/* ==========================================================================
   OERL Publications & Bookstore — modern publication platform
   Scoped .pub-* ; uses shared theme tokens from oerl-enhance.css.
   ========================================================================== */
.pub-eyebrow { display:inline-block; font-size:15px; font-weight:600; text-transform:uppercase;
  color:var(--tg-theme-secondary-500); margin-bottom:12px; }

/* ---------- HERO ---------- */
.pub-hero { position:relative; overflow:hidden; color:#fff; padding:90px 0;
  background:linear-gradient(135deg,#0a1830,#0f2b46 55%,#1c6a97); }
.pub-hero::after { content:""; position:absolute; inset:0; background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px); background-size:26px 26px; opacity:.5; }
.pub-hero .container { position:relative; z-index:2; }
.pub-crumb { font-size:13.5px; color:rgba(255,255,255,.72); margin-bottom:18px; }
.pub-crumb a { color:rgba(255,255,255,.72); } .pub-crumb a:hover{color:#fff;} .pub-crumb .sep{opacity:.5;margin:0 7px;}
.pub-hero h1 { font-size:48px; font-weight:800; margin:0 0 14px; color:#fff; }
.pub-hero p { font-size:17px; color:rgba(255,255,255,.85); max-width:620px; margin:0; }
.pub-hero-stats { display:flex; gap:34px; margin-top:30px; flex-wrap:wrap; }
.pub-hero-stat .n { font-size:30px; font-weight:800; color:#fff; }
.pub-hero-stat .l { font-size:13.5px; color:rgba(255,255,255,.72); }

/* ---------- SECTION ---------- */
.pub-sec { padding:100px 0; }
.pub-head { margin-bottom:36px; }
.pub-head h2 { font-size:30px; font-weight:800; color:var(--tg-heading-color); margin:0 0 8px; }
.pub-head p { font-size:15.5px; color:var(--tg-body-color); margin:0; }
[data-bs-theme="dark"] .pub-head p { color:var(--oerl-text); }

/* ---------- FEATURED ---------- */
.pub-feat { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.pub-feat-card { display:flex; gap:18px; background:var(--oerl-surface); border:1px solid var(--oerl-border-soft);
  border-radius:16px; padding:22px; transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.pub-feat-card:hover { transform:translateY(-5px); border-color:var(--tg-theme-primary-300); box-shadow:0 24px 50px -30px rgba(20,24,60,.34); }
.pub-feat-cover { flex:0 0 78px; height:104px; border-radius:9px; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:26px; box-shadow:0 10px 24px -12px rgba(0,0,0,.4); }
.pub-feat-body .tp { font-size:11.5px; font-weight:800; letter-spacing:.05em; text-transform:uppercase; color:var(--tg-theme-primary-500); }
.pub-feat-body h4 { font-size:16px; font-weight:700; color:var(--tg-heading-color); margin:5px 0 4px; line-height:1.35; }
.pub-feat-body .au { font-size:13px; color:var(--tg-body-color); }

/* ---------- FILTER TOOLBAR ---------- */
.pub-toolbar { background:var(--oerl-surface); border:1px solid var(--oerl-border-soft); border-radius:18px;
  padding:22px 24px; margin-bottom:28px; box-shadow:0 18px 44px -34px rgba(20,24,60,.3); }
[data-bs-theme="dark"] .pub-toolbar { box-shadow:0 18px 44px -30px rgba(0,0,0,.8); }
.pub-search { position:relative; margin-bottom:18px; }
.pub-search i { position:absolute; left:16px; top:50%; transform:translateY(-50%); width:19px; height:19px; color:var(--tg-body-color); }
.pub-search input { width:100%; background:var(--oerl-surface-2); border:1px solid var(--oerl-border-soft); border-radius:40px;
  padding:14px 18px 14px 46px; font-size:15px; color:var(--tg-heading-color); transition:border-color .2s ease, box-shadow .2s ease; }
.pub-search input:focus { outline:none; border-color:var(--tg-theme-primary-500); box-shadow:0 0 0 3px rgba(63,163,215,.16); }
.pub-chips { display:flex; flex-wrap:wrap; gap:9px; margin-bottom:18px; }
.pub-chip { border:1px solid var(--oerl-border-soft); background:transparent; color:var(--tg-body-color); font-size:13.5px;
  font-weight:600; padding:8px 16px; border-radius:30px; cursor:pointer; transition:all .2s ease; }
.pub-chip:hover { border-color:var(--tg-theme-primary-400); color:var(--tg-theme-primary-500); }
.pub-chip.active { background:var(--tg-theme-primary-500); border-color:var(--tg-theme-primary-500); color:#fff; }
.pub-filters { display:grid; grid-template-columns:repeat(4,1fr) auto; gap:12px; align-items:end; }
.pub-fg label { display:block; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:var(--tg-body-color); margin-bottom:6px; }
.pub-fg select, .pub-fg input { width:100%; background:var(--oerl-surface-2); border:1px solid var(--oerl-border-soft);
  border-radius:10px; padding:11px 13px; font-size:14px; color:var(--tg-heading-color); }
.pub-fg select:focus, .pub-fg input:focus { outline:none; border-color:var(--tg-theme-primary-500); box-shadow:0 0 0 3px rgba(63,163,215,.16); }
.pub-clear { border:1px solid var(--oerl-border-soft); background:transparent; color:var(--tg-theme-secondary-500); font-weight:700;
  font-size:14px; padding:11px 18px; border-radius:10px; cursor:pointer; white-space:nowrap; transition:all .2s ease; display:inline-flex; align-items:center; gap:7px; }
.pub-clear:hover { border-color:var(--tg-theme-secondary-500); background:rgba(250,108,32,.08); }
.pub-clear i { width:15px; height:15px; }

/* ---------- RESULT BAR ---------- */
.pub-resultbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:22px; flex-wrap:wrap; gap:12px; }
.pub-count { font-size:14.5px; color:var(--tg-body-color); } .pub-count b { color:var(--tg-heading-color); }
.pub-sort { display:flex; align-items:center; gap:8px; font-size:14px; color:var(--tg-body-color); }
.pub-sort select { background:var(--oerl-surface); border:1px solid var(--oerl-border-soft); border-radius:8px; padding:8px 12px; font-size:14px; color:var(--tg-heading-color); }

/* ---------- PUBLICATION CARDS ---------- */
.pub-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.pub-card { display:flex; flex-direction:column; background:var(--oerl-surface); border:1px solid var(--oerl-border-soft);
  border-radius:16px; overflow:hidden; transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease; height:100%; }
.pub-card:hover { transform:translateY(-6px); border-color:var(--tg-theme-primary-300); box-shadow:0 28px 56px -32px rgba(20,24,60,.36); }
[data-bs-theme="dark"] .pub-card:hover { box-shadow:0 28px 56px -28px rgba(0,0,0,.85); }
.pub-cover { position:relative; height:170px; display:flex; align-items:center; justify-content:center; color:#fff; padding:20px; text-align:center; }
.pub-cover .ci { position:absolute; top:14px; left:14px; width:30px; height:30px; opacity:.85; }
.pub-cover .ct { font-size:15px; font-weight:700; line-height:1.35; max-width:90%; text-shadow:0 1px 8px rgba(0,0,0,.25); }
.pub-status { position:absolute; top:14px; right:14px; font-size:10.5px; font-weight:800; letter-spacing:.04em; text-transform:uppercase;
  padding:4px 9px; border-radius:20px; background:rgba(255,255,255,.9); color:#0a1830; }
.pub-status.forthcoming { background:var(--tg-theme-secondary-500); color:#fff; }
.pub-status.open { background:#16a34a; color:#fff; }
.pub-card-body { padding:20px 22px; display:flex; flex-direction:column; flex:1 1 auto; }
.pub-type { font-size:11.5px; font-weight:800; letter-spacing:.05em; text-transform:uppercase; color:var(--tg-theme-primary-500); margin-bottom:8px; }
.pub-card-body h3 { font-size:18px; font-weight:700; color:var(--tg-heading-color); margin:0 0 10px; line-height:1.4; }
.pub-authors { font-size:13.5px; color:var(--tg-theme-secondary-500); font-weight:600; margin-bottom:6px; }
.pub-cite { font-size:13px; font-style:italic; color:var(--tg-body-color); line-height:1.6; margin-bottom:14px; }
[data-bs-theme="dark"] .pub-cite { color:var(--oerl-text); }
.pub-meta { display:flex; align-items:center; gap:14px; font-size:12.5px; color:var(--tg-body-color); margin-top:auto; padding-top:12px; }
.pub-meta span { display:inline-flex; align-items:center; gap:5px; } .pub-meta i { width:14px; height:14px; }
.pub-actions { display:flex; gap:10px; padding:0 22px 22px; }
.pub-btn { flex:1; display:inline-flex; align-items:center; justify-content:center; gap:7px; font-size:13.5px; font-weight:700;
  padding:11px 12px; border-radius:10px; transition:all .2s ease; cursor:pointer; border:0; }
.pub-btn i { width:16px; height:16px; }
.pub-btn-dl { background:var(--tg-theme-primary-500); color:#fff; }
.pub-btn-dl:hover { background:var(--tg-theme-primary-600); color:#fff; }
.pub-btn-save { background:var(--oerl-surface-2); color:var(--tg-heading-color); border:1px solid var(--oerl-border-soft); flex:0 0 auto; padding:11px 15px; }
.pub-btn-save:hover { border-color:var(--tg-theme-secondary-500); color:var(--tg-theme-secondary-500); }
.pub-btn-save.saved { background:var(--tg-theme-secondary-500); color:#fff; border-color:var(--tg-theme-secondary-500); }

/* ---------- EMPTY ---------- */
.pub-empty { display:none; text-align:center; padding:70px 20px; }
.pub-empty.show { display:block; }
.pub-empty i { width:52px; height:52px; color:var(--tg-theme-primary-300); margin-bottom:16px; }
.pub-empty h3 { font-size:22px; font-weight:700; color:var(--tg-heading-color); margin:0 0 8px; }
.pub-empty p { font-size:15px; color:var(--tg-body-color); }

/* ---------- FLATPICKR THEME ---------- */
.flatpickr-calendar { background:var(--oerl-surface) !important; border:1px solid var(--oerl-border-soft) !important;
  box-shadow:0 20px 50px -20px rgba(20,24,60,.4) !important; }
[data-bs-theme="dark"] .flatpickr-calendar { box-shadow:0 20px 50px -16px rgba(0,0,0,.8) !important; }
.flatpickr-months, .flatpickr-weekdays, .flatpickr-weekday { background:transparent !important; color:var(--tg-heading-color) !important; }
.flatpickr-month, .flatpickr-current-month, .flatpickr-monthDropdown-months { color:var(--tg-heading-color) !important; fill:var(--tg-heading-color) !important; }
.flatpickr-weekday { color:var(--tg-body-color) !important; }
.flatpickr-day { color:var(--tg-heading-color) !important; }
.flatpickr-day:hover { background:var(--oerl-surface-2) !important; border-color:transparent !important; }
.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange { background:var(--tg-theme-primary-500) !important;
  border-color:var(--tg-theme-primary-500) !important; color:#fff !important; }
.flatpickr-day.inRange { background:rgba(63,163,215,.14) !important; border-color:transparent !important; box-shadow:none !important; }
.flatpickr-day.flatpickr-disabled, .flatpickr-day.prevMonthDay, .flatpickr-day.nextMonthDay { color:var(--tg-body-color) !important; opacity:.5; }
.flatpickr-months .flatpickr-prev-month:hover svg, .flatpickr-months .flatpickr-next-month:hover svg { fill:var(--tg-theme-primary-500) !important; }

/* ---------- RESPONSIVE ---------- */
@media (max-width:991px){
  .pub-hero{padding:66px 0;} .pub-hero h1{font-size:36px;}
  .pub-feat{grid-template-columns:1fr 1fr;} .pub-grid{grid-template-columns:1fr 1fr;}
  .pub-filters{grid-template-columns:1fr 1fr;}
}
@media (max-width:575px){
  .pub-hero h1{font-size:28px;} .pub-sec{padding:56px 0;}
  .pub-feat,.pub-grid{grid-template-columns:1fr;} .pub-filters{grid-template-columns:1fr;}
  .pub-hero-stats{gap:22px;}
}

/* ---------- POLISH (Phase G) ---------- */
/* Chips: keyboard focus ring + stronger dark contrast + active depth. */
.pub-chip:focus-visible { outline:2px solid var(--tg-theme-primary-500); outline-offset:2px; }
.pub-chip.active { box-shadow:0 8px 18px -8px rgba(63,163,215,.6); }
[data-bs-theme="dark"] .pub-chip { border-color:var(--oerl-border-strong); color:var(--oerl-text); }
[data-bs-theme="dark"] .pub-chip:hover { border-color:var(--tg-theme-primary-400); color:var(--tg-theme-primary-500); }

/* Cards: brand accent bar reveals on hover for a more engaging feel; cover
   graphic gets a subtle zoom. */
.pub-card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; z-index:3;
  background:linear-gradient(90deg,var(--tg-theme-primary-500),var(--tg-theme-secondary-500));
  opacity:0; transition:opacity .3s ease; }
.pub-card:hover::before { opacity:1; }
.pub-cover { overflow:hidden; }
.pub-cover .ct { transition:transform .35s ease; }
.pub-card:hover .pub-cover .ct { transform:scale(1.03); }

/* Featured cards: cover zoom on hover. */
.pub-feat-cover { overflow:hidden; transition:transform .3s ease; }
.pub-feat-card:hover .pub-feat-cover { transform:scale(1.05); }

/* Saved state: fill the bookmark glyph. */
.pub-btn-save.saved i { fill:currentColor; }

/* Mobile toolbar breathing room; keep chips on a tidy scroll row on phones. */
@media (max-width:575px){
  .pub-toolbar { padding:18px 16px; }
  .pub-chips { flex-wrap:nowrap; overflow-x:auto; padding-bottom:4px; -webkit-overflow-scrolling:touch; scrollbar-width:none; }
  .pub-chips::-webkit-scrollbar { display:none; }
  .pub-chip { flex:0 0 auto; }
}