html {
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  padding: 0;
  color: white;
  font-family: "Courier New", monospace;
  text-align: center;
  text-shadow: 0 0 20px blue;
  background-image: url("../images/background.png");
  background-repeat: repeat;
}

.site-banner {
  position: relative;
  min-height: 44px;
  padding: 10px;
  overflow: hidden;
  background: red;
}

.site-banner__text {
  position: absolute;
  top: 50%;
  left: 0;
  display: inline-block;
  color: black;
  font-size: 20px;
  line-height: 1.2;
  text-shadow: none;
  white-space: nowrap;
  transform: translateY(-50%);
  animation: banner-slide 8s linear infinite alternate;
}

.page {
  padding: 0 1rem 3rem;
}

.site-logo {
  width: min(100%, 700px);
  height: auto;
  margin-top: 40px;
}

.contact-form {
  width: min(100%, 32rem);
  margin: 2rem auto;
}

.form-field,
.form-actions {
  margin: 0 0 1rem;
}

.form-field label {
  display: block;
  color: white;
  background-color: black;
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.5rem;
  color: white;
  font: inherit;
  text-shadow: none;
  background: rgba(255, 255, 224, 1);
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-actions button {
  padding: 0.5rem 1rem;
  font: inherit;
  cursor: pointer;
}

.calendar {
  width: min(100%, 960px);
  margin: 2.5rem auto 0;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  color: white;
  text-align: left;
  text-shadow: none;
  background: rgba(0, 0, 0, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 0 24px rgba(0, 0, 255, 0.75);
}

.calendar__topbar,
.calendar__controls,
.calendar__view-toggle,
.calendar-editor__actions,
.calendar-editor__auth {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.calendar__topbar {
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.calendar__title-group {
  min-width: 0;
}

.calendar__heading,
.calendar-editor__heading,
.calendar__details-heading {
  margin: 0;
  color: white;
  line-height: 1.2;
  text-shadow: 0 0 16px blue;
}

.calendar__range {
  min-height: 1.2rem;
  margin: 0.3rem 0 0;
  color: rgba(255, 255, 255, 0.82);
}

.calendar__controls,
.calendar__view-toggle {
  flex-wrap: wrap;
}

.calendar__view-toggle {
  margin-bottom: 0.75rem;
}

.calendar__button {
  min-height: 2.35rem;
  padding: 0.45rem 0.7rem;
  color: black;
  font: inherit;
  text-shadow: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid rgba(255, 0, 0, 0.9);
}

.calendar__button:hover,
.calendar__button:focus-visible {
  color: white;
  background: red;
  outline: 2px solid white;
  outline-offset: 2px;
}

.calendar__button:disabled {
  color: rgba(0, 0, 0, 0.58);
  cursor: wait;
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.45);
}

.calendar__button--active {
  color: white;
  background: blue;
  border-color: white;
}

.calendar__button--danger {
  border-color: white;
  background: red;
}

.calendar__status {
  min-height: 1.4rem;
  margin-bottom: 0.6rem;
  color: rgba(255, 255, 255, 0.84);
}

.calendar__status[data-tone="success"] {
  color: #9effa6;
}

.calendar__status[data-tone="error"] {
  color: #ffb3b3;
}

.calendar__weekdays,
.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.35rem;
}

.calendar__weekdays {
  margin-bottom: 0.35rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
  text-align: center;
}

.calendar-day {
  display: flex;
  min-width: 0;
  min-height: 7.5rem;
  padding: 0.45rem;
  color: white;
  font: inherit;
  text-align: left;
  text-shadow: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.42);
  flex-direction: column;
  gap: 0.4rem;
}

.calendar__grid--week .calendar-day {
  min-height: 12rem;
}

.calendar-day:hover,
.calendar-day:focus-visible {
  background: rgba(0, 0, 255, 0.42);
  outline: 2px solid white;
  outline-offset: 2px;
}

.calendar-day--muted {
  opacity: 0.46;
}

.calendar-day--today {
  border-color: red;
  box-shadow: inset 0 0 0 1px red;
}

.calendar-day--selected {
  outline: 3px solid white;
  outline-offset: -3px;
}

.calendar-day__number {
  display: inline-flex;
  width: 1.8rem;
  height: 1.8rem;
  align-items: center;
  justify-content: center;
  color: black;
  background: rgba(255, 255, 255, 0.88);
}

.calendar-day--today .calendar-day__number {
  color: white;
  background: red;
}

.calendar-day__events {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.25rem;
}

.calendar-event-pill {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  color: white;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.calendar-event-pill__image {
  width: 1.6rem;
  height: 1.6rem;
  object-fit: cover;
  flex: 0 0 auto;
}

.calendar-event-pill__title,
.calendar-day__more {
  min-width: 0;
  overflow: hidden;
  font-size: 0.78rem;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-day__more {
  color: rgba(255, 255, 255, 0.82);
}

.calendar__details,
.calendar-editor {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.4);
}

.calendar__empty {
  margin: 0.75rem 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.calendar-event-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.calendar-event {
  display: flex;
  min-width: 0;
  overflow: hidden;
  color: white;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.calendar-event__image {
  width: 7.5rem;
  min-height: 6rem;
  object-fit: cover;
  flex: 0 0 auto;
}

.calendar-event__body {
  display: flex;
  min-width: 0;
  padding: 0.75rem;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 0.6rem;
  justify-content: center;
}

.calendar-event__title {
  margin: 0;
  overflow-wrap: anywhere;
}

.calendar-event__edit {
  align-self: flex-start;
}

.calendar-editor__heading {
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.calendar-editor__auth {
  flex-wrap: wrap;
}

.calendar-editor__form {
  display: grid;
  grid-template-columns: minmax(6rem, 9rem) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: center;
}

.calendar-editor__label {
  color: white;
}

.calendar-editor__input {
  width: 100%;
  min-width: 0;
  padding: 0.5rem;
  color: black;
  font: inherit;
  text-shadow: none;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.65);
}

.calendar-editor__input:focus {
  outline: 2px solid red;
  outline-offset: 2px;
}

.calendar-editor__preview {
  grid-column: 2;
}

.calendar-editor__preview img {
  display: block;
  width: min(100%, 14rem);
  max-height: 12rem;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.calendar-editor__actions {
  grid-column: 2;
  flex-wrap: wrap;
}

.calendar-editor__form[hidden] {
  display: none;
}

@media (max-width: 720px) {
  .calendar__topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .calendar__controls,
  .calendar__view-toggle,
  .calendar-editor__actions {
    width: 100%;
  }

  .calendar__button {
    flex: 1 1 auto;
  }

  .calendar__weekdays {
    display: none;
  }

  .calendar__grid {
    grid-template-columns: 1fr;
  }

  .calendar-day,
  .calendar__grid--week .calendar-day {
    min-height: 5.5rem;
  }

  .calendar-day--muted {
    display: none;
  }

  .calendar-event {
    flex-direction: column;
  }

  .calendar-event__image {
    width: 100%;
    height: 11rem;
  }

  .calendar-editor__form {
    grid-template-columns: 1fr;
  }

  .calendar-editor__preview,
  .calendar-editor__actions {
    grid-column: 1;
  }
}

@keyframes banner-slide {
  from {
    left: 0;
    transform: translate(0, -50%);
  }

  to {
    left: 100%;
    transform: translate(-100%, -50%);
  }
}