:root {
  --background-colour: #2f4183;
  --foreground-colour: #fff;

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  color: var(--foreground-colour);
  background-color: var(--background-colour);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background-color: var(--background-colour);
}

.session-view {
  position: fixed;
  inset: 0;
  width: 100%;
  min-height: 100vh;
  text-align: center;
}

.title-banner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 25vh;
  height: 25vh;
  padding: 0.75rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.title-banner-text {
  width: 80vw;
  max-width: 80vw;
  margin: 0;
  color: var(--foreground-colour);
  font-size: clamp(1rem, 5.2vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.title-banner-image {
  display: block;
  max-width: 40vw;
  max-height: 15vh;
  width: auto;
  height: auto;
  object-fit: contain;
}

.title-banner-image--matches-text {
  filter: url("#logo-text-colour-filter");
}

.session-indicator {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  color: var(--foreground-colour);
  font-size: calc(10px + 3vmin);
}

.session-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}

.session-label,
.session-count,
.session-detail {
  margin: 0;
  line-height: 1;
}

.session-label {
  font-size: 0.65em;
  font-weight: 400;
}

.session-indicator[data-phase="before"] .session-label,
.session-indicator[data-phase="after"] .session-label {
  font-size: 1em;
  font-weight: 600;
}

.session-count {
  font-size: calc(18.72px + 22.464vmin);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

.session-detail {
  min-height: 1em;
  font-size: 0.5em;
}

.current-time {
  display: block;
  color: var(--foreground-colour);
  font-size: 1.425rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  line-height: 1;
}

.button-container {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sound-toggle,
.settings-toggle,
.fullscreen-toggle {
  position: relative;
  width: 2.85rem;
  height: 2.85rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: transparent;
  font-size: 1.425rem;
  line-height: 1;
  background-color: #1f2937;
  border: 0;
  border-radius: 0.5rem;
  cursor: pointer;
}

.sound-toggle::after {
  position: absolute;
  content: "\1F507";
  color: #e5e7eb;
  font-size: 1.425rem;
}

.sound-toggle[aria-pressed="true"]::after {
  content: "\1F50A";
}

.settings-toggle::after {
  position: absolute;
  content: "\2699";
  color: #e5e7eb;
  font-size: 1.575rem;
}

.fullscreen-toggle::after {
  position: absolute;
  content: "\26F6";
  color: #e5e7eb;
  font-size: 1.575rem;
}

.fullscreen-toggle[aria-pressed="true"] {
  background-color: #0f766e;
}

.sound-toggle:hover,
.settings-toggle:hover,
.fullscreen-toggle:hover {
  filter: brightness(1.3);
}

.sound-toggle:focus-visible,
.settings-toggle:focus-visible,
.fullscreen-toggle:focus-visible {
  outline: 3px solid var(--foreground-colour);
  outline-offset: 3px;
}

.sound-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.schedule {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  margin: 0;
  color: var(--foreground-colour);
  font-size: 0.75rem;
  opacity: 0.65;
}

.presentation-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 36rem) {
  .schedule {
    bottom: 5rem;
  }
}

.settings-view {
  position: fixed;
  inset: 0;
  z-index: 500;
  padding: 1.5rem 1rem 5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  background-color: var(--background-colour);
}

.settings-view[hidden] {
  display: none;
}

.settings-panel {
  width: min(90vw, 35rem);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
  text-align: left;
  background: rgb(0 0 0 / 18%);
  border-radius: 0.75rem;
}

.settings-panel h2 {
  margin: 0 0 0.35rem;
  text-align: center;
}

.settings-label {
  font-size: 1.05rem;
  font-weight: 600;
}

.settings-input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  color: #0f172a;
  font: inherit;
  font-size: 1rem;
  background: #f8fafc;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 0.45rem;
}

.logo-input-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.logo-input-row .settings-input {
  min-width: 0;
  flex: 1;
}

.logo-warning-icon {
  color: #fde047;
  font-size: 1.35rem;
  line-height: 1;
}

.logo-warning-message {
  margin: -0.35rem 0 0;
  color: #fde68a;
  font-size: 0.8rem;
  line-height: 1.3;
}

.settings-time-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.65rem;
}

.settings-time-field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.settings-clock-field {
  min-height: 2.65rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.settings-clock-field input {
  width: 1rem;
  height: 1rem;
  margin: 0;
}

.settings-colour-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.settings-colour-field {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
}

.settings-colour-input {
  width: 3.5rem;
  height: 2.25rem;
  padding: 0.15rem;
  background: #f8fafc;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 0.45rem;
  cursor: pointer;
}

@media (max-width: 30rem) {
  .settings-time-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .settings-clock-field {
    min-height: auto;
    grid-column: 1 / -1;
  }

  .settings-colour-row {
    grid-template-columns: 1fr;
  }
}

.school-configuration {
  margin-top: 0.4rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  background: rgb(255 255 255 / 10%);
  border: 2px solid rgb(255 255 255 / 35%);
  border-radius: 0.65rem;
}

.school-configuration h3 {
  margin: 0;
  font-size: 1.15rem;
}

.school-configuration p {
  margin: 0 0 0.2rem;
  color: var(--foreground-colour);
  font-size: 0.9rem;
  line-height: 1.35;
  opacity: 0.8;
}

.school-configuration .settings-label {
  font-size: 0.9rem;
}

.configuration-select {
  width: 100%;
  padding: 0.6rem 0.5rem;
  color: #0f172a;
  font: inherit;
  font-size: 1rem;
  background: #f8fafc;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 0.45rem;
  cursor: pointer;
}

.configuration-select:hover {
  background: #f1f5f9;
}

.saved-configurations-status {
  margin: 0;
  color: #fecaca;
  font-size: 0.85rem;
  opacity: 1;
}

.settings-information {
  margin: 0.2rem 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
  opacity: 0.8;
}

.settings-information a {
  color: inherit;
}

.settings-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-end;
  color: var(--foreground-colour);
  font-size: 0.85rem;
  cursor: pointer;
  opacity: 0.8;
}

.settings-checkbox-row input {
  width: 1rem;
  height: 1rem;
  margin: 0;
}

.settings-error {
  min-height: 1.25rem;
  margin: 0;
  color: #fecaca;
  font-size: 0.9rem;
  text-align: center;
}

.settings-actions {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
}

.settings-save-button,
.settings-test-button,
.settings-cancel-button {
  padding: 0.55rem 1rem;
  color: #ecfeff;
  font: inherit;
  font-size: 0.95rem;
  border: 0;
  border-radius: 0.45rem;
  cursor: pointer;
}

.settings-save-button {
  background-color: #0f766e;
}

.settings-test-button {
  background-color: #1d4ed8;
}

.settings-cancel-button {
  background-color: #1f2937;
}

.settings-save-button:hover,
.settings-test-button:hover,
.settings-cancel-button:hover {
  filter: brightness(1.15);
}