/* GLOBAL STYLES */
:root {
    /* Colors - Light Theme */
    --primary-color: #4a6cf7;
    --primary-dark: #3955d3;
    --primary-light: #7a92f9;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --danger-color: #f44336;
    --text-color: #2c3e50;
    --text-secondary: #6c757d;
    --background-color: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: #e9ecef;
    --hover-color: rgba(0, 0, 0, 0.03);
    --muted-color: #95a5a6;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    
    /* Layout */
    --header-height: 60px;
    --footer-height: 60px;
    
    /* Font weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
}

/* Dark theme colors */
[data-theme="dark"] {
    --primary-color: #4a6cf7;
    --primary-dark: #3955d3;
    --primary-light: #7a92f9;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --danger-color: #f44336;
    --text-color: #f8f9fa;
    --text-secondary: #adb5bd;
    --background-color: #121212;
    --card-bg: #1e1e1e;
    --border-color: #2d2d2d;
    --hover-color: rgba(255, 255, 255, 0.05);
    --muted-color: #95a5a6;
    
    /* Shadows for dark theme */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-semibold);
    line-height: 1.2;
    color: var(--text-color);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* LAYOUT COMPONENTS */

/* Site Header */
.site-header {
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.site-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%;
}

/* Logo */
.logo-text {
    font-size: 24px;
    font-weight: var(--font-bold);
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.site-logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.site-logo a:hover {
    text-decoration: none;
}

/* Navigation */
.desktop-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-right: var(--spacing-md);
    position: relative;
}

.nav-links a {
    color: var(--text-color);
    font-weight: var(--font-medium);
    padding: var(--spacing-sm) var(--spacing-xs);
    display: flex;
    align-items: center;
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-fast);
}

.nav-links a i {
    margin-right: var(--spacing-xs);
}

.nav-links a:hover {
    background-color: var(--hover-color);
    text-decoration: none;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: var(--font-semibold);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: var(--font-medium);
    padding: var(--spacing-sm) var(--spacing-xs);
}

.dropdown-toggle::after {
    content: '\f107';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.dropdown.active .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 180px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) 0;
    display: none;
    z-index: 10;
}

.dropdown.active .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
}

.dropdown-menu a i {
    margin-right: var(--spacing-sm);
    width: 16px;
    text-align: center;
}

/* User Menu */
.user-menu {
    margin-left: var(--spacing-md);
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-semibold);
    margin-right: var(--spacing-xs);
}

.user-name {
    font-weight: var(--font-medium);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--card-bg);
    z-index: 999;
    overflow: hidden;
    transition: height 0.3s ease;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    visibility: hidden;
}

.mobile-menu.active {
    height: calc(100vh - 60px);
    visibility: visible;
    overflow-y: auto;
}

body.menu-open {
    overflow: hidden;
}

.mobile-menu .nav-links {
    display: block;
    padding: 1rem;
    margin: 0;
    list-style: none;
}

.mobile-menu .nav-links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-right: 0;
}

.mobile-menu .nav-links li:last-child {
    border-bottom: none;
}

.mobile-menu .nav-links a {
    display: flex;
    align-items: center;
    padding: 0;
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
}

.mobile-menu .nav-links a i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

.mobile-menu .nav-section {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted-color);
    text-transform: uppercase;
    letter-spacing: 0.05rem;
    padding: 1rem 0 0.5rem;
    margin-top: 0.5rem;
    border-bottom: none !important;
}

.mobile-menu form {
    margin: 0;
}

.navbar-toggler {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-color);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: none;
}

@media (max-width: 767.98px) {
    .navbar-toggler {
        display: block;
    }
    
    .desktop-nav {
        display: none;
    }
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
    margin-left: var(--spacing-md);
}

.theme-toggle:hover {
    background-color: var(--hover-color);
}

.theme-toggle .fa-sun {
    display: none;
}

.theme-toggle .fa-moon {
    display: inline-block;
}

.theme-toggle.dark-mode .fa-sun {
    display: inline-block;
}

.theme-toggle.dark-mode .fa-moon {
    display: none;
}

/* Floating Action Button */
.floating-action-button {
    position: fixed;
    right: var(--spacing-md);
    bottom: var(--spacing-md);
    z-index: 90;
}

.fab-main {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.fab-main:hover {
    background-color: var(--primary-dark);
}

.floating-action-button.active .fab-main {
    transform: rotate(45deg);
}

.fab-options {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-end;
}

.floating-action-button.active .fab-options {
    display: flex;
}

.fab-option {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    text-decoration: none;
}

.fab-option span {
    background-color: var(--card-bg);
    color: var(--text-color);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    margin-right: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    font-weight: var(--font-medium);
}

.fab-option i {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast);
}

.fab-option:hover i {
    background-color: var(--primary-dark);
}

/* FORMS */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-medium);
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary-light);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(74, 108, 247, 0.25);
}

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

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    margin-right: var(--spacing-xs);
}

/* BUTTONS */
.btn {
    display: inline-block;
    font-weight: var(--font-medium);
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.25rem;
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    color: #fff;
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-outline-primary:hover {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-success {
    color: #fff;
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    color: #fff;
    background-color: #3d8b40;
    border-color: #3d8b40;
}

.btn-danger {
    color: #fff;
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    color: #fff;
    background-color: #d32f2f;
    border-color: #d32f2f;
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
}

/* CARDS */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.02);
}

.card-body {
    padding: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.02);
}

/* DASHBOARD COMPONENTS */
.dashboard {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.date-display {
    color: var(--text-secondary);
    font-size: 1rem;
}

.dashboard-section {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    margin-bottom: 0;
}

.section-link {
    display: flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: var(--font-medium);
    text-decoration: none;
}

.section-link i {
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

.section-link:hover i {
    transform: translateX(2px);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.summary-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.card-value {
    font-size: 1.5rem;
    font-weight: var(--font-semibold);
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    background-color: var(--primary-color);
}

.summary-card.total-balance .card-icon,
.summary-card.balance .card-icon {
    background-color: var(--primary-color);
}

.summary-card.income .card-icon {
    background-color: var(--success-color);
}

.summary-card.expenses .card-icon {
    background-color: var(--danger-color);
}

.chart-container {
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.chart-header {
    margin-bottom: var(--spacing-md);
}

.chart-header h3 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

/* UTILITIES */
.d-none {
    display: none !important;
}

.d-flex {
    display: flex !important;
}

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

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

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

.text-center {
    text-align: center !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: var(--spacing-xs) !important;
}

.mb-2 {
    margin-bottom: var(--spacing-sm) !important;
}

.mb-3 {
    margin-bottom: var(--spacing-md) !important;
}

.mb-4 {
    margin-bottom: var(--spacing-lg) !important;
}

.mb-5 {
    margin-bottom: var(--spacing-xl) !important;
}

/* Responsive utilities */
@media (min-width: 576px) {
    .d-sm-none {
        display: none !important;
    }
    
    .d-sm-block {
        display: block !important;
    }
    
    .d-sm-flex {
        display: flex !important;
    }
}

@media (min-width: 768px) {
    .d-md-none {
        display: none !important;
    }
    
    .d-md-block {
        display: block !important;
    }
    
    .d-md-flex {
        display: flex !important;
    }
}

@media (min-width: 992px) {
    .d-lg-none {
        display: none !important;
    }
    
    .d-lg-block {
        display: block !important;
    }
    
    .d-lg-flex {
        display: flex !important;
    }
    
    .d-lg-inline {
        display: inline !important;
    }
}

/* Auth Pages Styling */
.auth-body {
    background-color: var(--background-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#auth-app {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.auth-header {
    background-color: var(--card-bg);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
}

.auth-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.auth-card-header {
    padding: var(--spacing-lg);
    background-color: rgba(0, 0, 0, 0.02);
    border-bottom: 1px solid var(--border-color);
}

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

.auth-divider {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}

.auth-divider::before {
    margin-right: var(--spacing-sm);
}

.auth-divider::after {
    margin-left: var(--spacing-sm);
}

.auth-footer {
    text-align: center;
    padding: var(--spacing-md);
    font-size: 0.875rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-top: 1px solid var(--border-color);
}

.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--background-color);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-md);
    font-size: 1.25rem;
}

.feature-content h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}