/* Money Manager - Custom Styles */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 0.5rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6fa;
    color: var(--dark-color);
    line-height: 1.6;
}

.container-fluid {
    max-width: 1400px;
}

/* Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    padding: 1rem 1.5rem;
    border-bottom: none;
}

/* Tab Styling */
.card-header-tabs {
    margin: 0;
    border-bottom: none;
}

.card-header-tabs .nav-link {
    color: white;
    background-color: rgba(255, 255, 255, 0.2); /* Subtle background for inactive tabs */
    border: 1px solid transparent;
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
    margin-right: 5px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-header-tabs .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.card-header-tabs .nav-link.active {
    color: var(--primary-color);
    background-color: #f5f6fa; /* Matches light mode body background */
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), #0056b3) !important;
    box-shadow: var(--box-shadow-lg);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    transition: var(--transition);
    border: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #1e7e34);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #c82333);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #e0a800);
    color: var(--dark-color);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color), #138496);
}

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Wallet Cards */
.wallet-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

.wallet-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.wallet-card.shared {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.wallet-balance {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.wallet-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.wallet-description {
    opacity: 0.9;
    font-size: 0.9rem;
}

/* Transaction Items */
.transaction-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
    cursor: pointer;
}

.transaction-item:hover {
    box-shadow: var(--box-shadow);
    transform: translateX(5px);
}

.transaction-item.income {
    border-left-color: var(--success-color);
}

.transaction-item.expense {
    border-left-color: var(--danger-color);
}

.transaction-amount {
    font-weight: 700;
    font-size: 1.1rem;
}

.transaction-amount.income {
    color: var(--success-color);
}

.transaction-amount.expense {
    color: var(--danger-color);
}

.transaction-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
    margin-right: 0.5rem;
}

.transaction-date {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* Statistics Cards */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    border: none;
    box-shadow: var(--box-shadow);
    position: relative;
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--secondary-color);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.stat-card.income .stat-value {
    color: var(--success-color);
}

.stat-card.expense .stat-value {
    color: var(--danger-color);
}

.stat-card.users .stat-value {
    color: var(--warning-color);
}

.stat-card.balance .stat-value {
    color: var(--primary-color);
}

.stat-card.wallets .stat-value {
    color: var(--info-color);
}

.stat-card.transactions .stat-value {
    color: #6f42c1; /* A nice purple */
}

.stat-card.balance .stat-value-multi {
    color: var(--primary-color);
    font-weight: 700;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-dismissible .btn-close {
    padding: 1.25rem 1rem;
}

/* Loading Spinner */
.spinner-border {
    width: 2rem;
    height: 2rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .container-fluid {
        padding: 0.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .wallet-card {
        padding: 1rem;
    }
    
    .wallet-balance {
        font-size: 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .navbar-nav {
        text-align: center;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .btn-group .btn {
        width: auto;
        margin-bottom: 0;
    }
}

/* PWA Styles */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    z-index: 1050;
    display: none;
}

.install-prompt.show {
    display: block;
    animation: slideUp 0.3s ease;
}

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

/* Category Icons */
.category-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 1rem;
}

/* Invite Code */
.invite-code {
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--light-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: 2px dashed var(--primary-color);
    text-align: center;
    letter-spacing: 2px;
}

/* Charts */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: rgba(255, 255, 255, 0.7);
}

footer p {
    margin-bottom: 0;
}

footer .fa-heart {
    /* Ensure the heart icon's color is not overridden */
    color: var(--danger-color) !important;
}


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

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

/* Touch Friendly */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .transaction-item {
        min-height: 60px;
        display: flex;
        align-items: center;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e9ecef;
    }
    
    .card {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .form-control {
        background-color: #2d3748;
        border-color: #4a5568;
        color: #e9ecef;
    }
    
    .form-control::placeholder {
        /* Lighter placeholder text for dark mode */
        color: #adb5bd;
    }
    
    .form-control:focus {
        background-color: #2d3748;
        border-color: var(--primary-color);
        color: #e9ecef;
    }

    .form-label {
        color: #e9ecef;
    }

    .card-header-tabs .nav-link {
        color: #e9ecef;
        background-color: rgba(255, 255, 255, 0.1); /* Increased visibility for inactive tabs */
    }

    .card-header-tabs .nav-link.active {
        background-color: #2d3748; /* Matches dark card body */
        color: #e9ecef;
    }

    .form-text {
        /* Use a lighter color for form helper text in dark mode */
        color: #adb5bd;
    }

    .form-select {
        background-color: #2d3748;
        border-color: #4a5568;
        color: #e9ecef;
        /* SVG icon for the dropdown arrow, with a light color for dark mode */
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e9ecef' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    }

    .text-muted {
        /* A lighter gray for better contrast in dark mode */
        color: #adb5bd !important; 
    }

    .modal-content {
        background-color: #2d3748;
        color: #e9ecef;
        border-color: #4a5568;
    }

    .modal-header, .modal-footer {
        border-color: #4a5568;
    }

    .btn-close {
        filter: invert(1) grayscale(100%) brightness(200%);
    }

    .invite-code {
        background: #1a1a1a;
        color: #e9ecef;
        border-color: var(--primary-color);
    }

    .card-footer {
        border-top: 1px solid #4a5568;
    }

    .segmented-control .btn-check:checked+.btn {
        background-color: var(--primary-color);
        border-color: var(--primary-color);
        color: white;
    }

    .segmented-control .btn-check:checked+.btn.expense-btn {
        background-color: var(--danger-color);
        border-color: var(--danger-color);
    }

    .segmented-control .btn-check:checked+.btn.income-btn {
        background-color: var(--success-color);
        border-color: var(--success-color);
    }

    .segmented-control .btn {
        color: #e9ecef;
        background-color: #4a5568;
        border-color: #4a5568;
    }
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm {
    box-shadow: var(--box-shadow) !important;
}

.shadow-lg {
    box-shadow: var(--box-shadow-lg) !important;
}

.rounded-lg {
    border-radius: var(--border-radius) !important;
}

.transition {
    transition: var(--transition);
}

/* Segmented Control for Forms */
.segmented-control .btn {
    transition: var(--transition);
}

.segmented-control .btn-check:checked+.btn {
    color: white;
}

.segmented-control #type_expense:checked ~ label[for="type_expense"] {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.segmented-control #type_income:checked ~ label[for="type_income"] {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* Category Selector UI */
.category-icon-preview {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
}

.category-select-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.category-select-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.category-select-name {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.btn-group form {
    display: inline-block;
}