/* --- RESET & BASE --- */
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Karla', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    transition: background-color 0.3s ease;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- HEADER --- */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--accent-gradient);
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    color: white;
}

header h1 {
    margin: 0;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* --- BOTÃO DE TEMA --- */
.btn-theme {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 8px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 700;
    color: white;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}
.btn-theme:hover { 
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* --- FOOTER --- */
footer {
    margin-top: auto;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
    background: var(--bg-secondary);
}

/* Styling for interactive markers */
.marker-dot {
    position: absolute;
    transform: translate(-50%, -50%);
}