/* Base Styles */
:root {
    /* Primary colors */
    --primary-color: #009dff;
    --primary-hover: #00ff88;
    --primary-dim: rgba(0, 157, 255, 0.1);
    
    /* Background colors */
    --bg-dark: #000000;
    --bg-darker: #000000;
    --card-bg: #181818;
    --input-bg: #242424;
    
    /* Text colors */
    --text-light: #ffffff;
    --text-gray: #888888;
    --text-muted: #666666;
    
    /* Status colors */
    --error-color: #ff4444;
    --success-color: #00ff88;
    
    /* Border color */
    --border-color: #222222;
    
    /* Effects */
    --shadow-color: rgba(0, 140, 255, 0.2);
    --transition-speed: 0.3s;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #000000;
    color: #ffffff;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Main container adjustments for better layout with navigation */
main {
    flex: 1;
    width: 100%;
    padding-top: 60px;
    display: flex;
    flex-direction: column;
}

/* Main Container - Single definition to avoid conflicts */
.container {
    width: 96%;
    max-width: 1024px;
    margin: 20px auto;
    padding: 28px;
    background-color: var(--bg-darker);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0, 157, 255, 0.2);
    border: 1px solid rgba(0, 157, 255, 0.1);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    z-index: 1;
}

/* Fix for form and other elements */
#marksForm {
    width: 100%;
}

/* Header Section */
.header {
    text-align: center;
    margin-bottom: 24px;
}

.header h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: 2.2em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.header p {
    color: #666;
    margin: 8px 0 0 0;
    font-size: 0.95em;
}

/* Sections */
.section {
    background-color: #161616;
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transform: translateZ(0);
    position: relative;
    overflow: hidden;
}

.section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
    pointer-events: none;
}

.section:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(0, 157, 255, 0.2);
    transform: translateY(-2px) translateZ(5px);
}

.section-title {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.25em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    background: rgba(0, 157, 255, 0.1);
    padding: 8px;
    border-radius: 8px;
}

/* Input Grid and Groups */
.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.input-group {
    margin-bottom: 8px;
    position: relative;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #ccc;
    font-size: 0.95em;
    font-weight: 500;
}

.input-group .max-marks {
    color: #666;
    font-size: 0.85em;
    position: absolute;
    right: 12px;
    top: 8px;
}

/* Form Elements */
input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #2a2a2a;
    border-radius: 10px;
    background-color: #1a1a1a;
    color: #fff;
    font-size: 16px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 157, 255, 0.15);
}

input:hover {
    border-color: #444;
}

/* Button Styles */
button {
    width: 100%;
    padding: 16px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin: 24px 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

button:hover {
    background-color: #00b3ff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 157, 255, 0.2);
}

button:active {
    transform: translateY(0);
}

/* Results Section */
.result-section {
    background: linear-gradient(145deg, #161616, #1a1a1a);
    padding: 28px;
    border-radius: 12px;
    margin-top: 24px;
    display: none;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
}

.result-section::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.result-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.02) 0%,
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.1) 100%
    );
    pointer-events: none;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 16px;
    background-color: #1e1e1e;
    border-radius: 10px;
    transition: all 0.3s ease;
    transform: translateZ(0);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid #2d2d2d;
}

.result-item:hover {
    background-color: #222;
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.result-item.total-marks {
    background-color: rgba(0, 157, 255, 0.1);
    border: 1px solid rgba(0, 157, 255, 0.2);
}

.result-label {
    color: #ccc;
    font-size: 0.95em;
    font-weight: 500;
}

.result-value {
    font-weight: 600;
    color: #00ff88;
    font-size: 1.1em;
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

/* Download button fix */
a.download-button, button.download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

a.download-button:hover, button.download-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 157, 255, 0.3);
}

a.download-button:active, button.download-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Fix for button in menu navigation */
button.menu-button {
    background-color: transparent !important;
    box-shadow: none !important;
    border-radius: 50% !important;
    width: auto !important;
    margin: 0 !important;
    padding: 8px !important;
    font-size: 1.5rem !important;
    color: var(--text-light) !important;
    z-index: 1000 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Eligibility Styles */
.eligibility {
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    font-weight: 600;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.eligible {
    background-color: rgba(0, 255, 136, 0.1);
    color: #00ff88;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.not-eligible {
    background-color: rgba(255, 68, 68, 0.1);
    color: #ff4444;
    border: 1px solid rgba(255, 68, 68, 0.2);
}

/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-block;
    margin-left: 8px;
    color: #666;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

.tooltip-text {
    visibility: hidden;
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 8px 12px;
    border-radius: 6px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85em;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
}
/* Grade Table Styles */
.grade-table {
    width: 100%;
    margin-top: 24px;
    border-collapse: separate;
    border-spacing: 0;
    display: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.grade-table th,
.grade-table td {
    padding: 14px;
    text-align: left;
    border: 1px solid #2a2a2a;
}

.grade-table th {
    background-color: #1a1a1a;
    color: var(--primary-color);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85em;
    letter-spacing: 0.05em;
}

.grade-table tr:nth-child(even) {
    background-color: rgba(30, 30, 30, 0.7);
}

.grade-table tr:hover td {
    background-color: rgba(0, 157, 255, 0.05);
}

/* Footer Section */
.footer {
    position: relative;
    background-color: var(--footer-bg);
    color: var(--text-light);
    padding: 3rem 1.5rem 1.5rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.footer-section h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-section p {
    margin: 10px 0;
    transition: transform 0.3s ease;
    line-height: 1.6;
}

.footer-section p:hover {
    transform: translateY(-2px);
}

.tagline {
    font-style: italic;
    color: #888888;
    font-size: 0.9rem;
    margin-top: 5px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-section ul li a::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--text-light);
    padding-left: 20px;
}

.footer-section ul li a:hover::before {
    transform: translateX(3px);
}

.feedback-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
    transition: all 0.3s ease;
    background: transparent;
    position: relative;
    overflow: hidden;
    margin-top: 10px;
}

.feedback-link:hover {
    color: var(--text-light);
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 157, 255, 0.2);
}

.feedback-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.feedback-link:active::before {
    width: 200px;
    height: 200px;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(160, 160, 160, 0.2);
}

.developer-name {
    font-weight: 500;
    color: #b8b8b8;
    transition: all 0.3s ease;
}

.developer-name:hover {
    color: var(--text-light);
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(0, 157, 255, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0, 157, 255, 0.3);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .tools-container {
        max-width: 100%;
        padding: 0 1.5rem;
    }
}

/* Mobile Responsive Styles - Enhanced for better experience */
@media screen and (max-width: 768px) {
    html, body {
        overflow-x: hidden;
        font-size: 15px;
    }
    
    body {
        position: relative;
        width: 95%;
    }
    
    /* Container adjustments */
    .container {
        width: 92%;
        padding: 16px;
        margin: 12px auto;
        border-radius: 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    main {
        padding-top: 70px;
        padding-bottom: 30px;
    }
    
    /* Header improvements */
    .header h1 {
        font-size: 1.8rem;
        gap: 8px;
    }
    
    .header p {
        font-size: 0.9rem;
        margin-top: 6px;
    }
    
    /* Better section styling */
    .section {
        padding: 16px;
        margin-bottom: 16px;
        border-radius: 10px;
    }
    
    .section-title {
        font-size: 1.1rem;
        margin-bottom: 16px;
        gap: 8px;
    }
    
    /* Form elements optimization */
    .input-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .input-group {
        margin-bottom: 12px;
    }
    
    input {
        padding: 12px;
        font-size: 1rem;
        border-radius: 8px;
    }
    
    /* Button adjustments */
    button {
        padding: 14px;
        margin: 16px 0;
        font-size: 1rem;
        border-radius: 10px;
    }
    
    /* Results section */
    .result-section {
        padding: 20px;
    }
    
    .result-item {
        padding: 12px;
        margin-bottom: 10px;
    }
    
    .result-label {
        font-size: 0.9rem;
    }
    
    .result-value {
        font-size: 1rem;
    }
    
    /* Eligibility section */
    .eligibility {
        padding: 16px;
        font-size: 1rem;
        gap: 8px;
    }
    
    /* Tool cards */
    .tools-container {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 8px;
    }
    
    .tool-card {
        padding: 16px;
        min-height: auto;
    }
    
    .tool-card i {
        font-size: 2rem;
        margin-bottom: 10px;
    }
    
    .tool-card h3 {
        font-size: 1rem;
        margin-bottom: 6px;
    }
    
    .tool-card p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    /* Navigation adjustments */
    .mobile-menu-button {
        top: 12px;
        right: 12px;
        padding: 10px 14px;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    /* Footer adjustments */
    .footer {
        padding: 2rem 1rem 1rem;
        margin-top: 2rem;
    }
    
    .footer-content {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .social-links {
        justify-content: center;
        margin-top: 12px;
    }
    
    /* Grade table */
    .grade-table th,
    .grade-table td {
        padding: 10px;
        font-size: 0.9rem;
    }
}

/* Very small screens optimization */
@media screen and (max-width: 480px) {
    html, body {
        font-size: 14px;
    }
    
    .container {
        width: 94%;
        padding: 14px;
        margin: 10px auto;
    }
    
    .header h1 {
        font-size: 1.6rem;
    }
    
    .section {
        padding: 14px;
    }
    
    input {
        padding: 10px;
    }
    
    .tool-card {
        padding: 14px;
    }
    
    .tool-card i {
        font-size: 1.8rem;
    }
    
    .eligibility {
        padding: 12px;
        font-size: 0.95rem;
    }
    
    .result-item {
        padding: 10px;
    }
    
    .footer {
        padding: 1.5rem 1rem 1rem;
    }
    
    /* Improved tap targets for better accessibility */
    button, 
    .feedback-link,
    .social-link,
    .tool-card {
        min-height: 44px;
    }
    
    .input-group label {
        margin-bottom: 6px;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .tool-card, 
    .tool-card::before,
    .tool-card i,
    .footer::before,
    .footer-section p,
    .feedback-link,
    .footer-section ul li a,
    .footer-section ul li a::before,
    .social-link {
        transition: none;
        transform: none;
        animation: none;
    }
    
    .tool-card:hover,
    .tool-card:hover i {
        transform: none;
    }
}

/* Scrollbar - Make it smaller and minimal */
::-webkit-scrollbar {
    width: 3px;
    height: 3px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.02);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) rgba(0, 0, 0, 0.02);
}

/*** Related Tools Section ***/
/* Modified Related Tools Section CSS */
.related-tools {
    margin: 3rem auto;
    padding: 3rem 1.5rem;
    max-width: 1200px;
    background-color: #000;
    color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.related-tools h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--primary-color);
}

.tools-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.tool-card {
    text-decoration: none;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.8rem;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-speed) ease, 
                box-shadow var(--transition-speed) ease, 
                background-color var(--transition-speed) ease;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: 1px solid var(--border-color);
    height: 100%;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: height var(--transition-speed) ease;
    z-index: -1;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
    background-color: var(--card-bg-hover);
}

.tool-card:hover::before {
    height: 100%;
    opacity: 0.1;
}

.tool-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    transition: transform var(--transition-speed) ease, 
                color var(--transition-speed) ease;
}

.tool-card:hover i {
    transform: scale(1.2);
    color: var(--secondary-color);
}

.tool-card h3 {
    margin-bottom: 0.8rem;
    color: var(--text-bright);
}

.tool-card p {
    color: var(--text-muted);
}

/* Add this Font Awesome icon fixes section before the IA calculator specific styles */
/* Font Awesome icon fixes */
i.fas, i.far, i.fab, i.fa {
    display: inline-block !important;
    font-style: normal !important;
    font-variant: normal !important;
    font-family: "Font Awesome 5 Free", "Font Awesome 5 Brands" !important;
}
.tool-card p { color: var(--text-muted); }