.base64-tool {
  --quick-tools-width: 180px;
  position: fixed;
  z-index: 30;
  top: 70px;
  right: 8px;
  width: var(--quick-tools-width);
  font-size: 12px;
  transition: left .24s ease, top .24s ease;
}
.base64-tool.is-positioned { right: auto; }
.base64-tool.is-dragging { transition: none; }
.quick-tools-rail { position: relative; display: flex; flex-direction: column; align-items: flex-end; gap: 44px; }
.quick-tools-rail::before {
  content: "";
  position: absolute;
  right: 31px;
  top: 64px;
  bottom: 27px;
  width: 1px;
  background: #bfd9d0;
  pointer-events: none;
}
.quick-tools-toggle {
  position: relative;
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  padding: 0;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #e5f5ed;
  box-shadow: 0 0 0 1px #aad2bf, 0 8px 22px #174d403b;
  transition: transform .18s ease, box-shadow .18s ease;
  cursor: grab;
  touch-action: none;
}
.base64-tool.is-dragging .quick-tools-toggle { cursor: grabbing; transform: none; }
.base64-tool.is-docked .quick-tools-state { right: auto; left: 1px; }
.quick-tools-avatar {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: 50%;
}
.quick-tools-avatar img {
  position: absolute;
  top: -3px;
  left: -10px;
  width: 88px;
  height: 88px;
  object-fit: contain;
  pointer-events: none;
}
.quick-tools-state {
  position: absolute;
  z-index: 2;
  right: -5px;
  bottom: -4px;
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #16766a;
  color: #fff;
  box-shadow: 0 2px 5px #174d4033;
}
.quick-tools-state::before { content: "+"; font: 600 18px/1 Arial, sans-serif; margin-top: -1px; }
.quick-tools-toggle[aria-expanded="true"] .quick-tools-state::before { content: "−"; }
.quick-tools-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px #8cbea6, 0 12px 26px #174d4052;
}
.quick-tools-items {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
}
.quick-tool-button {
  position: relative;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
  gap: 12px;
  flex: none;
  width: 100%;
  min-height: 54px;
  padding: 0;
  text-align: right;
}
.quick-tool-orb {
  display: grid;
  place-items: center;
  flex: none;
  width: 54px;
  height: 54px;
  border: 1px solid #cfdbec;
  border-radius: 50%;
  background: #ffffffd9;
  color: #456b9c;
  box-shadow: 0 3px 11px #2547741f, inset 0 0 0 4px #fff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font: 700 16px/1 "SFMono-Regular", Consolas, monospace;
  transition: border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.quick-tool-label {
  position: relative;
  display: inline-block;
  max-width: 112px;
  padding: 7px 10px;
  border-radius: 7px;
  background: #34445c;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
}
.quick-tool-label::before {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #34445c;
}
.quick-tool-button:hover .quick-tool-orb,
.quick-tool-button[aria-expanded="true"] .quick-tool-orb {
  transform: scale(1.05);
  border-color: #7fa5e8;
  color: #2858cc;
  box-shadow: 0 5px 16px #25477430, inset 0 0 0 4px #fff;
}
.quick-tool-button:hover .quick-tool-label,
.quick-tool-button[aria-expanded="true"] .quick-tool-label { background: #2a3d59; }
.quick-tool-button:hover .quick-tool-label::before,
.quick-tool-button[aria-expanded="true"] .quick-tool-label::before { border-left-color: #2a3d59; }
.quick-tools-toggle:focus-visible,
.quick-tool-button:focus-visible { outline: 3px solid #86adf0; outline-offset: 3px; }
.base64-tool.is-collapsed .quick-tools-items { display: none; }
.base64-tool.is-collapsed .quick-tools-rail::before { display: none; }
@media (prefers-reduced-motion: reduce) {
  .base64-tool, .quick-tools-toggle, .quick-tool-orb { transition: none; }
}
.base64-panel {
  position: fixed;
  top: 148px;
  left: 16px;
  width: min(590px, calc(100vw - 48px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  border: 1px solid #cbdad2;
  border-radius: 18px;
  background: #f8faf9;
  box-shadow: 0 28px 70px #173b343d, 0 4px 12px #173b3412;
}
.base64-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 19px 22px;
  background: #173f3b;
  color: #fff;
}
.base64-heading-main { display: flex; align-items: center; gap: 14px; min-width: 0; }
.base64-heading-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border: 1px solid #6f9c8a;
  border-radius: 12px;
  background: #2a5c53;
  color: #e9f6ef;
  font: 700 17px "SFMono-Regular", Consolas, monospace;
}
.base64-kicker {
  display: block;
  margin-bottom: 4px;
  color: #a9c9ba;
  font: 600 9px "SFMono-Regular", Consolas, monospace;
  letter-spacing: 1.5px;
}
.base64-heading h2 { color: #fff; font-size: 18px; line-height: 1.35; }
.base64-heading p { margin-top: 4px; color: #b9d0c7; font-size: 11px; }
.base64-close {
  align-self: flex-start;
  width: 32px;
  height: 32px;
  border: 1px solid #5d8579;
  border-radius: 8px;
  background: #ffffff10;
  color: #d9ece2;
  font-size: 23px;
  line-height: 1;
}
.base64-close:hover { background: #ffffff25; color: #fff; }
.base64-content { padding: 23px 22px 20px; }
.base64-field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.base64-label { color: #334b44; font-size: 13px; font-weight: 600; }
.base64-format { color: #8c9f95; font: 10px "SFMono-Regular", Consolas, monospace; }
.base64-content textarea {
  display: block;
  width: 100%;
  min-height: 144px;
  padding: 14px 16px;
  resize: vertical;
  border: 1px solid #d4e0d9;
  border-radius: 10px;
  background: #fff;
  color: #243a35;
  box-shadow: inset 0 1px 2px #2444380a;
  font: 13px/1.7 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}
.base64-content textarea[readonly] { background: #f3f8f5; }
.base64-content textarea:focus-visible { outline: 3px solid #8bcbbd; outline-offset: 2px; }
.base64-error { margin: 10px 0 0; color: var(--red); font-size: 12px; }
.base64-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0 18px; }
.base64-actions .button { min-height: 44px; border-radius: 8px; font-size: 13px; font-weight: 600; }
.base64-actions .primary { background: #176b5e; border-color: #176b5e; }
.base64-actions .primary:hover { background: #12574e; border-color: #12574e; }
.base64-actions .secondary { border-color: #95b8a9; background: #f3f8f4; color: #176b5e; }
.base64-actions .secondary:hover { border-color: #6b9f8c; background: #e7f2e9; }
.base64-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; padding-top: 14px; border-top: 1px solid #dce8e0; }
.base64-status { color: #81948a; font-size: 11px; }
.base64-utilities { display: flex; align-items: center; gap: 8px; }
.base64-utilities button {
  padding: 5px 9px;
  border-radius: 6px;
  color: #407767;
  font-size: 11px;
  font-weight: 600;
}
.base64-utilities button:not(:disabled):hover { background: #eaf4ed; }
@media (min-width: 901px) and (max-width: 1080px) {
  .base64-tool.is-panel-open .quick-tools-items { visibility: hidden; pointer-events: none; }
}
@media (max-width: 900px) {
  .base64-tool { top: 72px; }
  .quick-tools-rail { gap: 12px; }
  .base64-tool.is-panel-open .quick-tools-items { visibility: hidden; pointer-events: none; }
  .base64-heading { padding: 16px; }
  .base64-heading-icon { width: 40px; height: 40px; }
  .base64-heading h2 { font-size: 16px; }
  .base64-content { padding: 16px; }
  .base64-content textarea { min-height: 138px; font-size: 16px; }
  .base64-close, .base64-actions .button { min-height: 44px; }
  .base64-bottom { flex-wrap: wrap; }
}