/* Include padding and borders within each element's stated width. */
* {
    box-sizing: border-box;
}

/* Keep the hidden attribute working on elements whose class sets a display,
   such as .button (inline-block) or a flex container. */
[hidden] {
    display: none !important;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #222;
    background-color: #f5f5f5;
}

/* Shared navigation */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: white;
    border-bottom: 1px solid #ddd;
}

.site-name {
    color: #222;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-nav a {
    color: #333;
    text-decoration: none;
}

.site-nav a:hover {
    text-decoration: underline;
}

/* Home page */
.home-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.home-intro {
    margin-bottom: 2rem;
    text-align: center;
}

.home-intro h1 {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
}

.home-intro p {
    margin: 0;
    color: #555;
}

.home-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.home-option {
    padding: 2rem 1.5rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
}

.home-option h2 {
    margin: 0 0 0.75rem;
    font-size: 1.25rem;
}

.home-option p {
    margin: 0;
    line-height: 1.5;
    color: #555;
}

.home-option a {
    color: #222;
}

/* Visible keyboard focus for navigation and home-page links. */
.site-header a:focus-visible,
.home-page a:focus-visible {
    outline: 3px solid #2459a6;
    outline-offset: 4px;
}

/* Narrow screens use one column instead of two. */
@media (max-width: 600px) {
    .home-page {
        padding-top: 2rem;
    }

    .home-options {
        grid-template-columns: 1fr;
    }
}


.auth-page {
    max-width: 440px;
    margin: 2rem auto;
    padding: 1.5rem;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
}

.form-field {
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.4rem;
}

.form-field input {
    width: 100%;
    padding: 0.75rem;
    font: inherit;
}

.auth-page .auth-submit-button {
    width: 100%;
    padding: 0.75rem;
    font: inherit;
    cursor: pointer;
}

.auth-page .errorlist {
    color: #a31515;
}

@media (max-width: 600px) {
    .auth-page {
        margin: 1rem;
    }
}

.site-nav {
    align-items: center;
}

.logout-form {
    margin: 0;
}

.logout-form button {
    padding: 0;
    border: 0;
    background: none;
    color: #333;
    font: inherit;
    cursor: pointer;
}

.logout-form button:hover {
    text-decoration: underline;
}

.logout-form button:focus-visible {
    outline: 3px solid #2459a6;
    outline-offset: 4px;
}
/* Flash messages shown under the header (e.g. "Profile updated.") */
.messages {
    list-style: none;
    width: min(100% - 2rem, 64rem);
    margin: 1rem auto 0;
    padding: 0.75rem 1rem;
    background-color: #eef6ee;
    border: 1px solid #cfe5cf;
    border-radius: 8px;
}