/**
 * 🧭 تخطيط الهيكل وشريط التنقل - منصة أرشدني
 * Layout, Header/Navbar, Sections, and Footer
 */

/* Baseline Body Fallback */
body {
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  min-height: 100vh;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  position: relative;
  z-index: 1;
}

.container-wide {
  max-width: var(--container-wide);
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* ==========================================================================
   رابط التخطي للمحتوى الرئيسي (Accessibility Skip Link - WCAG 2.1 AA)
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -9999px;
  right: var(--space-4);
  background: var(--color-gold);
  color: var(--color-bg-deep);
  font-weight: var(--weight-bold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 99999;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  transition: top var(--transition-fast) ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: var(--space-4);
  outline: 3px solid var(--color-cyan);
}

/* ==========================================================================
   الشريط العلوي الفاخر (Topbar / Navbar) - نظام ملاحة فائق التطور
   ========================================================================== */
.topbar {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: var(--z-navbar);
  background: rgba(7, 11, 25, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: all var(--transition-normal);
}

.topbar.scrolled {
  background: rgba(7, 11, 25, 0.97);
  border-bottom-color: rgba(245, 158, 11, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55), 0 0 20px rgba(245, 158, 11, 0.05);
}

.topbar.menu-open {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  background: rgba(7, 11, 25, 0.98) !important;
  border-bottom-color: var(--border-gold);
}

body.nav-menu-open {
  overflow: hidden !important;
}

.topbar .container {
  max-width: 100% !important;
  width: 100%;
  padding-left: clamp(1rem, 2vw, 2.5rem);
  padding-right: clamp(1rem, 2vw, 2.5rem);
  box-sizing: border-box;
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: clamp(8px, 1.2vw, 16px);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Brand / Logo Lockup */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  filter: drop-shadow(0 0 10px rgba(245, 158, 11, 0.5));
  transition: transform var(--transition-smooth);
}

.brand:hover .brand-logo-img {
  transform: rotate(20deg) scale(1.08);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  font-family: 'Readex Pro', 'Cairo', sans-serif;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #FFFFFF 40%, var(--color-gold-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.15;
}

.brand-tagline {
  font-size: 0.68rem;
  color: var(--color-cyan-light);
  font-weight: 500;
  letter-spacing: 0.2px;
  opacity: 0.9;
  white-space: nowrap;
}

/* Navigation Links - Centered Floating Capsule Dock (كابسولة الملاحة العائمة) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 3px 5px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  flex-shrink: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0.35rem 0.62rem;
  font-size: 0.81rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.07);
}

.nav-link.active {
  color: var(--color-gold-light);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.12));
  border-color: rgba(245, 158, 11, 0.35);
  font-weight: 700;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.2);
}

/* Topbar Actions / Buttons */
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* زر منصة الشيمي الخاصة */
.btn-founder {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 0.8rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-gold-light);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-founder:hover {
  color: #FFFFFF;
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--color-gold-light);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.btn-founder .founder-badge {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-gold);
  box-shadow: 0 0 8px var(--color-gold);
  animation: pulseBeacon 2s infinite;
}

@keyframes pulseBeacon {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

/* ضبط متناسق لأزرار الشريط العلوي كـ Pills متناسقة */
.topbar .btn-primary,
.topbar .btn-outline {
  height: 38px;
  padding: 0 1.15rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.topbar .btn-primary {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  color: #0F172A;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.3);
}

.topbar .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.45);
}

.topbar .btn-outline {
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--color-text-main);
  background: rgba(255, 255, 255, 0.04);
}

.topbar .btn-outline:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
  transform: translateY(-1px);
}

/* زر القائمة للشاشات الذكية (Mobile/Tablet Toggle) */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.mobile-toggle:hover, .mobile-toggle.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--border-gold);
  color: var(--color-gold-light);
}

@keyframes drawerSlideDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   أقسام الصفحة (Sections)
   ========================================================================== */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
  z-index: 1;
}

.section-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-20);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-12);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 1rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-pill);
  background: rgba(14, 165, 233, 0.1);
  color: var(--color-cyan-light);
  border: 1px solid var(--border-cyan);
  margin-bottom: var(--space-4);
  letter-spacing: 0.5px;
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-black);
  margin-bottom: var(--space-4);
  background: linear-gradient(180deg, #FFFFFF 40%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}

/* ==========================================================================
   أنظمة الشبكات (Grid Systems)
   ========================================================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

/* ==========================================================================
   التذييل الفاخر (Footer)
   ========================================================================== */
.footer {
  background: var(--color-bg-deep);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-16);
  padding-bottom: var(--space-10);
  margin-top: var(--space-20);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-col h4 {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-main);
  margin-bottom: var(--space-4);
}

.footer-col p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-gold-light);
  transform: translateX(-4px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ==========================================================================
   التجاوب مع الشاشات المختلفة (Responsive Media Queries)
   ========================================================================== */

/* وضع اللابتوب والشاشات المتوسطة (Compact Desktop: 1241px - 1480px) */
@media (max-width: 1480px) and (min-width: 1241px) {
  .brand-tagline {
    display: none;
  }
  .nav-link {
    padding: 0.32rem 0.52rem;
    font-size: 0.78rem;
  }
  .btn-founder .founder-text {
    display: none;
  }
  .btn-founder {
    padding: 0 0.65rem;
  }
  .topbar-cmd-kbd {
    display: none;
  }
  .topbar #printBtn span:last-child {
    display: none;
  }
  .topbar #printBtn {
    padding: 0 0.65rem;
  }
  .focus-queue-btn span:nth-child(2) {
    display: none;
  }
  .family-switcher-name {
    max-width: 85px;
  }
}

/* نقطة انكسار التابلت والشاشات الذكية (Tablet & Mobile Breakpoint: 1240px) */
@media (max-width: 1240px) {
  .topbar-content {
    height: 68px;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    width: 100vw;
    width: 100dvw;
    height: calc(100vh - 68px);
    height: calc(100dvh - 68px);
    max-height: calc(100vh - 68px);
    max-height: calc(100dvh - 68px);
    background: rgba(7, 11, 25, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 3px solid var(--color-gold);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-3);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 99999;
    border-radius: 0;
    box-shadow: var(--shadow-xl);
    box-sizing: border-box;
  }

  .nav-menu.open {
    display: flex !important;
    animation: drawerSlideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .nav-menu .nav-link {
    width: 100%;
    padding: 0.9rem 1.25rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-main);
  }

  .nav-menu .nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
  }

  .nav-menu .nav-link.active {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(217, 119, 6, 0.1));
    border-color: var(--border-gold);
    color: var(--color-gold-light);
  }

  .nav-menu .nav-link::after {
    content: "←";
    font-size: 1.2rem;
    opacity: 0.5;
    transition: transform var(--transition-fast);
  }

  .nav-menu .nav-link:hover::after,
  .nav-menu .nav-link.active::after {
    transform: translateX(-4px);
    opacity: 1;
    color: var(--color-gold-light);
  }

  .mobile-toggle {
    display: flex;
  }

  .brand-tagline {
    display: none;
  }

  .btn-founder .founder-text {
    display: none;
  }

  .btn-founder {
    padding: 0 0.65rem;
  }

  .topbar-cmd-kbd {
    display: none;
  }

  .topbar #printBtn {
    display: none;
  }

  .focus-queue-btn span:nth-child(2) {
    display: none;
  }

  .family-switcher-name {
    max-width: 80px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

/* نقطة انكسار التابلت والشاشات الذكية (Tablet & Mobile: <= 768px) */
@media (max-width: 768px) {
  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-hero {
    padding-top: var(--space-12);
    padding-bottom: var(--space-16);
  }

  .section-title {
    font-size: var(--text-3xl);
  }

  .section-desc {
    font-size: var(--text-base);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .tab-list {
    overflow-x: auto;
    padding-bottom: var(--space-2);
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  /* الشريط العلوي فائق التناسق مع الشاشات الضيقة */
  .topbar .container {
    padding-left: 12px !important;
    padding-right: 12px !important;
  }

  .topbar-content {
    height: 60px;
    gap: 6px;
  }

  .nav-menu {
    top: 60px;
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    max-height: calc(100vh - 60px);
    max-height: calc(100dvh - 60px);
    padding: var(--space-5) var(--space-4);
  }

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

  .brand-name {
    font-size: 1.15rem;
  }

  .topbar-actions {
    gap: 5px;
  }

  .family-switcher-btn {
    height: 32px;
    width: 32px;
    padding: 0 !important;
    justify-content: center;
    border-radius: 50% !important;
  }

  .family-switcher-name,
  .family-switcher-arrow {
    display: none !important;
  }

  .family-switcher-avatar {
    margin: 0;
    width: 26px;
    height: 26px;
    font-size: 0.72rem;
  }

  .topbar-cmd-btn {
    height: 32px;
    width: 32px;
    padding: 0 !important;
    justify-content: center;
    border-radius: 50% !important;
  }

  .topbar-cmd-btn span:not(:first-child),
  .topbar-cmd-kbd {
    display: none !important;
  }

  .btn-founder {
    display: none !important;
  }

  .focus-queue-btn {
    height: 32px;
    padding: 0 6px !important;
    font-size: 0.75rem;
    gap: 3px;
  }

  .focus-queue-btn span:nth-child(2) {
    display: none !important;
  }

  .mobile-toggle {
    width: 34px;
    height: 34px;
  }

  .topbar .btn-primary,
  .topbar #printBtn {
    display: none !important;
  }
}

/* شاشات الهواتف الصغيرة والضيقة (Mobile: <= 480px) */
@media (max-width: 480px) {
  .topbar-content {
    gap: 4px;
  }

  .brand {
    gap: 6px;
  }

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

  .focus-queue-btn {
    display: none !important;
  }

  .section-title {
    font-size: var(--text-2xl);
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   شريط التنقل السفلي للأجهزة الذكية (Mobile Bottom Dock Navigation)
   ========================================================================== */
.mobile-bottom-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(11, 17, 33, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-gold);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(245, 158, 11, 0.1);
  z-index: 999;
  justify-content: space-around;
  align-items: center;
  padding: 0 var(--space-2);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  min-width: 52px;
}

.dock-icon {
  font-size: 1.15rem;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.dock-item:hover,
.dock-item:focus {
  color: var(--color-gold-light);
}

.dock-item.active {
  color: var(--color-gold-light);
  font-weight: 700;
}

.dock-item.active .dock-icon {
  transform: scale(1.15) translateY(-1px);
}

@media (max-width: 768px) {
  .mobile-bottom-dock {
    display: flex;
  }
  body {
    padding-bottom: 74px !important;
  }
}

/* ==========================================================================
   تحسينات الطباعة والتصدير الورقي (Print Stylesheet Standard)
   ========================================================================== */
@media print {
  #mainTopbar,
  .mobile-bottom-dock,
  .btn-founder,
  .family-switcher-wrapper,
  .mobile-toggle,
  .toast-container,
  .btn,
  button,
  .dimension-tabs,
  .search-filter-card,
  .breadcrumbs {
    display: none !important;
  }

  body {
    background: #FFFFFF !important;
    color: #0F172A !important;
    padding: 0 !important;
    font-size: 11pt !important;
  }

  .card {
    background: #FFFFFF !important;
    border: 1px solid #CBD5E1 !important;
    color: #0F172A !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .section-title, h1, h2, h3 {
    color: #0F172A !important;
  }

  .badge {
    border: 1px solid #94A3B8 !important;
    color: #0F172A !important;
    background: #F1F5F9 !important;
  }
}