* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #c1464a;
    --color-secondary: #a91c23;
    --neutral: #F9F9F9;
    --black: #131730;
    --font-title: "Krona One", sans-serif;
    --font-text: 'Numans', sans-serif;
    --blue-gradient: #0B172E;  /* fallback for old browsers */
}

body {
    background: var(--blue-gradient);
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

main {
    background-color: var(--neutral);
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    width: 90%;
    max-width: 440px;
    padding: 32px;
    align-items: center;
    border-radius: 16px;
}

h2 {
    font-family: var(--font-title);
    color: var(--color-primary);
    font-size: 20px;
    font-weight: 400;
}

hr {
    border: none;
    border-bottom: 3px dotted var(--color-primary);
    margin-bottom: 16px;
}

p {
    font-family: var(--font-text);
    font-size: 16px;
}

/* Form */
form {
    display: flex;
    gap: 8px;
    width: 100%;
}

.form__input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 24px;
    border: 1px solid var(--black);
    font-family: var(--font-text);
}

.form__input::placeholder {
    font-family: "Montserrat", sans-serif;
    font-size: 16px;
}

.form__button {
    padding: 12px 16px;
    border-radius: 24px;
    background-color: var(--color-primary);
    color: var(--neutral);
    font-family: var(--font-text);
    border: none;
    cursor: pointer;
}

.form__button:hover {
    background-color: var(--color-secondary);
}

.form__button:focus {
    outline: 2px solid var(--black);
}

/* Shopping List */

.shopping-list__container {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.shopping-list__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

ul {
    list-style: none;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.item-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checked-text {
    color: gray;
    text-decoration: line-through;
}

.shopping-list__date {
    font-size: 12px;
    line-height: 16px;
    color: #555;
}

.shopping-list__remove {
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--color-primary);
    font-weight: bold;
}