:root {
  --color-bg-document: #f1f8e9;
  --color-text-document: #2e7d32;
  --color-h2: #4caf50;
  --color-h3: #388e3c;
  --color-border: #4caf50;
  --color-box-shadow: rgba(0, 0, 0, 0.2);
  --color-btn-bg-hover: #ff9800;
  --color-btn-text: #388e3c;
  --color-btn-text-hover: #f1f8e9;
  --color-msg-bg: #e8f5e9;
  --color-msg-border: #c8e6c9;
  --color-home-section-bg: #f6fff6;
  --color-home-section-shadow: #e0f2e9;
  --color-home-section-text: #2e5d34;
  --color-tasks-panel-bg: #ffffff;
  --color-tasks-panel-border: #e0e0e0;
  --color-tasks-panel-h2: #457b9d;
  --color-plantitem-odd-bg: #8bc34a;
  --color-plantitem-odd-text: #ffffff;
  --color-plantitem-even-bg: #aed581;
  --color-plantitem-even-text: #2e7d32;
  --color-glow-due-bg: #ffeb3b;
  --color-glow-done-bg: #00ff99;
  --color-span-tag-first-bg: rgb(142, 255, 146, 0.2);
  --border-radius: 5px;
  --box-shadow: 0 2px 8px;
  --box-shadow-glow: 0 0 8px 2px;
  --transition-box-shadow: box-shadow 0.1s ease;
  --transition-background: background 0.1s ease;
  --transition-color: color 0.1s ease;
}

/* elements */

body {
  max-width: 800px;
  margin: 10px;
  padding: 0;
  background-color: var(--color-bg-document);
  color: var(--color-text-document);
  font-size: 18px;
}

h2 {
  color: var(--color-h2);
}

h3 {
  margin: 0;
  padding: 0;
  color: var(--color-h3);
}

button {
  padding: 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: none;
  box-shadow: var(--box-shadow) var(--color-box-shadow);
  color: var(--color-btn-text);
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition-box-shadow), var(--transition-background), var(--transition-color);
}

button:hover {
  box-shadow: none;
  background: var(--color-btn-bg-hover);
  color: var(--color-btn-text-hover);
}

/* component menuBar */

[data-id=menuBar] {
  position: sticky;
  top: 0;
  z-index: 1000;
  margin: -10px -10px 0 -10px;
  background-color: var(--color-bg-document);
  box-shadow: var(--box-shadow) var(--color-box-shadow);
}

[data-id=menuBar] nav {
  display: flex;
  align-items: center;
}

[data-id=menuBar] button {
  border: none;
  box-shadow: none;
}

[data-id=menuBar] [data-id=buttonHome] {
  font-size: 1.2rem;
}

[data-id=menuBar] [data-id=buttonBack] {
  margin-left: auto;
  font-size: 1.2rem;
}

/* component messageBar */

[data-id=messageBar] {
  display: flex;
  align-items: center;
  padding: 5px;
  background-color: var(--color-msg-bg);
  border: 1px solid var(--color-msg-border);
  box-shadow: var(--box-shadow) var(--color-box-shadow);
}

[data-id=messageBar] [data-id=buttonClose] {
  margin-left: auto;
  padding: 0 5px;
  border: none;
  box-shadow: none;
  font-size: 1.2rem;
}

/* component home */

[data-id=home] h1 {
  text-align: center;
}

[data-id=home] section {
  padding: 20px;
  background: var(--color-home-section-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow) var(--color-home-section-shadow);
  color: var(--color-home-section-text);
}

[data-id=home] nav {
  display: flex;
  margin: 20px 0;
}

[data-id=home] nav button {
  flex-grow: 1;
  margin: 0 5px;
  padding: 10px;
  font-size: 1.2rem;
}

[data-id=home] [data-id=tasksPanel] {
  background-color: var(--color-tasks-panel-bg);
  border: 1px solid var(--color-tasks-panel-border);
}

[data-id=home] h2 {
  margin-top: 0;
  font-size: 1.2rem;
  color: var(--color-tasks-panel-h2);
}

[data-id=home] [data-id=tasksList] {
  padding-left: 1.2rem;
}

/* component plants */

[data-id=plantItem] {
  display: flex;
  text-align: center;
  margin: 5px;
}

[data-id=plantItem]>span {
  width: 100%;
  padding: 2px;
  border: 1px solid var(--color-border);
  box-shadow: var(--box-shadow) var(--color-box-shadow);
  transition: var(--transition-box-shadow), var(--transition-background), var(--transition-color);
}

[data-id=plantItem]:nth-child(odd)>span {
  background-color: var(--color-plantitem-odd-bg);
  color: var(--color-plantitem-odd-text);
}

[data-id=plantItem]:nth-child(even)>span {
  background-color: var(--color-plantitem-even-bg);
  color: var(--color-plantitem-even-text);
}

[data-id=plantItem]>span:hover {
  box-shadow: none;
  background: var(--color-btn-bg-hover);
  color: var(--color-btn-text-hover);
}

[data-id=plantItem] button {
  margin-left: 5px;
}

/* component waterPlants */

[data-id=waterPlants] [data-id=groupItem]>h3>span:hover {
  box-shadow: var(--box-shadow-glow) var(--color-btn-bg-hover);
}

[data-id=waterItem] {
  margin: 2px;
  padding: 2px;
  border: 1px solid var(--color-border);
}

[data-id=waterItem]:nth-child(odd) {
  background-color: var(--color-plantitem-odd-bg);
  color: var(--color-plantitem-odd-text);
}

[data-id=waterItem]:nth-child(even) {
  background-color: var(--color-plantitem-even-bg);
  color: var(--color-plantitem-even-text);
}

[data-id=waterItem]>fieldset {
  padding: 0;
  border: none;
}

/* component history & plant history */

[data-id=historyItem] [data-id=spanDate] {
  padding: 5px;
  border: 1px dashed var(--color-border);
}

[data-id=historyItem] .span-tag:first-of-type,
[data-id=uniqueItem] .span-tag:first-of-type {
  background: var(--color-span-tag-first-bg);
}

/* classes */

.glow-due {
  background-color: var(--color-glow-due-bg);
  box-shadow: var(--box-shadow-glow) var(--color-glow-due-bg);
}

.glow-done {
  background-color: var(--color-glow-done-bg);
  box-shadow: var(--box-shadow-glow) var(--color-glow-done-bg);
}

.clickable {
  display: inline-block;
  cursor: pointer;
  transition: var(--transition-background), var(--transition-color);
}

.clickable:hover {
  background: var(--color-btn-bg-hover);
  color: var(--color-btn-text-hover);
}

.span-tag {
  display: inline-block;
  margin: 1px;
  padding: 5px;
  border: 1px dashed var(--color-border);
  border-radius: var(--border-radius);
}