/* ==========================================================================
   Wishy Layout System
   Modern SaaS-style layouts for Light & Dark Theme
   ========================================================================== */

/* ==========================================================================
   BASE LAYOUT
   ========================================================================== */

html {
  height: 100%;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100%;
  margin: 0;
  background-color: var(--color-surface-base);
  color: var(--color-text-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-surface-raised);
  border-bottom: var(--border-1) solid var(--color-border-muted);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background-color: rgb(255 255 255 / 0.8);
}

.dark .navbar {
  background-color: rgb(15 23 42 / 0.8);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.navbar-brand:hover {
  opacity: 0.8;
}

.navbar-logo {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-xl);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-bold);
  box-shadow: var(--shadow-primary);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav a,
.navbar-nav button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.navbar-nav a:hover,
.navbar-nav button:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.navbar-nav a.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
}

.dark .navbar-nav a.active {
  background-color: var(--color-primary-900);
  color: var(--color-primary-300);
}

/* Mobile Menu Toggle */
.navbar-toggle {
  display: none;
  padding: 0.5rem;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: var(--radius-lg);
}

.navbar-toggle:hover {
  background-color: var(--color-surface-hover);
}

@media (max-width: 768px) {
  .navbar-toggle {
    display: flex;
  }
  
  .navbar-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-surface-raised);
    border-bottom: var(--border-1) solid var(--color-border-muted);
    padding: 1rem;
    gap: 0.25rem;
    display: none;
  }
  
  .navbar-nav.show {
    display: flex;
  }
  
  .navbar-nav a,
  .navbar-nav button {
    width: 100%;
    justify-content: flex-start;
  }
}

/* ==========================================================================
   SIDEBAR LAYOUT
   ========================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 16rem;
  background-color: var(--color-surface-raised);
  border-right: var(--border-1) solid var(--color-border-muted);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  margin-bottom: 2rem;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.sidebar-nav a:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.sidebar-nav a.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: var(--font-semibold);
}

.dark .sidebar-nav a.active {
  background-color: var(--color-primary-900);
  color: var(--color-primary-300);
}

.dark.zinc .sidebar-nav a.active {
  background-color: #27272A;
  color: var(--color-text-primary);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: var(--border-1) solid var(--color-border-muted);
}

.main-content {
  flex: 1;
  background-color: var(--color-surface-base);
  overflow-x: hidden;
}

@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    left: -16rem;
    z-index: var(--z-fixed);
    transition: left var(--transition-base);
  }
  
  .sidebar.show {
    left: 0;
  }
  
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgb(0 0 0 / 0.5);
    z-index: calc(var(--z-fixed) - 1);
    display: none;
  }
  
  .sidebar-overlay.show {
    display: block;
  }
}

/* ==========================================================================
   CONTAINER & CONTENT WRAPPERS
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

.container-xl {
  max-width: 1280px;
}

.content-wrapper {
  padding: 2rem 1.5rem;
}

@media (min-width: 768px) {
  .content-wrapper {
    padding: 3rem 2rem;
  }
}

@media (min-width: 1024px) {
  .content-wrapper {
    padding: 4rem 3rem;
  }
}

/* ==========================================================================
   PAGE HEADERS
   ========================================================================== */

.page-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.page-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.025em;
}

.page-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin: 0.5rem 0 0 0;
  max-width: 48rem;
  line-height: var(--leading-relaxed);
}

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

@media (max-width: 640px) {
  .page-header {
    flex-direction: column;
  }
  
  .page-title {
    font-size: var(--text-2xl);
  }
  
  .page-actions {
    width: 100%;
  }
}

/* ==========================================================================
   SEARCH & FILTER BAR
   ========================================================================== */

.search-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface-raised);
  border: var(--border-1) solid var(--color-border-default);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-base);
}

.search-bar:focus-within {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px var(--ring-color);
}

@media (max-width: 640px) {
  .search-bar {
    flex-wrap: wrap;
  }
}

/* ==========================================================================
   STATS / METRICS CARDS
   ========================================================================== */

.stat-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--color-surface-raised);
  border: var(--border-1) solid var(--color-border-default);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-emphasis);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin: 0 0 0.25rem 0;
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin: 0;
  letter-spacing: -0.025em;
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-top: 0.5rem;
}

.stat-change-positive {
  color: var(--color-success-600);
}

.stat-change-negative {
  color: var(--color-error-600);
}

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

.footer {
  background-color: var(--color-surface-raised);
  border-top: var(--border-1) solid var(--color-border-muted);
  padding: 3rem 0;
  margin-top: auto;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: var(--border-1) solid var(--color-border-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background-color: var(--color-surface-hover);
  color: var(--color-text-primary);
}

/* ==========================================================================
   RESPONSIVE GRID
   ========================================================================== */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

@media (min-width: 640px) {
  .sm\\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .md\\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .md\\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .lg\\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .xl\\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .xl\\:grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}