:root {
  --lt-text: #2d3748;
  --lt-bg: #f7fafc;
  --lt-border: #a0aec0;
  --lt-button-text: #f7fafc;
  --lt-button-bg: #2d3748;
  --lt-button-hover: #a0aec0;
  --dk-text: rgba(255, 255, 255, 0.92);
  --dk-bg: #1a202c;
  --dk-border: rgba(255, 255, 255, 0.16);
  --dk-button-text: #1a202c;
  --dk-button-bg: rgba(255, 255, 255, 0.92);
  --dk-button-hover: rgba(255, 255, 255, 0.16);
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body {
  font-family: 'Roboto Flex', sans-serif;
  font-size: 1rem;
  color: var(--lt-text);
  background: var(--lt-bg);
}

h1,
h2 {
  color: var(--lt-text);
  background: var(--lt-bg);
  text-align: center;
}

button {
  color: var(--lt-text);
  background: var(--lt-button);
  font-weight: bold;
}

.page-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  color: var(--lt-text);
  background: var(--lt-bg);
  z-index: 0;
}

header {
  background: var(--lt-bg);
  padding: 1rem 0;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  font-weight: bold;
  font-family: sans-serif;
  padding: 0.5rem 0;
  justify-self: flex-end;
  color: var(--lt-text);
  background: var(--lt-bg);
}

.data-input-form-container {
  display: flex;
  width: 100vw;
  justify-content: center;
  margin-bottom: 1rem;
}

.data-input-form {
  display: flex;
  justify-content: center;
  background: var(--lt-bg);
  width: 100%;
  max-width: 60rem;
  padding: 0.5rem 0;
}

.data-input-form input {
  padding: 0.125rem 0.25rem;
  margin-right: 0.5rem;
  outline: 0;
  border: 0;
  color: var(--lt-text);
  background: var(--lt-bg);
  cursor: pointer;
  border: 1px solid var(--lt-border);
}

.data-input-form button {
  border-radius: 0.75rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
}

.data-input-form button:hover {
  color: var(--dk-text);
  background: var(--lt-button-hover);
}

.data-container {
  display: flex;
  flex-direction: column;
  justify-content: stretch;
  align-items: stretch;
  height: 100vh;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  overflow-y: auto;
  background: var(--lt-bg);
  padding: 0;
  gap: 0;
}

.data-list-item {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px var(--lt-border) solid;
  color: var(--lt-text);
  background: var(--lt-bg);
  row-gap: 0;
}

.data-list-item button {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  margin: auto;
  background: transparent;
  color: var(--lt-text);
  border: none;
}

.data-list-item div {
  padding: 0.25rem;
  text-align: left;
  color: var(--lt-text);
  background: var(--lt-bg);
}

.data-list-item:first-child,
.data-list-item div {
  border: 0;
}

.data-list-item div:nth-child(1) {
  grid-area: 1 / 1 / 2 / 2;
  text-align: center;
  font-weight: bold;
}

/* world name */
.data-list-item div:nth-child(2) {
  grid-area: 1/ 2 / 2 / 5;
  font-weight: bold;
}

/* edit button */
.data-list-item div:nth-child(3) {
  grid-area: 1 / 5 / 2 / 5;
  text-align: right;
}

/* astronomical quirk */
.data-list-item div:nth-child(4) {
  grid-area: 2 / 2 / 3 / 5;
  text-align: left;
}

/* world aspects */
.data-list-item div:nth-child(5) {
  grid-area: 3 / 2 / 4 / 6;
  text-align: left;
}

.data-list-header {
  color: var(--lt-bg);
  background: var(--lt-text);
  font-family: sans-serif;
  font-size: 0.85rem;
  text-align: center;
  font-weight: bold;
  display: none;
  position: sticky;
  top: 0;
  margin: 0;
}

.data-list-header div {
  color: var(--lt-bg);
  background: var(--lt-text);
  border: 0;
}

.export-btns-container {
  display: flex;
  justify-content: center;
}
.export-btns {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
  width: 100%;
  max-width: 60rem;
  margin: 0.5rem 0;
}

.export-btns button {
  color: var(--lt-text);
  background: var(--lt-bg);
  width: 4rem;
  height: 2rem;
  margin: 0 0.25rem;
  border-radius: 1rem;
}

.export-btns button:disabled {
  opacity: 0.5;
}

/************ popup edit dialog ***********/
.modal-popup-background {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  justify-content: center;
  align-items: center;
  background: var(--dk-bg);
  z-index: 1;
  position: absolute;
  left: 0;
  top: 0;
  background: rgb(0, 0, 0, 0.6);
  overflow: auto;
}

.form-container {
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 1rem;
}

.edit-form {
  display: flex;
  flex-direction: column;
  justify-content: stretch;
  color: var(--lt-text);
  background: var(--lt-bg);
  width: 100%;
  max-width: 375px;
  padding: 1rem;
}

.edit-form h3 {
  margin-bottom: 0.5rem;
}

.edit-input-item {
  display: flex;
  flex-direction: column;
  margin: 0.25rem 0;
}

.edit-input-item input {
  border: 0;
  outline: 0;
  padding: 0.25rem;
}

.edit-input-item label {
  font-weight: bold;
  margin-bottom: 0.25rem;
}

.edit-input-item select {
  border: 0;
  outline: 0;
  padding: 0.25rem;
}

.dialog-button-container {
  display: flex;
  padding-top: 0.5rem;
  justify-content: space-between;
  width: 100%;
  max-width: 9rem;
  align-self: flex-end;
}

.dialog-button-container button {
  background: var(--lt-button-bg);
  color: var(--lt-button-text);
  border-radius: 0.75rem;
  padding: 0.25rem 0.5rem;
  width: 4rem;
}

.dialog-button-container button:hover {
  color: var(--dk-text);
  background: var(--lt-button-hover);
}

/* utility classes */
.narrow-screen span {
  font-weight: bold;
}

.hidden {
  display: none;
}

@media screen and (min-width: 768px) {
  .data-list-item {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
  }

  .data-list-item div:nth-child(1) {
    grid-area: 1 / 1 / 2 / 2;
    text-align: center;
  }

  /* world name */
  .data-list-item div:nth-child(2) {
    grid-area: 1/ 2 / 1 / 5;
  }

  /* edit button */
  .data-list-item div:nth-child(3) {
    grid-area: 1 / 12 / 1 / 12;
    text-align: right;
  }

  /* astronomical quirk */
  .data-list-item div:nth-child(4) {
    grid-area: 1 / 5 / 1 / 9;
    text-align: left;
    display: block;
  }

  /* world aspects */
  .data-list-item div:nth-child(5) {
    grid-area: 1 / 9 / 1 / 12;
    text-align: left;
  }

  .narrow-screen {
    display: none;
  }

  .edit-form {
    border-radius: 1rem;
    width: 30rem;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  h1,
  h2 {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  button {
    color: var(--dk-button-text);
    background: var(--dk-button-bg);
    border: 0;
  }

  header {
    background: var(--dk-bg);
  }

  footer {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  .page-container {
    background: var(--dk-bg);
  }

  .data-input-form {
    background: var(--dk-bg);
  }

  .data-input-form button {
    background: var(--dk-button-bg);
    color: var(--dk-button-text);
  }

  .data-input-form button:hover {
    color: var(--dk-text);
    background: var(--lt-button-hover);
  }

  .data-input-form input {
    color: var(--dk-text);
    background: var(--dk-bg);
    border: 1px solid var(--dk-border);
  }

  .data-container {
    background: var(--dk-bg);
    border-bottom: 1px solid var(--dk-border);
  }

  .data-list-item {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  .data-list-item button {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  .data-list-item div {
    color: var(--dk-text);
    background: var(--dk-bg);
  }

  .data-list-header {
    color: var(--dk-bg);
    background: var(--dk-text);
    border-bottom: 1px solid var(--dk-text);
  }

  .data-list-header div {
    color: var(--dk-bg);
    background: var(--dk-text);
  }

  .export-btns {
    background: var(--dk-bg);
  }

  .mobile-popup {
    background: var(--dk-bg);
    opacity: 0.9;
  }

  .edit-form {
    color: var(--dk-text);
    background: var(--dk-bg);
    opacity: 1;
  }

  .dialog-button-container button {
    color: var(--dk-button-text);
    background: var(--dk-button-bg);
    cursor: pointer;
  }

  .dialog-button-container button:hover {
    color: var(--dk-text);
    background: var(--dk-button-hover);
    cursor: pointer;
  }
}