/* Canonical user avatar renderer and role-aware picker. */

.nn-avatar {
  --nn-avatar-size: 40px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--nn-avatar-size);
  width: var(--nn-avatar-size);
  height: var(--nn-avatar-size);
  overflow: hidden;
  border: 0;
  border-radius: 50%;
  background: var(--nn-avatar-bg, var(--nn-color-accent));
  color: #fff;
  font-size: calc(var(--nn-avatar-size) * .34);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .03em;
  text-decoration: none;
  vertical-align: middle;
}

.nn-avatar--size-xs { --nn-avatar-size: 32px; }
.nn-avatar--size-sm { --nn-avatar-size: 36px; }
.nn-avatar--size-md { --nn-avatar-size: 40px; }
.nn-avatar--size-lg { --nn-avatar-size: 46px; }
.nn-avatar--size-xl { --nn-avatar-size: 72px; }

.nn-avatar__initials,
.nn-avatar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.nn-avatar__icon svg {
  width: 68%;
  height: 68%;
  overflow: visible;
}

.nn-avatar__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a.nn-avatar:hover {
  color: #fff;
  filter: brightness(.94);
  text-decoration: none;
}

a.nn-avatar:focus-visible {
  outline: 2px solid var(--nn-color-accent);
  outline-offset: 2px;
}

.nn-avatar-picker {
  min-width: 0;
  padding: var(--space-l);
  border: 1px solid var(--nn-color-border);
  border-radius: 8px;
  background: #fff;
}

.nn-avatar-picker__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  margin-bottom: var(--space-m);
}

.nn-avatar-picker__heading h2 {
  margin: 0 0 var(--nn-space-1);
  color: var(--nn-color-text);
  font-size: 1.05rem;
}

.nn-avatar-picker__heading p {
  margin: 0;
  color: var(--nn-color-text-muted);
}

.nn-avatar-picker__preview {
  flex: 0 0 auto;
}

.nn-avatar-picker__form {
  display: grid;
  gap: var(--space-m);
}

.nn-avatar-picker__fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.nn-avatar-picker__fieldset legend {
  margin-bottom: var(--nn-space-3);
  color: var(--nn-color-text);
  font-size: .82rem;
  font-weight: 600;
}

.nn-avatar-picker__options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: var(--nn-space-3);
}

.nn-avatar-picker__option {
  position: relative;
  display: grid;
  justify-items: center;
  gap: var(--nn-space-2);
  min-width: 0;
  padding: var(--nn-space-4) var(--nn-space-3);
  border: 1px solid var(--nn-color-border);
  border-radius: var(--nn-radius-control);
  background: #fff;
  color: var(--nn-color-text);
  font-size: .78rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
}

.nn-avatar-picker__option:hover {
  border-color: var(--nn-color-border-strong);
  background: #f8fafc;
}

.nn-avatar-picker__option:has(input:checked) {
  border-color: var(--nn-color-accent);
  background: color-mix(in srgb, var(--nn-color-accent) 7%, #fff);
}

.nn-avatar-picker__option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.nn-avatar-picker__option:has(input:focus-visible) {
  outline: 2px solid var(--nn-color-accent);
  outline-offset: 2px;
}

.nn-avatar-picker__colours {
  display: flex;
  flex-wrap: wrap;
  gap: var(--nn-space-3);
}

.nn-avatar-picker__colour {
  position: relative;
  display: inline-flex;
  cursor: pointer;
}

.nn-avatar-picker__colour input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.nn-avatar-picker__colour > span:not(.screen-reader-text) {
  display: block;
  width: 32px;
  height: 32px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--nn-avatar-swatch);
  box-shadow: 0 0 0 1px var(--nn-color-border-strong);
}

.nn-avatar-picker__colour input:checked + span {
  box-shadow: 0 0 0 2px var(--nn-color-accent);
}

.nn-avatar-picker__colour input:focus-visible + span {
  outline: 2px solid var(--nn-color-accent);
  outline-offset: 3px;
}

.nn-avatar-picker__media {
  display: flex;
  flex-wrap: wrap;
  gap: var(--nn-space-3);
}

.nn-avatar-picker__notice {
  margin: 0 0 var(--space-m);
  padding: var(--nn-space-3) var(--nn-space-4);
  border-radius: var(--nn-radius-control);
  font-size: .86rem;
}

.nn-avatar-picker__notice--success {
  background: var(--nn-color-success-soft);
  color: var(--nn-color-success);
}

.nn-avatar-picker__notice--error {
  background: var(--nn-color-danger-soft);
  color: var(--nn-color-danger);
}

.nn-student-avatar-settings {
  margin-top: var(--space-l);
}

.nn-avatar-settings-panel {
  overflow: visible;
}

@media (max-width: 767px) {
  .nn-avatar-picker {
    padding: var(--space-m);
  }

  .nn-avatar-picker__heading {
    align-items: flex-start;
  }

  .nn-avatar-picker__options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .nn-avatar-picker__options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}