/* Importando as fontes */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@600;700&display=swap');

/* Variáveis de Cores (Ajustadas para a tela mobile) */
:root {
    --bg-color: #0d0d0f;
    --card-bg: #151518;
    --input-bg: #1c1c1f;
    --text-primary: #ffffff;
    --text-secondary: #8a8a8e;
    --accent-color: #dfb552;
    --positive-color: #34c759; /* Verde estilo iOS */
    --negative-color: #ff3b30; /* Vermelho estilo iOS */
    --border-color: #2c2c2e;
}

/* Reset Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Garante que padding e bordas não aumentem a largura real */
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden; /* Corta qualquer resquício de rolagem horizontal acidental */
}

/* Container Principal (Mobile) */
.page-wrapper {
    width: 100%;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Elementos-padrão */
.chess-piece {
    font-size: x-large;
}

/* Ocultar elementos e contêineres de Desktop */
.sidebar, .mobile-hide, .desktop-only, .hidden {
    display: none !important;
}

/* Anúncios Mobile */
.ad-banner {
    border: 1px dashed var(--border-color);
    background-color: #121214;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 4px;
    width: 100%;
}

.ad-top, .ad-bottom { height: 100px; }
.ad-side { height: 570px; }

/* Cabeçalho */
.page-header {
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--accent-color);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.title {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1.1;
}

.description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Cartões */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1rem;
}

/* Formulário e Inputs (Garantindo que fiquem lado a lado sem vazar) */
.form-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    flex: 1; 
    min-width: 0; /* Propriedade mágica que impede quebra de layout no flexbox */
}

label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input[type="number"] {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    outline: none;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
}

input[type="number"]:focus {
    border-color: var(--accent-color);
}

.input-small {
    width: 80px !important; /* Campo menor para o K-Factor */
}

.helper-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* Match Result (Slider e Labels) */
.result-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    letter-spacing: 1px;
    font-weight: 600;
}

.result-labels span {
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--bg-color);
}

.result-labels .active {
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-radius: 4px;
}

.result-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 95%;
    height: 4px;
    background: var(--input-bg);
    border-radius: 2px;
    outline: none;
    margin: 0.5rem auto auto;
}

.result-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: 2px solid var(--bg-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

/* Botão Calculate */
.btn-calculate {
    width: 100%;
    background-color: var(--accent-color);
    color: #000; /* Texto escuro com fundo amarelo p/ contraste */
    border: none;
    padding: 1rem;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 6px;
    cursor: pointer;
}

/* Bloco de Resultados */
.results-card {
    gap: 1rem;
}

.card-title {
    font-size: 0.75rem;
    color: var(--accent-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--input-bg);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.player-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.score-calc {
    font-family: monospace;
    font-size: 1rem;
}

.positive { color: var(--positive-color); }
.negative { color: var(--negative-color); }

.results-footer {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.7rem;
    padding: 1rem 0;
}

/* --- RESPONSIVIDADE PARA DESKTOP (Telas >= 768px) --- */
@media (min-width: 768px) {
    /* Centraliza a aplicação e define uma largura máxima */
    .page-wrapper {
        max-width: 1000px;
        margin: 0 auto; 
        padding: 2.5rem 2rem;
    }

    /* Ativa o layout de duas colunas (Conteúdo + Sidebar) */
    .content-wrapper {
        display: flex;
        flex-direction: row;
        gap: 2rem;
        align-items: flex-start;
    }

    .main-content {
        flex: 1; /* Permite que o conteúdo principal preencha o espaço restante */
    }

    /* Exibe a barra lateral com o anúncio */
    .sidebar {
        display: block !important;
        width: 160px;
        flex-shrink: 0;
    }

    /* Alterna a visibilidade dos anúncios inferior/superior e rodapé */
    .mobile-hide {
        display: flex !important;
    }

    .desktop-hide {
        display: none !important;
    }

    /* Ajustes visuais para melhorar o espaçamento em telas grandes */
    .title {
        font-size: 3rem;
        margin-bottom: 0.5rem;
    }
    
    .card {
        padding: 1.5rem;
    }

    .form-row {
        gap: 1.5rem;
    }
}