:root {
  --border-radius: 4px;
  --error-color-rgb: 255, 51, 51;
  --padding: 1rem;
  --padding-large: 3.5rem;
  --padding-small: 0.5rem;
}

html {
  display: flex;
  min-height: 100%;
}

body {
  margin: auto;
  max-width: 48em;
  background-color: #222;
}

body,
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: sans-serif;
  line-height: 1.5;
}

main > section,
main > hgroup {
  margin: var(--padding-large) 0;
  padding: 0;
}

main > hgroup > * {
  margin: 0;
}

input,
button {
  margin: 0;
  padding: var(--padding);
  border-radius: var(--border-radius);
  transition: all 0.1s ease-in-out;
}

button {
  border: none;
}

input:disabled,
button:disabled {
  opacity: 0.5;
}

p {
  margin: var(--padding) 0;
}

img.icon {
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
  margin: 0;
}

footer {
  margin-top: var(--padding-large);
  padding: var(--padding);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.8em;

  display: grid;
  grid-template-columns: 1fr 1fr;
}

footer > * > * {
  margin: 0;
}

footer > :first-child {
  text-align: left;
}

footer > :last-child {
  text-align: right;
}

@media (max-width: 48em) {
  footer {
    grid-template-columns: 1fr;
  }

  footer > :first-child {
    text-align: center;
  }

  footer > :last-child {
    text-align: center;
  }
}

.hypnohub-logo {
  width: 100%;
  max-width: 500px;
}

.error-box {
  color: rgb(var(--error-color-rgb));
  background-color: rgba(var(--error-color-rgb), 0.1);
  border: 1px solid rgba(var(--error-color-rgb), 0.5);
  border-radius: var(--border-radius);
  padding: var(--padding);
}

.error-box:empty {
  display: none;
}

.error-box::before {
  content: "⚠️  Error: ";
  font-weight: bold;
}

#query-generate .time-period-buttons {
  display: flex;
  justify-content: space-evenly;
  gap: var(--padding);
  margin: var(--padding) 0;
}

@media (max-width: 48em) {
  #query-generate .time-period-buttons {
    flex-direction: column;
  }
}

#query-generate .time-period-buttons #daily,
#query-generate .time-period-buttons #daily-yesterday {
  --color-rgb: 255, 211, 192;
}

#query-generate .time-period-buttons #weekly {
  --color-rgb: 180, 237, 234;
}

#query-generate .time-period-buttons #monthly {
  --color-rgb: 255, 216, 232;
}

#query-generate .time-period-buttons button {
  flex: 1;
  font-size: 1.2em;
  font-weight: bold;
  background-color: rgba(var(--color-rgb), 0.7);
  border: 2px solid rgba(var(--color-rgb), 1);
}

#query-generate .time-period-buttons button:hover {
  filter: brightness(0.8) contrast(1.2) saturate(1.5);
}

#query-generate .time-period-buttons button[data-chosen] {
  background-color: rgba(var(--color-rgb), 1);
}

#query-generate .result {
  display: flex;
  gap: var(--padding);
}

#query-generate .result > input {
  flex: 1;
  font-family: monospace;
}

#query-generate .result > button {
  height: 100%;
}

#about {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

#about:target {
  max-height: 500px;
}

#about-section .help,
#about-section .help button {
  width: 100%;
}