/* Global Styles */
:root {
    --primary-color: #2E7D32;
    --primary-light: #60AD5E;
    --primary-dark: #005005;
    --secondary-color: #FFC107;
    --secondary-light: #FFF350;
    --secondary-dark: #C79100;
    --text-color: #333333;
    --text-light: #757575;
    --background-color: #F5F5F5;
    --card-background: #FFFFFF;
    --border-color: #E0E0E0;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --info-color: #2196F3;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo img {
    height: 40px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-item {
    margin-left: 25px;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.language-selector {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    font-size: 0.9rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

/* Weather Section */
.weather-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.weather-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.weather-current {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.weather-location {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--text-light);
}

.weather-location i {
    margin-right: 10px;
}

.weather-main {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.weather-icon {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-right: 20px;
}

.weather-temp {
    font-size: 3rem;
    font-weight: 700;
}

.weather-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.weather-detail {
    display: flex;
    align-items: center;
    color: var(--text-light);
}

.weather-detail i {
    margin-right: 10px;
    color: var(--primary-color);
}

.weather-forecast {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.forecast-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.forecast-item {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    background-color: var(--background-color);
}

.forecast-day {
    font-weight: 600;
    margin-bottom: 10px;
}

.forecast-icon {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.forecast-temp {
    font-weight: 500;
}

.weather-alerts {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.alert-container {
    margin-top: 20px;
}

.alert-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    background-color: #FFF8E1;
    border-left: 4px solid var(--warning-color);
}

.alert-item i {
    font-size: 1.5rem;
    color: var(--warning-color);
    margin-right: 15px;
}

/* Market Section */
.market-section {
    padding: 80px 0;
    background-color: white;
}

.market-controls {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: center;
}

.crop-selector,
.state-selector {
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    font-size: 1rem;
}

.market-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.market-prices {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.price-table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.price-table {
    width: 100%;
    border-collapse: collapse;
}

.price-table th,
.price-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.price-table th {
    background-color: var(--background-color);
    font-weight: 600;
}

.price-change {
    font-weight: 500;
}

.price-up {
    color: var(--success-color);
}

.price-down {
    color: var(--error-color);
}

.market-chart {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.chart-container {
    height: 300px;
    margin-top: 20px;
}

.market-prediction {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.prediction-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.prediction-card {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.prediction-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 10px 0;
}

.prediction-confidence {
    color: var(--text-light);
}

/* Soil Section */
.soil-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.soil-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.soil-analysis {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.soil-params {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.param-card {
    background-color: var(--background-color);
    border-radius: 8px;
    padding: 20px;
}

.param-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.param-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 10px;
}

.param-value {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.param-value span {
    font-size: 1.5rem;
    font-weight: 600;
}

.param-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.param-status {
    font-weight: 500;
}

.soil-recommendations {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.crop-recommendations,
.fertilizer-recommendations {
    margin-top: 20px;
}

.recommendation-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    background-color: var(--background-color);
}

.recommendation-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.soil-testing {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 30px;
    box-shadow: var(--shadow);
    text-align: center;
}

.testing-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 40px;
    margin-top: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(46, 125, 50, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: 15px;
}

#soil-file-input {
    display: none;
}

/* Chat Section */
.chat-section {
    padding: 80px 0;
    background-color: white;
}

.chat-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 600px;
}

.chat-sidebar {
    background-color: var(--background-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.chat-user {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

.user-info h4 {
    margin-bottom: 5px;
}

.user-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.chat-features {
    margin-bottom: 30px;
}

.chat-features h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.chat-features ul {
    list-style: none;
}

.chat-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color: var(--text-light);
}

.chat-features i {
    margin-right: 10px;
    color: var(--primary-color);
}

.chat-history {
    flex: 1;
    overflow-y: auto;
}

.chat-history h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.history-item {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
    background-color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.history-item:hover {
    background-color: var(--primary-light);
    color: white;
}

.chat-main {
    display: flex;
    flex-direction: column;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.chat-status {
    display: flex;
    align-items: center;
    color: var(--text-light);
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--success-color);
    margin-right: 8px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.message {
    display: flex;
    margin-bottom: 20px;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
}

.bot-message .message-avatar {
    background-color: var(--secondary-color);
}

.message-content {
    flex: 1;
}

.message-content p {
    background-color: var(--background-color);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.user-message .message-content p {
    background-color: var(--primary-light);
    color: white;
}

.message-options {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.message-option {
    padding: 8px 15px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.message-option:hover {
    background-color: var(--primary-light);
    color: white;
    border-color: var(--primary-light);
}

.chat-input {
    display: flex;
    align-items: center;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.input-controls {
    display: flex;
    margin-right: 15px;
}

.input-btn {
    width: 40px;
    height: 40px;
    border: none;
    background-color: var(--background-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.input-btn:hover {
    background-color: var(--primary-light);
    color: white;
}

#message-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    font-size: 1rem;
}

.send-btn {
    width: 45px;
    height: 45px;
    border: none;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 15px;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.send-btn:hover {
    background-color: var(--primary-dark);
}

/* Footer */
.footer {
    background-color: var(--primary-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section ul li a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: slideIn 0.3s ease;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-light);
}

.close-btn:hover {
    color: var(--text-color);
}

.auth-container {
    padding: 40px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.auth-form h2 {
    margin-bottom: 30px;
    text-align: center;
    color: var(--primary-dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.auth-form .btn {
    width: 100%;
    margin-top: 10px;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    .weather-container,
    .market-container,
    .soil-container {
        grid-template-columns: 1fr;
    }
    
    .chat-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .chat-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        margin: 15px 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .forecast-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .prediction-container {
        grid-template-columns: 1fr;
    }
    
    .soil-params {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .nav-controls {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .market-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .testing-options {
        flex-direction: column;
    }
}