:root {
    /* Colors */
    --primary: #00C851;
    --primary-light: rgba(0, 200, 81, 0.1);
    --primary-hover: #00A844;
    --secondary: #2ECC71;
    --error: #FF3B30;
    --error-light: rgba(255, 59, 48, 0.1);
    --success: #00C851;
    --warning: #FF9500;
    --info: #007AFF;

    /* Light Green Theme Colors */
    --light-green-50: #F0FFF4;
    --light-green-100: #E6FFED;
    --light-green-200: #C6F6D5;
    --light-green-300: #9AE6B4;
    --light-green-400: #68D391;
    --light-green-500: #48BB78;
    --light-green-600: #38A169;
    --light-green-700: #2F855A;
    --light-green-800: #276749;
    --light-green-900: #22543D;

    /* Text Colors */
    --text-primary: #1C1C1E;
    --text-secondary: #3C3C43;
    --text-tertiary: #8E8E93;
    --text-disabled: #C7C7CC;
    --text-white: #FFFFFF;

    /* Background Colors */
    --background: var(--light-green-50);
    --surface: #FFFFFF;
    --surface-hover: var(--light-green-100);
    --disabled: #E5E5EA;

    /* Border Colors */
    --border: var(--light-green-200);
    --border-focus: var(--light-green-500);

    /* Bottom Section Colors */
    --bottom-bg: var(--light-green-100);
    --bottom-border: var(--light-green-200);
    --bottom-hover: var(--light-green-200);
    --bottom-text: var(--light-green-800);
    --bottom-text-secondary: var(--light-green-600);

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-green: 0 4px 15px rgba(0, 200, 81, 0.15);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-green-50);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Lexend', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--light-green-500);
    color: var(--text-white);
    border: none;
}

.btn-primary:hover {
    background-color: var(--light-green-600);
}

.btn-outline {
    background-color: transparent;
    color: var(--light-green-500);
    border: 2px solid var(--light-green-500);
}

.btn-outline:hover {
    background-color: var(--light-green-500);
    color: var(--text-white);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px var(--light-green-200);
}

/* Cards */
.card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-green);
    border: 1px solid var(--light-green-200);
}

/* Modern Navigation Styles */
.main-nav {
    background-color: var(--surface);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--light-green-200);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-logo img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--text-base);
    transition: color 0.3s ease;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.nav-item:hover {
    color: var(--light-green-600);
    background-color: var(--light-green-100);
}

.nav-item .material-icons {
    font-size: var(--text-xl);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: background-color 0.3s ease;
}

.notification-btn:hover {
    background-color: var(--surface-hover);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--error);
    color: var(--text-white);
    border-radius: var(--radius-full);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-xs);
    min-width: 18px;
    text-align: center;
    transform: translate(25%, -25%);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    object-fit: cover;
    border: 2px solid var(--primary);
    transition: transform 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.05);
}

.menu-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background-color: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    min-width: 200px;
    display: none;
    border: 1px solid var(--border);
}

.menu-dropdown.active {
    display: block;
    animation: slideDown 0.3s ease;
}

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

.menu-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color 0.3s ease;
}

.menu-dropdown a:hover {
    background-color: var(--surface-hover);
}

.menu-dropdown a .material-icons {
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

.logout-btn {
    width: 100%;
    text-align: left;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    font-size: var(--text-base);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: background-color 0.3s ease;
}

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

.logout-btn .material-icons {
    font-size: var(--text-lg);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-content {
        padding: 0 var(--spacing-md);
    }

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

    .menu-dropdown {
        right: -10px;
    }
}

/* Responsive adjustments for mobile */
@media (max-width: 600px) {
  .main-nav, .footer-content, .auth-container, .profile-section {
    padding: 10px;
    font-size: 1rem;
  }
  .nav-links, .footer-column {
    flex-direction: column;
    align-items: flex-start;
  }
  .profile-picture, .logo {
    width: 48px;
    height: 48px;
  }
  .btn, button, input, select {
    font-size: 1rem;
    padding: 12px;
  }
}

/* Main Content Styles */
.main-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
}

.content-header {
    margin-bottom: 32px;
}

.content-header h1 {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 8px;
}

.content-header p {
    color: var(--text-tertiary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
}

.action-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background-color: var(--surface);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.action-button:hover {
    transform: translateY(-2px);
}

.action-button .material-icons {
    font-size: 24px;
    color: var(--primary);
}

/* Balance Overview */
.balance-overview {
    background-color: var(--surface);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.balance-amount {
    font-size: 32px;
    font-weight: 600;
    margin: 16px 0;
}

.balance-trend {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--success);
}

.balance-trend.negative {
    color: var(--error);
}

/* Recent Transactions */
.recent-transactions {
    background-color: var(--surface);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.transaction-list {
    margin-top: 16px;
}

/* Budget Overview */
.budget-overview {
    background-color: var(--surface);
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.progress-bar {
    height: 8px;
    background-color: var(--surface-hover);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: 16px 0;
}

.progress {
    height: 100%;
    background-color: var(--light-green-500);
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
}

.budget-details {
    display: flex;
    justify-content: space-between;
    color: var(--text-tertiary);
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast.error {
    background: var(--error-light);
    color: var(--error);
}

.toast.success {
    background: var(--light-green-500);
    color: var(--text-white);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 2px solid var(--light-green-500);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Container Styles */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.landing-content {
    margin-top: 80px; /* Account for fixed navigation */
    flex: 1;
}

/* Section Styles */
section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1a1a1a;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

p {
    margin-bottom: 1rem;
    color: #4a4a4a;
}

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

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

/* Hide mobile menu toggle */
.menu-toggle {
    display: none;
}

/* Contact Tools Section */
.contact-tools-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--background);
}

.tools-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    padding: 0 var(--spacing-lg);
}

.tool-card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-green);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--light-green-200);
}

.tool-card:hover {
    transform: translateY(-5px);
    border-color: var(--light-green-500);
    box-shadow: var(--shadow-green);
}

.tool-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background-color: var(--light-green-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-icon .material-icons {
    font-size: 40px;
    color: var(--light-green-600);
}

.tool-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.tool-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.tool-card .btn {
    width: 100%;
    max-width: 200px;
}

/* Responsive styles for contact tools */
@media (max-width: 768px) {
    .tools-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }

    .tool-card {
        padding: var(--spacing-lg);
    }

    .tool-icon {
        width: 60px;
        height: 60px;
    }

    .tool-icon .material-icons {
        font-size: 30px;
    }
}

/* Modern Footer Styles */
.main-footer {
    background-color: var(--light-green-800);
    color: var(--text-white);
    padding: 6rem 0 3rem;
    margin-top: 6rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand .logo {
    height: 48px;
    width: auto;
    filter: brightness(0) invert(1);
}

.brand-name {
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
}

.brand-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    line-height: 1.6;
}

.footer-quick-links {
    display: flex;
    justify-content: flex-end;
}

.footer-links-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4rem;
    width: 100%;
}

.footer-column h4 {
    color: #ffffff;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--light-green-200);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-links a:hover {
    color: var(--text-white);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    color: var(--text-white);
    background: var(--light-green-700);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--light-green-600);
    transform: translateY(-3px);
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.footer-locale {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.footer-locale .material-icons {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.2rem;
}

.language-selector {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    cursor: pointer;
    padding: 0.25rem;
}

.language-selector:focus {
    outline: none;
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}

.footer-additional-links {
    display: flex;
    gap: 2rem;
}

.footer-additional-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-additional-links a:hover {
    color: var(--text-white);
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .footer-brand {
        text-align: center;
        align-items: center;
    }

    .footer-quick-links {
        justify-content: center;
    }

    .footer-links-section {
        gap: 3rem;
    }
}

@media (max-width: 900px) {
    .footer-links-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-links-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        align-items: center;
    }

    .footer-additional-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Add hover effect for interactive elements */
.nav-brand:hover .logo,
.footer-brand:hover .logo {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.footer-brand .brand-link {
    margin-bottom: 0.5rem;
}

/* Hover effect for brand link */
.brand-link:hover {
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

/* Profile Picture Loading States */
.profile-picture-loading {
    opacity: 0.5;
    transition: opacity 0.3s ease;
    cursor: wait;
}

.profile-picture-container {
    position: relative;
    display: inline-block;
}

.profile-picture-container img {
    transition: all 0.3s ease;
    cursor: pointer;
}

.profile-picture-container img:hover {
    opacity: 0.8;
}

.profile-picture-container input[type="file"] {
    display: none;
}