/**
 * base.css - Foundational Resets, Layout & Typography
 */

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  background-color: var(--bg-app);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* App Shell Structure */
#app-root {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.08), transparent 70%), var(--bg-app);
}

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

/* Sidebar */
.app-sidebar {
  width: 270px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  flex-shrink: 0;
  z-index: var(--z-sticky);
  transition: width var(--duration-normal) var(--ease-spring), transform var(--duration-normal) var(--ease-spring);
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background-color: var(--bg-app);
}

/* App Header */
.app-header {
  height: 64px;
  background-color: var(--bg-surface-elevated);
  backdrop-filter: var(--material-blur);
  -webkit-backdrop-filter: var(--material-blur);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

/* View Container */
.view-container {
  padding: 1.75rem 2rem 3rem 2rem;
  flex: 1;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }

p {
  color: var(--text-secondary);
}

a {
  color: var(--tenant-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
a:hover {
  text-decoration: underline;
}

/* Focus Visibility */
:focus-visible {
  outline: 2px solid var(--tenant-secondary);
  outline-offset: 2px;
}

/* Utility Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-spring) forwards;
}

/* Print Isolation for MESCYT / Vouchers */
@media print {
  body {
    background: #FFF !important;
    color: #000 !important;
  }
  .app-sidebar, .app-header, .btn-no-print, .omnibox-trigger, .theme-toggle {
    display: none !important;
  }
  .app-main, .view-container {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
  }
  .print-only {
    display: block !important;
  }
}