
                border-color var(--theme-transition-duration) ease,
                box-shadow var(--theme-transition-duration) ease;
}
*:focus-visible { 
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

html { scroll-behavior: smooth; }
body {
    min-height: 100vh; overflow-x: hidden; background: var(--page-bg);
    padding-top: var(--header-height); display: flex; flex-direction: column;
    color: var(--text-dark);
    /* will-change: transform;  GPU acceleration can be useful but test performance impact */
}
body.menu-open { overflow-y: hidden; }
.container { max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 20px; padding-right: 20px; }
.visually-hidden { position: absolute !important; height: 1px; width: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
main { flex-grow: 1; padding: 30px 15px; display: flex; flex-direction: column; align-items: center; }

/* ==========================================================================
   HEADER STYLES (Same as before)
   ========================================================================== */
header { background: var(--header-bg); color: var(--header-text-color); padding: 0 20px; display: flex; justify-content: space-between; align-items: center; position: fixed; width: 100%; top: 0; left: 0; z-index: 1000; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); height: var(--header-height); box-sizing: border-box; }
.logo { font-size: 28px; font-weight: bold; letter-spacing: 1px; display: flex; align-items: center; }
.logo i { margin-right: 10px; font-size: inherit; color: var(--header-icon-color); }
.logo-link { color: var(--header-text-color); text-decoration: none; font-weight: bold; }
.header-right-controls { display: none; align-items: center; gap: 10px; }
.desktop-nav { display: flex; gap: 15px; align-items: center; }
.desktop-nav a { color: var(--header-text-color); text-decoration: none; font-size: 16px; transition: color 0.3s ease-in-out, text-decoration 0.3s ease-in-out; font-weight: 500; padding: 5px 0; display: inline-flex; align-items: center; gap: 6px; }
.desktop-nav a:hover { color: var(--accent-color); text-decoration: underline; }
.desktop-nav a.active { color: var(--accent-color); }
.desktop-nav a.btn { background-color: var(--header-btn-bg); color: var(--header-btn-text) !important; padding: 8px 15px; border-radius: 5px; font-weight: bold; text-decoration: none; }
.desktop-nav a.btn:hover { background-color: var(--header-btn-hover-bg); color: var(--header-btn-text) !important; text-decoration: none; }
.menu-icon { font-size: 28px; cursor: pointer; color: var(--header-icon-color); background: transparent; border: none; padding: 10px; }
.menu-icon i { color: var(--header-icon-color); font-size: 24px; display: block; }
.theme-switch { position: relative; display: inline-block; width: 50px; height: 26px; align-self: center; }
.desktop-nav-theme-toggle { margin-right: 5px; margin-left: 0; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--theme-switch-track-bg-off); box-shadow: var(--theme-switch-track-shadow-off); transition: background-color var(--theme-transition-duration), box-shadow var(--theme-transition-duration); }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: var(--theme-switch-thumb-bg); box-shadow: var(--theme-switch-thumb-shadow); transition: transform var(--theme-transition-duration), background-color var(--theme-transition-duration), box-shadow var(--theme-transition-duration), color var(--theme-transition-duration); display: flex; align-items: center; justify-content: center; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 11px; content: "\f186"; color: var(--theme-switch-icon-color-off); }
input:checked + .slider { background-color: var(--theme-switch-track-bg-on); box-shadow: var(--theme-switch-track-shadow-on); }
input:checked + .slider:before { transform: translateX(24px); content: "\f185"; color: var(--theme-switch-icon-color-on); }
.slider.round { border-radius: 26px; } .slider.round:before { border-radius: 50%; }
.mobile-menu { position: fixed; top: 0; right: -280px; width: 280px; max-width: 90%; height: 100vh; background: var(--primary-color); transition: right 0.4s ease-in-out; padding: 20px; z-index: 1001; box-shadow: -4px 0 8px rgba(0, 0, 0, 0.2); overflow-y: auto; box-sizing: border-box; }
body.dark-mode .mobile-menu { background: #1f2937; } .mobile-menu.show { right: 0; }
.mobile-menu .close-btn { font-size: 24px; cursor: pointer; color: var(--header-text-color); background: transparent; border: none; padding: 0; display: block; text-align: right; margin-bottom: 10px; }
.mobile-menu .menu-links { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.mobile-menu .menu-links a { color: var(--header-text-color); text-decoration: none; font-size: 18px; padding: 10px 0; display: flex; align-items: center; gap: 8px; transition: color 0.3s ease; }
.mobile-menu .menu-links a:hover, .mobile-menu .menu-links a.active { color: var(--accent-color); }
.mobile-menu .menu-links a.btn { background-color: var(--header-btn-bg); color: var(--header-btn-text) !important; padding: 10px 15px; border-radius: 5px; text-align: center; font-weight: bold; justify-content: center; }
.mobile-menu .menu-links a.btn:hover { background-color: var(--header-btn-hover-bg); }
.mobile-menu hr { width: 100%; border: 0; border-top: 0.5px solid rgba(255, 255, 255, 0.2); margin: 15px 0; }
body.dark-mode .mobile-menu hr { border-top-color: rgba(229, 231, 235, 0.2); }
.mobile-menu .social-icons-horizontal { margin-top: 20px; display: flex; justify-content: center; align-items: center; gap: 20px; }
.mobile-menu .social-icons-horizontal a { color: var(--header-text-color); font-size: 24px; transition: color 0.3s ease-in-out; padding: 0; }
.mobile-menu .social-icons-horizontal a:hover { color: var(--accent-color); }

/* ==========================================================================
   ADVERTISEMENT CONTAINER STYLES (Same as before)
   ========================================================================== */
.ad-container { display: none; background-color: var(--ad-placeholder-bg); align-items: center; justify-content: center; text-align: center; color: var(--ad-placeholder-text-color); font-size: 0.9em; margin-left: auto; margin-right: auto; overflow: hidden; }
.ad-container p.ad-placeholder-text { margin: 0; padding: 10px; border: 1px dashed var(--ad-placeholder-border-color); width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.ad-top, .ad-bottom { width: 100%; max-width: 728px; min-height: 90px; margin-bottom: 20px; }
.ad-top { margin-top: 0; } .ad-bottom { margin-top: 20px; margin-bottom: 0; }
.tool-layout-wrapper { display: flex; justify-content: center; align-items: flex-start; gap: 20px; width: 100%; max-width: 1100px; margin-left: auto; margin-right: auto; }
.ad-left, .ad-right { width: 160px; min-height: 600px; flex-shrink: 0; } .ad-left { order: -1; }
.tool-layout-wrapper > .tool-container { flex-grow: 1; }

/* ==========================================================================
   ADSENSE REVENUE CALCULATOR TOOL SPECIFIC STYLES
   ========================================================================== */
.tool-container { /* This targets the main box of the AdSense tool */
    background: var(--neumorphic-bg);
    padding: clamp(20px, 4vw, 25px); /* Adjusted padding for consistency */
    border-radius: 20px;
    box-shadow: 8px 8px 16px var(--neumorphic-shadow-dark), -8px -8px 16px var(--neumorphic-shadow-light);
    text-align: center;
    width: 100%; 
    max-width: 800px; 
    color: var(--neumorphic-text-color);
    margin-top: 0;
    margin-bottom: 0; 
}

/* Original AdSense Calc header h1 styles applied within .tool-container */
.tool-container h1 {
    font-size: clamp(20px, 5vw, 26px); /* Slightly adjusted for overall consistency */
    font-weight: 600;
    color: var(--neumorphic-text-color);
    margin-bottom: 8px; /* Consistent margin */
}

.tool-container .tagline {
    font-size: clamp(13px, 3vw, 14px); /* Adjusted */
    color: var(--text-muted); /* Use global muted color */
    margin-bottom: 20px; /* Increased margin */
}

.tool-container #calculatorForm .input-group { /* Specific to AdSense calc form */
    display: flex;
    gap: 10px;
    justify-content: space-between;
    margin-bottom: 20px; /* Space after input group */
}

.tool-container #calculatorForm .input-group input {
    flex: 1;
    padding: clamp(10px, 2vw, 12px) clamp(12px, 2.5vw, 15px); /* Adjusted padding */
    border: none;
    border-radius: 10px;
    font-size: clamp(14px, 3.5vw, 15px); /* Adjusted font size */
    background: var(--neumorphic-bg);
    box-shadow: inset 4px 4px 8px var(--neumorphic-shadow-dark), inset -4px -4px 8px var(--neumorphic-shadow-light);
    color: var(--neumorphic-text-color);
    outline: none;
    min-width: 90px; /* Adjusted min-width */
    /* max-width: 200px; /* Can be removed if flex:1 handles it well */
}

.tool-container #calculatorForm .input-group input::placeholder {
    color: var(--text-muted); /* Use global muted color */
    opacity: 0.8;
}

.tool-container #calculatorForm input:focus { /* Focus style specific to AdSense calc form inputs */
    background: var(--neumorphic-input-focus-bg);
    box-shadow: inset 2px 2px 5px var(--neumorphic-shadow-dark), inset -2px -2px 5px var(--neumorphic-shadow-light);
}

.tool-container .results {
    display: flex;
    gap: 15px; /* Adjusted gap */
    justify-content: space-around; /* Center items if they wrap */
    flex-wrap: wrap;
    margin-top: 20px;
    margin-bottom: 20px; /* Space before chart */
    font-size: clamp(14px, 3.8vw, 16px); /* Adjusted font size */
    font-weight: 600;
    color: var(--neumorphic-text-color);
}

.tool-container .results p {
    flex: 1 1 150px; /* Allow wrapping and maintain min width */
    text-align: center;
    background: var(--neumorphic-bg);
    padding: clamp(10px, 2vw, 12px); /* Adjusted padding */
    border-radius: 10px;
    box-shadow: inset 4px 4px 8px var(--neumorphic-shadow-dark), inset -4px -4px 8px var(--neumorphic-shadow-light);
    min-width: 120px; /* Retained min-width */
}
.tool-container .results p span { /* For the actual earning values */
    display: block;
    margin-top: 5px;
    font-weight: normal; /* Normal weight for values if desired */
    font-size: 0.95em; /* Slightly smaller than the label */
    color: var(--success-color); /* Green for earnings */
}
body.dark-mode .tool-container .results p span {
    color: #6ee7b7; /* Lighter green for dark mode */
}


.tool-container .chart-container {
    margin-top: 20px;
    margin-bottom: 20px; /* Space before buttons */
    padding: clamp(15px, 3vw, 20px); /* Adjusted padding */
    background: var(--neumorphic-bg);
    border-radius: 10px;
    box-shadow: 4px 4px 8px var(--neumorphic-shadow-dark), -4px -4px 8px var(--neumorphic-shadow-light);
    max-width: 100%;
    height: auto; /* Let content define height, or set a min-height */
    min-height: 280px; /* Example min-height */
    /* display: none; /* JS will handle this */
}
.tool-container .chart-container canvas {
    max-height: 250px; /* Constrain canvas height if needed */
}


.tool-container .button-group { /* General .button-group styles from other tools */
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    margin-bottom: 25px; 
}

.tool-container .button-group .button { /* Specific styles for AdSense calc buttons, overriding if needed */
    padding: clamp(10px, 2vw, 12px);
    font-size: clamp(14px, 3.5vw, 15px);
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
    background: var(--neumorphic-bg);
    box-shadow: 4px 4px 8px var(--neumorphic-shadow-dark), -4px -4px 8px var(--neumorphic-shadow-light);
    transition: transform 0.2s ease-in-out;
    border: none;
    flex: 1;
    color: var(--neumorphic-text-color);
}

.tool-container .button-group .button:hover {
    transform: translateY(-2px);
}

.tool-container .button-group .button:active {
    transform: translateY(1px);
    box-shadow: inset 2px 2px 4px var(--neumorphic-shadow-dark), inset -2px -2px 4px var(--neumorphic-shadow-light);
}
/* Disabled state handled by global button:disabled if this class is used */


.tool-container .tool-copyright { 
    font-size: clamp(13px, 3vw, 14px); /* Adjusted */
    color: var(--text-muted); 
    margin-top: 0; 
    margin-bottom: 20px; 
    text-align: center;
}
.tool-container .tool-copyright a { 
    font-weight: bold; color: var(--error-color); text-decoration: none; 
}
body.dark-mode .tool-container .tool-copyright a {
    color: #f87171; 
}
.tool-container .tool-copyright a:hover { text-decoration: underline; }

/* ==========================================================================
   TOOL DESCRIPTION STYLES (Same as before, if you add a description)
   ========================================================================== */
.tool-description { text-align: left; margin-top: 0; margin-bottom: 0; padding: 20px; border-top: 1px solid var(--neumorphic-shadow-dark); color: var(--tool-description-text); font-size: 0.95em; line-height: 1.7; background-color: var(--tool-description-bg); border-radius: 12px; box-shadow: inset 3px 3px 6px var(--tool-description-shadow-dark), inset -3px -3px 6px var(--tool-description-shadow-light); }
.tool-description h2 { font-size: 1.5em; color: var(--primary-color); margin-bottom: 18px; font-weight: 600; text-align: center; padding-bottom: 5px; border-bottom: 1px solid var(--tool-description-h2-border); display: block; }
.tool-description h3 { font-size: 1.2em; color: var(--secondary-color); margin-top: 25px; margin-bottom: 12px; font-weight: 600; }
.tool-description p { margin-bottom: 15px; } .tool-description ul { list-style-position: outside; margin-left: 25px; margin-bottom: 18px; }
.tool-description ul li { margin-bottom: 10px; padding-left: 5px; }
.tool-description .disclaimer { font-size: 0.9em; color: var(--text-muted); border-left: 4px solid var(--tool-disclaimer-border); padding: 12px 15px; margin-top: 25px; background-color: var(--tool-disclaimer-bg); border-radius: 4px; }
.tool-description .disclaimer strong { color: var(--error-color); font-weight: 600; }
body.dark-mode .tool-description .disclaimer strong { color: #f87171; }

/* ==========================================================================
   FOOTER STYLES (Same as before)
   ========================================================================== */
.site-footer { background-color: var(--footer-bg); color: var(--footer-text); padding-top: 50px; font-size: 14px; line-height: 1.6; margin-top: auto; width: 100%; box-sizing: border-box; }
.footer-main-container { display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 40px; }
.footer-column.about-column { flex: 1 1 30%; min-width: 250px; text-align: left; }
.footer-column.about-column .footer-site-description { margin-bottom: 20px; color: var(--footer-text-light); max-width: 100%; margin-left: 0; margin-right: 0;}
.footer-column.about-column .footer-social-icons { justify-content: flex-start; }
.footer-links-group { flex: 2 1 65%; display: flex; flex-wrap: wrap; gap: 20px; }
.footer-column { flex: 1; min-width: 180px; } .footer-links-group .links-column { min-width: 160px; }
.footer-site-name { font-size: 28px; font-weight: 700; color: var(--footer-title); margin-bottom: 15px; }
.footer-column-title { font-size: 18px; font-weight: 600; color: var(--footer-title); margin-bottom: 20px; }
.footer-column ul { list-style: none; padding: 0; margin: 0; } .footer-column ul li { margin-bottom: 10px; }
.footer-column ul li a { color: var(--footer-text); text-decoration: none; transition: color 0.3s ease, padding-left 0.3s ease; }
.footer-column ul li a:hover { color: var(--footer-title); padding-left: 5px; }
.footer-social-icons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.footer-social-icons a { display: inline-flex; justify-content: center; align-items: center; width: 36px; height: 36px; border-radius: 50%; background-color: #343a40; color: var(--footer-title); font-size: 16px; text-decoration: none; transition: background-color 0.3s ease, transform 0.3s ease; }
.footer-social-icons a:hover { background-color: var(--accent-color); color: var(--primary-color) !important; transform: scale(1.1); }
body.dark-mode .footer-social-icons a:hover { color: #111827 !important; }
.footer-bottom { background-color: var(--footer-bottom-bg); padding: 20px 0; border-top: 1px solid #2c2c2c; }
.footer-bottom-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 15px; }
.footer-buy-code-btn { background-color: var(--accent-color); color: var(--primary-color) !important; padding: 8px 15px; border-radius: 5px; font-weight: bold; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; transition: background-color 0.3s ease, color 0.3s ease; border: none; }
.footer-buy-code-btn:hover { background-color: var(--header-btn-hover-bg); color: var(--primary-color) !important; text-decoration: none; }
body.dark-mode .footer-buy-code-btn { color: #111827 !important; }
.footer-buy-code-btn i { margin-right: 0; }
.copyright-text { font-size: 15px; color: var(--footer-text); margin: 0; text-align: right; flex-grow: 1; }
.copyright-text a, .copyright-text strong { color: var(--accent-color); text-decoration: none; }
.copyright-text a:hover { text-decoration: underline; }

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS (Incorporating AdSense Calc specifics)
   ========================================================================== */
@media (max-width: 768px) { 
    body { padding-top: 60px; --header-height: 60px; } 
    header { height: var(--header-height); padding: 0 15px; } 
    .logo { font-size: 26px; } .logo i { margin-right: 8px; } 
    
    .desktop-nav { display: none; } 
    .header-right-controls { display: flex; }
    .menu-icon { display: flex; }
    .mobile-header-theme-toggle { display: inline-block; }
    .desktop-nav-theme-toggle { display: none; }

    /* AdSense Calculator specific responsive adjustments */
    .tool-container #calculatorForm .input-group, 
    .tool-container .results, 
    .tool-container .button-group {
        flex-direction: column;
        gap: 12px;
    }
    .tool-container #calculatorForm .input-group input {
        max-width: none; /* Allow full width on mobile */
        width: 100%;
    }
    .tool-container .results p {
        flex-basis: 100%; /* Stack results items */
    }

    .footer-main-container { flex-direction: column; align-items: flex-start; } 
    .footer-column.about-column { flex-basis: 100%; text-align: left; min-width: unset; } 
    .footer-column.about-column .footer-site-description { max-width: 100%; margin-left: 0; margin-right: 0; font-size: 16px; } 
    .footer-column.about-column .footer-social-icons { justify-content: flex-start; } 
    .footer-links-group { flex-basis: 100%; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 15px; } 
    .footer-links-group .footer-column.links-column { flex-basis: calc(50% - 10px); min-width: 150px; text-align: left; } 
    .footer-column ul { text-align: left; } .footer-column ul li a { font-size: 16px; } 
    .footer-bottom-container { flex-direction: column; align-items: center; text-align: center; gap: 10px; } 
    .footer-buy-code-btn { margin-bottom: 10px; font-size: 16px; } 
    .copyright-text { text-align: center; font-size: 15px; } 
    .ad-top, .ad-bottom { min-height: 50px; } .ad-top { margin-bottom: 15px;} .ad-bottom { margin-top: 15px;}
}

@media (min-width: 769px) { 
    .header-right-controls {
        display: none; 
    }
    .desktop-nav-theme-toggle {
        display: inline-block;
    }
}

@media (max-width: 500px) { 
    .tool-container { padding: 20px; } 
    .tool-container h1 { font-size: clamp(18px, 5vw, 22px); } /* AdSense h1 size */
    .tool-description { padding: 15px; font-size: 0.9em; } 
    .tool-description h2 { font-size: 1.3em; } 
    .tool-description h3 { font-size: 1.1em; } 
}

@media (max-width: 480px) { 
    .logo { font-size: 24px; } .logo i { margin-right: 6px; } 
    main { padding: 20px 5px; } 
    .tool-container { padding: 15px; } 
    .tool-container #calculatorForm .input-group input {
        font-size: clamp(13px, 3.5vw, 14px); /* Smaller font for smallest screens */
    }
    .tool-container .button-group .button {
        width: 100%; 
        margin-bottom: 10px;
    }
    .tool-container .button-group .button:last-child { margin-bottom: 0; }
    
    .site-footer { font-size: 15px; padding-top: 30px; } .footer-site-name { font-size: 25px; } 
    .footer-column-title { font-size: 18px; } 
    .footer-column.about-column .footer-site-description { font-size: 15px; } 
    .footer-column ul li a { font-size: 15px; } .footer-links-group { gap: 10px; } 
    .footer-links-group .footer-column.links-column { flex-basis: calc(50% - 5px); min-width: auto; text-align: left; } 
    .footer-buy-code-btn { font-size: 15px; padding: 6px 12px; } .copyright-text { font-size: 14px; } 
    .ad-top, .ad-bottom { max-width: 100%; } 
}
@media (min-width: 769px) and (max-width: 992px) { 
    .tool-layout-wrapper { flex-direction: column; align-items: center; } 
    .ad-top, .ad-bottom { max-width: 90%; } 
    .tool-layout-wrapper > .tool-container { margin-left: auto; margin-right: auto; } 
    .desktop-nav .desktop-nav-theme-toggle { margin-right: 10px; }
    .footer-main-container { flex-direction: column; align-items: center; } 
    .footer-column.about-column { flex-basis: 100%; text-align:center; min-width: unset; } 
    .footer-column.about-column .footer-social-icons { justify-content: center; } 
    .footer-links-group { width: 100%; justify-content: space-around; flex-direction: row; } 
    .footer-links-group .footer-column.links-column { flex-basis: calc(45% - 15px); min-width: 160px; text-align: left; } 
    .footer-column ul { text-align: left; } 
}
/* ... (आपका मौजूदा CSS) ... */

/* Specific styles for Advanced AdMob Calculator form */
.tool-container #calculatorForm .input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); /* Responsive grid */
    gap: 15px; /* Gap between columns and rows */
    margin-bottom: 20px;
}

.tool-container #calculatorForm .input-group-column {
    display: flex;
    flex-direction: column;
    gap: 5px; /* Space between label and input/select */
}

.tool-container #calculatorForm .form-label {
    font-size: clamp(13px, 2.5vw, 14px);
    color: var(--neumorphic-text-color);
    text-align: left;
    font-weight: 500;
    margin-bottom: 0; /* Adjusted due to gap in .input-group-column */
}

.tool-container #calculatorForm .input-grid input,
.tool-container #calculatorForm .input-grid select {
    width: 100%; /* Make inputs/selects take full width of their grid cell */
    padding: clamp(10px, 2vw, 12px) clamp(12px, 2.5vw, 15px);
    border: none;
    border-radius: 10px;
    font-size: clamp(14px, 3.5vw, 15px);
    background: var(--neumorphic-bg);
    box-shadow: inset 4px 4px 8px var(--neumorphic-shadow-dark), inset -4px -4px 8px var(--neumorphic-shadow-light);
    color: var(--neumorphic-text-color);
    outline: none;
}

.tool-container #calculatorForm .input-grid select {
    /* Basic appearance reset for better custom styling, can be expanded */
    /* appearance: none; */ /* Uncomment if you want to add custom arrow */
    /* For custom arrow, you might need a wrapper and a pseudo-element */
}


.tool-container #calculatorForm .input-grid input::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.tool-container #calculatorForm .input-grid input:focus,
.tool-container #calculatorForm .input-grid select:focus {
    background: var(--neumorphic-input-focus-bg);
    box-shadow: inset 2px 2px 5px var(--neumorphic-shadow-dark), inset -2px -2px 5px var(--neumorphic-shadow-light);
}

/* Adjustments for smaller screens if input-grid becomes too crowded */
@media (max-width: 480px) {
    .tool-container #calculatorForm .input-grid {
        grid-template-columns: 1fr; /* Stack all items on smallest screens */
    }
}

/* Ensure results and buttons are still centered well */
.tool-container .results {
    margin-top: 25px; /* Increased top margin a bit */
}
.tool-container .button-group {
    margin-top: 25px; /* Increased top margin a bit */
}

/* Responsiveness for results/buttons from previous CSS should still work */
@media (max-width: 768px) { 
    .tool-container .results, 
    .tool-container .button-group {
        flex-direction: column; /* This was already there, good. */
    }
}