/* ==========================================================================
   مولّد الاختبارات الورقية (PDF) | منصة اختباراتي
   تنسيقات الواجهة ومعاينة الطباعة A4
   ========================================================================== */

:root {
  /* ألوان واجهة المعلم (Dark Theme) */
  --app-bg: #090d16;
  --panel-bg: #111827;
  --panel-bg-alt: #1a2234;
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-text: #f1f5f9;
  --panel-muted: #94a3b8;
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-glow: rgba(139, 92, 246, 0.35);
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.3);
  --canvas-bg: #1e2533;

  /* ألوان ورقة الطباعة (Paper Palette) */
  --paper-bg: #ffffff;
  --ink-primary: #0f172a;
  --ink-secondary: #334155;
  --ink-muted: #64748b;
  --ink-line: #cbd5e1;
  --ink-light-box: #f8fafc;
  --ink-accent: #0f766e;
  --ink-accent-light: #f0fdfa;
  --ink-answer: #047857;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background: var(--app-bg);
  color: var(--panel-text);
  font-family: 'Cairo', 'IBM Plex Sans Arabic', sans-serif;
  direction: rtl;
  text-align: right;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   هيكل التطبيق (App Shell)
   ========================================================================== */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* الشريط العلوي */
.top-navbar {
  height: 58px;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  flex-shrink: 0;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-section a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.brand-section img {
  height: 32px;
  width: auto;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  background: linear-gradient(135deg, #c084fc, #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pilot-badge {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(167, 139, 250, 0.4);
  color: #c084fc;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--panel-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  transition: all 0.2s ease;
}

.btn-nav:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* التقسيم الرئيسي (شريط الأدوات + مساحة المعاينة) */
.main-layout {
  display: grid;
  grid-template-columns: 370px 1fr;
  flex: 1;
  overflow: hidden;
}

/* تبويبات الموبايل وشريط الإجراءات السفلي (مخفيان على سطح المكتب) */
.mobile-tabs {
  display: none;
}

.mobile-sticky-bar {
  display: none;
}

/* ==========================================================================
   شريط التحكم الجانبي (Control Sidebar)
   ========================================================================== */
.sidebar {
  background: var(--panel-bg);
  border-left: 1px solid var(--panel-border);
  overflow-y: auto;
  padding: 22px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-section {
  background: var(--panel-bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
}

.sidebar-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: #c084fc;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group {
  margin-bottom: 12px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--panel-muted);
  margin-bottom: 6px;
}

.form-select, .form-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--panel-text);
  outline: none;
  transition: all 0.2s;
}

.form-select option {
  background: #1e2533;
  color: #fff;
}

.form-select:focus, .form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.form-select:disabled, .form-input:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* المفاتيح والخيارات التبديلية (Switches) */
.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.switch-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.switch-label {
  font-size: 0.82rem;
  color: var(--panel-text);
  font-weight: 500;
}

.switch-control {
  position: relative;
  width: 38px;
  height: 20px;
  flex-shrink: 0;
}

.switch-control input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  cursor: pointer;
  transition: 0.2s;
}

.switch-slider::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: 0.2s;
}

.switch-control input:checked + .switch-slider {
  background: var(--accent);
}

.switch-control input:checked + .switch-slider::before {
  transform: translateX(-18px);
}

/* الأزرار الرئيسية */
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: all 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px var(--accent-glow);
  background: linear-gradient(135deg, var(--accent-hover), #5b21b6);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-print {
  width: 100%;
  background: linear-gradient(135deg, #059669, #047857);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 16px var(--success-glow);
  transition: all 0.2s ease;
}

.btn-print:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--success-glow);
  background: linear-gradient(135deg, #10b981, #059669);
}

.btn-print:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.sidebar-hint {
  font-size: 0.74rem;
  color: var(--panel-muted);
  line-height: 1.5;
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 12px;
  border-radius: 8px;
  border-right: 3px solid var(--accent);
}

/* ==========================================================================
   مساحة المعاينة الحية (Live A4 Preview Wrap)
   ========================================================================== */
.preview-container {
  background: var(--canvas-bg);
  overflow-y: auto;
  padding: 28px 20px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.preview-toolbar {
  width: 210mm;
  max-width: 100%;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--panel-muted);
}

.preview-toolbar b {
  color: #fff;
}

.preview-status {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* حالة الانتظار / البداية */
.empty-state {
  width: 210mm;
  max-width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 2px dashed rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 80px 24px;
  text-align: center;
  color: var(--panel-muted);
  margin-top: 40px;
}

.empty-state i {
  font-size: 3.5rem;
  color: rgba(192, 132, 252, 0.4);
  margin-bottom: 16px;
  display: block;
}

.empty-state h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 440px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   ورقة الاختبار المطبوعة (A4 Paper Styling)
   ========================================================================== */
.paper {
  width: 210mm;
  min-height: 297mm;
  max-width: 100%;
  background: var(--paper-bg);
  color: var(--ink-primary);
  padding: 16mm 18mm;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.35);
  font-family: 'Noto Naskh Arabic', serif;
  font-size: 1rem;
  line-height: 1.85;
  position: relative;
  border-radius: 2px;
}

.paper + .paper {
  margin-top: 30px;
}

/* تحكم أحجام الخطوط */
.paper.font-small { font-size: 0.88rem; line-height: 1.7; padding: 12mm 14mm; }
.paper.font-medium { font-size: 0.98rem; line-height: 1.85; }
.paper.font-large { font-size: 1.08rem; line-height: 2; }

/* ترويسة الاختبار المطبوع */
.exam-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2.5px solid var(--ink-primary);
  padding-bottom: 12px;
  margin-bottom: 10px;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
}

.exam-header-right {
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.4;
}

.exam-header-center {
  text-align: center;
}

.exam-header-left {
  font-size: 0.85rem;
  color: var(--ink-secondary);
  text-align: left;
  line-height: 1.5;
}

.exam-title-block {
  text-align: center;
  margin: 12px 0 10px;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
}

.exam-title-block h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0;
  color: var(--ink-primary);
}

.exam-title-block .exam-subtitle {
  font-size: 0.88rem;
  color: var(--ink-secondary);
  margin-top: 4px;
}

/* شبكة بيانات الطالب */
.student-card {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  background: var(--ink-light-box);
  border: 1px solid var(--ink-line);
  border-radius: 8px;
  padding: 10px 16px;
  margin: 12px 0 18px;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-size: 0.85rem;
}

.student-field {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}

.student-field b {
  white-space: nowrap;
}

.student-field .write-line {
  flex: 1;
  border-bottom: 1.2px dotted var(--ink-muted);
  min-height: 1.1em;
}

/* شريط تعليمات الاختبار */
.exam-instructions {
  background: var(--ink-light-box);
  border-right: 3.5px solid var(--ink-accent);
  padding: 8px 14px;
  margin-bottom: 20px;
  border-radius: 0 6px 6px 0;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

/* ==========================================================================
   تنسيق الأسئلة المتنوعة (All 10 Question Types)
   ========================================================================== */
.q {
  margin-bottom: 18px;
  page-break-inside: avoid;
}

.q-head {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 1em;
  font-weight: 600;
}

.q-num {
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-weight: 700;
  color: var(--ink-accent);
  flex-shrink: 0;
  min-width: 1.7em;
}

.q-text {
  flex: 1;
}

.q-marks {
  font-size: 0.74rem;
  color: var(--ink-muted);
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-weight: normal;
}

/* صور الأسئلة والرسوم */
.q-image-wrap {
  text-align: center;
  margin: 8px 0 10px 2.2em;
}

.q-image-wrap img {
  max-width: 90%;
  max-height: 220px;
  border: 1px solid var(--ink-line);
  border-radius: 6px;
  padding: 4px;
  background: #fff;
  object-fit: contain;
}

/* الاختيار من متعدد */
.options-wrap {
  margin: 8px 0 0 2.2em;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.options-wrap.cols-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.opt-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.94em;
}

.opt-bullet {
  width: 1.15em;
  height: 1.15em;
  border: 1.3px solid var(--ink-muted);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.18em;
}

.opt-item.is-correct .opt-bullet {
  background: var(--ink-answer);
  border-color: var(--ink-answer);
}

.opt-item.is-correct b.check-mark {
  color: var(--ink-answer);
  margin-right: 4px;
}

/* صح وخطأ */
.tf-row {
  display: flex;
  gap: 32px;
  margin: 8px 0 0 2.2em;
  font-size: 0.94em;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
}

.tf-choice {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tf-box {
  width: 1.15em;
  height: 1.15em;
  border: 1.4px solid var(--ink-muted);
  border-radius: 3px;
  display: inline-block;
}

.tf-choice.is-correct .tf-box {
  background: var(--ink-answer);
  border-color: var(--ink-answer);
}

/* إجابة قصيرة */
.short-answer-line {
  border-bottom: 1.3px dotted var(--ink-muted);
  display: block;
  margin: 12px 0 4px 2.2em;
  height: 1.8em;
}

/* بنك الكلمات */
.wordbank-box {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 8px 2.2em 14px;
  background: var(--ink-light-box);
  border: 1px dashed var(--ink-line);
  border-radius: 8px;
  padding: 10px 14px;
}

.wordbank-box span {
  font-size: 0.92em;
  padding: 2px 12px;
  background: #fff;
  border: 1px solid var(--ink-line);
  border-radius: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

/* توصيل وقائمتين (Connect & Match) */
.connect-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 36px;
  margin: 10px 2.2em 6px;
}

.connect-col-header {
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-secondary);
  border-bottom: 1.5px solid var(--ink-line);
  padding-bottom: 4px;
  margin-bottom: 8px;
}

.connect-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.94em;
  border-bottom: 1px dashed var(--ink-line);
}

.connect-row-a .connect-dot {
  margin-inline-start: auto;
}

.connect-dot {
  width: 0.6em;
  height: 0.6em;
  border-radius: 50%;
  border: 1.3px solid var(--ink-muted);
  flex-shrink: 0;
}

.connect-row img,
.connect-img {
  max-height: 52px;
  max-width: 72px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  border: 1px solid var(--ink-line);
  background: #ffffff;
  padding: 2px;
  flex-shrink: 0;
  vertical-align: middle;
}

.connect-idx {
  font-weight: 700;
  flex-shrink: 0;
  min-width: 1.5em;
}

.connect-label {
  word-break: break-word;
}

.connect-instruction {
  font-size: 0.76rem;
  color: var(--ink-muted);
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  margin: 6px 2.2em 0;
}

/* قطعة القراءة والفهم */
.passage-container {
  background: var(--ink-light-box);
  border: 1px solid var(--ink-line);
  border-right: 4px solid var(--ink-accent);
  border-radius: 6px;
  padding: 12px 18px;
  margin: 8px 0 14px 2.2em;
  font-size: 0.96em;
  line-height: 2;
}

.subquestion-block {
  margin: 12px 0 0 1.6em;
  padding-right: 14px;
  border-right: 2px solid var(--ink-line);
}

/* المحادثة / Dialogue */
.dialogue-container {
  margin: 8px 0 0 2.2em;
}

.dialogue-line {
  margin-bottom: 8px;
}

.dialogue-blank {
  margin: 10px 0;
  padding: 8px 12px;
  background: var(--ink-light-box);
  border-radius: 6px;
  border: 1px dashed var(--ink-line);
}

/* ملاحظة نموذج الإجابة للمعلم */
.model-answer-note {
  font-size: 0.82rem;
  color: var(--ink-answer);
  font-weight: 700;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  margin: 6px 2.2em 0;
}

/* شارة صفحة نموذج الإجابة */
.ak-header-badge {
  display: inline-block;
  background: var(--ink-answer);
  color: #fff;
  font-size: 0.72rem;
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}

/* تذييل الورقة */
.exam-footer {
  margin-top: 36px;
  padding-top: 10px;
  border-top: 1.5px solid var(--ink-line);
  font-family: 'IBM Plex Sans Arabic', sans-serif;
  font-size: 0.75rem;
  color: var(--ink-muted);
  display: flex;
  justify-content: space-between;
}

/* دعم صيغ KaTeX وتجاوز الشاشات الصغيرة */
.katex {
  font-size: 1.05em !important;
  direction: ltr !important;
  display: inline-block;
}

.katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
  padding: 4px 0;
}

/* تنسيقات الفراغات وأقسام الأسئلة العامة */
.blank-line {
  display: inline-block;
  min-width: 80px;
  border-bottom: 1.3px dotted var(--ink-muted);
  margin: 0 4px;
  vertical-align: middle;
}

.fill-sentences-wrap {
  margin: 8px 1.8em 0 0;
}

.order-slots-wrap {
  margin: 8px 1.8em 0 0;
}

.wordbank-text-wrap {
  margin: 8px 1.8em 0 0;
  line-height: 2.2;
}

/* ==========================================================================
   تنسيقات اختبارات اللغة الإنجليزية (LTR English Exam Styling)
   ========================================================================== */
.paper.paper-ltr {
  direction: ltr !important;
  text-align: left !important;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
}

.paper.paper-ltr .exam-header {
  direction: ltr !important;
}

.paper.paper-ltr .exam-header-left {
  text-align: left !important;
}

.paper.paper-ltr .exam-header-right {
  text-align: right !important;
}

.paper.paper-ltr .student-card {
  direction: ltr !important;
}

.paper.paper-ltr .student-field {
  direction: ltr !important;
}

.paper.paper-ltr .student-field b {
  margin-right: 6px;
  margin-left: 0;
}

.paper.paper-ltr .exam-instructions {
  direction: ltr !important;
  text-align: left !important;
  border-right: none !important;
  border-left: 3.5px solid var(--ink-accent) !important;
  border-radius: 6px 0 0 6px !important;
}

.paper.paper-ltr .q {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .q-head {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .q-num {
  margin-right: 6px;
  margin-left: 0;
}

.paper.paper-ltr .opt-item {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .opt-item.is-correct b.check-mark {
  margin-right: 0;
  margin-left: 4px;
}

.paper.paper-ltr .tf-row {
  direction: ltr !important;
}

.paper.paper-ltr .passage-container {
  direction: ltr !important;
  text-align: left !important;
  border-right: 1px solid var(--ink-line) !important;
  border-left: 4px solid var(--ink-accent) !important;
}

.paper.paper-ltr .subquestion-block {
  margin-right: 0 !important;
  margin-left: 1.2em !important;
  padding-right: 0 !important;
  padding-left: 14px !important;
  border-right: none !important;
  border-left: 2px solid var(--ink-line) !important;
}

.paper.paper-ltr .dialogue-container,
.paper.paper-ltr .dialogue-line,
.paper.paper-ltr .dialogue-blank {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .connect-container {
  direction: ltr !important;
}

.paper.paper-ltr .connect-row img {
  margin-left: 0;
  margin-right: 6px;
}

.paper.paper-ltr .connect-instruction {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .model-answer-note {
  direction: ltr !important;
  text-align: left !important;
}

.paper.paper-ltr .exam-footer {
  direction: ltr !important;
}

/* على الشاشات الكبيرة: هوامش إزاحة المحتوى تكون من اليسار (LTR) */
@media screen and (min-width: 961px) {
  .paper.paper-ltr .options-wrap,
  .paper.paper-ltr .tf-row,
  .paper.paper-ltr .wordbank-box,
  .paper.paper-ltr .passage-container,
  .paper.paper-ltr .dialogue-container,
  .paper.paper-ltr .connect-container,
  .paper.paper-ltr .connect-instruction,
  .paper.paper-ltr .model-answer-note,
  .paper.paper-ltr .short-answer-line,
  .paper.paper-ltr .fill-sentences-wrap,
  .paper.paper-ltr .order-slots-wrap,
  .paper.paper-ltr .wordbank-text-wrap {
    margin-left: 2.2em !important;
    margin-right: 0 !important;
  }
}

/* ==========================================================================
   تنسيقات التجاوب مع الموبايل والشاشات الصغيرة (Responsive Mobile Styles)
   ========================================================================== */

/* 1. الشاشات المتوسطة والصغيرة (تابلت وموبايل <= 960px) */
@media (max-width: 960px) {
  html, body {
    overflow-x: hidden;
    height: auto;
    min-height: 100%;
  }

  .app-container {
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: visible;
  }

  /* الشريط العلوي */
  .top-navbar {
    height: 52px;
    padding: 0 14px;
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .btn-nav {
    padding: 5px 12px;
    font-size: 0.8rem;
  }

  /* تبويبات التنقل العلوية للموبايل */
  .mobile-tabs {
    display: flex;
    align-items: center;
    background: rgba(17, 24, 39, 0.98);
    border-bottom: 1px solid var(--panel-border);
    padding: 8px 12px;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 95;
    backdrop-filter: blur(12px);
  }

  .mobile-tab-btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 10px 8px;
    border-radius: 9px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--panel-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .mobile-tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
  }

  .mobile-tab-btn.active {
    color: #fff;
    background: rgba(139, 92, 246, 0.2);
    border-color: rgba(167, 139, 250, 0.45);
    box-shadow: 0 2px 10px rgba(139, 92, 246, 0.3);
  }

  .mobile-tab-btn i {
    font-size: 0.95rem;
  }

  .tab-q-badge {
    background: var(--success);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 1px 7px;
    border-radius: 999px;
    margin-right: 2px;
  }

  /* التحكم في ظهور أقسام الموبايل */
  .main-layout {
    display: block;
    height: auto;
    overflow: visible;
  }

  .main-layout.mobile-view-settings .sidebar {
    display: flex;
  }

  .main-layout.mobile-view-settings .preview-container {
    display: none;
  }

  .main-layout.mobile-view-preview .sidebar {
    display: none;
  }

  .main-layout.mobile-view-preview .preview-container {
    display: flex;
  }

  .sidebar {
    width: 100%;
    border-left: none;
    padding: 16px 14px 40px;
    overflow-y: visible;
    height: auto;
  }

  .preview-container {
    width: 100%;
    max-width: 100%;
    padding: 14px 10px 100px;
    overflow-y: visible;
    overflow-x: hidden;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
  }

  /* حاوية المعاينة لورقة الاختبار */
  #previewWrap {
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    box-sizing: border-box;
  }

  /* شريط معلومات المعاينة على الموبايل */
  .preview-toolbar {
    width: 100% !important;
    max-width: 100% !important;
    padding: 10px 14px;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 8px;
    box-sizing: border-box;
  }

  .preview-status {
    gap: 10px;
    font-size: 0.82rem;
  }

  /* ═══ ورقة الاختبار المولّدة على الموبايل والتابلت (The Exam Paper) ═══ */
  .paper {
    width: 100% !important;
    max-width: 100% !important;
    min-height: auto !important;
    padding: 20px 16px !important;
    margin: 0 !important;
    background: #ffffff !important;
    color: #0f172a !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28) !important;
    border-radius: 10px !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    font-family: 'IBM Plex Sans Arabic', 'Cairo', sans-serif !important;
    font-size: 0.94rem !important;
    line-height: 1.7 !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
    overflow-wrap: break-word !important;
    word-break: break-word !important;
  }

  .paper.font-small {
    font-size: 0.86rem !important;
    line-height: 1.62 !important;
    padding: 16px 12px !important;
  }

  .paper.font-medium {
    font-size: 0.94rem !important;
    line-height: 1.7 !important;
    padding: 20px 16px !important;
  }

  .paper.font-large {
    font-size: 1.02rem !important;
    line-height: 1.8 !important;
    padding: 22px 18px !important;
  }

  .paper + .paper {
    margin-top: 24px !important;
  }

  /* ═══ ترويسة الاختبار ═══ */
  .exam-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    gap: 8px !important;
    border-bottom: 2px solid #0f172a !important;
    padding-bottom: 10px !important;
    margin-bottom: 10px !important;
  }

  .exam-header-right {
    font-size: 0.88rem !important;
    font-weight: 700 !important;
    line-height: 1.4 !important;
  }

  .exam-header-left {
    font-size: 0.8rem !important;
    line-height: 1.4 !important;
    color: #475569 !important;
    text-align: left !important;
  }

  .exam-title-block {
    text-align: center !important;
    margin: 10px 0 !important;
  }

  .exam-title-block h2 {
    font-size: 1.22rem !important;
    font-weight: 800 !important;
    color: #0f172a !important;
  }

  .exam-title-block .exam-subtitle {
    font-size: 0.84rem !important;
    color: #64748b !important;
    margin-top: 2px !important;
  }

  /* ═══ كارت بيانات الطالب (2x2 Grid) ═══ */
  .student-card {
    display: grid !important;
    grid-template-columns: 1.2fr 1fr !important;
    gap: 8px 12px !important;
    padding: 10px 12px !important;
    margin: 10px 0 14px !important;
    background: #f8fafc !important;
    border: 1.5px solid #cbd5e1 !important;
    border-radius: 8px !important;
    font-size: 0.84rem !important;
  }

  .student-field {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    min-width: 0 !important;
  }

  .student-field b {
    white-space: nowrap !important;
    font-size: 0.82rem !important;
    color: #334155 !important;
  }

  .student-field .write-line {
    flex: 1 !important;
    border-bottom: 1.2px dotted #64748b !important;
    min-height: 1.1em !important;
    min-width: 20px !important;
  }

  /* ═══ الأسئلة وعناصرها ═══ */
  .q {
    margin-bottom: 16px !important;
    padding-bottom: 14px !important;
    border-bottom: 1px dashed #e2e8f0 !important;
  }

  .q:last-child {
    border-bottom: none !important;
    margin-bottom: 4px !important;
    padding-bottom: 0 !important;
  }

  .q-head {
    display: flex !important;
    align-items: baseline !important;
    gap: 6px !important;
    font-size: 0.96rem !important;
    font-weight: 700 !important;
    line-height: 1.6 !important;
  }

  .q-num {
    font-weight: 800 !important;
    color: #0f766e !important;
    min-width: 1.6em !important;
    flex-shrink: 0 !important;
  }

  .q-text {
    flex: 1 !important;
    min-width: 0 !important;
    word-break: break-word !important;
  }

  .q-marks {
    font-size: 0.74rem !important;
    color: #64748b !important;
    font-weight: normal !important;
    white-space: nowrap !important;
  }

  /* إزالة أي إزاحات أفقية مفرطة */
  .options-wrap,
  .tf-row,
  .wordbank-box,
  .passage-container,
  .dialogue-container,
  .connect-container,
  .connect-instruction,
  .model-answer-note,
  .short-answer-line,
  .q-image-wrap,
  .dialogue-blank,
  .fill-sentences-wrap,
  .order-slots-wrap,
  .wordbank-text-wrap {
    margin-right: 0 !important;
    margin-left: 0 !important;
  }

  /* تحويل الاختيارات لعمود واحد بتصميم بطاقات أنيق */
  .options-wrap {
    margin-top: 8px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 7px !important;
  }

  .options-wrap.cols-2 {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 7px !important;
  }

  .opt-item {
    display: flex !important;
    align-items: flex-start !important;
    gap: 8px !important;
    font-size: 0.92rem !important;
    line-height: 1.5 !important;
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 6px !important;
    padding: 7px 10px !important;
    min-width: 0 !important;
    word-break: break-word !important;
  }

  .opt-item.is-correct {
    background: #f0fdf4 !important;
    border-color: #86efac !important;
  }

  .opt-bullet {
    width: 14px !important;
    height: 14px !important;
    border: 1.5px solid #64748b !important;
    border-radius: 50% !important;
    flex-shrink: 0 !important;
    margin-top: 3px !important;
  }

  /* صح وخطأ */
  .tf-row {
    margin-top: 8px !important;
    display: flex !important;
    gap: 12px !important;
    font-size: 0.92rem !important;
  }

  .tf-choice {
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 6px !important;
    padding: 7px 14px !important;
  }

  .tf-choice.is-correct {
    background: #f0fdf4 !important;
    border-color: #86efac !important;
    color: #047857 !important;
    font-weight: 700 !important;
  }

  .tf-box {
    width: 14px !important;
    height: 14px !important;
    border: 1.5px solid #64748b !important;
    border-radius: 3px !important;
    display: inline-block !important;
  }

  /* بنك الكلمات */
  .wordbank-box {
    margin: 8px 0 10px 0 !important;
    padding: 8px 10px !important;
    background: #f1f5f9 !important;
    border: 1.5px dashed #cbd5e1 !important;
    border-radius: 8px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    justify-content: center !important;
  }

  .wordbank-box span {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 5px !important;
    padding: 3px 10px !important;
    font-size: 0.86rem !important;
    font-weight: 600 !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
  }

  /* التوصيل / Matching */
  .connect-container {
    margin: 8px 0 0 0 !important;
    padding: 8px 10px !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 0 8px !important;
    background: #f8fafc !important;
    border-radius: 6px !important;
    border: 1px dashed #cbd5e1 !important;
  }

  .connect-col-header {
    font-size: 0.78rem !important;
    font-weight: 700 !important;
    padding-bottom: 4px !important;
    margin-bottom: 4px !important;
  }

  .connect-row {
    font-size: 0.82rem !important;
    gap: 4px !important;
    padding: 5px 0 !important;
  }

  .connect-row img,
  .connect-img {
    max-height: 42px !important;
    max-width: 55px !important;
    border-radius: 4px !important;
    border: 1px solid #cbd5e1 !important;
    padding: 1px !important;
    vertical-align: middle !important;
    object-fit: contain !important;
  }

  /* قطع القراءة والمحادثة */
  .passage-container {
    margin: 8px 0 10px 0 !important;
    padding: 10px 12px !important;
    font-size: 0.88rem !important;
    line-height: 1.8 !important;
    background: #f8fafc !important;
    border-right: 3.5px solid #0f766e !important;
    border-radius: 6px !important;
  }

  .subquestion-block {
    margin: 8px 0 0 0.4em !important;
    padding-right: 8px !important;
    border-right: 2px solid #e2e8f0 !important;
  }

  .dialogue-container {
    margin: 8px 0 0 0 !important;
  }

  .dialogue-line {
    margin-bottom: 6px !important;
    font-size: 0.9rem !important;
  }

  .dialogue-blank {
    margin: 8px 0 !important;
    padding: 6px 10px !important;
    background: #f8fafc !important;
    border-radius: 6px !important;
    border: 1px dashed #cbd5e1 !important;
    font-size: 0.9rem !important;
  }

  /* ملاحظة نموذج الإجابة */
  .model-answer-note {
    margin: 6px 0 0 0 !important;
    font-size: 0.82rem !important;
    padding: 4px 8px !important;
    background: #f0fdf4 !important;
    border-radius: 4px !important;
    display: inline-block !important;
  }

  .connect-instruction {
    margin: 6px 0 0 0 !important;
    font-size: 0.76rem !important;
  }

  /* الصور والرسوم */
  .q-image-wrap {
    margin: 8px 0 10px 0 !important;
    text-align: center !important;
  }

  .q-image-wrap img {
    max-width: 100% !important;
    max-height: 200px !important;
    height: auto !important;
  }

  /* الفراغات وسطور الإجابة */
  .blank-line,
  .paper span[style*="min-width"],
  .paper span[style*="border-bottom"] {
    min-width: 44px !important;
    max-width: 80px !important;
    display: inline-block !important;
  }

  .short-answer-line {
    margin: 10px 0 0 0 !important;
    display: block !important;
    width: 100% !important;
    border-bottom: 1.3px dotted #64748b !important;
    min-height: 1.6em !important;
  }

  .fill-sentences-wrap,
  .order-slots-wrap,
  .wordbank-text-wrap,
  .paper div[style*="margin: 8px 2.2em 0 0"],
  .paper div[style*="margin:8px 2.2em 0"] {
    margin: 6px 0 0 0 !important;
    line-height: 2 !important;
  }

  /* التعليمات والتذييل */
  .exam-instructions {
    margin: 6px 0 12px 0 !important;
    padding: 7px 10px !important;
    font-size: 0.78rem !important;
    border-radius: 4px !important;
  }

  .exam-footer {
    margin-top: 22px !important;
    padding-top: 8px !important;
    font-size: 0.72rem !important;
    display: flex !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 4px !important;
  }

  .ak-header-badge {
    font-size: 0.7rem !important;
    padding: 3px 12px !important;
  }

  /* عناصر التحكم السفلية الثابتة للموبايل */
  .mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--panel-border);
    padding: 10px 14px;
    z-index: 90;
    box-shadow: 0 -4px 22px rgba(0, 0, 0, 0.45);
    gap: 10px;
  }

  .mobile-sticky-bar.is-visible {
    display: flex;
    align-items: center;
  }

  .btn-mobile-secondary {
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--panel-border);
    color: var(--panel-text);
    padding: 11px 12px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.2s;
  }

  .btn-mobile-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
  }

  .btn-mobile-primary {
    flex: 2;
    background: linear-gradient(135deg, #059669, #047857);
    border: none;
    color: #fff;
    padding: 11px 16px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.94rem;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 3px 12px var(--success-glow);
    transition: all 0.2s;
  }

  .btn-mobile-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #10b981, #059669);
  }

  .btn-mobile-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
  }
}

/* 2. شاشات الموبايل الضيقة جداً (<= 480px) */
@media (max-width: 480px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .preview-container {
    padding: 10px 6px 90px !important;
  }

  .paper {
    padding: 14px 10px !important;
    border-radius: 8px !important;
    font-size: 0.9rem !important;
  }

  .paper.font-small {
    padding: 12px 8px !important;
    font-size: 0.82rem !important;
  }

  .exam-header {
    gap: 4px !important;
  }

  .exam-header-right {
    font-size: 0.8rem !important;
  }

  .exam-header-left {
    font-size: 0.74rem !important;
  }

  .student-card {
    grid-template-columns: 1fr !important;
    gap: 6px !important;
    padding: 8px !important;
  }

  .exam-title-block h2 {
    font-size: 1.08rem !important;
  }

  .opt-item {
    font-size: 0.88rem !important;
    padding: 6px 8px !important;
  }

  .tf-row {
    gap: 8px !important;
  }

  .tf-choice {
    padding: 6px 10px !important;
    font-size: 0.86rem !important;
  }

  .connect-container {
    gap: 0 4px !important;
    padding: 6px !important;
  }

  .connect-row {
    font-size: 0.78rem !important;
    gap: 4px !important;
  }

  .connect-row img,
  .connect-img {
    max-height: 36px !important;
    max-width: 46px !important;
    padding: 1px !important;
  }

  .top-navbar {
    padding: 0 10px;
  }

  .brand-title {
    font-size: 1rem;
  }

  .mobile-tab-btn {
    font-size: 0.8rem;
    padding: 8px 6px;
    gap: 5px;
  }
}

/* ==========================================================================
   تنسيقات الطباعة الصارمة (@media print)
   ========================================================================== */
@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 14mm;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 10pt;
  }

  /* إخفاء عناصر واجهة المعلم بالكامل */
  .top-navbar,
  .mobile-tabs,
  .sidebar,
  .preview-toolbar,
  .empty-state,
  .mobile-sticky-bar {
    display: none !important;
  }

  .app-container,
  .main-layout,
  .preview-container {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .paper {
    box-shadow: none !important;
    width: 100% !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
    font-size: 1rem !important;
    page-break-after: always;
  }

  .paper:last-child {
    page-break-after: auto;
  }

  .q {
    page-break-inside: avoid !important;
    border-bottom: none !important;
    padding-bottom: 0 !important;
    margin-bottom: 18px !important;
  }

  .paper {
    font-family: 'Noto Naskh Arabic', serif !important;
  }

  .student-card {
    display: flex !important;
    justify-content: space-between !important;
  }

  .opt-item {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
  }

  .tf-choice {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
  }

  .blank-line {
    min-width: 80px !important;
  }

  /* استعادة التنسيق الأصلي للطباعة */
  .options-wrap.cols-2 {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px 24px !important;
  }

  .options-wrap,
  .tf-row,
  .wordbank-box,
  .passage-container,
  .dialogue-container,
  .connect-container,
  .connect-instruction,
  .model-answer-note,
  .short-answer-line,
  .fill-sentences-wrap,
  .order-slots-wrap,
  .wordbank-text-wrap {
    margin-right: 2.2em !important;
  }

  .exam-header {
    flex-wrap: nowrap !important;
  }

  .exam-header-center {
    order: unset !important;
    width: auto !important;
    border-top: none !important;
    padding-top: 0 !important;
  }

  /* ضمان ظهور الحدود وألوان الخلفيات الخفيفة */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* قواعد الطباعة الخاصة باختبارات اللغة الإنجليزية LTR */
  .paper.paper-ltr {
    direction: ltr !important;
    text-align: left !important;
  }

  .paper.paper-ltr .options-wrap,
  .paper.paper-ltr .tf-row,
  .paper.paper-ltr .wordbank-box,
  .paper.paper-ltr .passage-container,
  .paper.paper-ltr .dialogue-container,
  .paper.paper-ltr .connect-container,
  .paper.paper-ltr .connect-instruction,
  .paper.paper-ltr .model-answer-note,
  .paper.paper-ltr .short-answer-line,
  .paper.paper-ltr .fill-sentences-wrap,
  .paper.paper-ltr .order-slots-wrap,
  .paper.paper-ltr .wordbank-text-wrap {
    margin-left: 2.2em !important;
    margin-right: 0 !important;
  }

  .paper.paper-ltr .exam-instructions {
    border-right: none !important;
    border-left: 3.5px solid var(--ink-accent) !important;
  }

  .paper.paper-ltr .passage-container {
    border-right: 1px solid var(--ink-line) !important;
    border-left: 4px solid var(--ink-accent) !important;
  }

  .paper.paper-ltr .subquestion-block {
    border-right: none !important;
    border-left: 2px solid var(--ink-line) !important;
    padding-right: 0 !important;
    padding-left: 14px !important;
    margin-right: 0 !important;
    margin-left: 1.6em !important;
  }

  /* إخفاء المودال عند الطباعة */
  #subscription-modal {
    display: none !important;
  }
}

/* ==========================================================================
   مودال الاشتراك (نفس منطق ومظهر الموقع)
   ========================================================================== */
#subscription-modal.hidden {
  display: none !important;
}

#subscription-modal:not(.hidden) {
  display: flex !important;
}