/* =========================================================
   Research Question Formulation and Refinement
   صياغة وتنقيح أسئلة البحث
   Shared stylesheet for the Arabic (RTL) and English (LTR) versions.
   Logical properties (inline-start/end) keep one file valid for both.
   Academic tool developed by Dr. Merfat Alardawi | د. مرفت العرضاوي
   ========================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  --green: #1F6F6B;          /* primary */
  --green-dark: #154E4B;
  --green-deep: #0F4542;
  --green-ink: #0B2A28;
  --green-tint: #E5F0EE;
  --green-tint-2: #F2F8F6;
  --gold: #C9A45C;
  --gold-light: #E7CC90;
  --gold-text: #7A5C22;
  --bg: #F3F6F5;
  --band: #E3EDEA;
  --paper: #FFFFFF;
  --ink: #1A2524;
  --muted: #3F4C4A;
  --muted-2: #55625F;
  --border: #CADCD7;
  --border-strong: #A9C4BE;
  --ok: #1F6F6B;    --ok-bg: #E5F0EE;
  --warn: #8A5A00;  --warn-bg: #FFF4DE;
  --bad: #A3322A;   --bad-bg: #FBE9E7;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(11,42,40,.05), 0 8px 24px rgba(11,42,40,.06);
  --font-body: 'IBM Plex Sans Arabic', 'Segoe UI', Tahoma, system-ui, sans-serif;
  --font-display: 'Amiri', 'Times New Roman', serif;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.8; }
[lang="en"] body, body[lang="en"] { line-height: 1.7; }
h1, h2, h3, h4, p { margin: 0; }
a { color: var(--green); }
a:hover { color: var(--green-dark); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
.container { max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

.skip-link { position: absolute; inset-inline-start: 16px; top: -64px; z-index: 200; background: var(--gold); color: var(--green-ink); padding: 10px 18px; border-radius: 0 0 12px 12px; font-weight: 700; text-decoration: none; transition: top .15s; }
.skip-link:focus { top: 0; color: var(--green-ink); }

/* ---------- 3. Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(15,69,66,.97); color: #F4F1E8; border-bottom: 1px solid rgba(201,164,92,.35); backdrop-filter: blur(6px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; padding-block: 10px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: #F4F1E8; text-decoration: none; min-width: 0; }
.brand:hover { color: #fff; }
.brand svg { flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.brand-title { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.brand-sub { font-size: 12px; color: #CFC6B2; }
.header-actions { display: flex; align-items: center; gap: 8px 14px; flex-wrap: wrap; }
.main-nav { display: flex; flex-wrap: wrap; gap: 2px 14px; font-size: 14.5px; }
.main-nav a { color: #E9E2D1; text-decoration: none; padding: 8px 2px; border-bottom: 2px solid transparent; }
.main-nav a:hover { color: var(--gold-light); border-bottom-color: rgba(201,164,92,.6); }
.lang-switch { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid rgba(201,164,92,.75); border-radius: 999px; color: var(--gold-light); text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
.lang-switch:hover { background: rgba(201,164,92,.16); color: #fff; }

/* ---------- 4. Hero ----------
   The image keeps its 1672×941 proportions. On wide screens the hero takes
   the same aspect ratio, so the picture is shown whole; text sits in the
   empty left side. On narrower screens the image is shown below the text. */
.hero { position: relative; background: #0D4F4C; color: #F4F1E8; overflow: hidden; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: right center; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,48,46,.82) 0%, rgba(8,48,46,.55) 34%, rgba(8,48,46,0) 58%); }
.hero-inner { position: relative; min-height: min(calc(100vw * 941 / 1672), 860px); display: flex; align-items: center; padding-block: 72px; }
.hero-content { max-width: 560px; display: flex; flex-direction: column; gap: 20px; margin-inline-end: auto; }
[dir="rtl"] .hero-content { margin-inline-end: 0; margin-inline-start: auto; }
[dir="rtl"] .hero-inner { justify-content: flex-end; }
.badge { align-self: flex-start; padding: 5px 14px; border: 1px solid rgba(201,164,92,.65); border-radius: 999px; color: var(--gold-light); font-size: 14px; }
.hero h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(36px, 5vw, 56px); line-height: 1.2; }
.hero .lead { font-size: 18.5px; color: #E6E1D3; }
.hero-author { display: flex; flex-direction: column; gap: 2px; padding-top: 16px; border-top: 1px solid rgba(201,164,92,.4); }
.hero-author .lbl { font-size: 13px; color: #CFC6B2; }
.hero-author .nm { font-size: 18px; font-weight: 700; color: #fff; }
@media (max-width: 1100px) {
  .hero-media { position: static; }
  .hero-media img { height: auto; object-fit: contain; }
  .hero-shade { display: none; }
  .hero-inner { min-height: 0; padding-block: 48px 32px; }
  [dir="rtl"] .hero-inner { justify-content: flex-start; }
  .hero-content { max-width: 720px; margin-inline: 0; }
  .hero { display: flex; flex-direction: column-reverse; }
}

/* ---------- 5. Buttons ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { appearance: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 15.5px; text-decoration: none; transition: background .15s, color .15s, box-shadow .15s; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); color: #fff; }
.btn-ghost { background: transparent; border: 1.5px solid var(--green); color: var(--green); }
.btn-ghost:hover { background: var(--green-tint); color: var(--green-dark); }
.btn-gold { background: var(--gold); color: var(--green-ink); }
.btn-gold:hover { background: #D8B672; color: var(--green-ink); }
.btn-light { background: transparent; border: 1.5px solid rgba(244,241,232,.65); color: #F4F1E8; }
.btn-light:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-danger { background: transparent; border: 1.5px solid var(--bad); color: var(--bad); }
.btn-danger:hover { background: var(--bad-bg); }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ---------- 6. Sections ---------- */
.section { padding-block: 76px 56px; }
.section > .container { display: flex; flex-direction: column; gap: 28px; }
.band { background: var(--band); }
.band-dark { background: var(--green-deep); color: #EDE8DB; }
.section-head { display: flex; flex-direction: column; gap: 10px; max-width: 840px; }
.eyebrow { color: var(--gold-text); font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.section-head h2 { font-family: var(--font-display); font-size: clamp(30px, 3.6vw, 40px); line-height: 1.3; color: var(--green-ink); }
.section-head p { color: var(--muted); }
.band-dark .section-head h2 { color: #F7F3E8; }
.band-dark .section-head p { color: #D6D0C0; }
.band-dark .eyebrow { color: var(--gold-light); }
.h3 { font-family: var(--font-display); font-size: 27px; color: var(--green-ink); line-height: 1.35; }
.muted { color: var(--muted); }
.small { font-size: 14px; }

/* ---------- 7. Grids & cards ---------- */
.grid { display: grid; gap: 16px; }
.g-200 { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.g-240 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.g-280 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.g-320 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.g-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
@media (max-width: 420px) { .g-320, .g-2, .g-280 { grid-template-columns: 1fr; } }

.card { background: var(--paper); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.card h3 { font-size: 19px; color: var(--green); line-height: 1.5; }
.card p, .card li { color: var(--muted); font-size: 15.5px; }
.card-dark { background: var(--green-deep); border-color: transparent; color: #EDE8DB; }
.card-dark h3 { color: var(--gold-light); }
.card-dark p, .card-dark li { color: #E2DCCD; }
.list { margin: 0; padding-inline-start: 20px; display: flex; flex-direction: column; gap: 6px; }
.cite { font-size: 13px; color: var(--muted-2); }
.card-dark .cite { color: #BDB6A4; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--green-tint); color: var(--green-dark); }
.tag-gold { background: #F3E8CC; color: #5C4515; }
.tag-evidence { background: var(--green-tint); color: var(--green-dark); }
.tag-illustrative { background: #F3E8CC; color: #5C4515; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* Hierarchy diagram (problem → aim → objectives → questions) */
.chain { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0; counter-reset: chain; }
.chain-item { position: relative; background: var(--paper); border: 1px solid var(--border); padding: 18px 18px 18px; display: flex; flex-direction: column; gap: 6px; }
.chain-item:first-child { border-start-start-radius: var(--radius); border-end-start-radius: var(--radius); }
.chain-item:last-child { border-start-end-radius: var(--radius); border-end-end-radius: var(--radius); }
.chain-item strong { color: var(--green); font-size: 16.5px; }
.chain-item span { font-size: 14.5px; color: var(--muted); }
.chain-item .n { font-family: var(--font-display); font-size: 26px; color: var(--gold); line-height: 1; }
@media (max-width: 760px) { .chain-item { border-radius: 0 !important; } .chain-item:first-child { border-radius: var(--radius) var(--radius) 0 0 !important; } .chain-item:last-child { border-radius: 0 0 var(--radius) var(--radius) !important; } }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--paper); }
table.data { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 760px; }
table.data th, table.data td { text-align: start; padding: 12px 14px; border-bottom: 1px solid #E1EAE7; vertical-align: top; }
table.data thead th { background: var(--green-tint-2); color: var(--green-dark); font-size: 14px; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.em { font-weight: 700; color: var(--green-ink); white-space: nowrap; }

/* ---------- 8. Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label, .field > .label, fieldset > legend { font-weight: 600; font-size: 15px; color: var(--ink); }
.req { color: var(--bad); margin-inline-start: 2px; }
.hint { font-size: 13px; color: var(--muted-2); line-height: 1.6; }
.inp { width: 100%; font-size: 16px; padding: 11px 14px; border-radius: var(--radius-sm); border: 1.5px solid #BBD0CB; background: #fff; min-height: 46px; }
.inp:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(31,111,107,.2); }
textarea.inp { min-height: 96px; resize: vertical; line-height: 1.75; }
select.inp { cursor: pointer; }
.inp[aria-invalid="true"] { border-color: var(--bad); background: #FFFBFA; }
.err { font-size: 13.5px; color: var(--bad); font-weight: 600; }
.err:empty { display: none; }
fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-pill { position: relative; }
.radio-pill input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.radio-pill span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--border-strong); background: #fff; font-weight: 600; font-size: 15px; }
.radio-pill input:checked + span { background: var(--green); border-color: var(--green); color: #fff; }
.radio-pill input:focus-visible + span { outline: 3px solid var(--gold); outline-offset: 2px; }

/* Selectable cards */
.choice { appearance: none; text-align: start; cursor: pointer; border: 1.5px solid var(--border); background: var(--paper); border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 6px; transition: border-color .15s, background .15s, box-shadow .15s; }
.choice:hover { border-color: var(--green); }
.choice[aria-pressed="true"] { border-color: var(--green); background: var(--green-tint); box-shadow: 0 0 0 3px rgba(31,111,107,.16); }
.choice strong { color: var(--green-dark); font-size: 16px; }
.choice span { font-size: 13.5px; color: var(--muted-2); line-height: 1.65; }
.chip-btn { appearance: none; cursor: pointer; border: 1.5px solid var(--border-strong); background: #fff; border-radius: 999px; padding: 6px 14px; font-size: 14px; min-height: 38px; text-align: start; }
.chip-btn:hover { border-color: var(--green); background: var(--green-tint-2); }
.chip-btn[aria-pressed="true"] { background: var(--green); border-color: var(--green); color: #fff; }

/* ---------- 9. Builder (wizard) ---------- */
.wizard { background: var(--paper); border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); overflow: hidden; }
.wizard-top { background: var(--green-tint-2); border-bottom: 1px solid #DCE8E4; padding: 16px 18px 12px; display: flex; flex-direction: column; gap: 10px; }
.stepper { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: thin; padding-bottom: 4px; }
.stepdot { appearance: none; border: 0; background: transparent; cursor: pointer; display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 10px; min-height: 44px; color: var(--muted-2); font-size: 13.5px; font-weight: 500; white-space: nowrap; flex: none; }
.stepdot .num { width: 28px; height: 28px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid #AFC3BE; font-weight: 700; font-size: 13px; flex: none; background: #fff; }
.stepdot[aria-current="step"] { background: var(--green-tint); color: var(--green-ink); font-weight: 600; }
.stepdot[aria-current="step"] .num { background: var(--green); border-color: var(--green); color: #fff; }
.stepdot.done .num { background: var(--gold); border-color: var(--gold); color: var(--green-ink); }
.stepdot[disabled] { cursor: not-allowed; opacity: .55; }
.progress { height: 6px; background: #D7E3E0; border-radius: 3px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--green); transition: width .25s; }
.save-status { font-size: 13px; color: var(--muted-2); display: flex; align-items: center; gap: 6px; }
.save-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; }
.wizard-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.wizard-body { padding: 30px 28px; display: flex; flex-direction: column; gap: 22px; }
.step { display: flex; flex-direction: column; gap: 20px; }
.step[hidden] { display: none; }
.step-head { display: flex; flex-direction: column; gap: 6px; }
.step-head h3 { font-size: 23px; color: var(--green-ink); line-height: 1.4; }
.step-head h3:focus { outline: none; }
.step-head p { color: var(--muted-2); font-size: 15.5px; }
.explain { background: var(--green-tint-2); border: 1px solid #D5E5E1; border-radius: 14px; padding: 14px 18px; font-size: 15px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.explain strong { color: var(--green-dark); }
.example-box { background: #FBF6EA; border: 1px solid #EAD9B0; border-radius: 14px; padding: 12px 16px; font-size: 14.5px; color: #4E3D17; }
.example-box b { color: var(--gold-text); }
.output-box { border: 1.5px solid var(--green); border-radius: 14px; padding: 16px 18px; background: #fff; display: flex; flex-direction: column; gap: 6px; }
.output-box .k { font-size: 12.5px; font-weight: 700; color: var(--gold-text); letter-spacing: .02em; }
.output-box .v { font-size: 16.5px; color: var(--green-ink); }
.wizard-nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid #E1EAE7; flex-wrap: wrap; }
.wizard-nav .spacer { flex: 1; }
.form-alert { background: var(--bad-bg); color: var(--bad); border: 1px solid #F0C3BD; border-radius: 12px; padding: 10px 14px; font-size: 14.5px; font-weight: 600; }
.form-alert[hidden] { display: none; }
.stems { display: flex; flex-wrap: wrap; gap: 8px; }

/* Diagnostics */
.diag { display: flex; flex-direction: column; gap: 10px; }
.diag-item { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: start; padding: 12px 14px; border-radius: 12px; border: 1px solid; }
.diag-item .ic { width: 26px; height: 26px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; grid-row: span 2; color: #fff; }
.diag-item .t { font-weight: 700; font-size: 15px; }
.diag-item .d { font-size: 14.5px; grid-column: 2; }
.diag-item .r { font-size: 14px; grid-column: 2; font-style: normal; }
.st-ok { background: var(--ok-bg); border-color: #BFD9D3; }
.st-ok .ic { background: var(--ok); }
.st-warn { background: var(--warn-bg); border-color: #EBCF95; }
.st-warn .ic { background: #B07A12; }
.st-bad { background: var(--bad-bg); border-color: #EFC0BA; }
.st-bad .ic { background: var(--bad); }
.st-info { background: #EEF2F7; border-color: #CBD6E4; }
.st-info .ic { background: #46607F; }
.status-label { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; margin-inline-start: 6px; vertical-align: middle; }
.st-ok .status-label { background: #fff; color: var(--ok); }
.st-warn .status-label { background: #fff; color: var(--warn); }
.st-bad .status-label { background: #fff; color: var(--bad); }
.st-info .status-label { background: #fff; color: #46607F; }

/* Rubric */
.rubric { display: flex; flex-direction: column; gap: 12px; }
.rubric-row { border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; background: #fff; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 18px; align-items: center; }
.rubric-row legend { font-weight: 700; color: var(--green-ink); font-size: 15.5px; padding: 0; float: inline-start; width: 100%; }
.rubric-row .desc { font-size: 13.5px; color: var(--muted-2); grid-column: 1; }
.rubric-row .suggest { font-size: 12.5px; color: var(--gold-text); grid-column: 1; }
.scale { display: flex; gap: 6px; grid-column: 2; grid-row: 1 / span 3; }
.scale label { position: relative; }
.scale input { position: absolute; opacity: 0; inset: 0; margin: 0; width: 100%; height: 100%; cursor: pointer; }
.scale span { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; border: 1.5px solid var(--border-strong); background: #fff; font-weight: 700; }
.scale input:checked + span { background: var(--green); color: #fff; border-color: var(--green); }
.scale input:focus-visible + span { outline: 3px solid var(--gold); outline-offset: 2px; }
.scale-legend { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted-2); }
@media (max-width: 640px) { .rubric-row { grid-template-columns: 1fr; } .scale { grid-column: 1; grid-row: auto; } }
.result-panel { background: var(--green-deep); color: #EDE8DB; border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.result-panel .big { font-family: var(--font-display); font-size: 46px; color: var(--gold-light); line-height: 1.05; }
.result-panel .lvl { font-size: 18px; font-weight: 700; color: #fff; }
.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: minmax(0, 1fr) 120px 36px; gap: 10px; align-items: center; font-size: 13.5px; }
.bar { height: 8px; border-radius: 4px; background: rgba(255,255,255,.18); overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--gold); }
.disclaimer { border-inline-start: 4px solid var(--gold); background: #FBF6EA; padding: 12px 16px; border-radius: 10px; font-size: 14.5px; color: #4E3D17; }

.eval-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr); gap: 18px; align-items: start; }
@media (max-width: 900px) { .eval-layout { grid-template-columns: 1fr; } }

/* Supporting questions */
.sq-list { display: flex; flex-direction: column; gap: 12px; }
.sq-item { border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; background: #fff; display: flex; flex-direction: column; gap: 8px; }
.sq-row { display: flex; gap: 8px; align-items: flex-start; }
.sq-row .inp { flex: 1; min-height: 46px; }
.sq-checks { display: flex; flex-wrap: wrap; gap: 6px; }
.mini { font-size: 12.5px; font-weight: 600; padding: 2px 9px; border-radius: 999px; border: 1px solid; }
.mini.ok { color: var(--ok); border-color: #BFD9D3; background: var(--ok-bg); }
.mini.warn { color: var(--warn); border-color: #EBCF95; background: var(--warn-bg); }

/* Report */
.report-tools { display: flex; flex-wrap: wrap; gap: 8px; }
.report { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 30px; line-height: 1.85; }
.report:focus { outline: 2px dashed var(--green); outline-offset: 4px; }
.report h2 { font-family: var(--font-display); font-size: 26px; color: var(--green-ink); margin-bottom: 4px; }
.report h3 { font-size: 16px; color: var(--green); margin-top: 18px; margin-bottom: 4px; }
.report p, .report li { font-size: 15.5px; }
.report ul, .report ol { margin: 4px 0; padding-inline-start: 22px; }
.report .meta { font-size: 13px; color: var(--muted-2); }

/* ---------- 10. Matrix ---------- */
.matrix { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 900px) { .matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .matrix { grid-template-columns: 1fr; } }
.m-cell { background: #fff; border: 1.5px solid var(--border); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 6px; min-height: 150px; }
.m-cell .k { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-weight: 700; color: var(--green-dark); }
.m-cell .v { font-size: 14.5px; color: var(--ink); overflow-wrap: anywhere; }
.m-cell .v.empty { color: var(--muted-2); font-style: italic; }
.m-cell.filled { border-color: var(--green); }
.m-links { display: flex; flex-direction: column; gap: 10px; }

/* ---------- 11. Comparison ---------- */
.compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; } }
.compare .col { display: flex; flex-direction: column; gap: 10px; }
.cmp-table td .yes { color: var(--ok); font-weight: 700; }
.cmp-table td .no { color: var(--bad); font-weight: 700; }

/* ---------- 12. Examples ---------- */
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; }
.ex-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.ex-card[hidden] { display: none; }
.ex-weak, .ex-better { border-radius: 12px; padding: 10px 14px; font-size: 15px; }
.ex-weak { background: var(--bad-bg); color: #6B231D; }
.ex-better { background: var(--ok-bg); color: var(--green-ink); }
.ex-weak b, .ex-better b { display: block; font-size: 12.5px; letter-spacing: .02em; margin-bottom: 2px; }
.ex-card .why { font-size: 14.5px; color: var(--muted); }
.ex-card .meth { font-size: 14px; color: var(--green-dark); }

/* ---------- 13. Glossary ---------- */
.gloss-search { max-width: 420px; }
.gloss-table td:nth-child(1), .gloss-table td:nth-child(2) { font-weight: 700; color: var(--green-ink); }
.gloss-table td [lang="ar"] { font-family: var(--font-body); }

/* ---------- 14. Checklist ---------- */
.checklist { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 10px; }
.chk { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 12px; border: 1.5px solid var(--border); background: #fff; cursor: pointer; }
.chk input { width: 22px; height: 22px; accent-color: var(--green); margin: 3px 0 0; flex: none; }
.chk.on { border-color: var(--green); background: var(--green-tint-2); }
.chk .txt { display: flex; flex-direction: column; gap: 3px; }
.chk .txt strong { font-size: 15px; }
.chk .txt span { font-size: 13.5px; color: var(--muted-2); line-height: 1.6; }
.detect { font-size: 12px; font-weight: 700; color: var(--bad); }
.detect.clear { color: var(--ok); }

/* ---------- 15. References ---------- */
.refs { display: flex; flex-direction: column; gap: 26px; }
.ref-group h3 { font-size: 19px; color: var(--green-dark); margin-bottom: 10px; }
.ref-group ol { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ref-group li { padding-inline-start: 28px; text-indent: -28px; font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.ref-group li[dir="ltr"] { text-align: left; padding-left: 28px; padding-right: 0; font-family: Georgia, 'Times New Roman', serif; }
.ref-group li[dir="rtl"] { text-align: right; padding-right: 28px; padding-left: 0; }
.ref-type { text-indent: 0; display: inline-block; margin-inline-start: 6px; font-family: var(--font-body); }

/* ---------- 16. Data panel & footer ---------- */
.data-panel { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toast { position: fixed; inset-inline-end: 20px; bottom: 20px; z-index: 300; background: var(--green-ink); color: #fff; padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow); font-size: 14.5px; max-width: min(92vw, 420px); }
.toast[hidden] { display: none; }
.site-footer { background: var(--green-ink); color: #D3CDBE; }
.footer-inner { padding-block: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 22px; }
.footer-col { display: flex; flex-direction: column; gap: 4px; font-size: 14px; max-width: 560px; }
.footer-title { font-family: var(--font-display); font-size: 22px; color: #F7F3E8; font-weight: 700; }
.footer-name { color: var(--gold-light); font-size: 18px; font-weight: 700; }
.footer-col a { color: var(--gold-light); }

/* Author block with photo (hero) */
.author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(201, 164, 92, .4);
}
.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--gold);
  flex: none;
}
.author-text { display: flex; flex-direction: column; line-height: 1.4; }
.author-label { font-size: 13px; color: #CFC6B2; }
.author-name { font-size: 18px; font-weight: 700; color: #fff; }

/* ---------- 17. Responsive navigation ---------- */

/* Small screens: show the hero photo as a background behind the text
   (same behaviour as the Research Problem Compass) */
@media (max-width: 1100px) {
  .hero { display: block; }
  .hero-media { position: absolute; inset: 0; }
  .hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 75% center;
  }
  .hero-shade {
    display: block;
    background: linear-gradient(0deg, rgba(8, 48, 46, .86), rgba(8, 48, 46, .86));
  }
  .hero-inner { min-height: 0; padding-block: 72px 64px; }
}

@media (max-width: 860px) {
  .header-actions { width: 100%; flex-wrap: nowrap; }
  .main-nav { flex: 1; min-width: 0; flex-wrap: nowrap; overflow-x: auto; white-space: nowrap; scrollbar-width: none; gap: 14px; }
  .main-nav::-webkit-scrollbar { display: none; }
  .lang-switch { flex: none; }
  html { scroll-padding-top: 120px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .section { padding-block: 52px 36px; }
  .wizard-body { padding: 22px 16px; }
  .report { padding: 20px; }
  .brand-sub { display: none; }
}

/* ---------- 18. Print: only the report ---------- */
@media print {
  body * { visibility: hidden; }
  .site-header, .site-footer, .toast { display: none !important; }
  #report, #report * { visibility: visible; }
  #report { position: absolute; inset: 0 0 auto 0; border: 0; padding: 0; }
  body { background: #fff; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 11px; }
}