.student-avatar {
  display: inline-grid;
  width: 100%;
  height: 100%;
  place-items: center;
  overflow: hidden;
  border-radius: inherit;
  color: #fff8e8;
  background: #283b59;
  font-weight: 650;
  line-height: 1;
  letter-spacing: 0;
}

.student-avatar[data-length="3"] {
  font-size: 0.66em;
  white-space: nowrap;
}

.student-avatar--green { background: #365c53; }
.student-avatar--warm { background: #8a5447; }
.student-avatar--slate { background: #53637b; }
.student-avatar--art { background: #e4eaf4; }
.student-avatar svg, .student-avatar img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.appbar-avatar {
  display: grid;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 1px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--nav-line-strong);
  border-radius: 50%;
  background: transparent;
  font-size: 11px;
}

.profile-strip .ov-logo--personal {
  background: var(--surface-2);
  border-color: var(--line-strong);
  font-size: 21px;
}

.ent-avatar--personal {
  position: relative;
  padding: 1px;
  background: var(--nav-surface-2);
  border-color: var(--nav-line-strong);
  box-shadow: none;
  cursor: pointer;
}

.ent-avatar--personal:hover {
  border-color: var(--gold);
}

.ent-avatar-portrait {
  display: grid;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: inherit;
}

.ent-avatar-edit-mark {
  position: absolute;
  right: -3px;
  bottom: -3px;
  display: grid;
  width: 15px;
  height: 15px;
  place-items: center;
  border: 1px solid var(--nav-line-strong);
  border-radius: 50%;
  background: var(--nav-surface);
  color: var(--gold-soft);
  font-size: 10px;
  line-height: 1;
}

.msg .msg-avatar:has(.student-avatar) {
  padding: 0;
  overflow: hidden;
}

.student-avatar-dialog {
  width: min(490px, calc(100% - 24px));
  max-height: min(760px, calc(100% - 24px));
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 20px 70px #16264432;
}

.student-avatar-dialog::backdrop {
  background: #17254160;
}

.student-avatar-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 22px 14px;
  border-bottom: 1px solid var(--line);
}

.student-avatar-head h2 {
  margin: 0 0 5px;
  font-size: 17px;
}

.student-avatar-head p,
.student-avatar-content p {
  margin: 0;
  color: var(--text-2);
  font-size: 12px;
}

.student-avatar-content {
  display: grid;
  gap: 14px;
  padding: 14px 22px 16px;
}

.student-avatar-modes {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-2);
}

.student-avatar-modes button {
  flex: 1 1 0;
  min-width: 0;
  min-height: 34px;
  padding: 4px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  font-size: 12px;
}

.student-avatar-modes button[aria-pressed="true"] {
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--surface);
  font-weight: 650;
}

.student-avatar-preview {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--text-2);
  font-size: 11px;
}

#student-avatar-preview, #student-avatar-crop {
  display: block;
  width: 82px;
  height: 82px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 23px;
  font-size: 26px;
}

#student-avatar-crop {
  width: min(160px, 100%);
  height: auto;
  aspect-ratio: 1;
}

.student-avatar-presets {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
}

.student-avatar-option {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  padding: 2px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-2);
  cursor: pointer;
}

.student-avatar-option .student-avatar { border-radius: 9px; }
.student-avatar-option:hover { border-color: var(--line-strong); }
.student-avatar-option[aria-pressed="true"] { border-color: #a17a39; box-shadow: inset 0 0 0 1px #a17a39; }
.student-avatar-photo, .student-avatar-letters { display: grid; gap: 8px; }
.student-avatar-photo input[type="file"] { width: 100%; min-width: 0; font-size: 12px; }
.student-avatar-photo input[type="file"]::file-selector-button {
  padding: 6px 10px;
  margin-right: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

.student-avatar-letters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.student-avatar-letters p { grid-column: 1 / -1; }
.student-avatar-letters label, .student-avatar-label { color: var(--text); font-size: 12px; font-weight: 600; }
.student-avatar-letters input, .student-avatar-letters select {
  display: block;
  width: 100%;
  min-width: 0;
  height: 34px;
  margin-top: 4px;
  padding: 4px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--text);
  background: var(--surface);
}

#student-avatar-crop-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

#student-avatar-crop-controls label { font-size: 11px; }
#student-avatar-crop-controls input { display: block; width: 100%; accent-color: #7e673b; }
.student-avatar-content .student-avatar-error { color: #a13932; }
.student-avatar-error:empty { display: none; }

.student-avatar-footer {
  position: sticky;
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.student-avatar-footer [data-avatar-mode="default"] { margin-right: auto; }
.student-avatar-footer [aria-pressed="true"] { border-color: var(--gold); }

@media (max-width: 759.98px) {
  .appbar-avatar { width: 28px; height: 28px; }
}

@media (max-width: 380px) {
  .appbar-avatar { width: 24px; height: 24px; }
  .appbar-avatar .student-avatar[data-length="3"] { font-size: 0.6em; }
  .app .appbar .brand-logo-window { width: 32px; }
  .appbar .appbar-right { gap: 2px; }
  .appbar-right > .iconbtn[data-action="refresh"] { width: 22px; min-width: 22px; padding: 0; }
  .student-avatar-head, .student-avatar-content, .student-avatar-footer { padding-inline: 12px; }
}