/* Design Tokens */
:root {
    /* Colors */
    --primary-color: #2D6A4F;
    --secondary-color: #FFD700;
    --background-color: #FAF9F6;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #ffffff;
    --border-color: #e0e0e0;
    --shadow-light: rgba(45, 106, 79, 0.1);
    --shadow-medium: rgba(45, 106, 79, 0.2);
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Z-index */
    --z-modal: 1000;
    --z-overlay: 999;
    --z-nav: 100;
    --z-fab: 50;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* App Container */
#app {
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--background-color);
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

/* Content Sections */
.content-section {
    display: none;
    width: 100%;
    padding: var(--spacing-md);
}

.content-section.active {
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.primary-btn {
    @extend .btn;
    background-color: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.primary-btn:hover {
    background-color: #245a42;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-medium);
}

.primary-btn:active {
    transform: translateY(0);
}

.secondary-btn {
    @extend .btn;
    background-color: var(--secondary-color);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

.secondary-btn:hover {
    background-color: #e6c200;
    transform: translateY(-2px);
}

/* Input Fields */
.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

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

.input-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow-light);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--shadow-medium);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

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

/* SPLASH SCREEN */
#splash-screen {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a4a35 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.splash-content {
    text-align: center;
}

.logo-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: inline-block;
}

.logo-icon {
    font-size: 4rem;
    color: var(--secondary-color);
    animation: logoScale 2s ease-in-out infinite;
}

.logo-leaf {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 2rem;
    color: var(--success-color);
    animation: leafRotate 3s ease-in-out infinite;
}

.app-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    animation: loadingDots 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

/* ONBOARDING SCREEN */
#onboarding-screen {
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.onboarding-container {
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.onboarding-slide {
    display: none;
    animation: slideIn 0.5s ease;
}

.onboarding-slide.active {
    display: block;
}

.slide-image {
    margin-bottom: var(--spacing-xl);
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide-icon {
    font-size: 5rem;
    color: var(--primary-color);
    animation: iconFloat 3s ease-in-out infinite;
}

.services-icons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.services-icons i {
    font-size: 3rem;
    color: var(--primary-color);
    animation: iconFloat 3s ease-in-out infinite;
}

.services-icons i:nth-child(2) {
    animation-delay: 0.5s;
}

.services-icons i:nth-child(3) {
    animation-delay: 1s;
}

.services-icons i:nth-child(4) {
    animation-delay: 1.5s;
}

.growth-arrow {
    margin-top: var(--spacing-md);
    animation: arrowBounce 2s ease-in-out infinite;
}

.growth-arrow i {
    font-size: 2rem;
    color: var(--success-color);
}

.slide-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.indicator.active {
    background-color: var(--primary-color);
}

/* AUTH SCREEN */
#auth-screen {
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    max-width: 400px;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-header h2 {
    color: var(--primary-color);
}

.auth-switch {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.auth-switch span {
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 500;
}

.auth-switch span:hover {
    text-decoration: underline;
}

/* MAIN SCREEN */
#main-screen {
    padding-top: 70px;
    padding-bottom: 80px;
}

/* Top Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: var(--z-nav);
    box-shadow: 0 2px 8px var(--shadow-light);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.125rem;
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-md);
}

.nav-icon {
    font-size: 1.25rem;
    color: var(--primary-color);
    cursor: pointer;
    transition: color 0.2s ease;
}

.nav-icon:hover {
    color: var(--secondary-color);
}

/* Screen Content */
.screen-content {
    padding: var(--spacing-md);
}

/* Search Section */
.search-section {
    margin-bottom: var(--spacing-xl);
}

.search-bar {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-bar i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-bar input {
    padding-left: var(--spacing-2xl);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.location-chips {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
}

.chip {
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.chip.active,
.chip:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Featured Banner */
.featured-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a4a35 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.featured-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,215,0,0.1)"/></svg>') repeat;
    animation: patternMove 20s linear infinite;
}

.banner-content {
    position: relative;
    z-index: 1;
}

.banner-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.banner-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px var(--shadow-light);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
}

.category-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.category-card h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.category-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    z-index: var(--z-nav);
    box-shadow: 0 -2px 8px var(--shadow-light);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item i {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.loading-icon {
    font-size: 3rem;
    color: var(--primary-color);
    animation: spin 2s linear infinite;
}

/* Animations */
@keyframes logoScale {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes leafRotate {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

@keyframes loadingDots {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

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

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

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

@keyframes patternMove {
    from { transform: translateX(-50px) translateY(-50px); }
    to { transform: translateX(0) translateY(0); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

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

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