/* NEXORA DR TEST — UI Components, Mode Cards, Header, Navigation & Modals */

/* Header & Global Navigation */
.nx-global-bar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 102;
  background: #000000;
  border-bottom: 1px solid rgba(196, 154, 16, 0.25);
  padding: 0.45rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nx-global-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.nx-header {
  position: sticky;
  top: 33px;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: var(--border-width) solid var(--nx-card-border);
  padding: 0.85rem 0;
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo-img {
  height: 28px;
  width: auto;
  mix-blend-mode: lighten;
  object-fit: contain;
}

.brand-divider {
  width: var(--border-width);
  height: 20px;
  background: var(--nx-gold-border);
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--nx-gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-xs);
  border: var(--border-width) solid var(--nx-card-border);
  background: var(--nx-near);
  color: var(--nx-ivory);
  transition: all 0.25s ease;
}

.lang-btn:hover {
  border-color: var(--nx-gold);
  color: var(--nx-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--nx-muted);
  transition: color 0.25s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--nx-ivory);
}

/* Primary & Secondary Buttons */
.btn-primary {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background: var(--nx-gold);
  color: var(--nx-black);
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.3s var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(196, 154, 16, 0.2);
}

.btn-primary:hover {
  background: var(--nx-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(196, 154, 16, 0.35);
}

.btn-secondary {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  background: var(--nx-near);
  color: var(--nx-ivory);
  border: var(--border-width) solid var(--nx-gold-border);
  padding: 0.85rem 1.7rem;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--nx-elevated);
  border-color: var(--nx-gold);
  color: var(--nx-gold);
}

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--nx-muted);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-xs);
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  color: var(--nx-ivory);
  background: var(--nx-near);
}

/* Hero Section */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  font-weight: 300;
}

.hero-title-accent {
  font-style: italic;
  color: var(--nx-gold);
  font-weight: 400;
}

.lang-ar .hero-title-accent {
  font-style: normal;
  color: var(--nx-gold-arabic);
}

.hero-subtitle {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Stat Grid */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.stat-card {
  background: var(--nx-near);
  border: var(--border-width) solid var(--nx-card-border);
  padding: 1.25rem 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: border-color 0.3s ease;
}

.stat-card:hover {
  border-color: var(--nx-gold-border);
}

.stat-value {
  font-family: var(--font-headline);
  font-size: 2.2rem;
  color: var(--nx-gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.lang-ar .stat-value {
  font-family: var(--font-arabic-heading);
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--nx-muted);
}

/* Exam Mode Cards Grid */
.modes-section {
  padding: 4rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.mode-card {
  background: var(--nx-near);
  border: var(--border-width) solid var(--nx-card-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.35s var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-align: left;
}

.lang-ar .mode-card {
  text-align: right;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--nx-gold), transparent);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.mode-card:hover {
  transform: translateY(-3px);
  border-color: var(--nx-gold-border);
  background: var(--nx-elevated);
  box-shadow: var(--shadow-elevation);
}

.mode-card:hover::before {
  opacity: 1;
}

.mode-badge {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--nx-gold);
  background: var(--nx-gold-surface);
  border: var(--border-width) solid var(--nx-gold-border);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-bottom: 1.25rem;
  align-self: flex-start;
}

.lang-ar .mode-badge {
  align-self: flex-start;
}

.mode-title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
  color: var(--nx-ivory);
}

.mode-desc {
  font-size: 0.875rem;
  color: var(--nx-muted);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.mode-cta {
  align-self: flex-start;
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--nx-near);
  border: var(--border-width) solid var(--nx-gold-border);
  border-radius: var(--radius-md);
  max-width: 480px;
  width: 100%;
  padding: 2.25rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
  text-align: center;
  transform: scale(0.95);
  transition: transform 0.3s var(--transition-smooth);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-title {
  font-size: 1.6rem;
  color: var(--nx-ivory);
  margin-bottom: 0.75rem;
}

.modal-body {
  font-size: 0.9rem;
  color: var(--nx-muted);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* Lightbox Image Viewer */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: var(--border-width) solid var(--nx-card-border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--nx-gold);
  letter-spacing: 0.1em;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--nx-muted);
  padding: 0.5rem 1rem;
  border: var(--border-width) solid var(--nx-card-border);
  border-radius: var(--radius-xs);
  transition: all 0.2s ease;
}

.lightbox-close:hover {
  color: var(--nx-ivory);
  border-color: var(--nx-gold);
}

/* Footer */
.nx-footer {
  margin-top: auto;
  border-top: var(--border-width) solid var(--nx-card-border);
  background: var(--nx-black);
  padding: 3rem 0 2rem;
  font-size: 0.8125rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}

.footer-disclaimer {
  max-width: 760px;
  color: var(--nx-dark-muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--nx-muted);
}

/* Ahmed Sami Suliman Hero Personalization Banner */
.hero-personalization-card {
  max-width: 480px;
  margin: 0 auto 2rem;
  padding: 1.25rem 2rem;
  background: var(--nx-near);
  border: var(--border-width) solid var(--nx-gold-border);
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.6), var(--glow-gold-subtle);
  position: relative;
  overflow: hidden;
}

.hero-personalization-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--nx-gold), transparent);
}

.personalization-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--nx-gold);
  margin-bottom: 0.35rem;
}

.lang-ar .personalization-label {
  font-family: var(--font-arabic-heading);
  letter-spacing: 0.1em;
}

.personalization-name {
  font-family: var(--font-headline);
  font-size: 1.85rem;
  font-weight: 600;
  color: var(--nx-ivory);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.lang-ar .personalization-name {
  font-family: var(--font-arabic-heading);
  font-size: 1.6rem;
}

.personalization-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--nx-muted);
}

.lang-ar .personalization-meta {
  font-family: var(--font-arabic-body);
  letter-spacing: 0.05em;
}

/* Top 30 Study Pack Interactive UI */
.study-pack-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.study-pack-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  background: var(--nx-near);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  border: var(--border-width) solid var(--nx-card-border);
}

.study-pack-filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-pill {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--nx-black);
  border: var(--border-width) solid var(--nx-card-border);
  color: var(--nx-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-pill:hover, .filter-pill.active {
  background: var(--nx-gold-surface);
  border-color: var(--nx-gold);
  color: var(--nx-gold);
}

.study-pack-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.study-card {
  background: var(--nx-near);
  border: var(--border-width) solid var(--nx-card-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.25s ease;
}

.study-card:hover {
  border-color: var(--nx-gold-border);
}

.study-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.study-card-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--nx-gold);
  letter-spacing: 0.15em;
}

.study-card-q {
  font-size: 1.15rem;
  color: var(--nx-ivory);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  font-weight: 400;
}

.study-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.study-opt-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-xs);
  background: var(--nx-black);
  border: var(--border-width) solid var(--nx-card-border);
  font-size: 0.9rem;
  color: var(--nx-muted);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.25s ease;
}

.study-opt-item.is-correct {
  background: var(--nx-pass-surface);
  border-color: var(--nx-pass-green);
  color: var(--nx-ivory);
}

.study-opt-item.is-correct .study-opt-marker {
  background: var(--nx-pass-green);
  color: #000000;
}

.study-opt-marker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.study-tip-box {
  background: var(--nx-gold-surface);
  border: var(--border-width) solid var(--nx-gold-border);
  border-radius: var(--radius-xs);
  padding: 0.75rem 1rem;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--nx-gold);
  line-height: 1.5;
}

.study-source-label {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--nx-dark-muted);
  text-align: right;
}

.lang-ar .study-source-label {
  text-align: left;
}

/* Dedicated Print Stylesheet */
@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
  }

  .nx-header, .nx-footer, .ambient-glow, .study-pack-controls, .hero-ctas, .btn-ghost, .stat-grid, .modes-section {
    display: none !important;
  }

  .study-card {
    background: #FFFFFF !important;
    border: 1px solid #CCCCCC !important;
    color: #000000 !important;
    page-break-inside: avoid;
    margin-bottom: 1.5rem;
  }

  .study-card-q {
    color: #000000 !important;
  }

  .study-opt-item {
    background: #F9F9F9 !important;
    border: 1px solid #DDDDDD !important;
    color: #000000 !important;
  }

  .study-opt-item.is-correct {
    background: #E6F4EA !important;
    border-color: #34A853 !important;
    font-weight: bold;
  }

  .study-tip-box {
    background: #FEF9E7 !important;
    border: 1px solid #F1C40F !important;
    color: #7D6608 !important;
  }
}