:root {
    --primary-dark: #222831;
    --secondary-dark: #393E46;
    --accent-orange: #FD7014;
    --light-gray: #EEEEEE;
}

/* Base Elements */
body {
    background-color: var(--primary-dark) !important;
    color: var(--light-gray) !important;
    font-family: 'Poppins', sans-serif !important;
    line-height: 1.6 !important;
    overflow-x: hidden;
    padding-top: 80px;
    letter-spacing: 0.2px !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Raleway', sans-serif !important;
    margin-bottom: 1.2rem !important;
    color: var(--accent-orange) !important;
    font-weight: 600 !important;
}

p {
    margin-bottom: 1.5rem !important;
    font-size: 1rem !important;
    line-height: 1.8 !important;
}

/* Layout */
.container {
    padding: 40px 20px !important;
    max-width: 1200px !important;
}

section {
    padding: 80px 0 !important;
    position: relative;
    margin-bottom: 30px;
}

.row {
    margin: 0 -20px !important;
}

/* Header */
#header {
    background-color: var(--secondary-dark) !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2) !important;
    padding: 10px 0 !important;
}

.header-scrolled {
    background-color: var(--primary-dark) !important;
}

.logo h1 {
    margin: 0 !important;
    font-size: 32px !important;
    font-weight: 800 !important;
}

.logo img {
    max-height: 50px !important;
    margin-right: 8px !important;
}

.navbar {
    padding: 0 !important;
}

.navbar ul {
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.navbar li {
    padding: 0 !important;
    margin: 0 5px !important;
}

.navbar a.nav-link {
    color: var(--light-gray) !important;
    padding: 10px 15px !important;
    font-weight: 500 !important;
    transition: all 0.3s ease !important;
    border-radius: 0 !important;
    position: relative !important;
    text-transform: none !important;
}

.navbar a.nav-link:before {
    content: "" !important;
    position: absolute !important;
    width: 0 !important;
    height: 3px !important;
    bottom: 0 !important;
    left: 50% !important;
    background-color: var(--accent-orange) !important;
    transform: translateX(-50%) !important;
    transition: all 0.3s ease !important;
}

.navbar a.nav-link:hover:before,
.navbar a.nav-link.active:before {
    width: 60% !important;
}

.navbar a.nav-link.active {
    color: var(--accent-orange) !important;
    font-weight: bold !important;
}

.navbar a.nav-link:hover {
    color: var(--accent-orange) !important;
    border-bottom: none !important;
}

/* Hero Section */
#hero {
    width: 100% !important;
    height: 60vh !important;
    background: linear-gradient(to bottom, rgba(34, 40, 49, 0.8), rgba(34, 40, 49, 0.9)), url("../assets/img/hero-bg.jpg") center center !important;
    background-size: cover !important;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
}

.hero-container {
    max-width: 800px !important;
    padding: 0 20px !important;
}

#hero h1 {
    font-size: 4rem !important;
    margin-bottom: 20px !important;
    color: var(--light-gray) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5) !important;
}

.hero-subtitle {
    color: var(--light-gray) !important;
    font-size: 1.4rem !important;
    margin-bottom: 30px !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5) !important;
}

/* Card Design */
.feature-card {
    background: linear-gradient(145deg, var(--secondary-dark), var(--primary-dark)) !important;
    border-radius: 15px !important;
    padding: 30px !important;
    margin-bottom: 30px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 
                0 1px 5px rgba(0, 0, 0, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    transition: all 0.3s ease !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
}

.feature-card:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 15px 30px rgba(253, 112, 20, 0.2) !important;
}

.icon-box {
    height: 100% !important;
    margin-bottom: 30px !important;
}

/* About Section */
.about {
    background-color: var(--secondary-dark) !important;
    position: relative !important;
    overflow: hidden !important;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23393E46' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") !important;
    background-attachment: fixed !important;
}

.about::before {
    content: "" !important;
    position: absolute !important;
    top: -100px !important;
    left: 0 !important;
    width: 100% !important;
    height: 150px !important;
    background: var(--primary-dark) !important;
    transform: skewY(-3deg) !important;
}

.about .content {
    height: 100% !important;
}

.about h2 {
    position: relative !important;
    margin-bottom: 30px !important;
}

.about h2::after {
    content: '' !important;
    position: absolute !important;
    bottom: -10px !important;
    left: 0 !important;
    width: 60px !important;
    height: 3px !important;
    background-color: var(--accent-orange) !important;
}

/* Button Styles */
.btn-custom {
    background: linear-gradient(45deg, var(--accent-orange), #e65c0a) !important;
    color: var(--light-gray) !important;
    border: none !important;
    padding: 12px 25px !important;
    border-radius: 25px !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    font-weight: 600 !important;
    display: inline-block !important;
    text-decoration: none !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 
                0 1px 3px rgba(0, 0, 0, 0.1) !important;
    font-size: 0.9rem !important;
}

.btn-custom:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(253, 112, 20, 0.4) !important;
    color: var(--light-gray) !important;
    text-decoration: none !important;
}

/* Footer */
.primary-footer {
    background-color: var(--secondary-dark) !important;
    padding: 0 !important;
}

.copyright-wrap {
    background-color: var(--primary-dark) !important;
    padding: 30px 0 !important;
}

.copyright-wrap .panel .content {
    text-align: center !important;
    max-width: 800px !important;
    margin: 0 auto !important;
    padding: 0 20px !important;
}

.copyright-wrap .panel .content p {
    color: var(--light-gray) !important;
    margin-bottom: 15px !important;
}

.copyright-wrap .panel .content p a {
    color: var(--light-gray) !important;
    transition: color 0.3s ease !important;
}

.copyright-wrap .panel .content p a:hover {
    color: var(--accent-orange) !important;
}

.copyright-wrap .panel .content img {
    max-height: 50px !important;
    margin-bottom: 15px !important;
}

/* Social Media Icons */
.social-icons a {
    display: inline-block !important;
    margin: 0 10px !important;
    transition: all 0.3s ease !important;
}

.social-icons a:hover {
    transform: translateY(-3px) !important;
}

.social-icons img {
    width: 30px !important;
    height: 30px !important;
}

/* Back to Top */
.back-to-top {
    position: fixed !important;
    visibility: hidden !important;
    opacity: 0 !important;
    right: 30px !important;
    bottom: 30px !important;
    z-index: 996 !important;
    background: var(--accent-orange) !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    transition: all 0.4s !important;
}

.back-to-top i {
    font-size: 28px !important;
    color: var(--light-gray) !important;
    line-height: 0 !important;
}

.back-to-top:hover {
    background: #e65c0a !important;
    transform: scale(1.1) !important;
}

.back-to-top.active {
    visibility: visible !important;
    opacity: 1 !important;
}

/* Responsive Design */
@media (max-width: 992px) {
    #hero h1 {
        font-size: 3rem !important;
    }
    
    .hero-subtitle {
        font-size: 1.2rem !important;
    }
    
    .navbar ul {
        display: none !important;
    }
    
    .mobile-nav-toggle {
        display: block !important;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0 !important;
    }
    
    #hero {
        height: 50vh !important;
    }
    
    #hero h1 {
        font-size: 2.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
    }
    
    .about::before {
        display: none !important;
    }
    
    .feature-card {
        padding: 20px !important;
    }
}

@media (max-width: 576px) {
    #hero h1 {
        font-size: 2rem !important;
    }
    
    .container {
        padding: 30px 15px !important;
    }
    
    .back-to-top {
        right: 15px !important;
        bottom: 15px !important;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Image Container */
.image-container {
    margin-bottom: 30px !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2) !important;
}

.image-container img {
    width: 100% !important;
    transition: transform 0.3s ease !important;
}

.image-container:hover img {
    transform: scale(1.03) !important;
}

/* Enhanced UI Elements */
.navbar {
    background-color: var(--secondary-dark) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand, .nav-link {
    color: var(--light-gray) !important;
    transition: color 0.3s ease;
}

.navbar-brand:hover, .nav-link:hover {
    color: var(--accent-orange) !important;
}

.card {
    background-color: var(--secondary-dark) !important;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background-color: var(--accent-orange) !important;
    border: none !important;
    padding: 10px 20px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #e65c0a !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(253, 112, 20, 0.3);
}

.form-control {
    background-color: var(--light-gray) !important;
    border: 1px solid var(--secondary-dark) !important;
    border-radius: 5px;
    color: var(--primary-dark) !important;
}

.form-control:focus {
    background-color: var(--light-gray) !important;
    border-color: var(--accent-orange) !important;
    box-shadow: 0 0 0 3px rgba(253, 112, 20, 0.2) !important;
    outline: none !important;
}

/* Enhanced Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--secondary-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-orange);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e65c0a;
}

/* Enhanced Section Headers */
.section-header {
    color: var(--accent-orange) !important;
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 30px;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-orange);
}

/* Enhanced Cards */
.feature-card {
    background: linear-gradient(145deg, var(--secondary-dark), var(--primary-dark)) !important;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(253, 112, 20, 0.2);
}

/* Enhanced Buttons */
.btn-custom {
    background: linear-gradient(45deg, var(--accent-orange), #e65c0a) !important;
    color: var(--light-gray) !important;
    border: none !important;
    padding: 12px 25px;
    border-radius: 25px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(253, 112, 20, 0.4);
    color: var(--light-gray) !important;
}

/* Enhanced Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    color: var(--light-gray) !important;
    margin-bottom: 8px;
    font-weight: 500 !important;
    font-size: 0.95rem !important;
}

/* Enhanced Tables */
.table {
    color: var(--light-gray) !important;
    background-color: var(--secondary-dark) !important;
    border-radius: 10px;
    overflow: hidden;
}

.table thead th {
    background-color: var(--primary-dark) !important;
    color: var(--accent-orange) !important;
    border: none;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    border-bottom: 2px solid var(--accent-orange) !important;
    text-transform: uppercase !important;
    font-size: 0.85rem !important;
}

.table tbody tr:hover {
    background-color: rgba(253, 112, 20, 0.1);
}

/* Enhanced Alerts */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-left: 4px solid #dc3545;
}

/* Contact Form Styles */
.contact1 {
    background-color: var(--primary-dark) !important;
}

.container-contact1 {
    background-color: var(--secondary-dark) !important;
}

.input1 {
    background-color: var(--light-gray) !important;
    color: var(--primary-dark) !important;
}

.input1:focus {
    box-shadow: 0 0 0 3px rgba(253, 112, 20, 0.25);
}

.contact1-form-btn {
    background-color: var(--accent-orange) !important;
    color: var(--light-gray) !important;
}

.contact1-form-btn:hover {
    background-color: #e65c0a !important;
    box-shadow: 0 5px 15px rgba(253, 112, 20, 0.4);
}

/* Professional Touches */
body {
    letter-spacing: 0.2px !important;
}

/* Add subtle pattern background */
.about, .predict-section, .section-bg {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23393E46' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") !important;
    background-attachment: fixed !important;
}

/* Enhance card shadows */
.feature-card {
    text-align: justify;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15), 
                0 1px 5px rgba(0, 0, 0, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

/* Professional buttons */
.btn-custom {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 
                0 1px 3px rgba(0, 0, 0, 0.1) !important;
    font-size: 0.9rem !important;
    letter-spacing: 1px !important;
}

/* Focus styles for better accessibility */
.form-control:focus {
    box-shadow: 0 0 0 3px rgba(253, 112, 20, 0.2) !important;
    outline: none !important;
}

/* Dark mode optimized tables */
.table thead th {
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    border-bottom: 2px solid var(--accent-orange) !important;
    text-transform: uppercase !important;
    font-size: 0.85rem !important;
}

/* Better form labels */
.form-label {
    font-weight: 500 !important;
    margin-bottom: 8px !important;
    color: var(--accent-orange) !important;
    font-size: 0.95rem !important;
}

/* Code style */
code {
    background-color: rgba(253, 112, 20, 0.1) !important;
    padding: 2px 6px !important;
    border-radius: 3px !important;
    color: var(--accent-orange) !important;
    font-family: 'Courier New', monospace !important;
    font-size: 0.9em !important;
}

/* Page Loading Animation */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 9999;
    background: linear-gradient(to right, var(--primary-dark), var(--primary-dark));
    transform: translateX(-100%);
}

.page-loader.loading {
    animation: pageLoadingBar 1s ease forwards;
}

@keyframes pageLoadingBar {
    0% {
        background: linear-gradient(to right, var(--accent-orange), var(--accent-orange));
        transform: translateX(-100%);
    }
    50% {
        background: linear-gradient(to right, var(--accent-orange), var(--accent-orange));
        transform: translateX(-10%);
    }
    100% {
        background: linear-gradient(to right, var(--accent-orange), var(--primary-dark));
        transform: translateX(0%);
    }
}

/* Enhanced Form Styling */
.form-group {
    position: relative !important;
    margin-bottom: 25px !important;
}

.form-control {
    background-color: rgba(238, 238, 238, 0.05) !important;
    border: 1px solid rgba(238, 238, 238, 0.1) !important;
    border-radius: 8px !important;
    padding: 12px 15px !important;
    color: var(--light-gray) !important;
    transition: all 0.3s ease !important;
    font-size: 0.95rem !important;
}

.form-control:focus {
    background-color: rgba(238, 238, 238, 0.08) !important;
    border-color: var(--accent-orange) !important;
}

textarea.form-control {
    min-height: 120px !important;
    resize: vertical !important;
}

.form-group.focused .form-label {
    color: var(--accent-orange) !important;
    transform: translateY(-5px) !important;
}

/* Custom checkbox styling */
.custom-checkbox .custom-control-label::before {
    border-radius: 4px !important;
    background-color: rgba(238, 238, 238, 0.05) !important;
    border: 1px solid rgba(238, 238, 238, 0.2) !important;
}

.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--accent-orange) !important;
    border-color: var(--accent-orange) !important;
}

/* Form success message */
.form-success-message {
    display: none;
    padding: 15px 20px !important;
    background-color: rgba(40, 167, 69, 0.1) !important;
    border-left: 4px solid #28a745 !important;
    border-radius: 4px !important;
    margin-top: 20px !important;
}

.form-success-message.show {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

/* JSME Editor Styles */
.main-button {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color)) !important;
    padding: 12px 30px !important;
    font-size: 1.2em !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
    border: none !important;
    color: white !important;
    border-radius: 30px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.main-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(var(--primary-rgb), 0.4);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color)) !important;
}

.main-button:active {
    transform: translateY(1px);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.4);
}

#jsme_container {
    margin: 20px auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid var(--accent-orange);
    background-color: white;
    max-width: 100%;
}

/* Fix colors for JSME editor to ensure UI is clearly visible */
.gwt-HTML table {
    background-color: #f5f5f5 !important;
}

.gwt-Button {
    background-color: var(--secondary-dark) !important;
    color: var(--light-gray) !important;
    border: 1px solid var(--accent-orange) !important;
    padding: 4px 8px !important;
    border-radius: 4px !important;
    font-weight: bold !important;
}

.error-message {
    color: #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    text-align: center;
    border-left: 4px solid #dc3545;
    font-weight: 500;
    animation: fadeIn 0.3s ease-in-out;
}

.prediction-result {
    font-size: 1.1em;
    padding: 20px;
    margin-top: 25px;
    border-radius: 10px;
    background: var(--secondary-dark);
    text-align: center;
    border-left: 5px solid var(--accent-orange);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    color: var(--light-gray) !important;
}

.prediction-result h4 {
    color: var(--accent-orange) !important;
    margin-bottom: 15px;
    font-size: 1.4em;
}

.prediction-result p {
    color: var(--light-gray) !important;
    font-size: 1.2em !important;
    margin-bottom: 0 !important;
}

/* Animation for error message */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Disabled state for buttons */
.main-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}