/* AI Agriculture Platform - Main Stylesheet */
/* Modern, responsive, and beautiful design with advanced animations */

:root {
    /* Color Palette */
    --primary-green: #2E8B57;
    --secondary-green: #32CD32;
    --light-green: #90EE90;
    --dark-green: #006400;
    --accent-orange: #FF8C00;
    --accent-blue: #4169E1;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    --gradient-secondary: linear-gradient(45deg, var(--accent-orange), #FFB347);
    --gradient-dark: linear-gradient(135deg, var(--dark-green), var(--primary-green));
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 5px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 30px rgba(0,0,0,0.2);
    
    /* Border Radius */
    --radius-small: 8px;
    --radius-medium: 15px;
    --radius-large: 25px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark-green);
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--gray);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-medium);
}

/* Layout Components */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    padding: 0 15px;
    flex: 1;
}

/* Header Styles */
.header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0;
    box-shadow: var(--shadow-medium);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--white);
    transition: var(--transition-medium);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    margin-right: 10px;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: var(--transition-medium);
}

.nav-link:hover {
    color: var(--light-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light-green);
    transition: var(--transition-medium);
}

.nav-link:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification-icon {
    position: relative;
    padding: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    transition: var(--transition-medium);
    cursor: pointer;
}

.notification-icon:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--accent-orange);
    color: var(--white);
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    left: 0;
    top: 80px;
    width: 280px;
    height: calc(100vh - 80px);
    background: var(--white);
    box-shadow: var(--shadow-medium);
    transform: translateX(-100%);
    transition: var(--transition-medium);
    z-index: 999;
    overflow-y: auto;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    padding: 20px;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-item {
    margin-bottom: 5px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: var(--dark-gray);
    transition: var(--transition-medium);
    border-left: 4px solid transparent;
}

.sidebar-link:hover {
    background: var(--light-green);
    border-left-color: var(--primary-green);
    transform: translateX(10px);
}

.sidebar-icon {
    margin-right: 15px;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 0;
    margin-top: 80px;
    padding: 20px;
    transition: var(--transition-medium);
}

.main-content.sidebar-open {
    margin-left: 280px;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><path d="M0,6V0h1000v100L0,6z"/></svg>') repeat;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0.8;
    animation: fadeInUp 1s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* AI Recommendation System */
.ai-recommendation-box {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-heavy);
    margin: 50px auto;
    max-width: 800px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ai-recommendation-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(50, 205, 50, 0.1), transparent);
    animation: aiGlow 3s linear infinite;
}

@keyframes aiGlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-title {
    color: var(--primary-green);
    font-size: 2rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.ai-input-group {
    display: flex;
    gap: 15px;
    margin: 30px 0;
    position: relative;
    z-index: 2;
}

.ai-input {
    flex: 1;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-medium);
    font-size: 1rem;
    transition: var(--transition-medium);
}

.ai-input:focus {
    border-color: var(--primary-green);
    outline: none;
    box-shadow: 0 0 20px rgba(46, 139, 87, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--radius-large);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-medium);
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition-medium);
}

.btn:hover::before {
    left: 100%;
}

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

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

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

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

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

/* Product Grid */
.products-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-green);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 60px;
    color: var(--gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    max-width: 1600px;
    margin: 0 auto;
}

/* Ensure exactly 8 cards per row on larger screens */
@media (min-width: 1400px) {
    .products-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media (min-width: 1200px) and (max-width: 1399px) {
    .products-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 576px) and (max-width: 767px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-light);
    overflow: hidden;
    transition: var(--transition-medium);
    position: relative;
    height: 350px; /* Fixed height for consistency */
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: var(--transition-medium);
}

.product-card:hover .product-image {
    transform: scale(1.1);
}

.product-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-green);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-description {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 10px;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-price {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-green);
    margin-top: auto;
}

.product-actions {
    padding: 15px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.85rem;
    flex: 1;
}

/* AI Badge */
.ai-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 4px 8px;
    border-radius: var(--radius-small);
    font-size: 0.7rem;
    font-weight: bold;
    animation: aiPulse 2s infinite;
}

@keyframes aiPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Loading Animation */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 10px 0;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .ai-input-group {
        flex-direction: column;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .container {
        padding: 0 15px;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

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

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

/* Toast Notifications */
.toast {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--white);
    padding: 15px 20px;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-heavy);
    z-index: 1001;
    transform: translateX(100%);
    transition: var(--transition-medium);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-left: 4px solid #28a745;
}

.toast.error {
    border-left: 4px solid #dc3545;
}

.toast.warning {
    border-left: 4px solid #ffc107;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-medium);
    font-size: 1rem;
    transition: var(--transition-medium);
}

.form-control:focus {
    border-color: var(--primary-green);
    outline: none;
    box-shadow: 0 0 20px rgba(46, 139, 87, 0.1);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-large);
    max-width: 500px;
    width: 90%;
    transform: scale(0.7);
    transition: var(--transition-medium);
}

.modal.show .modal-content {
    transform: scale(1);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

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

.slide-in-left {
    animation: slideInLeft 0.5s ease;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.bounce-in {
    animation: bounceIn 0.6s ease;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

/* Print Styles */
@media print {
    .header, .sidebar, .btn, .modal {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: black;
    }
    
    .main-content {
        margin: 0;
        padding: 0;
    }
}