/* Main Styles for Exam Platform */
/* Unified Arabic font across the whole site */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700&display=swap');

:root {
    --primary-color: #5FB0FF;
    --secondary-color: #F5F7FA;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    /* Bootstrap body font override */
    --bs-body-font-family: 'Tajawal', sans-serif;
}

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

/* Card styling */
.card {
    border-radius: 12px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-header {
    border-radius: 12px 12px 0 0 !important;
}

/* Button styling */
.btn {
    border-radius: 8px;
    transition: all 0.15s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Form controls */
.form-control {
    border-radius: 8px;
    border: 1px solid #ced4da;
    padding: 0.5rem 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(95, 176, 255, 0.25);
}

/* Navbar customization */
.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #ffffff;
}

/* Default layout navbar: light blue background */
:root { --default-navbar-bg: #005eff; }
[data-bs-theme="dark"] { --default-navbar-bg: #1b2f4b; }

.default-navbar {
    background-color: var(--default-navbar-bg) !important;
    border-bottom: 1px solid var(--bs-border-color);
}

.default-navbar .navbar-brand,
.default-navbar .nav-link {
    color: #fff !important;
}

.default-navbar .nav-link:hover {
    color: var(--bs-link-hover-color, var(--bs-body-color)) !important;
}

.default-navbar .navbar-toggler { border-color: rgba(255,255,255,.5); }
[data-bs-theme="dark"] .default-navbar .navbar-toggler { border-color: rgba(255,255,255,.7); }

/* Exam specific styles */
.question-card {
    margin-bottom: 1.5rem;
}

.timer-display {
    font-size: 1.2rem;
    font-weight: bold;
}

/* Exam option styles: soft rounded border and hover */
.option-item {
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bs-body-bg);
    transition: background-color 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    cursor: pointer;
}
.option-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.12rem rgba(95, 176, 255, 0.25);
}
.option-item .form-check-input {
    margin-inline-start: 0.25rem;
}
/* Blue flash when selecting an option */
.option-item.flash {
    animation: flashBlue 600ms ease-out;
}
@keyframes flashBlue {
    0% { background-color: rgba(95, 176, 255, 0.35); }
    100% { background-color: transparent; }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* RTL specific adjustments */
[dir="rtl"] .dropdown-menu {
    text-align: right;
}

[dir="rtl"] .form-check {
    padding-right: 1.25rem;
    padding-left: 0;
}

[dir="rtl"] .form-check-input {
    margin-right: -1.25rem;
    margin-left: 0;
}

/* Admin dashboard styles */
.sidebar {
    min-height: calc(100vh - 56px);
    background-color: var(--dark-color);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 0.75rem 1rem;
    border-radius: 5px;
    margin: 0.2rem 0;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link i {
    margin-left: 0.5rem;
}

/* Results and statistics */
.result-summary {
    background-color: var(--light-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.progress {
    height: 1rem;
    border-radius: 0.5rem;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* MathJax rendering inside RTL pages */
/* Prevent mirrored symbols and wrong ordering under RTL containers */
mjx-container {
    direction: ltr;
    unicode-bidi: isolate;
}

/* Keep block equations aligned properly in RTL context */
[dir="rtl"] mjx-container[display="true"] {
    text-align: right;
}

/* Exam page responsive header */
.exam-header { gap: .5rem; }
.exam-badges { display: flex; flex-wrap: wrap; gap: .375rem; }
.exam-badges .badge { font-size: .9rem; }
@media (max-width: 576px) {
  .exam-header { flex-direction: column; align-items: flex-start !important; }
  .exam-badges .badge { font-size: .75rem; padding: .35rem .5rem; }
  .exam-badges .form-check { margin-inline-end: .5rem; }
  .option-item .form-check-input { transform: scale(1.2); }
}

/* رأس المادة الكبير */
.subject-header-title {
  font-weight: 800;
  font-size: 4rem;
  line-height: 1.1;
  text-align: center;
  color: var(--bs-body-color);
}

/* شاشة ذكية ثابتة لعرض رقم كبير */
.smart-metric {
  background: var(--bs-light-bg-subtle, #f8f9fa);
  border: 1px solid var(--bs-border-color);
  border-radius: .75rem;
  min-height: 180px;
  height: 100%;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: .25rem;
}
.smart-metric .smart-label {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 1.25rem;
}
.smart-metric .smart-value {
  color: var(--bs-primary, #0d6efd);
  font-weight: 800;
  font-size: 3rem;
}

/* دوران إحصائيات المادة */
.stats-rotator {
  position: relative;
  min-height: 120px;
}
.stats-rotator .stats-item {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s ease, transform .4s ease;
}
.stats-rotator .stats-item.active {
  opacity: 1;
  transform: translateY(0);
}
.stats-rotator .label {
  color: var(--bs-secondary-color, #6c757d);
  font-size: 1rem;
  font-weight: 600;
}
.stats-rotator .value {
  color: var(--bs-primary, #0d6efd);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.1;
  text-decoration: none;
}

/* Library viewer responsive PDF container */
.pdf-container { width: 100%; }
.pdf-frame {
  width: 100%;
  height: 72vh; /* large enough for desktop */
  border: 1px solid var(--bs-border-color);
  border-radius: 6px;
  background: var(--bs-body-bg);
}
@media (max-width: 992px) {
  .pdf-frame { height: 68vh; }
}
@media (max-width: 576px) {
  .pdf-frame { height: 75vh; }
}

/* Marketing Homepage Styles */
.marketing-home { --mk-primary: #3A8DFF; --mk-gray: #F5F6FA; }

.marketing-home .section { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color); border-radius: 12px; box-shadow: 0 4px 8px rgba(0,0,0,0.05); padding: 2rem; margin-bottom: 1.5rem; }

/* Hero */
.marketing-home .hero {
  background: radial-gradient(1200px 300px at 90% -50%, rgba(58,141,255,.15), transparent),
              radial-gradient(800px 280px at 10% -60%, rgba(245,246,250,.9), transparent),
              linear-gradient(180deg, var(--mk-gray), #ffffff);
  border: none; border-radius: 16px; padding: 3rem 2rem;
}
.marketing-home .hero-title { font-weight: 800; color: var(--bs-body-color); }
.marketing-home .hero-sub { color: var(--bs-secondary-color); }
.marketing-home .hero .btn-primary { background-color: var(--mk-primary); border-color: var(--mk-primary); }
.marketing-home .hero .btn-primary:hover { filter: brightness(1.05); transform: translateY(-1px); }

/* Features */
.marketing-home .feature-card { border-radius: 12px; border: 1px solid var(--bs-border-color); background: var(--bs-body-bg); transition: transform .2s ease, box-shadow .2s ease; }
.marketing-home .feature-card:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); }
.marketing-home .feature-icon { color: var(--mk-primary); }

/* Stats */
.marketing-home .stat-card { background: var(--mk-gray); border: 1px solid var(--bs-border-color); border-radius: 12px; padding: 1.5rem; }
.marketing-home .stat-value { font-weight: 800; font-size: 2rem; color: var(--mk-primary); }
.marketing-home .stat-label { color: var(--bs-secondary-color); }

/* CTA */
.marketing-home .cta-section { background: linear-gradient(180deg, var(--mk-gray), #fff); border-radius: 16px; padding: 2rem; }
.marketing-home .btn-cta { background-color: var(--mk-primary); border-color: var(--mk-primary); color: #fff; border-radius: 12px; padding: .75rem 1.25rem; box-shadow: 0 4px 8px rgba(0,0,0,0.05); transition: transform .15s ease, box-shadow .15s ease; }
.marketing-home .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 16px rgba(0,0,0,0.08); }

/* Social */
.marketing-home .social-links a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: #e7eaf0; color: #7b8090; margin-inline-start: .5rem; transition: background .2s ease, color .2s ease, transform .2s ease; }
.marketing-home .social-links a:hover { background: var(--mk-gray); color: var(--mk-primary); transform: translateY(-2px); }

/* Reveal on scroll */
.marketing-home .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.marketing-home .reveal.reveal-in { opacity: 1; transform: translateY(0); }

/* Mobile tweaks */
@media (max-width: 576px) {
  .marketing-home .hero { padding: 2rem 1rem; }
  .marketing-home .hero-title { font-size: 1.8rem; }
}
/* Contact page styles */
.contact-page {
  padding: 60px 0;
  font-family: 'Cairo', 'Tajawal', sans-serif;
}
.contact-page .card { border-radius: 12px; }
.contact-page .btn-primary {
  background-color: #3A8DFF;
  border-color: #3A8DFF;
  box-shadow: none;
  transition: transform .1s ease, box-shadow .2s ease, filter .2s ease;
}
.contact-page .btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 8px 20px rgba(58,141,255,.25);
}
.social-icon { color: #A1A8B3; transition: color .2s ease, transform .1s ease; }
.social-icon:hover { color: #3A8DFF; transform: translateY(-2px); }

/* Soft fade-in on scroll */
.fade-item { opacity: 0; transform: translateY(12px); transition: opacity .6s ease, transform .6s ease; }
.fade-item.fade-in { opacity: 1; transform: none; }
.about-page .card,
.about-page .rounded-4,
.about-page .shadow-sm {
  border-radius: 12px !important;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05) !important;
}

.about-page .social-icon:hover { color: #3A8DFF !important; }

/* تدرج ألوان هادئ */
.about-page { background-color: #F5F6FA; }

/* حركة دخول بسيطة عند التمرير */
.fade-item { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
.fade-in { opacity: 1 !important; transform: translateY(0) !important; }

/* ألوان رئيسية */
.about-page h1,
.about-page h2 { color: #3A8DFF; }

/* عدادات */
.counter { font-size: 1.6rem; font-weight: 700; color: #3A8DFF; }