/* ========================================
   MAIN CSS - IMPORT ALL STYLES
   ======================================== */

/* ===== FOUNDATION ===== */
@import url('./variables.css');
@import url('./tokens.css');
@import url('./theme-light.css');
@import url('./theme-dark.css');

/* ===== COMPONENTS ===== */
@import url('./components/navigation.css');
@import url('./components/cards.css');
@import url('./components/buttons.css');
@import url('./components/forms.css');
@import url('./components/alerts.css');

/* ===== LAYOUTS ===== */
@import url('./layouts/grid.css');

/* ===== PAGE SPECIFIC ===== */
@import url('./pages.css');

/* ===== UTILITIES ===== */
@import url('./utilities/spacing.css');
@import url('./utilities/typography.css');
@import url('./utilities/effects.css');
@import url('./icons.css');

/* ===== GLOBAL RESET & ENHANCEMENTS ===== */

/* Smooth scroll behavior */
html {
  scroll-behavior: smooth;
}

/* Focus visible styles */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Selection styles */
::selection {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

/* Ensure main content area expands */
main {
  flex: 1;
  min-height: 100vh;
}

/* Footer styling */
footer {
  background: var(--color-surface-variant);
  border-top: 1px solid var(--color-outline);
  margin-top: var(--space-5xl);
  padding: var(--space-4xl) var(--space-lg);
}

footer p {
  margin: 0;
  color: var(--color-on-surface-variant);
  font-size: var(--text-sm);
  text-align: center;
}

/* ===== TABLE STYLES ===== */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

thead {
  background: var(--color-surface-variant);
  font-weight: var(--font-weight-semibold);
}

th {
  padding: var(--space-lg);
  text-align: left;
  color: var(--color-on-surface);
  border-bottom: 2px solid var(--color-outline);
}

td {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-outline);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--color-surface-dim);
}

/* ===== HR STYLES ===== */
hr {
  border: none;
  border-top: 1px solid var(--color-outline);
  margin: var(--space-3xl) 0;
}

/* ===== SECTION SPACING ===== */
section {
  margin: var(--space-5xl) 0;
}

section:first-child {
  margin-top: 0;
}

section:last-child {
  margin-bottom: 0;
}

/* ===== ARTICLE STYLES ===== */
article {
  background: var(--color-surface);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
}

/* ===== FIELDSET ===== */
fieldset {
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

legend {
  padding: 0 var(--space-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
}

/* ===== DETAILS/SUMMARY ===== */
details {
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-2xl);
  cursor: pointer;
}

summary {
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

summary::before {
  content: '▶';
  display: inline-block;
  margin-right: var(--space-md);
  transition: transform var(--transition-fast);
}

details[open] summary::before {
  transform: rotate(90deg);
}

/* ===== EMBEDDED MEDIA ===== */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
}

iframe {
  max-width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline);
}

/* ===== PRINT STYLES ===== */
@media print {
  body {
    background: white;
    color: black;
  }

  .no-print {
    display: none;
  }

  a {
    color: black;
  }

  a::after {
    content: ' (' attr(href) ')';
  }

  .navbar,
  .fab,
  .toast-container {
    display: none;
  }

  main {
    min-height: auto;
  }
}

/* ===== ACCESSIBILITY ===== */
.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;
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  left: -9999px;
  z-index: var(--z-tooltip);
  padding: var(--space-md);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-md);
}

.skip-to-content:focus {
  left: var(--space-lg);
  top: var(--space-lg);
}

/* Ensure proper focus management */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline-offset: 2px;
}

/* ===== LOADING STATE ===== */
.loading {
  pointer-events: none;
  opacity: 0.6;
}

.loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-primary-lighter);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

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

/* ===== PLACEHOLDER STATE ===== */
.placeholder {
  background: linear-gradient(
    90deg,
    var(--color-surface-dim) 25%,
    var(--color-surface-variant) 50%,
    var(--color-surface-dim) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--space-4xl) var(--space-2xl);
  color: var(--color-on-surface-variant);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-on-surface);
  margin-bottom: var(--space-md);
}

.empty-state-description {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2xl);
}

.empty-state-action {
  display: inline-block;
}

/* ===== ERROR STATE ===== */
.error-state {
  text-align: center;
  padding: var(--space-4xl) var(--space-2xl);
  background: var(--color-error-lighter);
  border: 2px solid var(--color-error);
  border-radius: var(--radius-lg);
  color: var(--color-error);
}

.error-state-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-lg);
}

.error-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
}

/* ===== WATERMARK ===== */
.watermark {
  position: fixed;
  bottom: 0;
  right: 0;
  font-size: 10rem;
  opacity: 0.05;
  pointer-events: none;
  z-index: -1;
  user-select: none;
}

/* End of main.css */