/**
 * legacy utility class bridge
 *
 * Single / author / meta markup still uses legacy utility class names
 * (.flex / .ac / .jsb / .abs-right / .muted-2-color / …). Without these
 * helpers the author bar and meta row collapse into a vertical mess.
 *
 * Keep this file tiny and pure utility — domain styles stay in single-post/*.
 */

/* Layout helpers */
.relative { position: relative; }
.flex { display: flex; }
.flex.ac,
.ac { align-items: center; }
.flex.jc,
.jc { justify-content: center; }
.flex.jsb,
.jsb { justify-content: space-between; }
.flex.at,
.at { align-items: flex-start; }
.flex.ae,
.ae { align-items: flex-end; }
.flex0 { flex: 0 0 auto; }
.flex1 { flex: 1 1 auto; min-width: 0; }
.flex.column { flex-direction: column; }
.flex.wrap { flex-wrap: wrap; }
.flex.flex-row,
.flex-row { flex-direction: row; }
.flex.jse,
.jse { justify-content: space-evenly; }
.flex.jsa,
.jsa { justify-content: space-around; }
/* Nested flex1 (legacy .flex .flex1) — allow both direct and descendant */
.flex > .flex1,
.flex .flex1 { flex: 1; overflow: hidden; min-width: 0; }
.relative-h { position: relative; height: 100%; }
.padding-10 { padding: 10px; }
.font-bold { font-weight: bold; }
.mt6 { margin-top: 6px; }
.gutters-5 { margin: -5px; }
.gutters-5 > * { padding: 5px; }
@media (max-width: 767px) {
  .flex.flex-row.flex-col-sm-2 {
    flex-wrap: wrap;
  }
  .flex.flex-row.flex-col-sm-2 > * {
    flex-basis: 50%;
  }
}

.clearfix::before,
.clearfix::after {
  content: "";
  display: table;
}

.clearfix::after {
  clear: both;
}

.abs-right {
  position: absolute;
  right: 0;
  top: 0;
}

/* legacy .abs-center: full-width vertical center (translateY only).
 * Header search and slide-text rely on this model. Point-center
 * (left:50% + translate(-50%,-50%)) is NOT used for these layers. */
.abs-center {
  position: absolute;
  left: 0;
  width: 100%;
  top: 50%;
  right: 0.7em;
  transform: translateY(-50%);
  z-index: 1;
}

/* legacy abs-center position variants (main.css) */
.abs-center.left-top,
.abs-center.right-top {
  transform: unset;
  top: 0;
}

.abs-center.right-top {
  left: auto;
  width: auto;
  text-align: right;
}

.abs-center.left-top {
  text-align: left;
}

.abs-center.conter-bottom,
.abs-center.conter-conter {
  text-align: center;
}

.abs-center.right-top,
.abs-center.right-bottom,
.abs-center.right-conter {
  text-align: right;
}

.abs-center.conter-bottom,
.abs-center.right-bottom,
.abs-center.left-bottom {
  top: auto;
  transform: unset;
  bottom: 0;
}

.abs-center.left-bottom {
  left: 0;
  right: auto;
  text-align: left;
}

.abs-center.right-bottom,
.abs-center.right-conter {
  left: auto;
  right: 0;
  text-align: right;
}

/* Graphic ratio box (cover / related thumbs) — legacy .graphic */
.graphic,
.page-cover {
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
  --main-color: #fff;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 10px var(--main-shadow, rgba(116, 116, 116, 0.08));
  padding: 0;
  padding-bottom: 70%;
  border-radius: var(--main-radius, var(--radius, 8px));
}

.graphic > .fit-cover,
.graphic > img.fit-cover {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  inset: 0;
}

.fit-cover {
  object-fit: cover;
  max-width: 100%;
}

/* title-h-left underline bar (legacy) */
.title-h-left {
  position: relative;
  padding-bottom: 8px;
}

.title-h-left:before {
  transition: 0.4s;
  transform-origin: left;
  position: absolute;
  content: "";
  width: 40px;
  height: 3px;
  background: var(--theme-color, var(--focus-color, #f04494));
  left: 0;
  bottom: 3px;
  border-radius: 5px;
  box-shadow: 1px 1px 3px -1px var(--theme-color, var(--focus-color, #f04494));
}

/* line-form-line — legacy absolute bottom rule (author meta separator) */
.line-form-line,
.line-form-line:before {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 100%;
  transition: 0.8s;
  background: var(--main-border-color, rgba(50, 50, 50, 0.06));
}

.line-form-line:before {
  content: "";
  width: 0;
  background: var(--focus-color, #f04494);
}

/* Avatar size primitive */
.avatar-img {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
  --this-size: 38px;
  width: var(--this-size);
  height: var(--this-size);
}

.avatar-img .avatar,
.avatar-img img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.avatar-lg {
  --this-size: 80px;
}

.avatar-md {
  --this-size: 55px;
}

.avatar-mini {
  --this-size: 20px;
}

.shrink0 {
  flex-shrink: 0;
}

.opacity8 {
  opacity: 0.8;
}

/* Typography / color helpers */
.muted-color { color: var(--muted-color, var(--color-ink-3)); }
.muted-2-color { color: var(--muted-2-color, var(--color-ink-4)); }
.muted-3-color { color: var(--muted-3-color, #b1b1b1); }
.muted-4-color { color: var(--muted-4-color, #d2d2d2); }
.text-center { text-align: center; }
.em09 { font-size: 0.9em; }
.em12 { font-size: 1.2em; }
.px12-sm { font-size: 12px; }
.ml3 { margin-left: 3px; }
.ml6 { margin-left: 6px; }
.ml10 { margin-left: 10px; }
.mr3 { margin-right: 3px; }
.mr6 { margin-right: 6px; }
.mt10 { margin-top: 10px; }
.mt20 { margin-top: 20px; }
.mb10 { margin-bottom: 10px; }
.mb20 { margin-bottom: 20px; }

.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.text-ellipsis-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Surfaces used by single article shell */
.main-bg {
  background-color: var(--main-bg-color, var(--surface-1));
}

.separator {
  position: relative;
  letter-spacing: 0.08em;
}

/* Compact inline separators inside meta/time rows */
.icon-circle + .icon-circle::before {
  content: "·";
  display: inline-block;
  margin: 0 0.45em;
  opacity: 0.55;
}

/* Author name row (was a non-standard <name> element) */
.article-avatar name,
.article-avatar .name,
.user-name {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  max-width: 100%;
}

.pull-right { float: right; }
.pull-left { float: left; }