/* ============================================
   BULUGH AL-MARAM — LAYOUT
   Core structural styles (RTL-first)
   ============================================ */

/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  background-color: var(--bg-deep);
  color: var(--text-primary);
  direction: rtl;
  line-height: var(--line-height-ui);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Ambient background effects */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
body::before {
  background: var(--ambient-1), var(--ambient-2);
}
body::after {
  background: var(--ambient-3);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ── App Shell ── */
#app {
  position: relative;
  z-index: var(--z-base);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: max-content;
  max-width: 95%;
  height: var(--navbar-height);
  z-index: var(--z-navbar);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--glass-shadow);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-primary);
  flex-shrink: 0;
}

.navbar__logo-icon {
  width: 120px;
  height: 48px;
  display: block;
  color: var(--color-logo, var(--color-primary)); /* SVG fill="currentColor" */
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-right: var(--space-4);
}

.navbar__link {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-ui);
}

.navbar__link:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.navbar__link--active {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.navbar__spacer {
  flex: 1;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ── Main Content ── */
.main-content {
  flex: 1;
  padding-top: calc(var(--navbar-height) + var(--space-10));
  padding-bottom: var(--space-8);
  padding-left: var(--space-6);
  padding-right: var(--space-6);
  width: 100%;
  max-width: calc(var(--content-max-width) + var(--space-12));
  margin: 0 auto;
}

/* ── Views ── */
.view {
  display: none;
  animation: viewFadeIn 0.35s ease-out;
}

.view--active {
  display: block;
}

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Sharh Drawer ── */
.sharh-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--drawer-width);
  height: 100vh;
  z-index: var(--z-drawer);
  background: var(--glass-bg-solid);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  box-shadow: 4px 0 32px rgba(0, 0, 0, 0.2);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sharh-drawer--open {
  transform: translateX(0);
}

.sharh-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.sharh-overlay--visible {
  opacity: 1;
  pointer-events: all;
}

/* ── Search Modal ── */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.search-modal--open {
  opacity: 1;
  pointer-events: all;
}

.search-modal__container {
  width: 90%;
  max-width: 600px;
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(-10px) scale(0.98);
  transition: transform var(--transition-base);
}

.search-modal--open .search-modal__container {
  transform: translateY(0) scale(1);
}

/* ── Page Headers ── */
.page-header {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

.page-header__title {
  font-family: var(--font-arabic);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.page-header__subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ── Loading State ── */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  gap: var(--space-6);
  transition: opacity 0.6s ease;
}

.loading-screen--hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-screen__title {
  font-family: var(--font-arabic);
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.loading-screen__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  :root {
    --navbar-height: 56px;
    --content-max-width: 100%;
  }

  .navbar {
    padding: 0 var(--space-4);
    gap: var(--space-2);
  }

  .navbar__nav {
    display: none;
  }

  .navbar__nav--mobile-open {
    display: flex;
    position: fixed;
    top: calc(var(--navbar-height) + var(--space-4) + var(--space-2));
    right: var(--space-4);
    left: var(--space-4);
    flex-direction: column;
    background: var(--glass-bg-solid);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    z-index: var(--z-navbar);
  }

  .main-content {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .sharh-drawer {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-hadith: 1.2rem;
  }
  
  .main-content {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}