/* CSS Reset and Base Styles */
:root {
    --primary-color: #1A1A2E;
    --secondary-color: #16213E;
    --accent-color: #0F3460;
    --highlight-color: #E94560;
    --white-color: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #6C757D;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* Dark mode variables */
[data-theme="dark"] {
    --primary-color: #0D1117;         /* Fundo principal escuro */
    --secondary-color: #161B22;       /* Cartões, containers */
    --accent-color: #1F6FEB;          /* Destaques/links/botões */
    --highlight-color: #E94560;       /* Erros ou ações importantes */
    --white-color: #F8F9FA;           /* Realmente branco/claro */
    --light-gray: #2D333B;            /* Bordas ou planos intermediários */
    --dark-gray: #6C757D;             /* Texto secundário */
    --text-color: #E6EDF3;            /* Texto principal */
    --text-muted: #8B949E;            /* Texto desativado */
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    margin-top: 2rem;
    margin-bottom: 5rem;
    background-color: var(--primary-color);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--light-gray);
    transition: var(--transition);
}

/* Dark mode styles */
[data-theme="dark"] body {
    background-color: var(--primary-color);
    color: var(--text-color);
}

[data-theme="dark"] .card {
    background-color: var(--secondary-color);
    border-color: var(--light-gray);
    color: var(--text-color);
    box-shadow: var(--shadow); /* Sombra leve no escuro */
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: var(--light-gray);
    border-color: var(--dark-gray);
    color: var(--text-color);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    background-color: var(--light-gray);
    border-color: var(--accent-color);
    color: var(--text-color);
    box-shadow: 0 0 0 0.25rem rgba(31, 111, 235, 0.25); /* Azul translúcido */
}

[data-theme="dark"] .input-group-text {
    background-color: var(--light-gray);
    border-color: var(--dark-gray);
    color: var(--text-color);
}

[data-theme="dark"] .accordion-item {
    background-color: var(--secondary-color);
    border-color: var(--dark-gray);
}

[data-theme="dark"] .accordion-button {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-color: var(--dark-gray);
}

[data-theme="dark"] .list-unstyled {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-color: var(--dark-gray);
}

[data-theme="dark"] .list-unstyled {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-color: var(--dark-gray);
}


[data-theme="dark"] .accordion-button:not(.collapsed) {
    background-color: var(--accent-color);
    color: var(--white-color);
}

[data-theme="dark"] .modal-content {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .offcanvas {
    background-color: var(--secondary-color);
    color: var(--text-color);
}
/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
    box-shadow: var(--shadow);
}

.header h1 {
    color: var(--white-color);
}

.header .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Button Styles */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--highlight-color) 0%, #c73650 100%);
    color: var(--white-color);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #c73650 0%, var(--highlight-color) 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

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

/* Card Styles */
.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
    border-bottom: none;
    padding: var(--spacing-lg);
}

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

/* Form Styles */
.form-control,
.form-select {
    border: 2px solid #E9ECEF;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 0.25rem rgba(233, 69, 96, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

[data-theme="dark"] .form-label {
    color: var(--text-color);
}

.input-group-text {
    background-color: var(--light-gray);
    border: 2px solid #E9ECEF;
    border-right: none;
    font-weight: 600;
    color: var(--dark-gray);
}

.input-group .form-control {
    border-left: none;
}

.input-group .form-control:focus {
    border-left: none;
}

/* Progress Bar Styles */
.progress {
    height: 12px;
    border-radius: var(--border-radius);
    background-color: #E9ECEF;
    overflow: hidden;
}

.progress-bar {
    border-radius: var(--border-radius);
    transition: width 0.6s ease;
}

.progress-bar.bg-success {
    background: linear-gradient(90deg, var(--success-color), #20c997);
}

.progress-bar.bg-warning {
    background: linear-gradient(90deg, var(--warning-color), #ffb347);
}

.progress-bar.bg-danger {
    background: linear-gradient(90deg, var(--danger-color), #ff6b6b);
}

/* Chart Container */
#budgetChartContainer {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    background-color: var(--light-gray);
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-sm);
    transition: var(--transition);
    overflow-x: auto;
    text-align: center;
}

#budgetChart {
    width: 100%;
    max-width: 400px; /* Limite para não estourar em telas grandes */
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Modo escuro */
[data-theme="dark"] #budgetChartContainer {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow);
}


/* Results Section */
#resultsSection .display-6 {
    font-weight: 700;
    color: var(--highlight-color);
}

[data-theme="dark"] #resultsSection .display-6 {
    color: var(--highlight-color);
}

/* Risk Level Indicators */
.bg-success.bg-opacity-10 {
    background-color: rgba(40, 167, 69, 0.1) !important;
}

.bg-warning.bg-opacity-10 {
    background-color: rgba(255, 193, 7, 0.1) !important;
}

.bg-danger.bg-opacity-10 {
    background-color: rgba(220, 53, 69, 0.1) !important;
}

[data-theme="dark"] .bg-success.bg-opacity-10 {
    background-color: rgba(40, 167, 69, 0.2) !important;
}

[data-theme="dark"] .bg-warning.bg-opacity-10 {
    background-color: rgba(255, 193, 7, 0.2) !important;
}

[data-theme="dark"] .bg-danger.bg-opacity-10 {
    background-color: rgba(220, 53, 69, 0.2) !important;
}

/* Accordion Styles */
.accordion-button {
    font-weight: 600;
    padding: var(--spacing-lg);
}

.accordion-button:not(.collapsed) {
    background-color: var(--light-gray);
    color: var(--primary-color);
}

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

/* FAQ Section */
.accordion-item {
    border: 1px solid rgba(0, 0, 0, 0.125);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* Empty State */
#emptyState {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

[data-theme="dark"] #emptyState {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
}

#emptyState .display-1 {
    opacity: 0.5;
}

/* Offcanvas Styles */
.offcanvas {
    border: none;
    box-shadow: var(--shadow-lg);
}

.offcanvas-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
}

.offcanvas-title {
    color: var(--white-color);
}

.btn-close {
    filter: invert(1);
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
    margin-top: auto;
}

.footer h5,
.footer h6 {
    color: var(--white-color);
}

.footer .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Ad Banner Styles */
.ad-banner {
    min-height: 90px;
    background-color: #f8f9fa;
    border: 1px dashed #dee2e6;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

[data-theme="dark"] .ad-banner {
    background-color: var(--secondary-color);
    border-color: var(--accent-color);
}

.ad-banner::before {
    content: "Publicidade";
    color: var(--dark-gray);
    font-size: 0.875rem;
    opacity: 0.7;
}

[data-theme="dark"] .ad-banner::before {
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .header {
        text-align: center;
    }
    
    .header .col-md-4 {
        margin-top: var(--spacing-md);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .display-6 {
        font-size: 2rem;
    }
    
    .accordion-button,
    .accordion-body {
        padding: var(--spacing-md);
    }
    
    .btn {
        font-size: 0.875rem;
    }
    
    .offcanvas {
        width: 100% !important;
    }
}

@media (max-width: 576px) {
    .row.g-2 > * {
        margin-bottom: var(--spacing-md);
    }
    
    .btn-group-vertical .btn {
        margin-bottom: var(--spacing-sm);
    }
    
    .card-header {
        padding: var(--spacing-md);
    }
    
    .display-6 {
        font-size: 1.75rem;
    }
    
    .footer {
        text-align: center;
    }
    
    .footer .col-md-4 {
        margin-top: var(--spacing-lg);
    }
}

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

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

.slide-in {
    animation: slideIn 0.3s ease-out;
}

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

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--highlight-color);
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Utility Classes */
.text-primary {
    color: var(--highlight-color) !important;
}

.bg-primary {
    background-color: var(--highlight-color) !important;
}

.border-primary {
    border-color: var(--highlight-color) !important;
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus,
.accordion-button:focus {
    outline: 2px solid var(--highlight-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #333333;
        --highlight-color: #0066CC;
        --white-color: #FFFFFF;
    }
    
    .btn-primary {
        background: var(--highlight-color);
        border: 2px solid var(--highlight-color);
    }
    
    .card {
        border: 2px solid var(--primary-color);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn,
    .offcanvas,
    .modal,
    .ad-banner {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .text-primary {
        color: black !important;
    }
}