/* App-shell redesign scaffolding.
   IMPORTANT: only use existing color palette variables from `static/css/style.css`. */

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -10000px;
  top: 0;
  z-index: 99999;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-weight: 800;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Desktop app-shell */
.app-desktop-shell {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

/* Override style.css fixed sidebar layout in the redesign shell */
.app-desktop-shell .sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
}

/* Remove the old margin-left offset that was tied to the fixed sidebar */
.app-desktop-shell .main-content {
  margin-left: 0 !important;
  flex: 1;
  min-width: 0;
}

.app-desktop-shell .auth-content {
  flex: 1;
  width: 100%;
  min-width: 0;
}

@media (max-width: 768px) {
  .app-desktop-shell {
    display: block;
  }
}

/* Shared section helpers (no new colors, only palette vars) */
.section-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

.hero-title {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

/* Compact card header pattern */
.card-compact {
  padding: 0 !important;
  overflow: hidden;
  margin-bottom: var(--space-7);
}

.card-header {
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
}

.card-header-title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
}

.page-header--xl {
  margin-bottom: var(--space-7) !important;
}

/* Mobile: hero + margins */
.mobile-page-hero {
  padding: 15px 15px 0;
}

.mobile-hero-title {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.mobile-hero-subtitle {
  color: var(--tg-hint);
  font-size: 13px;
  margin: 4px 0 0;
}

.mobile-widget-margin {
  margin: 0 15px 16px;
}

.mobile-section-tight {
  margin: 0 15px 10px;
}

.mobile-export-btn {
  width: 100%;
  min-height: 44px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--tg-separator);
  background: var(--tg-sidebar);
  color: var(--tg-text);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
}

.mobile-export-btn i {
  color: var(--tg-green);
}

/* Results page helpers */
.results-main-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

/* Student card (desktop) */
.student-sidebar-card {
  text-align: center;
  border-top: 5px solid var(--primary);
}

.student-balance-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--success);
}

.student-debt-val {
  font-size: 20px;
  font-weight: 700;
}

.student-debt-val--debt {
  color: var(--danger);
}

.student-debt-val--credit {
  color: var(--success);
}

/* Mobile: subtle note */
.mobile-subtle-note {
  font-size: 12px;
  color: var(--tg-hint);
  margin: 8px 0 12px;
  padding: 0;
}