/* ==========================================================================
   Global Variables & Base Styles for Toolem.com
   ========================================================================== */

/* -------------------------------------------------------------------------- */
/* ! Global Variables                                                         */
/* -------------------------------------------------------------------------- */
:root {
    /* -- Colors -- */
    /* Light Mode (Default) */
    --color-background: #f4f1ed; /* Main background */
    --color-surface: #ffffff;    /* Card / Container background */
    --color-primary: #3a4d39;    /* Dark green/gray for buttons, footer bar */
    --color-secondary: #739072;  /* Accent color (optional) */
    --color-text: #333333;       /* Default text color */
    --color-text-muted: #666666; /* Lighter text */
    --color-border: #e0e0e0;     /* Borders */
    --color-accent-red: #e74c3c;  /* For labels/highlights */
    --color-button-text: #ffffff; /* Text on primary buttons */
    --color-logo-filter: none;      /* No filter for light mode logo */

    /* -- Fonts -- */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Georgia', serif; /* Example for headings or logo */
    --font-size-base: 16px;
    --font-size-sm: 0.875rem; /* 14px */
    --font-size-md: 1rem;     /* 16px */
    --font-size-lg: 1.125rem; /* 18px */
    --font-size-xl: 1.5rem;   /* 24px */
    --font-size-xxl: 2rem;    /* 32px */
    --font-weight-normal: 400;
    --font-weight-bold: 700;

    /* -- Layout & Spacing -- */
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 1rem;    /* 16px */
    --spacing-lg: 1.5rem;  /* 24px */
    --spacing-xl: 2rem;    /* 32px */
    --spacing-xxl: 3rem;   /* 48px */
    --container-max-width: 1200px;
    --header-height: 80px; /* Adjust as needed */
    --sidebar-width: 200px; /* Adjust as needed */
    --border-radius: 15px; /* Rounded corners from reference */

    /* -- Transitions -- */
    --transition-speed: 0.3s;

    /* -- Blog Section -- */
    --blog-posts-to-show: 3; /* Number of blog posts to display */

    /* -- Z-Indexes -- */
    --z-index-header: 1000;
    --z-index-dropdown: 1010;
    --z-index-overlay: 900;
}

/* -------------------------------------------------------------------------- */
/* ! Dark Mode Variables                                                      */
/* -------------------------------------------------------------------------- */
[data-theme='dark'] {
    --color-background: #2c2c2c;
    --color-surface: #3a3a3a;
    --color-primary: #86a789;    /* Lighter green for dark mode */
    --color-secondary: #b2c8ba;
    --color-text: #e0e0e0;
    --color-text-muted: #aaaaaa;
    --color-border: #555555;
    --color-button-text: #1a1a1a;
    --color-logo-filter: invert(1) hue-rotate(180deg); /* Basic filter to make dark logo look okay on dark bg */
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
}

/* Basic button styling */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--color-primary);
    color: var(--color-button-text);
    font-weight: var(--font-weight-bold);
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
}

.btn:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    text-decoration: none; /* Remove underline on hover for buttons */
}

/* Helper class for screen readers only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   Layout Structure
   ========================================================================== */

.page-wrapper {
    display: flex;
    flex-grow: 1;
    padding-top: var(--header-height); /* Avoid content overlapping fixed header */
}

/* Sidebar Styles (Shared) */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-surface); /* Or inherit from body bg if needed */
    padding: var(--spacing-lg);
    flex-shrink: 0; /* Prevent sidebars from shrinking */
    border-radius: var(--border-radius);
    margin: var(--spacing-lg); /* Add margin around sidebars */
    align-self: flex-start; /* Align to top */
    /* Placeholder styling */
    min-height: 300px; /* Example minimum height */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-muted);
    border: 1px dashed var(--color-border);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

/* Hide sidebars on smaller screens */
@media (max-width: 1024px) {
    .sidebar {
        display: none; /* Hide sidebars on tablet and mobile */
    }
}


/* Central Content Area */
.central-content {
    flex-grow: 1; /* Takes remaining space */
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents flex items from overflowing */
}

/* ==========================================================================
   Header (header.html)
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--color-surface);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: var(--z-index-header);
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
}

/* Header Left: Theme Toggle */
.header-left .theme-toggle {
    background-color: var(--color-primary);
    color: var(--color-button-text);
    border: none;
    padding: var(--spacing-sm);
    border-radius: 50px; /* Make it pill-shaped */
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: background-color var(--transition-speed) ease;
}
.header-left .theme-toggle:hover {
     background-color: var(--color-secondary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--color-button-text);
}

/* Header Center: Logo & Title */
.header-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Position adjustment if needed to truly center between side buttons */
     position: absolute;
     left: 50%;
     transform: translateX(-50%);
}

.header-logo img {
    height: 35px; /* Adjust logo size */
    margin-bottom: var(--spacing-xs);
    filter: var(--color-logo-filter); /* Apply filter for dark mode */
    transition: filter var(--transition-speed) ease;
}

.header-page-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-normal);
    color: var(--color-text-muted);
    margin: 0; /* Reset heading margin */
}

/* Header Right: Navigation */
.header-right {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-button {
    background-color: var(--color-primary);
    color: var(--color-button-text);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px; /* Pill shape */
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
    transition: background-color var(--transition-speed) ease;
}
.nav-button:hover {
     background-color: var(--color-secondary);
}

.nav-button .menu-icon {
    font-weight: bold;
    font-size: 1.2em; /* Make hamburger icon slightly larger */
}

.nav-dropdown {
    position: relative; /* Context for absolute positioning */
}

.dropdown-content {
    display: none; /* Hidden by default */
    position: absolute;
    top: calc(100% + var(--spacing-sm)); /* Position below button */
    right: 0;
    background-color: var(--color-surface);
    min-width: 220px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: var(--z-index-dropdown);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) 0;
    border: 1px solid var(--color-border);
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.dropdown-content.show {
    display: block; /* Show when active */
}

.dropdown-content h4 { /* Category titles */
    padding: var(--spacing-sm) var(--spacing-lg);
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.dropdown-content a {
    color: var(--color-text);
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    display: block;
    font-size: var(--font-size-md);
}

.dropdown-content a:hover {
    background-color: var(--color-background); /* Subtle hover effect */
    color: var(--color-primary);
    text-decoration: none;
}


/* Header Responsive Adjustments */
@media (max-width: 768px) {
    .site-header {
        padding: 0 var(--spacing-md);
        height: auto; /* Allow height to adjust */
        min-height: var(--header-height);
        flex-wrap: wrap; /* Allow items to wrap */
        justify-content: space-between; /* Keep toggle left, nav right */
    }

     .header-center {
        order: -1; /* Move logo/title to top */
        width: 100%; /* Take full width */
        padding-top: var(--spacing-sm); /* Add some space */
        position: static; /* Remove absolute positioning */
        transform: none;
        margin-bottom: var(--spacing-sm);
    }

    .header-left {
       /* Position adjusted by space-between */
    }

     .header-right {
       /* Position adjusted by space-between */
    }

    .nav-button span:not(.menu-icon) {
        display: none; /* Hide text labels on mobile */
    }
     .nav-button {
         padding: var(--spacing-sm); /* Adjust padding */
     }

    .dropdown-content {
        min-width: 180px; /* Smaller dropdown on mobile */
    }
}

@media (max-width: 480px) {
     .header-logo img {
        height: 25px; /* Smaller logo */
    }
    .header-page-title {
        font-size: var(--font-size-sm);
    }
    .nav-button {
        font-size: var(--font-size-sm);
    }
     .header-left .theme-toggle {
        font-size: var(--font-size-sm);
     }
}

/* ==========================================================================
   Main Container (main container.html)
   ========================================================================== */
.main-content-area {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg); /* Margin matching sidebars */
    flex-grow: 1; /* Allow it to grow if content is short */
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: background-color var(--transition-speed) ease;
    min-height: 400px; /* Example min height */
    /* Placeholder styling */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
}

/* ==========================================================================
   Ads Banner (ads-banner.html)
   ========================================================================== */
.ads-banner-container {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    margin: var(--spacing-lg); /* Consistent margin */
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    border: 1px dashed var(--color-border);
    min-height: 90px; /* Standard banner height */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}
/* Example for actual ad script */
.ads-banner-container .adsbygoogle {
   /* Styles provided by Google AdSense */
}


/* ==========================================================================
   Tool Slider (toolslider.html)
   ========================================================================== */
.tool-slider-section {
    padding: var(--spacing-xl) 0; /* Padding top/bottom */
    margin: var(--spacing-lg);
    border-radius: var(--border-radius);
    background-color: var(--color-surface); /* Slider background */
    transition: background-color var(--transition-speed) ease;
}

.tool-slider-container {
    max-width: var(--container-max-width);
    margin: 0 auto; /* Center the slider content */
    overflow: hidden; /* Crucial for slider effect */
    position: relative; /* For potential controls */
}

.tool-slider-wrapper {
    display: flex;
    /* Animation will be applied via JS/CSS later */
    width: fit-content; /* Adjust width based on slides */
    /* Basic right-to-left animation example */
     animation: slide 30s linear infinite;
}

/* Simple CSS Animation (replace with JS for control) */
@keyframes slide {
    0% { transform: translateX(0%); }
    100% { transform: translateX(-50%); } /* Adjust percentage based on total slides */
}

.tool-slide-card {
    flex: 0 0 auto; /* Prevent shrinking/growing */
    width: calc((100% / 5) - var(--spacing-md)); /* Show 5 cards approx, adjust gap */
    max-width: 250px; /* Max width per card */
    margin-right: var(--spacing-md); /* Gap between cards */
    background-color: var(--color-background); /* Card background */
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    transition: background-color var(--transition-speed) ease, transform 0.2s ease;
}

.tool-slide-card:hover {
    transform: translateY(-5px);
}


.tool-card-category {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--color-accent-red);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 5px;
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.tool-card-image img {
    width: 60px; /* Adjust image size */
    height: 60px;
    margin: 0 auto var(--spacing-md);
    object-fit: contain; /* Ensure logo fits */
    filter: var(--color-logo-filter); /* Dark mode adjustment */
}

.tool-card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.tool-card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    min-height: 50px; /* Prevent height jumps */
}

.tool-card-button {
   /* Uses .btn styles */
}

/* Slider Responsive: Show fewer items */
@media (max-width: 1200px) {
    .tool-slide-card {
        width: calc((100% / 4) - var(--spacing-md)); /* Show 4 */
    }
}
@media (max-width: 992px) {
    .tool-slide-card {
        width: calc((100% / 3) - var(--spacing-md)); /* Show 3 */
    }
}
@media (max-width: 768px) {
    .tool-slide-card {
        width: calc((100% / 2) - var(--spacing-md)); /* Show 2 */
    }
    .tool-slider-section {
        margin-left: var(--spacing-md);
        margin-right: var(--spacing-md);
    }
}
@media (max-width: 576px) {
    .tool-slide-card {
        width: calc(100% - var(--spacing-md)); /* Show 1 */
        max-width: none;
    }
     /* Adjust animation if needed for single item view */
}

/* ==========================================================================
   Blog Section (blogsection.html)
   ========================================================================== */
.blog-section {
    padding: var(--spacing-xxl) var(--spacing-lg); /* More padding */
    margin: var(--spacing-lg);
    border-radius: var(--border-radius);
    background-color: var(--color-surface);
    transition: background-color var(--transition-speed) ease;
}

.blog-section h2 {
    text-align: center;
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-xl);
}

.blog-grid {
    display: grid;
     /* Use CSS variable to control columns */
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.blog-post-card {
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden; /* Clip image */
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: background-color var(--transition-speed) ease, transform 0.2s ease;
}

.blog-post-card:hover {
    transform: translateY(-5px);
}

.blog-card-image img {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover; /* Cover the area */
}

.blog-card-content {
    padding: var(--spacing-lg);
}

.blog-card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.blog-card-title a {
    color: var(--color-text);
}
.blog-card-title a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.blog-card-excerpt {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    /* Limit text lines */
    display: -webkit-box;
    -webkit-line-clamp: 3; /* Show 3 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-readmore {
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--color-primary);
}
.blog-card-readmore:hover {
     text-decoration: underline;
}

/* ==========================================================================
   Footer (footer.html)
   ========================================================================== */
.site-footer {
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    padding-top: var(--spacing-xxl);
    margin-top: auto; /* Push footer to bottom */
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    transition: background-color var(--transition-speed) ease;
}

.footer-main {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* Footer: Newsletter */
.footer-newsletter h4,
.footer-links h4 {
    color: var(--color-text);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    font-weight: bold;
}

.newsletter-form {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: 50px; /* Pill shape */
    overflow: hidden; /* Clip button corners */
    max-width: 350px;
    transition: border-color var(--transition-speed) ease;
}

.newsletter-form input[type="email"] {
    flex-grow: 1;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    background-color: transparent; /* Inherit background */
    color: var(--color-text);
    font-size: var(--font-size-md);
    outline: none;
}

.newsletter-form button {
    background-color: var(--color-primary);
    color: var(--color-button-text);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    font-size: 1.5em; /* Arrow size */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed) ease;
}
.newsletter-form button:hover {
    background-color: var(--color-secondary);
}


/* Footer: Logo & Description */
.footer-about {
    text-align: center; /* Center content in its column */
}

.footer-logo img {
    height: 40px; /* Adjust logo size */
    margin: 0 auto var(--spacing-md);
    filter: var(--color-logo-filter);
    transition: filter var(--transition-speed) ease;
}

/* Footer: Links */
.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li a {
    color: var(--color-text-muted);
    font-size: var(--font-size-md);
}
.footer-links ul li a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-links-columns {
    display: flex;
    gap: var(--spacing-xl); /* Space between Popular and Trending columns */
}


/* Footer: Bottom Bar */
.footer-bottom {
    background-color: var(--color-primary); /* Dark background */
    color: #e0e0e0; /* Light text on dark background */
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xl);
    transition: background-color var(--transition-speed) ease;
}

.footer-bottom-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-copyright {
    font-size: var(--font-size-sm);
}

.footer-bottom-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* Center links if they wrap */
    gap: var(--spacing-md);
}

.footer-bottom-nav ul li a {
    color: #e0e0e0; /* Light link color */
    font-size: var(--font-size-sm);
}
.footer-bottom-nav ul li a:hover {
    text-decoration: underline;
    color: #ffffff;
}

/* Footer Responsive */
@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr; /* Stack columns */
        text-align: center; /* Center text in stacked columns */
    }
    .footer-about, .footer-links {
        margin-top: var(--spacing-lg);
    }
     .footer-links-columns {
        justify-content: center; /* Center the link columns */
    }
    .newsletter-form {
        margin: 0 auto; /* Center newsletter form */
    }
    .footer-bottom-content {
        flex-direction: column; /* Stack copyright and nav */
    }
}