:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --background-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --transition: all 0.3s ease;
    --header-gradient-start: rgba(52, 152, 219, 0.8);
    --header-gradient-end: rgba(44, 62, 80, 0.8);
    --surface-color: #ffffff;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Kawaii Header */
header {
    
    background: linear-gradient(var(--header-gradient-start), var(--header-gradient-end)),
                url('https://www.gniotgroup.edu.in/blog/wp-content/uploads/2022/01/IT-1.jpg');
    background-size: cover;
    background-position: top center;
    background-attachment: fixed; /* This keeps the background fixed while scrolling */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1.5rem 2rem;
    height: auto; /* Remove fixed height */
    min-height: 100px; /* Reduced height since we're removing the menu */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* Changed to center */
    gap: 1.5rem; /* Increased gap */
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

/* Remove header.scrolled height changes */
header.scrolled {
    min-height: 140px; /* Keep the same min-height */
    background: linear-gradient(var(--header-gradient-start), var(--header-gradient-end)),
                url('https://www.gniotgroup.edu.in/blog/wp-content/uploads/2022/01/IT-1.jpg');
    background-size: cover;
    background-position: top center;
    background-attachment: fixed;
}

.logo {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.6rem; /* Slightly larger since it's the only element */
    color: #f8f9fa; /* Lighter gray color */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.15);
    font-weight: 600;
    text-align: center;
    line-height: 1.4;
    letter-spacing: 0.8px;
    padding-top: 0.5rem;
    transform: none !important; /* Prevent any transformations */
    transition: none !important; /* Disable transitions */
    position: relative; /* Ensure text stays in place */
    z-index: 2;
    margin-bottom: 0; /* Remove bottom margin */
}

/* Remove or hide navigation */
nav {
    display: none;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(var(--header-gradient-start), var(--header-gradient-end)),
                url('https://www.gniotgroup.edu.in/blog/wp-content/uploads/2022/01/IT-1.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* This keeps the background fixed while scrolling */
    margin-top: 0;
    padding-top: 100px; /* Match header height */
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 2rem 2rem;
}

.hero::before {
    content: '⚡';  /* Change flower to lightning bolt */
    position: absolute;
    font-size: 3rem;
    color: var(--accent-color);
    animation: float 3s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: url('images/flower-corner.png');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.6;
    z-index: 1;
}

.hero-content {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem 3rem;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.5);
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-color), #2980b9);
    border: none;
    padding: clamp(0.7rem, 1.5vw, 1rem) clamp(1.2rem, 2.5vw, 2rem);
    border-radius: clamp(25px, 4vw, 50px);
    color: white;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(69, 90, 100, 0.3);
    text-decoration: none;
    text-transform: uppercase;
    font-size: clamp(0.7rem, 1.2vw, 0.875rem);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: clamp(0.3rem, 1vw, 0.5rem);
    white-space: normal;
    text-align: center;
    width: fit-content;
    max-width: min(90%, 300px);
    min-width: min-content;
    line-height: 1.2;
}

.cta-button i {
    font-size: clamp(0.9rem, 1.8vw, 1.25rem);
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cta-button {
        width: 100%;
        justify-content: center;
        padding: 0.8rem 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .hero-content {
        width: clamp(280px, 95%, 500px);
        padding: clamp(1rem, 3vw, 2rem);
    }

    /* Form responsiveness */
    .registration-form {
        width: 100%;
        padding: 1rem;
    }

    .form-group {
        flex-direction: column;
    }

    .form-group label {
        margin-bottom: 0.5rem;
    }
}

/* Product Section */
.products {
    padding: 20px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: #f9f9f9;
}

.products::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('https://picsum.photos/1600/200?flower&random=3');
    background-size: contain;
    background-repeat: repeat-x;
    opacity: 0.4;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); /* Increased from 300px */
    grid-gap: 2.5rem; /* Increased gap */
    max-width: 1400px; /* Increased from 1200px */
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.product-card {
    background: var(--surface-color);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(44, 62, 80, 0.1);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    min-height: 500px; /* Add minimum height */
}

.product-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 8px 25px rgba(44, 62, 80, 0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover img {
    transform: scale(1.05);
}

.product-info {
    padding: 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-info h3 {
    font-family: 'Open Sans', sans-serif;
    font-size: 1.2rem;
    margin: 0.5rem 0;
    font-weight: 600;
    color: var(--primary-color);
}

.product-info p {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.product-actions {
    margin-top: auto;  /* This pushes the button to the bottom */
    padding-top: 1rem;
    display: flex !important; /* Override the previous display: none */
    justify-content: center;
}

.add-to-cart {
    background: linear-gradient(135deg, var(--accent-color), #2980b9);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex !important; /* Override any hiding */
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin: 0;  /* Remove margin-top */
    position: relative;
    overflow: hidden;
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Remove/comment out the special cybersecurity styles */
/*
.product-card[data-course-id="cybersecurity"] {
    background: linear-gradient(145deg, #1a237e, #311b92);
    color: white;
}

.product-card[data-course-id="cybersecurity"] h3,
.product-card[data-course-id="cybersecurity"] p {
    color: white;
}

.product-card[data-course-id="cybersecurity"] .course-details {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-card[data-course-id="cybersecurity"] .add-to-cart {
    background: #ff4081;
    box-shadow: 0 4px 15px rgba(255, 64, 129, 0.3);
}

.product-card[data-course-id="cybersecurity"] .add-to-cart:hover {
    background: #f50057;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 64, 129, 0.4);
}

.product-card[data-course-id="cybersecurity"]::before {
    content: '🔒';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    z-index: 1;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}
*/

/* Contact Section */
.contact {
    padding: 50px 20px;
    background-color: #fff;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 150px;
    height: 150px;
    /* background: url('https://picsum.photos/400/400?tech&random=4'); */
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.2;
}

.contact-info {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 2rem;
    text-align: center;
    color: #4a4a4a;
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px; /* Reduced from typical 8px or higher */
    font-size: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
    background: #f8f9fa;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.contact-form button {
    padding: 12px 24px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px; /* Matching the input fields */
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.contact-form button:hover {
    background-color: #0056b3;
}

.contact-methods {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(69, 90, 100, 0.05);
    border-radius: 8px;
}

.contact-method i {
    color: var(--primary-color);
    font-size: 24px;
}

.contact-method span {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.5;
}

.contact-method span br {
    margin: 4px 0;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    padding: 20px;
    text-align: center;
}

/* Mobile Navigation */
.menu-toggle {
    display: none;
}

@media (max-width: 768px) {
    header {
        min-height: 140px; /* Keep consistent height on mobile */
        padding: 1rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    nav ul {
        position: fixed; /* Change from absolute to fixed */
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        gap: 0;
        padding: 1rem;
        display: none;
    }
    
    nav ul.active {
        display: flex;
        background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
        box-shadow: var(--shadow-2);
        backdrop-filter: blur(10px);
    }

    nav ul li a {
        display: block;
        padding: 1rem;
        border-radius: 0;
    }

    .menu-toggle {
        display: block;
        position: absolute;
        right: 1rem;
        top: 1.5rem;
        font-size: 1.5rem;
        color: white;
    }

    .product-grid {
        padding: 1rem;
        grid-gap: 1rem;
        grid-template-columns: 1fr;
    }

    .hero-content {
        padding: 1.5rem;
        width: 90%;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content .subtitle {
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .cart-preview {
        width: calc(100% - 40px); /* Make cart preview responsive */
        max-width: 400px;
    }

    .product-card {
        margin: 0.5rem 0;
        transform: none !important;
    }

    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        font-size: 16px; /* Prevent zoom on mobile */
        padding: 12px 16px;
    }
}

/* Modern Cart Preview */
.cart-preview {
    display: none;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.section-title {
    display: none;
}

.tech-icon {
    display: none; /* Add this to hide any remaining icons */
}

.course-details {
    background: rgba(69, 90, 100, 0.05);
    padding: 1rem;
    border-radius: 10px;
    margin: 1rem 0;
    font-size: 0.9rem;
    line-height: 1.8;
    color: var(--text-color);
}

.course-expanded {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background-color);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
}

.course-expanded.active {
    transform: translateY(0);
}

.back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.back-button:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

.expanded-content {
    max-width: 1000px;
    margin: 4rem auto 0;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.expanded-content img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.course-full-description {
    margin: 2rem 0;
    line-height: 1.8;
}

.course-modules {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(69, 90, 100, 0.05);
    border-radius: 10px;
}

.module-item {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.module-item:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.courses-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
}

.product-card .product-actions {
    display: none; /* Hide original buttons */
}

.course-buttons, .course-button {
    display: none;
}

/* Loading indicators */
.loading-indicator {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-right: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Accessibility improvements */
:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #1a1a1a;
        --surface-color: #2d2d2d;
        --text-color: #e0e0e0;
    }
}

/* Add at the end of file */

.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.chat-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-color);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chat-button:hover {
    transform: scale(1.1);
}

.chat-modal {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 300px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    display: none;
    opacity: 0;
    transform: translateY(20px);
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chat-modal.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.chat-header {
    padding: 15px;
    background: var(--accent-color);
    color: white;
    font-weight: 600;
}

.chat-messages {
    height: 300px;
    padding: 15px;
    overflow-y: auto;
}

.message {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    max-width: 80%;
}

.message.system {
    background: #f0f2f5;
    margin-left: 0;
}

.message.user {
    background: var(--accent-color);
    color: white;
    margin-left: auto;
}

.message.admin {
    background: #e3f2fd;
    margin-left: 0;
}

.chat-input {
    padding: 15px;
    border-top: 1px solid #eee;
}

.chat-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-form input,
.chat-form textarea {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.chat-form button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.chat-form button:hover {
    background: var(--primary-color);
}

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

.name-input-container {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: none;
}

.name-input-container.active {
    display: block;
}

.chat-input.hidden {
    display: none;
}

.chat-input.visible {
    display: block;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--accent-color);
}

.contact-link i {
    transition: var(--transition);
}

.contact-link:hover i {
    transform: scale(1.1);
    color: var(--accent-color);
}

/* Container Styles */
.admin-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Login Form Styles */
.login-form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Admin Panel Styles */
.admin-panel {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hidden {
    display: none;
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #1557b0;
}

/* Table Styles */
#groupsTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

#groupsTable th,
#groupsTable td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#groupsTable th {
    background-color: var(--bg-color);
    font-weight: 500;
}

/* Action Buttons */
.action-btn {
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
}

.edit-btn {
    background-color: var(--primary-color);
    color: white;
}

.delete-btn {
    background-color: var(--error-color);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-container {
        margin: 1rem;
        padding: 0;
    }

    .admin-panel {
        padding: 1rem;
    }

    #groupsTable {
        display: block;
        overflow-x: auto;
    }
}

/* Messages */
.message {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
    text-align: center;
}

.success {
    background-color: #d4edda;
    color: var(--success-color);
    border: 1px solid #c3e6cb;
}

.error {
    background-color: #f8d7da;
    color: var(--error-color);
    border: 1px solid #f5c6cb;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, rgb(245 245 245), rgb(245 245 245));
    padding: 2rem 0;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.logo {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 0 1rem;
}

.logo div:first-child {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.logo div:last-child {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

/* Container Styles */
.container, .admin-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Main content container - add top padding to account for fixed header */
.main-content {
    padding-top: 20px; /* Adjust based on header height */
}

/* Form Styles */
form {
    background: var(--surface-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

h1 {
    color: #3498db;
    text-align: center;
    margin-bottom: 2rem;
    font-weight: 700;
}

fieldset {
    border: none;
    margin-bottom: 2rem;
    padding: 0;
}

legend {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    padding: 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-weight: 500;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="date"],
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
}

button {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

button:hover {
    background-color: #1557b0;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

/* Error States */
input:invalid {
    border-color: var(--error-color);
}

.error-message {
    color: var(--error-color);
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    form {
        padding: 1rem;
    }

    .logo div:first-child {
        font-size: 1.4rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    input, select, button {
        font-size: 16px;
    }
}

/* Admin Panel Styles */
.admin-container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.login-form {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

.error-message {
    background-color: var(--error-color);
    color: white;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.hidden {
    display: none;
}

.admin-panel {
    padding: 20px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logout-btn {
    background-color: var(--error-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.logout-btn:hover {
    background-color: #c0392b;
}

.info-text {
    margin-bottom: 20px;
}

.groups-list {
    margin-top: 30px;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    margin-bottom: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
}

.delete-btn {
    background-color: var(--error-color);
    padding: 5px 10px;
    font-size: 14px;
}

.delete-btn:hover {
    background-color: #c0392b;
}

/* Registration Form Styles */
.registration-section {
    padding: 120px 20px 50px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.registration-form {
    background-color: white;
    border-radius: 10px;
}

.error-message, .success-message {
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
    display: none;
}

.error-message.visible, .success-message.visible {
    display: block;
}

.success-message {
    background-color: var(--success-color);
    color: white;
}

.form-message {
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
}

.form-message.error {
    background-color: var(--error-color);
    color: white;
}

.form-message.success {
    background-color: var(--success-color);
    color: white;
}

/* Form Styles */
.form-container {
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-container h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.form-container h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.form-section {
    background-color: var(--section-background);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.form-group {
    margin-bottom: 1rem;
}

/* Admin Panel Styles */
.admin-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-form {
    max-width: 400px;
    margin: 0 auto;
}

.admin-panel {
    display: none;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.info-text {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.message {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    display: none;
}

.message.success {
    display: block;
    background-color: var(--success-background);
    color: var(--success-color);
    border: 1px solid var(--success-border);
}

.message.error {
    display: block;
    background-color: var(--error-background);
    color: var(--error-color);
    border: 1px solid var(--error-border);
}

.group-list {
    margin-top: 1.5rem;
}

.group-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--section-background);
    border-radius: 4px;
    border-left: 3px solid var(--primary-color);
}

.delete-btn {
    background-color: var(--error-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.delete-btn:hover {
    background-color: var(--error-hover);
}

.logout-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.logout-btn:hover {
    background-color: var(--secondary-hover);
}

.groups-container {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}