* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, sans-serif;
    background: #f2f2f2;
    margin: 0;
    padding: 20px;
}

main {
    max-width: 600px;
    margin: auto;
}

h1 {
    text-align: center;
    font-size: 2.5rem;
}

section,
form {
    background: white;
    padding: 20px;
    border-radius: 16px;
    margin-bottom: 20px;
}

.today {
    text-align: center;
}

.counter {
    font-size: 4rem;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    border: 1px solid #ccc;
    border-radius: 10px;
    margin-bottom: 12px;
}

.actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

button {
    padding: 16px;
    font-size: 1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}

.item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.item span {
    opacity: 0.6;
}