/* CSS Variables for Color Palette */
:root {
    --primary-color: #00ADB5;
    --secondary-color: #FFD369;
    --dark-primary: #222831;
    --dark-secondary: #393E46;
    --light-color: #EEEEEE;
    --white: #FFFFFF;
    --shadow: rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-primary: #222831;
    --bg-secondary: #393E46;
    --text-primary: #EEEEEE;
    --text-secondary: #FFFFFF;
    --card-bg: #393E46;
    --border-color: #00ADB5;
}

[data-theme="light"] {
    --bg-primary: #FFFFFF;
    --bg-secondary: #EEEEEE;
    --text-primary: #222831;
    --text-secondary: #393E46;
    --card-bg: #FFFFFF;
    --border-color: #00ADB5;
}

/* Base Styles - Brutalism Inspired */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

/* Typography - Bold and Impactful */
h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.display-1, .display-2, .display-3, .display-4 {
    font-weight: 900;
    text-shadow: 2px 2px 0px var(--primary-color);
}

/* Header */
.header-main {
    background: linear-gradient(135deg, var(--dark-primary) 0%, var(--dark-secondary) 100%);
    box-shadow: 0 4px 20px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--secondary-color) !important;
    text-shadow: 2px 2px 0px var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-primary) 100%);
    color: var(--white);
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-image {
    text-align: center;
    color: var(--secondary-color);
    opacity: 0.8;
}

/* Buttons - Brutalist Style */
.btn {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 3px solid;
    border-radius: 0;
    transition: var(--transition);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.2);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--dark-primary);
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.3);
}

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

.btn-outline-light {
    border-color: var(--light-color);
    color: var(--light-color);
}

/* Cards - Brutalist Design */
.card {
    border: 3px solid var(--border-color);
    border-radius: 0;
    box-shadow: 8px 8px 0px rgba(0, 0, 0, 0.1);
    background-color: var(--card-bg);
    transition: var(--transition);
}

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 12px 12px 0px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--primary-color);
    color: var(--white);
    border-bottom: 3px solid var(--dark-primary);
    font-weight: 700;
}

.simulator-card, .results-card {
    margin-bottom: 2rem;
}

/* Form Elements */
.form-control, .form-select {
    border: 3px solid var(--border-color);
    border-radius: 0;
    font-weight: 600;
    background-color: var(--card-bg);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(255, 211, 105, 0.25);
}

.form-label {
    color: var(--text-primary);
    font-weight: 700;
}

/* Results Section */
.metric-card {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border: 3px solid var(--dark-primary);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.1);
}

.metric-value {
    font-size: 2rem;
    font-weight: 900;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.3);
}

.metric-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Progress Bar */
.progress {
    height: 30px;
    border: 3px solid var(--border-color);
    border-radius: 0;
    background-color: var(--bg-secondary);
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    font-weight: 700;
    color: var(--dark-primary);
}

/* Steps Section */
.bg-light-section {
    background-color: var(--bg-secondary);
}

.step-card {
    text-align: center;
    padding: 2rem;
    margin-bottom: 2rem;
    background-color: var(--card-bg);
    border: 3px solid var(--border-color);
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.step-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0px rgba(0, 0, 0, 0.15);
}

.step-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.1);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Chart Container */
.chart-container {
    background-color: var(--card-bg);
    padding: 1rem;
    border: 3px solid var(--border-color);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.1);
}

/* Accordion - Brutalist Style */
.accordion-item {
    border: 3px solid var(--border-color);
    border-radius: 0;
    margin-bottom: 1rem;
    background-color: var(--card-bg);
}

.accordion-button {
    background-color: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    border: none;
    border-radius: 0;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--secondary-color);
}

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

.accordion-body {
    background-color: var(--card-bg);
    color: var(--text-primary);
    font-weight: 500;
}

/* Modal */
.modal-content {
    border: 3px solid var(--border-color);
    border-radius: 0;
    background-color: var(--card-bg);
}

.modal-header {
    background-color: var(--primary-color);
    color: var(--white);
    border-bottom: 3px solid var(--dark-primary);
}

.modal-body {
    color: var(--text-primary);
}

/* Offcanvas */
.offcanvas {
    background-color: var(--card-bg);
    border-left: 3px solid var(--border-color);
}

.offcanvas-header {
    background-color: var(--primary-color);
    color: var(--white);
    border-bottom: 3px solid var(--dark-primary);
}

.offcanvas-body {
    color: var(--text-primary);
}

/* Footer */
.footer-main {
    background-color: var(--dark-primary);
    color: var(--light-color);
    border-top: 3px solid var(--primary-color);
}

/* Ad Containers */
.ad-banner, .ad-container {
    margin: 2rem 0;
    text-align: center;
    min-height: 100px;
    background-color: var(--bg-secondary);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-banner::before, .ad-container::before {
    content: "Publicidade";
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
        padding: 3rem 0;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .metric-card {
        margin-bottom: 1rem;
    }
    
    .step-card {
        padding: 1.5rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .display-4 {
        font-size: 1.75rem;
    }
    
    .metric-value {
        font-size: 1.5rem;
    }
    
    .step-icon {
        font-size: 2rem;
    }
    
    .card {
        box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.1);
    }
    
    .card:hover {
        transform: translate(-1px, -1px);
        box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.15);
    }
}

/* Dark Mode Toggle Animation */
#dark-mode-toggle {
    transition: var(--transition);
}

#dark-mode-toggle:hover {
    transform: rotate(180deg);
}

/* 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(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Accessibility Improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus States */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 3px solid var(--secondary-color);
    outline-offset: 2px;
}

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

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #FFFF00;
        --text-primary: #000000;
        --bg-primary: #FFFFFF;
    }
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border: 2px solid var(--bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}