.class-roster { --color-text-muted: #525867; display: grid; gap: var(--space-4, 1rem); min-width: 0; color: var(--color-text); }
.class-roster h2, .class-roster p { margin: 0; }
.class-roster h2 { font-size: var(--font-size-xl, 1.25rem); line-height: 1.5; }
.class-roster-heading { display: flex; flex-wrap: wrap; align-items: start; justify-content: space-between; gap: var(--space-4, 1rem); }
.class-roster-heading p { margin-top: var(--space-2, .5rem); }
.class-roster-template { min-height: 44px; display: inline-flex; align-items: center; color: var(--color-primary, #4338a3); text-underline-offset: .2em; }
.class-roster-help { color: var(--color-text-muted); font-size: var(--font-size-sm, .875rem); line-height: 1.7; max-width: 75ch; }
.class-roster-upload { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3, .75rem); }
.class-roster-upload label { font-weight: 600; }
.class-roster-upload input { min-width: 0; max-width: 100%; min-height: 44px; font: inherit; }
.class-roster-upload input::file-selector-button { min-height: 44px; margin-right: .75rem; padding: .5rem .75rem; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md, 8px); font: inherit; cursor: pointer; }
.class-roster-preview { display: grid; gap: var(--space-3, .75rem); min-width: 0; }
.class-roster-table-wrap { overflow-x: auto; max-width: 100%; }
.class-roster table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm, .875rem); line-height: 1.6; }
.class-roster caption { text-align: left; font-weight: 600; padding: .75rem 0; }
.class-roster th, .class-roster td { text-align: left; vertical-align: top; padding: .75rem; border-bottom: 1px solid var(--color-border); }
.class-roster th { white-space: nowrap; }
.class-roster td { overflow-wrap: anywhere; min-width: 5rem; }
.class-roster td:last-child { min-width: 13rem; }
.class-roster td span { display: block; color: var(--color-text-muted); }
.class-roster-pagination, .class-roster-confirm { display: flex; flex-wrap: wrap; gap: var(--space-3, .75rem); align-items: center; }
.class-roster-confirm { margin-top: var(--space-3, .75rem); }
.class-roster-confirm > span { color: var(--color-text-muted); font-size: var(--font-size-sm, .875rem); }
.class-roster-error { color: var(--color-danger, #a32136); }
.class-roster-success { color: var(--color-text); font-weight: 600; }
.class-roster :focus-visible { outline: 2px solid var(--color-primary, #4338a3); outline-offset: 3px; }
@media (max-width: 600px) {
  .class-roster-upload { align-items: stretch; flex-direction: column; }
  .class-roster-confirm > button { width: 100%; }
  .class-roster table, .class-roster tbody { display: block; }
  .class-roster caption { display: block; width: 100%; }
  .class-roster thead { display: none; }
  .class-roster tr { display: block; padding: .75rem 0; border-bottom: 1px solid var(--color-border); }
  .class-roster td, .class-roster td:last-child { display: grid; grid-template-columns: 5em minmax(0, 1fr); gap: .25rem .5rem; min-width: 0; padding: .25rem 0; border: 0; }
  .class-roster td::before { content: attr(data-label); font-weight: 600; }
  .class-roster td span { grid-column: 2; }
}