/* Variáveis CSS */
:root {
    /* Cores */
    --primary-color: #7B2CBF;
    --primary-dark: #5A189A;
    --primary-light: #9D4EDD;
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --background: #1A0B2E;
    --card-background: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --border-color: rgba(255, 255, 255, 0.1);
    --danger-color: #DC2626;
    --danger-hover: #B91C1C;
    
    /* Tipografia */
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --border-radius: 12px;
    --container-padding: 1.5rem;
    
    /* Cores do gradiente */
    --gradient-start: #1a0b2e;
    --gradient-middle: #2f1155;
    --gradient-end: #3b0764;
}

/* Reset e Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-secondary);
    min-height: 100vh;
    margin: 0;
    color: var(--text-primary);
    background: linear-gradient(135deg, 
        var(--gradient-start) 0%,
        var(--gradient-middle) 50%,
        var(--gradient-end) 100%) fixed;
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.calculator-title {
    font-family: var(--font-primary);
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.step-title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form-label {
    font-family: var(--font-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-input,
.form-select {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 400;
}

.btn {
    font-family: var(--font-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
}

.version {
    font-family: var(--font-secondary);
    font-size: 0.75rem;
}

/* Logotipo */
.logo {
    display: block;
    margin: var(--spacing-md) auto;
    width: 150px;
    height: auto;
    transition: var(--transition);
}

/* Container Principal */
.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.calculator-container {
    background: rgba(59, 7, 100, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 1.5rem;
}

/* Cabeçalho */
h1 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

/* Progress Steps */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin: var(--spacing-lg) 0;
    padding: 0 var(--spacing-sm);
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%);
}

.step {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--card-background);
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.step-text {
    font-size: 0.75rem;
    max-width: 80px;
    white-space: normal;
    text-align: center;
}

.step.active .step-number {
    background: #fff;
    color: var(--primary-color);
    border-color: #fff;
    transform: scale(1.1);
}

/* Formulário */
.form-section {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.form-section.active {
    display: block;
}

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

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
}

input,
select {
    width: 100%;
    padding: 12px;
    background: var(--input-background);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

select {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

select option {
    background-color: #2c3e50;
    color: white;
    padding: 12px;
}

select::-webkit-listbox {
    background-color: #2c3e50;
    color: white;
}

select option:checked,
select option:hover {
    background-color: var(--primary-color);
    color: white;
}

select::-webkit-scrollbar {
    width: 8px;
}

select::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

select::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

select::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

select[multiple] {
    height: auto;
    min-height: 120px;
    padding: 0;
}

select[multiple] option {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

input:focus,
select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
    margin-left: var(--spacing-xs);
}

.tooltip i {
    color: rgba(255, 255, 255, 0.7);
    cursor: help;
}

.tooltip-text {
    visibility: hidden;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    width: 200px;
    text-align: center;
    z-index: 1;
    opacity: 0;
    transition: var(--transition);
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
    bottom: calc(100% + 5px);
}

/* Botões */
.button-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

button {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

button[type="submit"],
.next-btn {
    background: var(--primary-color);
}

.prev-btn {
    background: rgba(255, 255, 255, 0.1);
}

button:active {
    transform: translateY(1px);
}

/* Cards de Resultado */
.result-cards {
    display: grid;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.result-card {
    background: var(--card-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
}

.result-card.total {
    background: rgba(255, 255, 255, 0.2);
    grid-column: 1 / -1;
}

.result-card h3 {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.amount {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Gráfico */
.chart-container {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--card-background);
    border-radius: var(--border-radius);
    height: 300px;
}

/* Recomendações */
.recommendations-section {
    margin-top: var(--spacing-lg);
}

.recommendations-list {
    list-style: none;
    padding: 0;
}

.recommendations-list li {
    margin-bottom: var(--spacing-sm);
    padding-left: 24px;
    position: relative;
}

.recommendations-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Seção de Resultados */
#section4 {
    animation: fadeIn 0.5s ease-out;
}

#section4 .result {
    display: block;
}

.result h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.result-cards {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .result-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .result-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.result-card {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
}

.result-card.total {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.2);
}

.result-card h3 {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.9);
}

.amount {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Gráfico */
.chart-container {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    height: 300px;
}

/* Recomendações */
.recommendations-section {
    margin: var(--spacing-lg) 0;
}

.recommendations-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.recommendations-list {
    list-style: none;
    padding: 0;
}

.recommendations-list li {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
    position: relative;
    padding-left: 24px;
}

.recommendations-list li::before {
    content: "•";
    position: absolute;
    left: 10px;
    color: var(--primary-color);
}

/* Botões de Ação */
.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.action-buttons button {
    flex: 1;
    min-width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-buttons i {
    font-size: 1rem;
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .container {
        max-width: 800px;
    }

    .result-cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-number {
        width: 40px;
        height: 40px;
    }

    .step-text {
        font-size: 0.875rem;
    }
}

@media (min-width: 1024px) {
    .result-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Estilos para a seção de resultados */
.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0 1rem;
}

.results-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cost-summary {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cost-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.cost-card.total {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.cost-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary-light);
}

.cost-content {
    flex: 1;
}

.cost-card h3,
.cost-card h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.cost-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0.25rem 0;
    color: var(--primary-light);
}

.cost-card.total .cost-value {
    color: white;
    font-size: 1.75rem;
}

.cost-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.severity-indicator {
    display: flex;
    gap: 4px;
    margin-top: 0.5rem;
}

.severity-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.severity-indicator .dot.active {
    background: white;
}

.chart-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.25rem;
    margin-top: 1rem;
    height: 240px;
}

.chart-container h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-primary);
}

#costChart {
    width: 100%;
    height: calc(100% - 2rem);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

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

.btn i {
    font-size: 1rem;
}

.version {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.5;
}