/* ============================================
   SOPHIE DASHBOARD - LAYOUT
   Navy & White Theme with Sidebar
   ============================================ */

/* ============================================
   GLOBAL RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
}

/* ============================================
   APP LAYOUT - Sidebar + Main
   ============================================ */

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

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

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-8);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: var(--z-index-sidebar);
}

.sidebar-header {
  margin-bottom: var(--space-12);
}

.sidebar-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.sidebar-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-300);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-gray-300);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
}

.sidebar-nav-item:hover {
  background-color: var(--color-navy-light);
  color: var(--color-white);
}

.sidebar-nav-item.active {
  background-color: var(--color-blue);
  color: var(--color-white);
}

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

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 0;
}

.content-header {
  background-color: var(--color-white);
  padding: var(--space-8);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.content-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-2);
}

.content-description {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
}

.content-body {
  padding: var(--space-8);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  margin-bottom: var(--space-12);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
}

.section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-top: var(--space-1);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.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-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

/* ============================================
   CALENDAR GRID
   ============================================ */

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-1);
}

.calendar-day-header {
  padding: var(--space-2);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */

@media (max-width: 1024px) {
  .sidebar {
    width: 240px;
  }

  .main-content {
    margin-left: 240px;
  }

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

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

  .content-header {
    padding: var(--space-6);
  }

  .content-body {
    padding: var(--space-6);
  }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    position: static;
    padding: var(--space-4);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-2);
  }

  .sidebar-nav-item {
    white-space: nowrap;
  }

  .content-header {
    padding: var(--space-4);
  }

  .content-body {
    padding: var(--space-4);
  }

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

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

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

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

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}