/* Business — Students / Sponsorships tab styles. */

.biz-sponsor-header {
  margin-bottom: 16px;
}

.biz-sponsor-header__title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.biz-sponsor-header__org {
  font-weight: 500;
  color: var(--text-secondary, var(--text-muted));
}

.biz-sponsor-section__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Config section ──────────────────────────── */
.biz-sponsor-config,
.biz-sponsor-invite {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}

.biz-sponsor-config__form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.biz-sponsor-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 160px;
  flex: 1;
}

.biz-sponsor-field__label {
  font-size: 12px;
  color: var(--text-secondary, var(--text-muted));
}

.biz-sponsor-field__input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.biz-sponsor-field__input:focus {
  outline: none;
  border-color: var(--accent);
}

.biz-sponsor-config__save {
  align-self: flex-end;
}

.biz-sponsor-config__meta {
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary, var(--text-muted));
}

/* ── Invite section ──────────────────────────── */
.biz-sponsor-invite__form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.biz-sponsor-invite__textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  resize: vertical;
  font-family: inherit;
  min-height: 110px;
}

.biz-sponsor-invite__textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.biz-sponsor-invite__actions {
  display: flex;
  justify-content: flex-end;
}

.biz-sponsor-invite__result {
  margin-top: 12px;
}

.biz-sponsor-invite__skipped {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  background: rgba(234, 179, 8, 0.08);
  color: var(--text);
  font-size: 13px;
}

.biz-sponsor-invite__skipped-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.biz-sponsor-invite__skipped ul {
  margin: 0;
  padding-left: 18px;
}

/* ── Filter bar ──────────────────────────────── */
.biz-sponsor-filter-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.biz-sponsor-filter {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.biz-sponsor-filter:hover {
  border-color: var(--accent);
}

.biz-sponsor-filter.is-active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Table ────────────────────────────────── */
.biz-sponsor-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.biz-sponsor-table th,
.biz-sponsor-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.biz-sponsor-table th {
  font-weight: 600;
  color: var(--text-secondary, var(--text-muted));
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.biz-sponsor-cell-email__email {
  font-weight: 500;
  color: var(--text);
}

.biz-sponsor-cell-email__name {
  font-size: 12px;
  color: var(--text-secondary, var(--text-muted));
}

.biz-sponsor-cell-muted {
  color: var(--text-secondary, var(--text-muted));
  font-size: 12px;
}

.biz-sponsor-actions-cell {
  white-space: nowrap;
  text-align: right;
}

.biz-sponsor-action {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  margin-left: 4px;
}

.biz-sponsor-action:hover {
  border-color: var(--accent);
}

.biz-sponsor-action--revoke:hover {
  border-color: #ef4444;
  color: #ef4444;
}

/* ── Badges ──────────────────────────────── */
.biz-badge--active {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.biz-badge--pending {
  background: rgba(59, 130, 246, 0.12);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.2);
}
.biz-badge--expired {
  background: rgba(107, 114, 128, 0.12);
  color: #6b7280;
  border: 1px solid rgba(107, 114, 128, 0.2);
}
.biz-badge--revoked {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.biz-sponsor-empty {
  padding: 40px 20px;
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 10px;
}

@media (max-width: 640px) {
  .biz-sponsor-table thead { display: none; }
  .biz-sponsor-table tr {
    display: block;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
  }
  .biz-sponsor-table td {
    display: block;
    border-bottom: none;
    padding: 4px 0;
  }
  .biz-sponsor-actions-cell { text-align: left; }
}