:root {
    --color-primary: #432818;
    --color-secondary: #8c6c5b;
    --color-accent: #c89f94;
    --color-light: #f5f0e8;
    --color-dark: #2a180e;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--color-light);
    color: var(--color-dark);
    line-height: 1.6;
    padding: 0;
}

.page-wrapper {
    display: flex;
    width: 100%;
    max-width: 1800px; /* Aumentado para acomodar anúncios laterais */
    margin: 0 auto;
    position: relative;
}

/* Conteúdo principal */
.main-content {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    flex: 1 1 auto;
}

/* Estilo das barras laterais de anúncios */
.ad-sidebar {
    width: 160px; /* Tamanho padrão para anúncios sky */
    height: 100%;
    position: sticky;
    top: 20px; /* Fixa o anúncio ao rolar a página */
    padding: 0 10px;
}

/* Contêiner de anúncios */
.ad-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Unidades de anúncio */
.ad-unit {
    width: 100%;
    background-color: transparent;
    overflow: hidden;
}

/* Estilos específicos por formato */
.ad-skyscraper {
    min-height: 600px;
    /* Formato padrão sky */
}

.ad-square {
    min-height: 250px;
    /* Formato médio retangular */
    margin-top: 20px;
}

.ad-mobile {
    min-height: 100px;
    margin: 20px auto;
    max-width: 320px;
}

/* Etiqueta para indicar anúncio */
.ad-label {
    font-size: 11px;
    text-transform: uppercase;
    color: #8c6c5b;
    opacity: 0.7;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

/* Conteúdo do anúncio */
.ad-content {
    width: 100%;
    height: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    color: #8c6c5b;
}

/* Anúncios para mobile (visíveis apenas em dispositivos pequenos) */
.mobile-ads {
    display: none;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--color-primary);
    color: white;
    padding: 2rem 0;
    text-align: center;
    border-bottom: 4px solid var(--color-secondary);
}

header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 60px;
    /* Altura fixa para manter proporcionalidade com o texto */
    width: auto;
    /* Largura automática para manter a proporção */
    object-fit: contain;
    /* Garante que a imagem seja exibida completamente */
    vertical-align: middle;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.2));
    /* Sombra sutil para destacar */
}

.logo span {
    display: inline-block;
    vertical-align: middle;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    /* Sombra no texto para melhorar legibilidade */
}

header p {
    max-width: 600px;
    opacity: 0.9;
}

main {
    padding: 3rem 0;
}

.calculator-container {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.custom-select-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.custom-select {
    position: relative;
    width: 100%;
}

.custom-select select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid rgba(140, 108, 91, 0.3);
    border-radius: 0.5rem;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: white;
    color: #432818;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    font-weight: 500;
}

.custom-select select:hover {
    border-color: #8c6c5b;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.custom-select select:focus {
    outline: none;
    border-color: #8c6c5b;
    box-shadow: 0 0 0 2px rgba(140, 108, 91, 0.2);
}

.custom-select .select-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #8c6c5b;
    transition: transform 0.2s ease;
}

.custom-select select:focus+.select-icon {
    transform: translateY(-50%) rotate(180deg);
}

/* Estilizando as opções (compatível com navegadores modernos) */
.custom-select select option {
    padding: 0.75rem;
    background-color: white;
    color: #432818;
}

/* Estilo hover/focus para as opções (suporte parcial) */
.custom-select select option:hover,
.custom-select select option:focus {
    background-color: rgba(140, 108, 91, 0.1);
}

/* Animação sutil na abertura (suporte específico) */
.custom-select select:focus {
    animation: selectExpand 0.2s ease-in-out;
}

@keyframes selectExpand {
    0% {
        transform: scale(0.99);
    }

    100% {
        transform: scale(1);
    }
}

/* Estilo adicional para dropdown aberto (compatível com alguns navegadores) */
.custom-select select:focus option {
    padding: 0.75rem;
    border-bottom: 1px solid rgba(140, 108, 91, 0.1);
}

/* Personalização avançada para dropdown */
@media (hover: hover) {
    .custom-select select:hover {
        background-color: rgba(245, 240, 232, 0.5);
    }
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-primary);
}

input,
select {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(140, 108, 91, 0.2);
}

.input-group {
    position: relative;
}

.input-group input {
    padding-left: 2.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-secondary);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.results-container {
    background: linear-gradient(135deg, var(--color-primary), var(--color-dark));
    color: white;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.results-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--color-accent);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-value {
    font-weight: 700;
    font-size: 1.1rem;
}

.total-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.info-card {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-top: 2rem;
}

.info-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-card h3 i {
    color: var(--color-secondary);
}

.info-card p {
    color: #555;
    margin-bottom: 1rem;
}

.info-card ul {
    list-style-type: none;
    margin-left: 1.5rem;
}

.info-card li {
    margin-bottom: 0.5rem;
    position: relative;
}

.info-card li::before {
    content: "☕";
    position: absolute;
    left: -1.5rem;
    color: var(--color-secondary);
}

footer {
    background-color: var(--color-dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

footer p {
    opacity: 0.8;
    margin-bottom: 1rem;
}

.highlight {
    background-color: rgba(200, 159, 148, 0.15);
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    margin: 1rem 0;
    border-left: 3px solid var(--color-accent);
}

/* Responsividade */
@media (max-width: 1200px) {
    .hidden-md {
        display: none;
        /* Esconde anúncios adicionais em telas médias */
    }

    .ad-sidebar {
        width: 160px;
        /* Reduz para tamanho padrão sky */
    }
}

@media (max-width: 992px) {
    .page-wrapper {
        flex-direction: column;
    }

    .ad-sidebar {
        display: none;
        /* Esconde barras laterais */
    }

    .mobile-ads {
        display: block;
        /* Mostra anúncios mobile */
    }

    .main-content {
        padding: 0 15px;
    }
}