/* layout *******************************/
body {
  font-family: sans-serif;
  font-size: 22px;
  margin: 0;
  min-height: 100vh;
  background-color: #333;
}

main,
header {
  box-sizing: border-box;
  margin-inline: auto;
  max-width: 750px;
  border-style: solid;
  border-color: #333;
  border-width: 0 1px;
  border-bottom: 1px solid #333;
}

header {
  height: 55px;
  font-size: 2rem;
  font-weight: bold;
  text-align: center;

  padding: 2px;
  background-image: linear-gradient(to top, #46f, #68f);
  color: #fff;
  text-shadow: 0 0 5px skyblue;
}

main {
  padding: 10px;
  background-color: #049;
  background-image: linear-gradient(to top, #333, #049);
  color: #fff;
  min-height: calc(100vh - 55px);
}

/* buttons *******************************/
.btn {
  margin: 5px 7px;
  padding: 7px 9px;
  border: 1px solid #333;
  min-width: 170px;

  svg {
    vertical-align: middle;
    margin: 0 9px;
    width: 16px;
  }
}

.btn-primary {
  background-color: #007bff;
  color: white;
  border-color: currentColor;
}

/* flashes *******************************/
.flash-success,
.flash-notice,
.flash-error {
  padding: 3px;
  border-width: 1px;
  border-style: solid;
  margin-block: 0.2em;
}

.flash-success {
  border-color: hsl(120, 100%, 33%);
  background-color: hsla(120, 100%, 80%, 0.5);
}
.flash-notice {
  border-color: #00f;
  background-color: hsla(222, 100%, 89%, 0.5);
}
.flash-error {
  border-color: var(--color-warn);
  background-color: var(--color-warn-30);
}

/* forms *******************************/
form .row,
form > div > div {
  margin: 0.5ex 0 1ex;
  position: relative;
}

input:not([type='checkbox'], [type='radio']),
textarea,
select,
button {
  box-sizing: border-box;
  border-radius: 4px;
  padding: 5px 9px;
  margin: 2px auto;
  width: 100%;
  display: block;
  border: 1px solid #666;
  font-size: 1rem;
}

input[type='date'],
input[type='time'] {
  width: auto;
  display: inline-block;
  margin-inline: 2.5%;
}

select {
  background-color: #fff;
}

textarea {
  min-height: 15ex;
  resize: vertical;
}

input.error,
textarea.error {
  border-color: var(--color-warn);
  border-left-width: 3px;
}

label {
  min-width: 135px;
  display: inline-block;
}

small.error,
div.error {
  display: block;
  color: var(--color-warn);
}

form .help-text {
  font-size: 95%;
  color: #333;
}

form .buttons {
  display: flex;
  gap: 0.5em;
  justify-content: end;
  padding-block: 5px;
}

@media (max-width: 650px) {
  form .buttons {
    gap: 1em;
    > * {
      flex: 1;

      button {
        width: 100%;
        margin-inline: 0;
      }
    }
  }
}