/* ============================================================
   AL-HARAM SECURITY ENGLISH — ACADEMIC DESIGN SYSTEM
   Navy-blue institutional theme matching training slides.
   ============================================================ */

:root {
  /* === NAVY-BLUE ACADEMIC PALETTE === */
  --navy-deepest: #061533;
  --navy-deep:    #0a2247;
  --navy:         #102a5c;       /* primary brand */
  --navy-mid:     #1a3a78;
  --navy-light:   #2b4d9b;
  --blue:         #3a64bc;
  --blue-soft:    #5d82cc;
  --blue-pale:    #e8eef9;

  /* Neutrals — institutional whites & grays */
  --white:        #ffffff;
  --paper:        #fafbfd;
  --surface:      #ffffff;
  --surface-alt:  #f4f6fb;
  --line:         #d9dfeb;
  --line-soft:    #ebeef5;

  /* Text */
  --ink:          #0c1a36;
  --ink-soft:     #2c3a55;
  --muted:        #5a6584;
  --muted-strong: #3d4866;

  /* Functional accents (used sparingly) */
  --gold:         #b08739;       /* discreet accent rule only */
  --red:          #8a1c1c;
  --red-soft:     #f4e0e0;
  --green:        #1f5e3a;
  --green-soft:   #e0ecdf;

  /* === TYPOGRAPHY === */
  --font-serif:   'Lora', 'Source Serif Pro', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-ar:      'Noto Naskh Arabic', 'Amiri', 'Cairo', 'Tahoma', serif;
  --font-mono:    'JetBrains Mono', Consolas, monospace;

  /* === LAYOUT === */
  --r-sm: 4px;
  --r:    6px;
  --r-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(10, 34, 71, .06);
  --shadow:    0 2px 8px rgba(10, 34, 71, .08), 0 1px 3px rgba(10, 34, 71, .05);
  --shadow-lg: 0 6px 24px rgba(10, 34, 71, .12);
  --container: 1180px;
  --nav-h: 72px;
}

[dir="rtl"] { font-family: var(--font-ar); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
a { color: var(--navy-light); text-decoration: none; }
a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   NAVBAR — Institutional
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(10,34,71,.04);
}
.nav-top-strip {
  background: var(--navy-deepest);
  color: rgba(255,255,255,.7);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 20px;
  text-align: center;
}
.nav-top-strip strong { color: #fff; letter-spacing: .12em; }
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: var(--nav-h);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
  color: var(--navy-deep);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 44px; height: 44px;
  border: 1.5px solid var(--navy);
  background: var(--navy);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.03em;
}
.brand-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.15;
  color: var(--navy-deep);
}
.brand-title small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex; gap: 2px;
  margin-inline-start: auto;
  align-items: center;
}
.nav-link {
  padding: 9px 14px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s, border-color .15s;
}
.nav-link:hover {
  color: var(--navy);
  border-bottom-color: var(--blue-soft);
  text-decoration: none;
}
.nav-link.active {
  color: var(--navy-deep);
  border-bottom-color: var(--navy);
  font-weight: 600;
}
.nav-link.duty {
  background: var(--navy-deep);
  color: #fff;
  border: 0;
  margin-inline-start: 8px;
  padding: 9px 16px;
  border-radius: var(--r-sm);
  font-weight: 600;
}
.nav-link.duty:hover { background: var(--navy); color: #fff; }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .04em;
  margin-inline-start: 8px;
}
.lang-toggle:hover { border-color: var(--navy); color: var(--navy); }

.menu-btn {
  display: none;
  background: none; border: 1px solid var(--line);
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border-radius: var(--r-sm);
}
.menu-btn span { width: 18px; height: 2px; background: var(--navy); position: relative; }
.menu-btn span::before, .menu-btn span::after { content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: var(--navy); }
.menu-btn span::before { top: -6px; }
.menu-btn span::after { top: 6px; }

@media (max-width: 980px) {
  .nav-links {
    position: fixed; top: var(--nav-h); inset-inline: 0;
    flex-direction: column; align-items: stretch;
    background: var(--white); padding: 14px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-110%); transition: transform .25s;
    box-shadow: var(--shadow);
    gap: 4px;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 12px 14px; border: 0; border-inline-start: 3px solid transparent; }
  .nav-link.active { border-inline-start-color: var(--navy); }
  .menu-btn { display: flex; }
}

/* ============================================================
   CONTAINERS
   ============================================================ */
.wrap { max-width: var(--container); margin: 0 auto; padding: 40px 24px; }
.wrap-narrow { max-width: 920px; margin: 0 auto; padding: 40px 24px; }

/* ============================================================
   HERO — Institutional, restrained
   ============================================================ */
.hero {
  position: relative;
  background: var(--navy-deep);
  color: var(--white);
  padding: 72px 24px 84px;
  border-bottom: 4px solid var(--gold);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(10,34,71,1) 0%, rgba(16,42,92,.94) 60%, rgba(26,58,120,.88) 100%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.015) 0 2px, transparent 2px 12px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.92);
  margin-bottom: 24px;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}
.hero h1 .accent {
  display: block;
  font-style: italic;
  font-weight: 500;
  color: rgba(255,255,255,.85);
}
.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  opacity: .88;
  max-width: 58ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }

/* ============================================================
   BUTTONS — Institutional
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 22px;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--white); color: var(--navy-deep); border-color: var(--white); }
.btn-primary:hover { background: var(--paper); color: var(--navy-deep); }
.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); color: var(--white); border-color: rgba(255,255,255,.7); }
.btn-solid { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-solid:hover { background: var(--navy-deep); color: var(--white); border-color: var(--navy-deep); }
.btn-soft { background: var(--surface-alt); color: var(--navy-deep); border-color: var(--line); }
.btn-soft:hover { background: var(--blue-pale); color: var(--navy-deep); border-color: var(--blue-soft); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-red { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-red:hover { background: #6b1414; border-color: #6b1414; color: var(--white); }

.hero-art {
  display: grid;
  place-items: center;
  position: relative;
}
.hero-seal {
  width: 240px; height: 240px;
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 50%;
  display: grid; place-items: center;
  position: relative;
}
.hero-seal::before {
  content: '';
  position: absolute; inset: 14px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
}
.hero-seal svg { width: 130px; height: 130px; opacity: .95; }

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding: 56px 24px 64px; }
  .hero-seal { width: 180px; height: 180px; }
  .hero-seal svg { width: 100px; height: 100px; }
}

/* ============================================================
   SECTION HEADERS — Academic
   ============================================================ */
.sec-head {
  text-align: center;
  margin: 8px 0 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.sec-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid var(--gold);
}
.sec-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.2vw, 38px);
  margin: 0 0 12px;
  color: var(--navy-deep);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.sec-sub {
  color: var(--muted-strong);
  max-width: 64ch;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.65;
}

/* ============================================================
   LESSON CARDS GRID
   ============================================================ */
.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.lesson-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent, var(--navy));
  border-radius: var(--r);
  padding: 28px 26px 24px;
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: box-shadow .18s, transform .18s, border-color .18s;
  position: relative;
  color: var(--ink);
}
.lesson-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  text-decoration: none;
}
.lesson-card.flagship {
  background: var(--surface);
  border-color: var(--line);
  border-top: 4px solid var(--gold);
}
.lc-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.lc-icon {
  width: 52px; height: 52px;
  border: 1.5px solid var(--accent, var(--navy));
  background: var(--blue-pale);
  color: var(--navy-deep);
  display: grid; place-items: center;
  font-size: 22px;
  margin: 14px 0 18px;
  border-radius: var(--r-sm);
}
.lc-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--navy-deep);
  margin: 0 0 8px;
  line-height: 1.2;
}
.lc-desc {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 0 18px;
  min-height: 50px;
  flex-grow: 1;
}

.lc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.lc-tag {
  font-size: 11px;
  padding: 3px 9px;
  background: var(--surface-alt);
  color: var(--navy-deep);
  border: 1px solid var(--line);
  border-radius: 2px;
  font-weight: 500;
}

.lc-progress { margin-bottom: 18px; }
.lc-progress-bar {
  height: 4px;
  background: var(--line-soft);
  border-radius: 0;
  overflow: hidden;
}
.lc-progress-fill {
  height: 100%;
  background: var(--navy);
  transition: width .4s;
}
.lc-progress-meta {
  display: flex; justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 500;
  letter-spacing: .03em;
}

.lc-cta {
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--r-sm);
  background: var(--navy-deep);
  color: var(--white);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .03em;
  border: 0;
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  transition: background .15s;
}
.lc-cta:hover { background: var(--navy); color: var(--white); text-decoration: none; }
.lesson-card.flagship .lc-cta { background: var(--navy); }
.lesson-card.flagship .lc-cta:hover { background: var(--navy-deep); }

.flagship-badge {
  position: absolute; top: 14px; inset-inline-end: 14px;
  font-size: 9px;
  font-weight: 700;
  background: var(--gold);
  color: var(--white);
  padding: 3px 8px;
  letter-spacing: .12em;
  border-radius: 2px;
}

/* ============================================================
   STAT / DASHBOARD CARDS
   ============================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: var(--r);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  color: var(--navy-deep);
  line-height: 1;
  letter-spacing: -0.01em;
}
.stat-label {
  font-size: 13px;
  color: var(--muted-strong);
  margin-top: 8px;
  font-weight: 500;
}
.stat-icon {
  width: 38px; height: 38px;
  border: 1px solid var(--navy);
  background: var(--blue-pale);
  color: var(--navy-deep);
  display: grid; place-items: center;
  margin-bottom: 14px;
  font-size: 18px;
  border-radius: 2px;
}

/* ============================================================
   PHRASE CARDS
   ============================================================ */
.phrase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}
.phrase-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--navy);
  border-radius: var(--r-sm);
  padding: 18px 20px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s, border-color .15s;
}
.phrase-card:hover {
  border-inline-start-color: var(--navy-deep);
  box-shadow: var(--shadow);
}
.phrase-card .pc-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.phrase-card .pc-en {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--navy-deep);
  line-height: 1.35;
  margin: 0 0 4px;
}
.phrase-card .pc-phon {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  font-style: normal;
  margin: 0 0 12px;
  letter-spacing: 0;
}
.phrase-card .pc-ar {
  font-family: var(--font-ar);
  font-size: 18px;
  color: var(--ink);
  direction: rtl;
  text-align: right;
  margin: 0 0 12px;
  line-height: 1.6;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}
.phrase-card .pc-note {
  font-size: 12px;
  color: var(--muted-strong);
  margin: 0 0 14px;
  line-height: 1.55;
}
.phrase-card .pc-actions {
  margin-top: auto;
  display: flex; flex-wrap: wrap; gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}
.icon-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 10px;
  border-radius: 2px;
  background: var(--surface-alt);
  color: var(--navy-deep);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  border: 1px solid var(--line);
  transition: background .15s, color .15s, border-color .15s;
}
.icon-btn:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.icon-btn.audio-en { background: var(--blue-pale); color: var(--navy-deep); border-color: var(--blue-soft); }
.icon-btn.audio-en:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }
.icon-btn.audio-ar { background: var(--surface-alt); color: var(--navy-deep); border-color: var(--line); }
.icon-btn.audio-ar:hover { background: var(--navy-deep); color: var(--white); border-color: var(--navy-deep); }
.icon-btn.fav.active { background: var(--gold); color: var(--white); border-color: var(--gold); }
.icon-btn.playing { animation: pulse 1.2s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,42,92,.4); }
  50% { box-shadow: 0 0 0 6px rgba(16,42,92,0); }
}

/* ============================================================
   LESSON HEADER
   ============================================================ */
.lesson-hero {
  background: var(--navy-deep);
  color: var(--white);
  padding: 60px 24px 48px;
  border-bottom: 3px solid var(--gold);
  position: relative;
}
.lesson-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(120deg, rgba(10,34,71,1), rgba(16,42,92,.95)),
    repeating-linear-gradient(135deg, rgba(255,255,255,.015) 0 2px, transparent 2px 12px);
  pointer-events: none;
}
.lesson-hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
}
.lesson-num-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid rgba(255,255,255,.4);
  padding: 6px 14px;
  margin-bottom: 18px;
}
.lesson-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.8vw, 44px);
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: -0.005em;
}
.lesson-tag {
  font-size: 16px;
  opacity: .88;
  max-width: 62ch;
  line-height: 1.6;
}

.lesson-jump {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin: 28px 0 -8px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.jump-btn {
  background: transparent;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.25);
  padding: 7px 13px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
  border-radius: var(--r-sm);
  transition: background .15s, border-color .15s;
}
.jump-btn:hover { background: rgba(255,255,255,.1); color: var(--white); border-color: rgba(255,255,255,.5); text-decoration: none; }

/* ============================================================
   SECTION
   ============================================================ */
.section {
  scroll-margin-top: calc(var(--nav-h) + 20px);
  margin: 64px 0;
}
.section-head {
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy);
  position: relative;
}
.section-head::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 50px;
  height: 2px;
  background: var(--gold);
}
[dir="rtl"] .section-head::after { left: auto; right: 0; }
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  color: var(--navy-deep);
  margin: 0;
  display: flex; align-items: center; gap: 12px;
  letter-spacing: -0.005em;
}
.section-head h2 .num {
  font-family: var(--font-sans);
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  background: var(--navy);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 2px;
}
.section-head p {
  color: var(--muted-strong);
  margin: 8px 0 0;
  font-size: 14px;
}

/* ============================================================
   OBJECTIVES
   ============================================================ */
.obj-list {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.obj-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--navy);
  border-radius: var(--r-sm);
  padding: 16px 18px;
  display: flex; gap: 14px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}
.obj-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--navy-deep);
  color: var(--white);
  display: grid; place-items: center;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  border-radius: 2px;
}

/* ============================================================
   PDF VIEWER — Original training presentation
   ============================================================ */
.pdf-viewer {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.pdf-viewer-toolbar {
  background: var(--navy-deep);
  color: var(--white);
  padding: 12px 18px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.pdf-viewer-toolbar .pdf-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
}
.pdf-viewer-toolbar .pdf-title small {
  font-family: var(--font-sans);
  display: block;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  font-weight: 500;
  margin-bottom: 3px;
}
.pdf-viewer-toolbar .pdf-actions { display: flex; gap: 8px; }
.pdf-viewer-toolbar a, .pdf-viewer-toolbar button {
  background: transparent;
  color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.35);
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  border-radius: 2px;
  transition: background .15s;
  cursor: pointer;
}
.pdf-viewer-toolbar a:hover, .pdf-viewer-toolbar button:hover {
  background: rgba(255,255,255,.1);
  color: var(--white);
  text-decoration: none;
}
.pdf-frame {
  width: 100%;
  height: 720px;
  border: 0;
  display: block;
  background: var(--surface-alt);
}
.pdf-frame.fullscreen {
  position: fixed; inset: 0; height: 100vh; z-index: 200;
}
@media (max-width: 700px) {
  .pdf-frame { height: 520px; }
}

/* ============================================================
   DIALOGUES
   ============================================================ */
.dialogues {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}
.dialogue {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.dlg-head {
  padding: 16px 20px;
  background: var(--navy-deep);
  color: var(--white);
  border-bottom: 2px solid var(--gold);
}
.dlg-head h4 {
  font-family: var(--font-serif);
  margin: 0 0 4px;
  font-size: 18px;
  font-weight: 600;
}
.dlg-scene {
  font-size: 12px;
  opacity: .85;
  font-style: italic;
}
.dlg-actions {
  padding: 10px 16px;
  display: flex; flex-wrap: wrap; gap: 6px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-alt);
}
.dlg-actions .icon-btn { font-size: 11px; padding: 6px 10px; }
.dlg-body { padding: 16px; display: grid; gap: 10px; }
.dlg-line {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--navy);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 12px;
  align-items: center;
}
.dlg-line.spk-visitor, .dlg-line.spk-pilgrim, .dlg-line.spk-parent, .dlg-line.spk-child {
  border-inline-start-color: var(--gold);
}
.dlg-spk {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--navy-deep);
  background: var(--white);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 2px;
  text-align: center;
}
.dlg-text {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
}
.dlg-text .ar {
  font-family: var(--font-ar);
  direction: rtl;
  display: block;
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 4px;
}
.dlg-mini {
  background: var(--white);
  border: 1px solid var(--line);
  width: 32px; height: 32px;
  border-radius: 2px;
  color: var(--navy);
  display: grid; place-items: center;
  transition: background .15s, color .15s;
  cursor: pointer;
}
.dlg-mini:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* ============================================================
   EXERCISES
   ============================================================ */
.exercise {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px 28px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.ex-type {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--navy);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}
.ex-title {
  font-family: var(--font-serif);
  font-size: 21px;
  color: var(--navy-deep);
  margin: 0 0 18px;
  font-weight: 600;
}
.ex-q {
  font-size: 15px;
  margin: 0 0 14px;
  color: var(--ink);
  line-height: 1.6;
}
.ex-q pre {
  font: inherit;
  white-space: pre-wrap;
  margin: 0;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  padding: 14px;
  border-radius: var(--r-sm);
  line-height: 1.6;
}

.ex-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  font: inherit;
  background: var(--white);
  color: var(--ink);
  transition: border-color .15s;
}
.ex-input:focus { outline: 0; border-color: var(--navy); }

.ex-options { display: grid; gap: 8px; margin-bottom: 14px; }
.ex-opt {
  display: block;
  padding: 12px 16px;
  background: var(--surface-alt);
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 14px;
  transition: border-color .15s, background .15s;
}
.ex-opt:hover { border-color: var(--navy); background: var(--white); }
.ex-opt input { margin-inline-end: 10px; accent-color: var(--navy); }
.ex-opt.correct { background: var(--green-soft); border-color: var(--green); }
.ex-opt.wrong { background: var(--red-soft); border-color: var(--red); }

.ex-match { display: grid; gap: 10px; }
.ex-match-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: center; }
.ex-match-row > div {
  padding: 12px 16px;
  background: var(--surface-alt);
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 14px;
}
.ex-match-row .arrow { background: none; border: 0; color: var(--navy); font-size: 18px; text-align: center; padding: 0; }
.ex-match-row.shown > div:first-child { background: var(--blue-pale); border-color: var(--navy); }
.ex-match-row.shown > div:last-child { background: var(--green-soft); border-color: var(--green); }
.ex-match-row .ar { font-family: var(--font-ar); direction: rtl; }

.ex-cat {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 14px;
}
.ex-cat-col {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 14px;
  min-height: 90px;
}
.ex-cat-col h5 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--navy-deep);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.ex-cat-col .item {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 7px 11px;
  border-radius: 2px;
  font-size: 13px;
  margin-bottom: 5px;
}

.ex-feedback {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  background: var(--blue-pale);
  border: 1px solid var(--blue-soft);
  border-inline-start: 3px solid var(--navy);
  display: none;
}
.ex-feedback.shown { display: block; animation: fadeIn .25s; }
.ex-feedback strong {
  color: var(--navy-deep);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
}
.ex-feedback .answer {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--navy-deep);
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
}
.ex-feedback .explain {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.ex-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* Role-play */
.rp-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  border-radius: var(--r);
  padding: 26px;
}
.rp-prompt {
  padding: 16px 18px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--gold);
  border-radius: var(--r-sm);
  margin-bottom: 18px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}
.rp-prompt strong { color: var(--navy-deep); }
.rp-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.rp-model { display: none; }
.rp-model.shown { display: block; animation: fadeIn .25s; }
.rp-model h5 {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--navy-deep);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

/* ============================================================
   REVIEW TOOLKIT
   ============================================================ */
.review-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
}
.review-phrases {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.review-phrases h4 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--navy-deep);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--navy);
}
.review-phrase {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-inline-start: 3px solid var(--navy);
  border-radius: var(--r-sm);
  margin-bottom: 8px;
}
.review-phrase .text { flex: 1; font-family: var(--font-serif); font-weight: 600; color: var(--navy-deep); font-size: 16px; }
.review-phrase .text .ar {
  display: block;
  font-family: var(--font-ar);
  direction: rtl;
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 4px;
}

.review-tips {
  background: var(--navy-deep);
  color: var(--white);
  border-radius: var(--r);
  padding: 28px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
}
.review-tips h4 {
  font-family: var(--font-serif);
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.review-tips ul { padding: 0; margin: 0; list-style: none; }
.review-tips li {
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  position: relative;
  font-size: 14px;
  line-height: 1.55;
}
.review-tips li:last-child { border-bottom: 0; }
.review-tips li::before {
  content: '';
  position: absolute; inset-inline-start: 0; top: 18px;
  width: 12px; height: 1px;
  background: var(--gold);
}

@media (max-width: 800px) { .review-grid { grid-template-columns: 1fr; } }

/* ============================================================
   SEARCH
   ============================================================ */
.search-bar {
  max-width: 720px; margin: 0 auto;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow);
  display: flex; align-items: center;
  padding: 4px 4px 4px 18px;
  transition: border-color .15s;
}
.search-bar:focus-within { border-color: var(--navy); }
.search-bar input {
  flex: 1; border: 0; outline: 0;
  background: none; font: inherit;
  font-size: 16px;
  padding: 12px 8px;
  color: var(--ink);
}
.search-bar input::placeholder { color: var(--muted); }
.search-bar .search-icon { color: var(--muted); margin-inline-end: 8px; }
.search-bar button {
  background: var(--navy-deep);
  color: var(--white);
  border: 0;
  padding: 11px 20px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
}
.search-bar button:hover { background: var(--navy); }

.search-chips { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 18px; }
.chip {
  font-size: 12px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.35);
  color: rgba(255,255,255,.92);
  border-radius: 2px;
  cursor: pointer;
  letter-spacing: .03em;
  font-weight: 500;
  transition: all .15s;
}
.chip:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.7); }

/* ============================================================
   DUTY MODE
   ============================================================ */
.duty-shell {
  min-height: 100vh;
  background: var(--navy-deepest);
  color: var(--white);
}
.duty-header {
  padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 2px solid var(--gold);
  position: sticky; top: 0; z-index: 10;
  background: var(--navy-deep);
  backdrop-filter: blur(10px);
}
.duty-header h1 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 0;
  font-weight: 600;
  display: flex; align-items: center; gap: 12px;
}
.duty-header h1 small {
  font-family: var(--font-sans);
  display: block;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.65);
  font-weight: 600;
  margin-bottom: 2px;
}
.duty-header .live-dot {
  width: 9px; height: 9px;
  background: var(--gold);
  border-radius: 50%;
  animation: livePulse 1.8s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.15); }
}
.duty-exit {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.35);
  padding: 8px 16px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .06em;
}
.duty-exit:hover { background: rgba(255,255,255,.1); }

.duty-tabs {
  display: flex; gap: 4px; overflow-x: auto;
  padding: 14px 16px;
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(255,255,255,.08);
  scrollbar-width: thin;
}
.duty-tab {
  flex-shrink: 0;
  background: transparent;
  color: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.25);
  padding: 11px 20px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  display: inline-flex; align-items: center; gap: 8px;
}
.duty-tab.active {
  background: var(--white);
  color: var(--navy-deep);
  border-color: var(--white);
}
.duty-tab .tab-ico { font-size: 16px; }

.duty-phrases {
  padding: 24px 16px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 800px; margin: 0 auto;
}
.duty-phrase {
  background: var(--white);
  color: var(--navy-deep);
  border-radius: var(--r-sm);
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  cursor: pointer;
  transition: transform .12s, box-shadow .15s;
  position: relative;
  overflow: hidden;
  user-select: none;
  border-inline-start: 4px solid var(--accent, var(--navy));
}
.duty-phrase:active { transform: scale(.985); }
.duty-phrase .text { display: block; }
.duty-phrase .en {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--navy-deep);
  line-height: 1.3;
}
.duty-phrase .ar {
  font-family: var(--font-ar);
  direction: rtl;
  font-size: 16px;
  color: var(--ink-soft);
  margin-top: 6px;
  line-height: 1.5;
}
.duty-phrase .duty-btn {
  width: 50px; height: 50px;
  border-radius: 2px;
  background: var(--surface-alt);
  color: var(--navy-deep);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  font-size: 18px;
  font-weight: 600;
}
.duty-phrase .duty-btn.en-play { background: var(--navy); color: var(--white); border-color: var(--navy); }
.duty-phrase .duty-btn.ar-play { background: var(--navy-deep); color: var(--white); border-color: var(--navy-deep); }

@media (max-width: 480px) {
  .duty-phrase { grid-template-columns: 1fr auto; }
  .duty-phrase .ar-play { display: none; }
}

/* ============================================================
   FAVORITES / EMPTY STATES
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--muted);
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: var(--r);
}
.empty-state .icon {
  font-family: var(--font-serif);
  font-size: 48px;
  color: var(--blue-soft);
  margin-bottom: 14px;
  font-weight: 600;
}
.empty-state h3 { font-family: var(--font-serif); color: var(--navy-deep); font-weight: 600; margin: 0 0 8px; }

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  background: var(--navy-deepest);
  color: rgba(255,255,255,.8);
  padding: 48px 24px 28px;
  margin-top: 64px;
  border-top: 3px solid var(--gold);
}
.foot-inner {
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.foot-motto {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 12px;
  font-weight: 500;
}
.foot p { margin: 8px 0; font-size: 13px; line-height: 1.6; }
.foot .vision {
  font-size: 11px;
  opacity: .7;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.1);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.foot a { color: rgba(255,255,255,.92); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   PRACTICE MODE / TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%; transform: translateX(-50%);
  background: var(--navy-deep);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 2px;
  border-inline-start: 3px solid var(--gold);
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  font-weight: 500;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.toast.shown { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ============================================================
   ACADEMIC ACCENT — Vision strip
   ============================================================ */
.purpose-block {
  background: var(--navy-deep);
  color: var(--white);
  border-radius: var(--r);
  padding: 52px 40px;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--gold);
}
.purpose-block .eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1.5px solid var(--gold);
  display: inline-block;
}
.purpose-block h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  margin: 0 0 18px;
  line-height: 1.2;
}
.purpose-block p {
  opacity: .9;
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 12px;
}
.purpose-block .card-inset {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-sm);
  padding: 24px;
}
.purpose-block .card-inset h4 {
  font-family: var(--font-serif);
  color: var(--white);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.purpose-block .card-inset ul { margin: 0; padding: 0; list-style: none; }
.purpose-block .card-inset li {
  padding: 9px 0 9px 22px;
  position: relative;
  font-size: 14px;
  line-height: 1.55;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.purpose-block .card-inset li:last-child { border-bottom: 0; }
.purpose-block .card-inset li::before {
  content: '';
  position: absolute; inset-inline-start: 0; top: 18px;
  width: 10px; height: 1px;
  background: var(--gold);
}

/* ============================================================
   UTIL
   ============================================================ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--muted); }
.hide { display: none !important; }
.divider {
  height: 1px;
  background: var(--line);
  margin: 36px 0;
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .nav, .pdf-viewer-toolbar, .icon-btn, .dlg-actions, .rp-controls, .ex-actions, .foot, .lc-cta { display: none !important; }
}