/* =====================================================
   GLOSSARY PAGE — STYLESHEET
   College of Engineering Technology | Cybersecurity Dept.
   ===================================================== */

/* =====================================================
   HERO
   ===================================================== */
.gloss-hero {
  position: relative; overflow: hidden;
  padding: 90px 0 70px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,170,.14) 0%, transparent 70%);
}
.gloss-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.gh-shape {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .22;
}
.gh-shape.s1 { width: 380px; height: 380px; background: var(--accent);  top: -80px; left: -80px; }
.gh-shape.s2 { width: 300px; height: 300px; background: var(--accent2); bottom: -60px; right: -60px; }
.gh-shape.s3 { width: 180px; height: 180px; background: var(--accent3); top: 30%; right: 40%; }

.gloss-hero-content { position: relative; text-align: center; }

.gloss-hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,212,170,.1); border: 1px solid rgba(0,212,170,.3);
  color: var(--accent); padding: 6px 16px; border-radius: 100px;
  font-size: .82rem; font-weight: 600; margin-bottom: 24px;
}

.gloss-hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900; line-height: 1.2; margin-bottom: 16px;
  color: #fff;
}

.gloss-hero-desc {
  max-width: 520px; margin: 0 auto;
  color: var(--muted); font-size: 1rem; line-height: 1.7;
}

/* =====================================================
   SEARCH SECTION
   ===================================================== */
.gloss-search-section {
  padding: 32px 0 0;
  background: var(--bg);
}

.gloss-search-wrap {
  position: relative;
  max-width: 640px; margin: 0 auto;
  display: flex; align-items: center;
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.gloss-search-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,212,170,.12), 0 8px 32px rgba(0,0,0,.4);
}

.gloss-search-icon {
  padding: 0 16px; color: var(--muted);
  display: flex; align-items: center; flex-shrink: 0;
}
.gloss-search-icon svg { width: 22px; height: 22px; }

.gloss-search {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); font-family: var(--font);
  font-size: 1.1rem; font-weight: 500;
  padding: 16px 8px;
  direction: rtl;
}
.gloss-search::placeholder { color: var(--muted); font-weight: 400; }

.gloss-search-clear {
  background: transparent; border: none;
  color: var(--muted); padding: 0 16px;
  cursor: pointer; display: flex; align-items: center;
  transition: color .2s; flex-shrink: 0;
}
.gloss-search-clear:hover { color: var(--danger); }
.gloss-search-clear svg { width: 18px; height: 18px; }

/* =====================================================
   STATS BAR
   ===================================================== */
.gloss-stats-bar {
  padding: 20px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  margin-top: 24px;
}
.gloss-stats-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 0; flex-wrap: wrap;
}
.gloss-stat { text-align: center; padding: 0 36px; }
.gloss-stat-num {
  display: block; font-size: 1.5rem; font-weight: 800;
  color: var(--accent); line-height: 1; font-variant-numeric: tabular-nums;
}
.gloss-stat-label { font-size: .78rem; color: var(--muted); margin-top: 4px; display: block; }
.gloss-stat-divider { width: 1px; height: 36px; background: var(--border); }

/* =====================================================
   CATEGORY FILTER PILLS
   ===================================================== */
.gloss-filter-section {
  padding: 20px 0 4px;
  background: var(--bg);
}

.cat-pills {
  display: flex; flex-direction: row;
  gap: 8px; flex-wrap: nowrap;
  overflow-x: auto; padding-bottom: 8px;
  /* hide scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.cat-pills::-webkit-scrollbar { display: none; }

.cat-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); font-family: var(--font); font-size: .85rem;
  font-weight: 500; padding: 7px 16px; border-radius: 100px;
  cursor: pointer; white-space: nowrap; flex-shrink: 0;
  transition: all .2s;
}
.cat-pill:hover {
  border-color: var(--accent); color: var(--text);
  background: rgba(0,212,170,.06);
}
.cat-pill.active {
  background: rgba(0,212,170,.15); border-color: var(--accent);
  color: var(--accent); font-weight: 600;
}

.pill-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}

/* =====================================================
   ALPHA QUICK NAV
   ===================================================== */
.alpha-nav-section {
  padding: 16px 0 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.alpha-nav {
  display: flex; flex-direction: row;
  gap: 4px; flex-wrap: wrap;
  justify-content: flex-start;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}
.alpha-nav::-webkit-scrollbar { display: none; }

.alpha-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; flex-shrink: 0;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); font-family: var(--font); font-size: .82rem;
  font-weight: 600; border-radius: 8px;
  cursor: pointer; transition: all .18s;
}
.alpha-btn:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(0,212,170,.08);
}
.alpha-btn.active {
  background: var(--accent); border-color: var(--accent);
  color: #0a0f1e; font-weight: 700;
}
.alpha-btn[data-letter="الكل"] {
  width: auto; padding: 0 12px; font-size: .78rem;
}

/* =====================================================
   RESULTS BAR
   ===================================================== */
.gloss-results-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0 16px; gap: 12px;
}

.gloss-count {
  font-size: .88rem; color: var(--muted); font-weight: 500;
}
.gloss-count strong { color: var(--accent); }

.gloss-reset-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); font-family: var(--font); font-size: .82rem;
  padding: 6px 14px; border-radius: 8px; cursor: pointer;
  transition: all .2s;
}
.gloss-reset-btn svg { width: 14px; height: 14px; }
.gloss-reset-btn:hover { border-color: var(--accent); color: var(--accent); }

/* =====================================================
   MAIN CONTENT AREA
   ===================================================== */
.gloss-main { padding: 0 0 80px; background: var(--bg); }

/* =====================================================
   TERMS GRID
   ===================================================== */
.gloss-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

/* =====================================================
   TERM CARD
   ===================================================== */
.term-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  transition: border-color .22s, transform .22s, box-shadow .22s;
  position: relative; overflow: hidden;
}
.term-card::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 3px; height: 100%;
  background: var(--cat-color, var(--accent));
  opacity: 0; transition: opacity .22s;
}
.term-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,.4), 0 0 0 1px rgba(0,212,170,.1);
}
.term-card:hover::before { opacity: 1; }

.term-card-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 12px;
  margin-bottom: 12px;
}

.term-titles { flex: 1; min-width: 0; }

.term-en {
  font-size: 1.15rem; font-weight: 700;
  color: var(--accent); line-height: 1.3;
  margin-bottom: 4px; direction: ltr; text-align: right;
  word-break: break-word;
}
.term-ar {
  font-size: .97rem; font-weight: 600;
  color: var(--text); line-height: 1.4;
}

.term-category {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .72rem; font-weight: 600; padding: 3px 10px;
  border-radius: 100px; white-space: nowrap; flex-shrink: 0;
  margin-top: 2px;
  background: var(--cat-bg); color: var(--cat-color);
  border: 1px solid var(--cat-border);
}

/* Category color variables set inline via JS */
.cat-color-تشفير      { --cat-color:#00d4aa; --cat-bg:rgba(0,212,170,.12);  --cat-border:rgba(0,212,170,.25); }
.cat-color-هجمات      { --cat-color:#ef4444; --cat-bg:rgba(239,68,68,.12);   --cat-border:rgba(239,68,68,.25); }
.cat-color-حماية      { --cat-color:#22c55e; --cat-bg:rgba(34,197,94,.12);   --cat-border:rgba(34,197,94,.25); }
.cat-color-شبكات      { --cat-color:#7c3aed; --cat-bg:rgba(124,58,237,.12);  --cat-border:rgba(124,58,237,.25); }
.cat-color-برمجيات-خبيثة { --cat-color:#f97316; --cat-bg:rgba(249,115,22,.12); --cat-border:rgba(249,115,22,.25); }
.cat-color-بروتوكولات { --cat-color:#f59e0b; --cat-bg:rgba(245,158,11,.12);  --cat-border:rgba(245,158,11,.25); }
.cat-color-مصادقة     { --cat-color:#3b82f6; --cat-bg:rgba(59,130,246,.12);  --cat-border:rgba(59,130,246,.25); }

.term-def {
  color: var(--muted); font-size: .9rem;
  line-height: 1.75; margin-bottom: 0;
}

.term-example {
  margin-top: 14px;
  background: var(--bg3);
  border-right: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  font-size: .82rem; font-style: italic;
  color: rgba(226,232,240,.65);
  line-height: 1.65;
}
.term-example strong {
  font-style: normal; color: var(--accent3); font-weight: 600;
}

.term-related {
  margin-top: 12px;
  font-size: .8rem; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.term-related-label {
  color: var(--muted); white-space: nowrap;
}
.term-related-link {
  color: var(--accent); text-decoration: none;
  background: rgba(0,212,170,.08); border: 1px solid rgba(0,212,170,.2);
  padding: 2px 8px; border-radius: 6px; font-size: .78rem;
  transition: all .18s; cursor: pointer;
}
.term-related-link:hover {
  background: rgba(0,212,170,.18); border-color: var(--accent);
}

/* =====================================================
   SEARCH HIGHLIGHT
   ===================================================== */
mark.highlight {
  background: rgba(0,212,170,.28);
  color: var(--accent); border-radius: 3px;
  padding: 0 2px; font-weight: 600;
}

/* =====================================================
   NO RESULTS
   ===================================================== */
.gloss-empty {
  text-align: center; padding: 80px 20px;
}
.gloss-empty-icon {
  width: 72px; height: 72px; margin: 0 auto 24px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
}
.gloss-empty-icon svg { width: 32px; height: 32px; }
.gloss-empty h3 { font-size: 1.3rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.gloss-empty p { color: var(--muted); font-size: .9rem; margin-bottom: 24px; }
.gloss-empty p span { color: var(--accent3); font-weight: 600; }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 860px) {
  .gloss-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .gloss-hero { padding: 60px 0 48px; }
  .gloss-hero-title { font-size: 2rem; }
  .gloss-search { font-size: .95rem; }
  .gloss-stats-inner { gap: 0; }
  .gloss-stat { padding: 0 20px; }
  .gloss-stat-num { font-size: 1.25rem; }
  .term-card { padding: 18px; }
  .term-en { font-size: 1rem; }
  .alpha-nav { gap: 3px; }
  .alpha-btn { width: 30px; height: 30px; font-size: .75rem; }
}

@media (max-width: 480px) {
  .gloss-stat-divider { display: none; }
  .gloss-stats-inner { gap: 16px; }
}