/* Base layout */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 0;
}

/* Header */
header {
    background-color: forestgreen;
    color: white;
    padding: 1rem;
    text-align: center;
    font-size: 1.8rem;
}

/* Main container */
.container {
    width: 90%;
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

/* Headings */
h2 {
    color: #5f27cd;
    border-bottom: 2px solid #5f27cd;
    padding-bottom: 0.5rem;
    margin-top: 2rem;
}

/* Day section */
.day {
    margin: 2rem 0;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

.time {
    font-weight: bold;
    color: #1c1c1c;
}

.activity {
    margin: 0.5rem 0;
    line-height: 1.6;
}

/* Highlighted activity block */
.highlight {
    background: #e4e7ff;
    padding: 0.4rem 0.7rem;
    border-radius: 4px;
    display: inline-block;
}

/* Footer */
footer {
    text-align: center;
    padding: 1rem;
    background: #5f27cd;
    color: white;
    margin-top: 2rem;
}

/* Gas calculator */
.gas-calculator {
    margin-top: 2rem;
}

.gas-calculator input {
    display: block;
    margin: 0.5rem 0;
    padding: 0.5rem;
    width: 100%;
    max-width: 300px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.gas-calculator button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background-color: forestgreen;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.gas-calculator button:hover {
    background-color: #388e3c;
}