/* Management panel: builds on the components in app.css */

.admin-shell {
  display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100vh; min-height: 100dvh;
  background: linear-gradient(to right, var(--surface) 247px, var(--line) 247px 248px, transparent 248px);
}
.admin-side {
  position: sticky; top: 0; height: 100vh; height: 100dvh; align-self: start; min-width: 0;
  display: flex; flex-direction: column; gap: 24px; padding: 20px 14px;
}
.side-brand { display: flex; align-items: center; gap: 4px; }
.admin-side .brand { padding: 0 4px; min-width: 0; }
.side-back {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: var(--r-sm); display: grid; place-items: center;
  color: var(--text-2); text-decoration: none !important;
}
.side-back:hover { background: var(--inset); color: var(--text); }
.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav-item {
  display: flex; align-items: center; gap: 11px; width: 100%; padding: 9px 10px;
  border: 0; border-radius: var(--r-sm); background: transparent; color: var(--text-2);
  font-weight: 600; font-size: .92rem; text-align: left;
}
.admin-nav-item svg { color: var(--text-3); }
.admin-nav-item:hover { background: var(--inset); color: var(--text); }
.admin-nav-item.active { background: var(--blue-soft); color: var(--blue-strong); }
.admin-nav-item.active svg { color: var(--blue); }
.lbl-short { display: none; }
.tab-count {
  margin-left: auto; min-width: 22px; height: 20px; padding: 0 6px; border-radius: var(--r-pill);
  display: inline-grid; place-items: center; font-size: .72rem; font-weight: 700;
  background: var(--amber); color: #3A2A05;
}
.admin-side-foot { margin-top: auto; display: grid; gap: 14px; }
.admin-user { display: flex; align-items: center; gap: 10px; padding: 8px 6px; border-radius: var(--r-sm); color: var(--text); text-decoration: none !important; }
.admin-user:hover { background: var(--inset); }
.admin-user-text { display: grid; gap: 4px; justify-items: start; min-width: 0; }
.admin-user-name { font-weight: 600; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 160px; }
.side-avatar { width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0; display: grid; place-items: center; background: var(--ink); color: var(--bg); font-weight: 700; font-size: .78rem; }

.admin-main { min-width: 0; padding: 32px 36px 0; max-width: 1100px; width: 100%; display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; }
.admin-main .site-footer { margin-top: auto; }
.admin-main .site-footer { padding-left: 0; padding-right: 0; }
.admin-main .admin-section:not([hidden]) { margin-bottom: 40px; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.page-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.admin-toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.admin-toolbar .search-wrap { min-width: 240px; }
.admin-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 4px; }
.admin-select {
  min-height: 40px; padding: 0 34px 0 12px; border: 1px solid var(--line); border-radius: var(--r-sm);
  background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237A879E' stroke-width='2.5' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") right 10px center/14px no-repeat;
  -webkit-appearance: none; appearance: none; color: var(--text); font-size: .88rem; font-weight: 500;
}
.admin-select:focus { outline: none; border-color: var(--blue); }
.admin-select { max-width: 100%; min-width: 0; text-overflow: ellipsis; }
.admin-select:disabled { opacity: .55; }
.admin-count { font-size: .82rem; color: var(--text-3); margin: 16px 0 8px; }
/* Password reset: was the temporary password emailed? */
.pw-mail { margin-top: 12px; padding: 10px 12px; border-radius: var(--r-sm); font-size: .86rem; line-height: 1.45; }
.pw-mail.ok { background: var(--green-soft); color: var(--green); }
.pw-mail.warn { background: var(--amber-soft); color: var(--amber-strong); }
/* Users who never received the "account activated" email */
.mail-banner { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding: 12px 14px; border-radius: var(--r-md); border: 1px solid color-mix(in srgb, var(--blue) 30%, transparent); background: var(--blue-soft); font-size: .88rem; }
.mail-banner[hidden] { display: none; }
.mail-banner.warn { border-color: color-mix(in srgb, var(--amber) 60%, transparent); background: var(--amber-soft); }
.mail-banner-icon { flex-shrink: 0; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: var(--surface); color: var(--blue); }
.mail-banner.warn .mail-banner-icon { color: var(--amber-strong); }
.mail-banner-text { flex: 1; min-width: 0; color: var(--text-2); line-height: 1.45; }
.mail-banner-text strong { color: var(--text); }
.mail-banner .btn { flex-shrink: 0; }
@media (max-width: 560px) { .mail-banner { flex-wrap: wrap; } .mail-banner .btn { width: 100%; } }
.admin-list { display: grid; gap: 8px; }
.admin-empty { padding: 28px; text-align: center; color: var(--text-3); border: 1px dashed var(--line); border-radius: var(--r-md); }
.admin-intro { color: var(--text-2); margin-bottom: 14px; }

.admin-legend { margin: 14px 0 0; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--surface); padding: 0 16px; }
.admin-legend summary { cursor: pointer; padding: 12px 0; font-weight: 600; font-size: .9rem; }
.admin-legend dl { display: grid; grid-template-columns: max-content 1fr; gap: 10px 14px; margin: 4px 0 12px; align-items: center; }
.admin-legend dd { margin: 0; font-size: .88rem; color: var(--text-2); }
.admin-legend p { font-size: .85rem; color: var(--text-3); margin-bottom: 14px; }

/* Card */
.a-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 16px;
}
.a-card.clickable { cursor: pointer; transition: border-color .15s; }
.a-card.clickable:focus-visible { border-color: var(--text-3); }
@media (hover: hover) { .a-card.clickable:hover { border-color: var(--text-3); } }
.a-card.clickable:active { background: var(--surface-2); }
.a-card.inactive { opacity: .62; }
.a-card.pending { border-color: color-mix(in srgb, var(--amber) 60%, transparent); background: var(--amber-soft); }
.a-card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.a-code { font-family: var(--font-score); font-weight: 700; font-size: 1.05rem; }
.a-text { margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.a-meta { display: flex; gap: 6px 16px; flex-wrap: wrap; margin-top: 6px; font-size: .8rem; color: var(--text-3); }
.a-tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.a-tag { font-size: .74rem; font-weight: 600; padding: 2px 7px; border-radius: 5px; background: var(--inset); color: var(--text-2); }
.pill { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: var(--r-pill); font-size: .74rem; font-weight: 600; background: var(--inset); color: var(--text-2); }
.pill.green { background: var(--green-soft); }
.pill.red { background: var(--red-soft); }
.pill.gold { background: var(--amber-soft); }
.pill.blue { background: var(--blue-soft); color: var(--blue); }

/* Users */
.u-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.u-avatar {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--inset); color: var(--text-2); font-weight: 700; font-size: .85rem;
}
.u-card.is-master .u-avatar { background: var(--amber-soft); color: var(--amber-strong); }
.u-name { font-weight: 700; }
.u-email { font-size: .86rem; color: var(--text-2); word-break: break-all; }
.u-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.u-locked { font-size: .8rem; color: var(--text-3); display: inline-flex; align-items: center; gap: 6px; }
.u-more { position: relative; }
.u-menu {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; min-width: 230px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); box-shadow: var(--shadow-3);
}
.u-menu button {
  display: flex; width: 100%; padding: 9px 12px; border: 0; background: transparent; text-align: left;
  border-radius: var(--r-xs); font-size: .88rem; color: var(--text);
}
.u-menu button:hover { background: var(--inset); }
.u-menu button.danger { color: var(--red); }
.u-menu button.danger:hover { background: var(--red-soft); }
.u-menu hr { border: 0; border-top: 1px solid var(--line-soft); margin: 4px; }

/* Overview */
.dash-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(170px, 100%), 1fr)); gap: 10px; }
/* Phones: two tiles per row, an odd last tile takes the whole row */
@media (max-width: 560px) {
  .dash-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dash-tiles > :last-child:nth-child(odd) { grid-column: 1 / -1; }
}
.dash-tile {
  display: block; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 16px 18px; color: var(--text); width: 100%;
}
button.dash-tile:hover { border-color: var(--text-3); }
.dash-tile.attention { border-color: color-mix(in srgb, var(--amber) 70%, transparent); background: var(--amber-soft); }
.dash-tile-value { font-family: var(--font-score); font-weight: 600; font-size: 2.3rem; line-height: 1.05; font-variant-numeric: tabular-nums; }
.dash-tile-label { font-size: .84rem; color: var(--text-2); }
.dash-tile-sub { font-size: .76rem; color: var(--text-3); margin-top: 2px; }
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr)); gap: 14px; margin-top: 16px; }
.dash-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px 18px; }
.dash-panel-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.dash-panel h2 { font-size: .98rem; font-weight: 700; }
.dash-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--line-soft); font-size: .9rem; }
.dash-row:first-child { border-top: 0; }
.dash-row-main { flex: 1; min-width: 0; }
.dash-row-main small { display: block; color: var(--text-3); font-size: .78rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dash-empty { color: var(--text-3); font-size: .88rem; padding: 6px 0; }
.dash-bar { display: grid; grid-template-columns: 150px minmax(0, 1fr) 44px; gap: 10px; align-items: center; padding: 6px 0; font-size: .86rem; }
.dash-bar-track { height: 8px; border-radius: 4px; background: var(--inset); overflow: hidden; }
.dash-bar-track span { display: block; height: 100%; background: var(--src); border-radius: 4px; }
.dash-bar-num { text-align: right; font-variant-numeric: tabular-nums; color: var(--text-2); }
.dash-tile.static { cursor: default; }
.dash-panel-note { font-size: .76rem; color: var(--text-3); }
.dash-foot { font-size: .76rem; color: var(--text-3); margin-top: 8px; }
.dash-sub { font-size: .76rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; margin: 14px 0 6px; }
/* Clickable rows (hardest references, content checks) */
.dash-row-btn { width: 100%; text-align: left; background: none; border-left: 0; border-right: 0; border-bottom: 0; color: var(--text); cursor: pointer; border-radius: 0; }
.dash-row-btn:first-child { border-top: 0; }
.dash-row-btn:hover:not(:disabled) .dash-row-main { color: var(--blue-strong); }
.dash-row-btn:disabled { cursor: default; color: var(--text-2); }
.dash-row-btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 6px; }
/* Study activity */
.dash-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 520px) { .dash-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.dash-stat { background: var(--inset); border-radius: var(--r-sm, 10px); padding: 10px 12px; min-width: 0; }
.dash-stat-value { font-family: var(--font-score); font-weight: 600; font-size: 1.6rem; line-height: 1.05; font-variant-numeric: tabular-nums; }
.dash-stat-label { font-size: .8rem; color: var(--text-2); }
.dash-stat-sub { font-size: .72rem; color: var(--text-3); margin-top: 2px; overflow-wrap: anywhere; }
/* Share of correct answers / counts on the right of a row */
.dash-pct, .dash-count {
  flex-shrink: 0; min-width: 44px; text-align: center; padding: 3px 8px; border-radius: var(--r-pill);
  font-size: .8rem; font-weight: 700; font-variant-numeric: tabular-nums;
}
.dash-pct.low, .dash-count.warn { color: var(--red); background: var(--red-soft); }
.dash-pct.mid, .dash-count.info { color: var(--amber-strong); background: var(--amber-soft); }
.dash-pct.ok, .dash-count.ok { color: var(--green); background: var(--green-soft); }
/* Small counters */
.dash-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.dash-chip { display: inline-flex; gap: 4px; align-items: baseline; padding: 4px 10px; border-radius: var(--r-pill); background: var(--inset); font-size: .8rem; color: var(--text-2); }
.dash-chip strong { color: var(--text); font-variant-numeric: tabular-nums; }
.dash-chip.warn { background: var(--amber-soft); color: var(--amber-strong); }
/* Questions by difficulty */
.dash-stack { display: flex; height: 10px; border-radius: 5px; overflow: hidden; gap: 2px; background: var(--inset); }
.dash-stack span { min-width: 3px; }
.dash-stack .diff-e, .dash-legend i.diff-e { background: var(--green); }
.dash-stack .diff-m, .dash-legend i.diff-m { background: var(--blue); }
.dash-stack .diff-d, .dash-legend i.diff-d { background: var(--amber); }
.dash-stack .diff-dd, .dash-legend i.diff-dd { background: var(--red); }
.dash-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 8px; font-size: .78rem; color: var(--text-2); }
.dash-legend span { display: inline-flex; align-items: center; gap: 6px; }
.dash-legend i { width: 8px; height: 8px; border-radius: 50%; }
.d-icon.sm { width: 28px; height: 34px; font-size: .5rem; padding-bottom: 4px; flex-shrink: 0; }

/* Reports */
.f-item { margin-top: 10px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--surface-2); border: 1px solid var(--line-soft); }
.f-item-head { display: flex; gap: 10px; flex-wrap: wrap; font-size: .82rem; color: var(--text-3); align-items: center; }
.f-item-head strong { color: var(--text); }
.f-note { margin-top: 4px; font-size: .9rem; white-space: pre-line; }

/* Editor */
.editor-box { max-width: 760px; padding: 0; display: flex; flex-direction: column; }
.editor-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px 8px; }
.editor-head .modal-title { margin: 0; }
.editor-body { padding: 8px 22px; overflow: auto; flex: 1; }
.editor-foot { display: flex; gap: 8px; align-items: center; padding: 14px 22px; border-top: 1px solid var(--line-soft); background: var(--surface-2); border-radius: 0 0 var(--r-lg) var(--r-lg); }
.editor-row { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; }
#r-editor .editor-row { grid-template-columns: 1fr 1fr; }
.ans-row { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto 34px; gap: 8px; align-items: center; margin-bottom: 6px; }
.ans-letter { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--inset); font-family: var(--font-score); font-weight: 700; color: var(--text-2); }
.ans-row.correct .ans-letter { background: var(--green); color: #fff; }
.ans-row.correct .form-input { border-color: color-mix(in srgb, var(--green) 60%, transparent); }
.ans-correct { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--text-2); white-space: nowrap; cursor: pointer; }
.yn-choice { display: flex; gap: 10px; }
.yn-choice label {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border: 1px solid var(--line); border-radius: var(--r-sm); cursor: pointer; font-weight: 600;
}
.yn-choice label:has(input:checked) { border-color: var(--green); background: var(--green-soft); }
.ref-picker { position: relative; display: grid; gap: 8px; }
.ref-picked { display: flex; flex-wrap: wrap; gap: 6px; }
.ref-picked:empty { display: none; }
.ref-chip {
  display: inline-flex; align-items: center; gap: 6px; max-width: 100%; padding: 4px 4px 4px 6px;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-sm); font-size: .84rem;
}
.ref-chip-title { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }
.ref-chip button { border: 0; background: transparent; color: var(--text-3); width: 24px; height: 24px; border-radius: 5px; }
.ref-chip button:hover { background: var(--red-soft); color: var(--red); }
.ref-suggest {
  position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 10; max-height: 300px; overflow: auto; padding: 4px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm); box-shadow: var(--shadow-3);
}
.ref-suggest-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: var(--r-xs); cursor: pointer; font-size: .88rem; }
.ref-suggest-item .t { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ref-suggest-item.active, .ref-suggest-item:hover { background: var(--blue-soft); }
.ref-suggest-empty { padding: 10px; color: var(--text-3); font-size: .88rem; }
.editor-flags { margin-top: 16px; padding: 12px 14px; border-radius: var(--r-sm); background: var(--amber-soft); }
.editor-usage { margin-top: 4px; font-size: .88rem; color: var(--text-2); padding: 12px 14px; background: var(--surface-2); border-radius: var(--r-sm); }
.editor-usage a { cursor: pointer; font-weight: 600; }
.pw-box { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: var(--r-sm); background: var(--inset); }
.pw-box code { flex: 1; font-size: 1.15rem; font-weight: 600; letter-spacing: .06em; word-break: break-all; }

@media (max-width: 860px) {
  .admin-shell { grid-template-columns: minmax(0, 1fr); background: none; }
  .admin-side {
    position: sticky; top: 0; z-index: 30; height: auto; flex-direction: row; align-items: center; gap: 10px;
    padding: 8px 12px; padding-top: calc(8px + env(safe-area-inset-top, 0)); border-right: 0; border-bottom: 1px solid var(--line);
    /* Solid background: a backdrop-filter here would trap the fixed bottom navigation inside this bar */
    background: var(--surface);
  }
  .admin-side .brand-text { display: flex; }
  .side-brand { flex: 1; min-width: 0; }
  /* Sections become a bottom navigation bar, like the quiz portal */
  .admin-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 0;
    height: calc(64px + env(safe-area-inset-bottom, 0)); padding-bottom: env(safe-area-inset-bottom, 0);
    background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--line); overflow: visible;
  }
  .admin-nav-item {
    position: relative; flex-direction: column; justify-content: center; gap: 3px; width: auto; min-width: 0; min-height: 0;
    padding: 4px 2px; border-radius: 0; font-size: .66rem; text-align: center; background: transparent !important; color: var(--text-3);
  }
  .admin-nav-item svg { display: block; width: 22px; height: 22px; color: inherit; }
  .admin-nav-item .lbl { display: none; }
  .admin-nav-item .lbl-short { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .admin-nav-item.active { color: var(--text); }
  .admin-nav-item.active svg { color: var(--blue); }
  .admin-nav-item.active::before { content: ''; position: absolute; top: 0; left: 50%; width: 28px; margin-left: -14px; height: 3px; border-radius: 0 0 3px 3px; background: var(--amber); }
  .admin-nav-item .tab-count { position: absolute; top: 4px; left: 50%; margin-left: 6px; min-width: 18px; height: 16px; font-size: .62rem; padding: 0 4px; }
  .admin-side-foot { display: none; }
  .admin-main { padding: 20px 16px 0; min-height: calc(100dvh - 60px); }
  .admin-main .site-footer { padding-bottom: calc(64px + 24px + env(safe-area-inset-bottom, 0)); }
  .admin-toolbar .search-wrap { min-width: 0; flex: 1 1 100%; }
  .admin-toolbar .admin-select { flex: 1; }
  .toast { bottom: calc(64px + 16px + env(safe-area-inset-bottom, 0)); }
  .u-card { grid-template-columns: auto minmax(0, 1fr); }
  .u-actions { grid-column: 1 / -1; justify-content: flex-start; }
  .d-card { grid-template-columns: auto minmax(0, 1fr); }
  .d-actions { grid-column: 1 / -1; justify-content: flex-start; flex-wrap: wrap; }
  .d-order { flex-direction: row; }
  .d-order .icon-btn { height: 40px; }
  .editor-row, #r-editor .editor-row, #r-editor .change-fieldset .editor-row { grid-template-columns: 1fr; }
  .ans-row { grid-template-columns: 28px minmax(0, 1fr) 34px; }
  .ans-correct { grid-column: 2; grid-row: 2; }
  .admin-legend dl { grid-template-columns: 1fr; }
  .dash-bar { grid-template-columns: 110px minmax(0, 1fr) 40px; }
  #us-modal { place-items: stretch; padding: 0; }
  #us-modal .us-box { max-width: none; }
  .us-src { grid-template-columns: minmax(0, 1fr) 90px; }
  .us-src-bar { grid-column: 1 / -1; grid-row: 2; }
  .us-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .us-tile-value { font-size: 1.5rem; }
}


.change-fieldset { border: 1px solid var(--line); border-radius: var(--r-sm); padding: 12px 14px 0; margin: 4px 0 16px; min-width: 0; }
.change-fieldset legend { font-weight: 700; font-size: .9rem; padding: 0 6px; }
.change-fieldset > .form-hint { margin: 0 0 12px; }
#r-editor .change-fieldset .editor-row { grid-template-columns: 1fr 1fr; }
.a-card-top .change-badge { margin-left: 2px; }

/* User overview (read-only) */
#us-modal .us-box { max-width: 640px; }
.us-readonly { font-size: .82rem; color: var(--text-3); margin: 0 0 10px; }
.us-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; font-size: .84rem; color: var(--text-2); margin-bottom: 16px; }
.us-tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.us-tile { background: var(--surface-2); border: 1px solid var(--line-soft); border-radius: var(--r-sm); padding: 12px 14px; }
.us-tile-value { font-family: var(--font-score); font-weight: 600; font-size: 1.9rem; line-height: 1.05; font-variant-numeric: tabular-nums; }
.us-tile-value small { font-size: .5em; color: var(--text-3); margin-left: .55em; padding-left: .55em; border-left: 2px solid var(--line); vertical-align: .18em; }
.us-tile-label { font-size: .8rem; color: var(--text-3); }
.us-h { font-size: .92rem; font-weight: 700; margin: 20px 0 8px; }
.us-sources { display: grid; gap: 6px; }
.us-src { display: grid; grid-template-columns: 180px minmax(0, 1fr) 96px; gap: 10px; align-items: center; font-size: .86rem; }
.us-src-name { display: flex; align-items: center; gap: 8px; font-weight: 600; min-width: 0; }
.us-src-bar { height: 8px; border-radius: 4px; background: var(--red-soft); overflow: hidden; }
.us-src-bar span { display: block; height: 100%; background: var(--green); }
.us-src-bar.empty { background: var(--inset); }
.us-src-num { text-align: right; color: var(--text-2); font-variant-numeric: tabular-nums; }
.us-src-num strong { color: var(--text); }
.us-weak { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px; }
.us-weak li { display: flex; align-items: baseline; gap: 8px; min-width: 0; padding: 7px 10px; border-radius: var(--r-xs); background: var(--surface-2); font-size: .88rem; }
.us-weak-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.us-weak-num { flex-shrink: 0; color: var(--red); font-weight: 600; font-variant-numeric: tabular-nums; }
.us-weak .us-none { color: var(--text-3); }
.us-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0; }
.us-facts div { padding: 8px 10px; border-radius: var(--r-xs); background: var(--surface-2); }
.us-facts dt { font-size: .76rem; color: var(--text-3); }
.us-facts dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; }

/* Documents */
.d-card { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; }
.d-icon {
  width: 40px; height: 48px; border-radius: 5px 12px 5px 5px; display: grid; place-items: end center; padding-bottom: 6px;
  background: var(--inset); color: var(--text-2); font-size: .6rem; font-weight: 800; letter-spacing: .04em;
}
.d-title { font-weight: 700; }
.d-actions { display: flex; align-items: center; gap: 4px; }
.d-order { display: flex; flex-direction: column; }
.d-order .icon-btn { height: 26px; }
#d-editor .editor-box { max-width: 560px; }
.dropzone {
  position: relative; display: grid; justify-items: center; gap: 6px; text-align: center; cursor: pointer;
  padding: 22px 16px; border: 2px dashed var(--line); border-radius: var(--r-md); background: var(--surface-2); color: var(--text-2);
  transition: border-color .15s, background .15s;
}
.dropzone input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone:hover, .dropzone.drag { border-color: var(--blue); background: var(--blue-soft); }
.dropzone.has-file { border-style: solid; border-color: var(--green); background: var(--green-soft); color: var(--text); }
.dropzone:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }
.dropzone-text { font-weight: 600; font-size: .9rem; word-break: break-all; }
.d-current { font-size: .85rem; color: var(--text-2); margin-top: 6px; }
.upload-progress { height: 6px; border-radius: 3px; background: var(--inset); overflow: hidden; margin-top: 4px; }
.upload-progress span { display: block; height: 100%; width: 0; background: var(--blue); transition: width .15s; }

/* ---------- Touch and mobile devices ---------- */
.editor-row > * { min-width: 0; }
@media (pointer: coarse) {
  .side-back { width: 44px; height: 44px; }
  .admin-nav-item { min-height: 44px; }
  .admin-select, .admin-toolbar .search-input { font-size: 16px; min-height: 44px; }
  .admin-nav-item { min-height: 44px; }
  .ref-chip button { width: 36px; height: 36px; }
  .u-menu button { padding: 13px 12px; }
  .ref-suggest-item { padding: 12px 10px; }
}
@media (max-width: 860px) {
  /* Full-screen editors */
  #q-editor, #r-editor, #d-editor { place-items: stretch; padding: 0; }
  #d-editor .editor-box { max-width: none; }
  .editor-box { max-width: none; height: 100dvh; max-height: 100dvh; border-radius: 0; border: 0; padding: 0; animation: sheet .22s ease-out; }
  .editor-head { padding: calc(12px + env(safe-area-inset-top, 0)) 16px 8px; border-bottom: 1px solid var(--line-soft); }
  .editor-body { padding: 14px 16px; }
  .editor-foot { flex-wrap: wrap; padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0)); border-radius: 0; }
  .editor-foot .spacer { display: none; }
  .editor-foot .btn { flex: 1 1 0; }
  .editor-foot .btn-primary { flex-basis: 100%; order: -1; }
  .u-menu { position: fixed; left: 8px; right: 8px; top: auto; bottom: calc(8px + env(safe-area-inset-bottom, 0)); min-width: 0; border-radius: var(--r-lg); box-shadow: var(--shadow-3); animation: sheet .22s ease-out; z-index: 80; }
  .u-more.open::before { content: ''; position: fixed; inset: 0; z-index: 79; background: rgba(8, 15, 30, .45); }
  .dash-row { flex-wrap: wrap; }
  .head-actions { width: 100%; }
  .head-actions .btn { flex: 1; }
}