/* --- Variáveis de Cor (Paleta "Neon Tech") --- */
:root {
    --bg-color: #121212; /* Fundo principal (preto) */
    --card-color: #1e1e1e; /* Fundo dos cards (grafite) */
    --border-color: #2f2f2f; /* Bordas sutis */
    --text-primary: #e0e0e0; /* Texto principal (cinza claro) */
    --text-secondary: #aaaaaa; /* Texto secundário (cinza) */
    --accent-color: #00ff9a; /* Destaque (verde neon) */
    --accent-color-dark: #00b36e;
    --accent-color-transparent: rgba(0, 255, 154, 0.1);
    
    --temp-color: #ff5252; /* Vermelho para temperatura */
    --pressure-color: #448aff; /* Azul para pressão */
    --humidity-color: #29b6f6; /* Ciano para umidade */
    --uv-color: #fdd835; /* Amarelo para UV */

    --font-family: 'Sora', 'Segoe UI', system-ui, sans-serif;
}

/* --- Resets e Estilos Globais --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    display: flex;
    height: 100vh;
    overflow: hidden; /* Impede o scroll da página inteira */
}

h1, h2, h3 {
    font-weight: 600;
}

/* --- Layout Principal --- */
.dashboard-container {
    display: flex;
    width: 100%;
    height: 100%;
}

/* --- Barra Lateral (Sidebar) --- */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    background-color: var(--card-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto; /* Permite scroll na sidebar se precisar */
}

.sidebar-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}
.sidebar-header h2 {
    color: var(--accent-color);
    font-weight: 700;
    letter-spacing: 1px;
}
.sidebar-header span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.sidebar-nav {
    flex-grow: 1;
}
.sidebar-nav h3 {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Widgets de Dados Atuais */
.data-widget {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    background-color: var(--bg-color);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease;
}
.data-widget:hover {
    border-color: var(--accent-color);
}

.widget-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    padding: 10px;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
}
.widget-info span {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
}
.widget-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Cores dos ícones dos widgets */
.icon-temp { background-color: rgba(255, 82, 82, 0.1); color: var(--temp-color); }
.icon-humidity { background-color: rgba(41, 182, 246, 0.1); color: var(--humidity-color); }
.icon-wind { background-color: rgba(0, 255, 154, 0.1); color: var(--accent-color); }
.icon-pressure { background-color: rgba(68, 138, 255, 0.1); color: var(--pressure-color); }

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
}
.sidebar-footer button {
    background-color: var(--accent-color);
    color: #000;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 10px;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.sidebar-footer button:hover {
    background-color: var(--accent-color-dark);
}
.sidebar-footer p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}
#statusText {
    color: var(--accent-color);
    font-weight: 600;
}

/* --- Conteúdo Principal (Gráficos) --- */
.main-content {
    flex-grow: 1;
    padding: 30px;
    overflow-y: auto; /* Permite scroll se os gráficos não couberem */
}

.main-content h1 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.chart-card {
    background-color: var(--card-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    
    /* A CORREÇÃO VITAL: 
    Isso "prende" o canvas do Chart.js dentro do card,
    impedindo que ele tente criar um canvas infinito
    quando executado no Live Server.
    */
    position: relative; 
}
.chart-card.large {
    grid-column: span 2; /* Faz o gráfico ocupar 2 colunas */
}
.chart-card h3 {
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 1rem;
}

/* Contêiner para Medidores (Gauge) */
.gauge-container {
    position: relative;
    flex-grow: 1;
    display: grid;
    place-items: center;
}
.gauge-text {
    position: absolute;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}
#uvText.gauge-text {
    font-size: 3rem; /* UV é só um número, pode ser maior */
}

/* --- Responsividade --- */
@media (max-width: 1200px) {
    .chart-card.large {
        grid-column: span 1; /* Em telas menores, o gráfico largo ocupa 1 coluna */
    }
}
@media (max-width: 900px) {
    body {
        height: auto;
        overflow: auto; /* Permite scroll em telas pequenas */
    }
    .dashboard-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        overflow-y: visible;
    }
    .main-content {
        height: auto;
        overflow-y: visible;
    }
}