/* ============================================================
   LAYOUT — Page structure, containers, flexbox grids
   Mobile-first approach
   ============================================================ */

/* ---- Wrapper: page shell ---- */
/* Applied to <body> — makes footer stick to the bottom on short pages */
body,
.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Main content area ---- */
.main-content {
  flex: 1 1 auto;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-6) var(--container-pad-x);
}

@media (min-width: 768px) {
  .main-content {
    padding: var(--space-8) var(--space-6);
  }
}

/* ---- Container: centered max-width wrapper ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
}

/* ---- Page header bar (title + optional actions) ---- */
.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-header__title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-neutral-900);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

.page-header__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  margin-top: calc(-1 * var(--space-2));
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .page-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-header__title {
    font-size: var(--text-3xl);
  }
}

/* ---- Section ---- */
.section {
  margin-bottom: var(--space-8);
}

.section__title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-3);
}

/* ---- Flex row / col helpers ---- */
.flex-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.flex-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* ---- Two-column content grid ---- */
.content-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.content-grid__main {
  flex: 1 1 0;
  min-width: 0;
}

.content-grid__sidebar {
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .content-grid {
    flex-direction: row;
    align-items: flex-start;
  }

  .content-grid__sidebar {
    width: 280px;
  }
}

/* ---- Auth layout — vertically centered card ---- */
.auth-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-6) var(--container-pad-x);
  background-color: var(--color-bg);
}

.auth-layout__brand {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-layout__logo {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-brand);
  letter-spacing: -0.03em;
}

.auth-layout__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  margin-top: var(--space-1);
}

.auth-layout__card {
  width: 100%;
  max-width: 420px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
}

.auth-layout__card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-6);
  text-align: center;
}

.auth-layout__footer {
  text-align: center;
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.auth-layout__footer a {
  color: var(--color-brand);
  font-weight: var(--font-medium);
}

.auth-layout__footer a:hover {
  text-decoration: underline;
}

@media (min-width: 480px) {
  .auth-layout__card {
    padding: var(--space-10) var(--space-8);
  }
}
