/* ========================================
   LAYOUT - NAVBAR, CONTAINERS, GRID SYSTEMS
   ======================================== */

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
  background: var(--primary-gradient);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  padding: 0;
  height: 50px;
  transition: var(--transition-normal);
  z-index: var(--z-fixed);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  pointer-events: auto;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.navbar.navbar-expand-lg.navbar-dark {
  background: var(--primary-gradient);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
  padding: 0;
  transition: var(--transition-normal);
  z-index: var(--z-fixed);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  pointer-events: auto;
  overflow: hidden;
}

.navbar .container {
  pointer-events: auto;
}

.navbar-nav {
  pointer-events: auto;
}

.navbar-nav .nav-item {
  pointer-events: auto;
}

.navbar .container-fluid {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: var(--spacing-sm) var(--spacing-lg);
  overflow: hidden;
}

.navbar-header {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  overflow: hidden;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--white);
}

.navbar-user i {
  font-size: var(--font-size-lg);
}

.navbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  color: var(--white);
  text-decoration: none;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
  height: 50px;
  line-height: 1;
  position: relative;
  top: 0;
  cursor: pointer;
  z-index: var(--z-modal);
  pointer-events: auto;
}

.navbar-brand:hover {
  color: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.navbar-brand i {
  margin-right: var(--spacing-sm);
  font-size: var(--font-size-2xl);
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: 0 var(--spacing-xs);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  cursor: pointer;
  z-index: var(--z-modal);
  pointer-events: auto;
}

.navbar-nav .nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.navbar-nav .nav-link:focus {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  margin: 0 var(--spacing-xs);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  cursor: pointer;
  z-index: var(--z-modal);
  pointer-events: auto;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.navbar-dark .navbar-nav .nav-link:focus {
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
}

/* ========================================
   OFFCANVAS MENU
   ======================================== */

.offcanvas-menu-toggle {
  position: fixed;
  top: 7px;
  right: var(--spacing-lg);
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  max-width: 36px;
  max-height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  color: var(--white);
  font-size: var(--font-size-lg);
  cursor: pointer;
  z-index: var(--z-offcanvas);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  pointer-events: auto;
}

.offcanvas-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

.offcanvas-menu-toggle:focus {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.offcanvas-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: var(--bg-primary);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
  z-index: var(--z-offcanvas);
  transform: translateX(100%);
  transition: var(--transition-normal);
  overflow-y: auto;
}

.offcanvas-menu.show {
  transform: translateX(0);
}

.offcanvas-menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  transition: var(--transition-normal);
  pointer-events: none;
}

.offcanvas-menu-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.offcanvas-menu-header {
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--primary-gradient);
  color: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.offcanvas-menu-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.offcanvas-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.offcanvas-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition-fast);
  min-height: 44px;
}

.offcanvas-menu-item:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.offcanvas-menu-item:focus {
  background-color: var(--bg-secondary);
  outline: 2px solid var(--primary-color);
  outline-offset: -2px;
}

.offcanvas-menu-item i {
  font-size: var(--font-size-lg);
  width: 20px;
  text-align: center;
}

.offcanvas-menu-button {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.offcanvas-menu-divider {
  height: 1px;
  background-color: var(--gray-200);
  margin: var(--spacing-md) 0;
}

.offcanvas-menu-language {
  padding: var(--spacing-md);
  border-top: 1px solid var(--gray-200);
}

.offcanvas-menu-language-select {
  width: 100%;
  min-height: 44px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-md);
  background-color: var(--bg-primary);
  font-size: var(--font-size-sm);
}

/* ========================================
   CONTAINERS & GRID
   ======================================== */

.container {
  width: 100%;
  padding-right: var(--spacing-md);
  padding-left: var(--spacing-md);
  margin-right: auto;
  margin-left: auto;
}

@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: calc(var(--spacing-sm) * -0.5);
  margin-left: calc(var(--spacing-sm) * -0.5);
}

.col {
  flex: 1 0 0%;
}

.col-1 { flex: 0 0 8.333333%; }
.col-2 { flex: 0 0 16.666667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333333%; }
.col-5 { flex: 0 0 41.666667%; }
.col-6 { flex: 0 0 50%; }
.col-7 { flex: 0 0 58.333333%; }
.col-8 { flex: 0 0 66.666667%; }
.col-9 { flex: 0 0 75%; }
.col-10 { flex: 0 0 83.333333%; }
.col-11 { flex: 0 0 91.666667%; }
.col-12 { flex: 0 0 100%; }

@media (min-width: 576px) {
  .col-sm-1 { flex: 0 0 8.333333%; }
  .col-sm-2 { flex: 0 0 16.666667%; }
  .col-sm-3 { flex: 0 0 25%; }
  .col-sm-4 { flex: 0 0 33.333333%; }
  .col-sm-5 { flex: 0 0 41.666667%; }
  .col-sm-6 { flex: 0 0 50%; }
  .col-sm-7 { flex: 0 0 58.333333%; }
  .col-sm-8 { flex: 0 0 66.666667%; }
  .col-sm-9 { flex: 0 0 75%; }
  .col-sm-10 { flex: 0 0 83.333333%; }
  .col-sm-11 { flex: 0 0 91.666667%; }
  .col-sm-12 { flex: 0 0 100%; }
}

@media (min-width: 768px) {
  .col-md-1 { flex: 0 0 8.333333%; }
  .col-md-2 { flex: 0 0 16.666667%; }
  .col-md-3 { flex: 0 0 25%; }
  .col-md-4 { flex: 0 0 33.333333%; }
  .col-md-5 { flex: 0 0 41.666667%; }
  .col-md-6 { flex: 0 0 50%; }
  .col-md-7 { flex: 0 0 58.333333%; }
  .col-md-8 { flex: 0 0 66.666667%; }
  .col-md-9 { flex: 0 0 75%; }
  .col-md-10 { flex: 0 0 83.333333%; }
  .col-md-11 { flex: 0 0 91.666667%; }
  .col-md-12 { flex: 0 0 100%; }
}

@media (min-width: 992px) {
  .col-lg-1 { flex: 0 0 8.333333%; }
  .col-lg-2 { flex: 0 0 16.666667%; }
  .col-lg-3 { flex: 0 0 25%; }
  .col-lg-4 { flex: 0 0 33.333333%; }
  .col-lg-5 { flex: 0 0 41.666667%; }
  .col-lg-6 { flex: 0 0 50%; }
  .col-lg-7 { flex: 0 0 58.333333%; }
  .col-lg-8 { flex: 0 0 66.666667%; }
  .col-lg-9 { flex: 0 0 75%; }
  .col-lg-10 { flex: 0 0 83.333333%; }
  .col-lg-11 { flex: 0 0 91.666667%; }
  .col-lg-12 { flex: 0 0 100%; }
}

[class*="col-"] {
  padding-right: calc(var(--spacing-sm) * 0.5);
  padding-left: calc(var(--spacing-sm) * 0.5);
}

/* ========================================
   SPACING UTILITIES
   ======================================== */

.g-0 { --bs-gutter-x: 0; --bs-gutter-y: 0; }
.g-1 { --bs-gutter-x: 0.25rem; --bs-gutter-y: 0.25rem; }
.g-2 { --bs-gutter-x: 0.5rem; --bs-gutter-y: 0.5rem; }
.g-3 { --bs-gutter-x: 1rem; --bs-gutter-y: 1rem; }
.g-4 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }
.g-5 { --bs-gutter-x: 3rem; --bs-gutter-y: 3rem; }

.row > * {
  padding-right: calc(var(--bs-gutter-x) * 0.5);
  padding-left: calc(var(--bs-gutter-x) * 0.5);
  margin-top: var(--bs-gutter-y);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.me-1 { margin-right: var(--spacing-xs); }
.me-2 { margin-right: var(--spacing-sm); }
.me-3 { margin-right: var(--spacing-md); }

.ms-1 { margin-left: var(--spacing-xs); }
.ms-2 { margin-left: var(--spacing-sm); }
.ms-3 { margin-left: var(--spacing-md); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-md-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

/* ========================================
   FLEXBOX UTILITIES
   ======================================== */

.d-flex { display: flex; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }

.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-baseline { align-items: baseline; }
.align-items-stretch { align-items: stretch; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-info { color: var(--info-color); }

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

/* Desktop-only and mobile-only utility classes */
.desktop-only { 
  display: none; 
}

.mobile-only { 
  display: inline; 
}

@media (min-width: 992px) {
  .desktop-only { 
    display: flex; 
  }
  
  .mobile-only { 
    display: none; 
  }
}

/* Mobile-specific navbar adjustments */
@media (max-width: 768px) {
  .navbar {
    padding: 0;
    height: 50px;
    display: flex;
    align-items: center;
  }
  
  .navbar .container-fluid {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .navbar-brand {
    font-size: var(--font-size-base);
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 50px;
    position: relative;
    top: 0;
  }
  
  .navbar-user {
    font-size: var(--font-size-sm);
  }
  
  .offcanvas-menu-toggle {
    top: 7px;
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    max-width: 36px;
    max-height: 36px;
  }
  
  .offcanvas-menu {
    width: 100%;
  }
  
  .offcanvas-menu-header {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .offcanvas-menu-brand {
    font-size: var(--font-size-xl);
  }
  
  .offcanvas-menu-item {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 44px;
  }
  
  .offcanvas-menu-language {
    padding: var(--spacing-md);
  }
  
  .offcanvas-menu-language-select {
    min-height: 44px;
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 576px) {
  .navbar {
    padding: 0;
    height: 50px;
    display: flex;
    align-items: center;
  }
  
  .navbar .container-fluid {
    padding: var(--spacing-sm) var(--spacing-sm);
  }
  
  .navbar-brand {
    font-size: var(--font-size-base);
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 50px;
    position: relative;
    top: 0;
  }
  
  .navbar-user {
    font-size: var(--font-size-sm);
  }
  
  .offcanvas-menu-toggle {
    top: 7px;
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    max-width: 36px;
    max-height: 36px;
  }
  
  .offcanvas-menu-item {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 40px;
  }
  
  .offcanvas-menu-language-select {
    min-height: 40px;
    font-size: var(--font-size-sm);
  }
}

/* ========================================
   MAIN CONTENT
   ======================================== */

main {
  flex: 1 0 auto;
  padding-top: 50px; /* Account for fixed navbar */
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background-color: var(--bg-secondary);
  margin-top: auto;
  border-top: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
}

@media (max-width: 576px) {
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .footer-link {
    font-size: var(--font-size-xs);
  }
}