:root {
    color-scheme: light;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #172033;
    background: #f5f7fa;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

a {
    color: #2457c5;
}

button,
input {
    font: inherit;
}

button {
    padding: 0.7rem 1rem;
    border: 0;
    border-radius: 0.35rem;
    color: #fff;
    background: #2457c5;
    cursor: pointer;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-card {
    width: min(100%, 26rem);
    padding: 2rem;
    border: 1px solid #dbe1ea;
    border-radius: 0.6rem;
    background: #fff;
    box-shadow: 0 0.5rem 2rem rgb(25 40 70 / 8%);
}

.login-card form {
    display: grid;
    gap: 0.75rem;
}

.login-card input {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #aab4c3;
    border-radius: 0.35rem;
}

.alert {
    padding: 0.75rem;
    border-radius: 0.35rem;
}

.alert-error {
    color: #8a1f17;
    background: #feeceb;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem max(1rem, calc((100% - 70rem) / 2));
    border-bottom: 1px solid #dbe1ea;
    background: #fff;
}

.site-title {
    color: #172033;
    font-weight: 700;
    text-decoration: none;
}

.site-header nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-header nav a[aria-current="page"] {
    color: #172033;
    font-weight: 700;
    text-decoration: none;
}

.page-content {
    width: min(100% - 2rem, 70rem);
    margin: 2rem auto;
}

.placeholder {
    min-height: 18rem;
    display: grid;
    place-items: center;
    padding: 2rem;
    border: 1px dashed #aab4c3;
    border-radius: 0.5rem;
    color: #536174;
    background: #fff;
    text-align: center;
}

.status-message {
    padding: 1rem;
    border: 1px solid #dbe1ea;
    border-radius: 0.35rem;
    background: #fff;
}

.status-message.is-error {
    color: #8a1f17;
    border-color: #f1c4c0;
    background: #feeceb;
}

.status-message[hidden] {
    display: none;
}

#survey-container {
    min-height: 18rem;
}

.nav-button {
    padding: 0.45rem 0.75rem;
}

.nav-button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.creator-container {
    height: calc(100vh - 13rem);
    min-height: 36rem;
    overflow: hidden;
    border: 1px solid #dbe1ea;
    border-radius: 0.35rem;
    background: #fff;
}

@media (max-width: 36rem) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }
}