frontend/static/style.css

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

:root {
  --color-text: #333;
  --color-background: #fff;
  --color-accent: #3388ff;
  --color-accent-text: #fff;
  --drop-shadow: drop-shadow(0 10px 10px rgb(0, 0, 0, 0.2));
  --dropdown-arrow: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2225%22%20height%3D%2210%22%3E%3Cpath%20fill%3D%22%23333%22%20fill-opacity%3D%221%22%20stroke%3D%22none%22%20d%3D%22M0%2C0%20L0%2C0%20L1%2C0%20L1%2C6%20L7%2C6%20L7%2C7%20L0%2C7%20z%22%20transform%3D%22rotate(-45%205%200)%22%20%2F%3E%3C%2Fsvg%3E");
}

html, body {
  height: 100%;
}

body {
  font-family: "Noto Sans", sans-serif;
  font-size: 13px;
  color: var(--color-text);
}

a {
  color: var(--color-accent);
}

ul {
  list-style: inside;
}

#app {
  display: flex;
  min-height: 100%;
  flex-direction: column;
}

#app > header {
  display: flex;
  padding: 20px;
  white-space: nowrap;
  overflow-x: auto;
  color: var(--color-accent-text);
  background: var(--color-accent);
}

#app > header > nav {
  display: flex;
  flex: 1;
}

#app > header > nav:not(:first-child) {
  margin-left: 20px;
}

#app > header > nav.nav-shrink {
  flex: 0 1 auto;
}

#app > header > nav .nav-item {
  display: inline-block;
}

#app > header > nav .nav-item:not(:first-child) {
  margin-left: 20px;
}

#app > main {
  flex: 1;
}

.button,
.vdp-datepicker input {
  cursor: pointer;
  color: var(--color-text);
  background: var(--color-background);
  border: 0;
  border-radius: 18px;
  padding: 8px 16px;
}

.button-outline {
  border: 1px solid var(--color-background);
  color: var(--color-accent-text);
  background: transparent;
}

.button-flat {
  color: var(--color-accent-text);
  background: transparent;
}

.button-icon {
  padding: 8px 0;
}

.dropdown {
  display: inline-block;
}

.dropdown-button,
.vdp-datepicker input {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--dropdown-arrow);
  background-repeat: no-repeat;
  background-position-x: right;
  background-position-y: center;
  padding-right: 30px;
}

.dropdown-body {
  display: none;
  position: absolute;
  margin-top: 12px;
  padding: 8px 0;
  border-radius: 3px;
  color: var(--color-text);
  background: var(--color-background);
  filter: var(--drop-shadow);
  z-index: 2000;
}

.dropdown-body::before,
.vdp-datepicker .vdp-datepicker__calendar::before {
  content: "";
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid transparent;
  border-bottom: 10px solid var(--color-background);
  position: absolute;
  top: -20px;
  left: 20px;
}

.dropdown:focus-within .dropdown-body {
  display: block;
}

.dropdown-body label {
  cursor: pointer;
  display: block;
  padding: 8px 15px;
}

.dropdown-body label:hover {
  background: rgba(0, 0, 0, 0.1);
}

.dropdown-body label input[type=checkbox] {
  position: relative;
  top: 2px;
}

.modal {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  filter: var(--drop-shadow);
  z-index: 4000;
}

.modal .modal-container {
  min-width: 300px;
  padding: 20px;
  border-radius: 3px;
  background: var(--color-background);
}

.modal .modal-container .modal-close-button {
  display: block;
  border: none;
  float: right;
  font-size: 24px;
  line-height: 16px;
  background: transparent;
  cursor: pointer;
}

.location-popup-face {
  border-radius: 50%;
  border: 2px solid var(--color-background);
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
}

.location-popup-detail {
  white-space: nowrap;
}

.leaflet-container .leaflet-popup {
  filter: var(--drop-shadow);
}

.leaflet-container .leaflet-popup .leaflet-popup-content-wrapper {
  border-radius: 3px;
  box-shadow: none;
}

.leaflet-container .leaflet-popup a.leaflet-popup-close-button {
  padding: 5px 5px 0 0;
}

.leaflet-popup-tip-container .leaflet-popup-tip {
  box-shadow: none;
}

.vdp-datepicker {
  position: static !important;
  display: inline-block;
  white-space: initial;
  overflow: initial;
  z-index: 3000;
}

.vdp-datepicker input {
  width: 120px;
}

.vdp-datepicker .vdp-datepicker__calendar {
  color: var(--color-text);
  border: 0;
  border-radius: 3px;
  z-index: 4000;
  margin-top: 12px;
  filter: var(--drop-shadow);
}

.vdp-datepicker .vdp-datepicker__calendar .cell:not(.blank):not(.disabled).day:hover,
.vdp-datepicker .vdp-datepicker__calendar .cell:not(.blank):not(.disabled).month:hover,
.vdp-datepicker .vdp-datepicker__calendar .cell:not(.blank):not(.disabled).year:hover {
  border-color: var(--color-accent);
}

.vdp-datepicker .vdp-datepicker__calendar .cell.selected,
.vdp-datepicker .vdp-datepicker__calendar .cell.selected:hover {
  background: var(--color-accent);
  color: var(--color-accent-text);
}

header .mdi {
  position: relative;
  top: 5px;
  margin-right: 3px;
}

header .button .mdi {
  line-height: 0;
}

.mdi-16px.mdi-set,
.mdi-16px.mdi::before {
  font-size: 16px;
}