/* Instruction 45 — Exam + Plan editor, offers, checkout. */
.td-plan-section{padding:18px 0;border-top:1px solid var(--td-gray-200,#e5e7eb)}
.td-plan-section:first-of-type{border-top:0}
.td-plan-section h3,.td-plan-advanced summary{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:17px}
.td-plan-advanced summary{cursor:pointer;list-style:none;font-weight:700}
.td-plan-advanced summary::-webkit-details-marker{display:none}
.td-plan-advanced summary::after{content:'▾';margin-left:auto;color:var(--td-gray-600)}
.td-plan-advanced[open] summary::after{content:'▴'}
.td-plan-step{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--td-brand-50,#eff6ff);color:var(--td-brand-700,#1d4ed8);font-size:13px;font-weight:800}
.td-plan-label{display:block;font-weight:700;margin-bottom:7px}
.td-form-row--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.td-plan-availability{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.td-plan-avail{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius,10px);cursor:pointer;background:#fff}
.td-plan-avail.is-active{border-color:var(--td-brand-600,#2563eb);background:var(--td-brand-50,#eff6ff)}
.td-plan-avail input{margin-top:4px}
.td-plan-avail small{display:block;color:var(--td-gray-600);line-height:1.5}
.td-plan-set span{display:grid}.td-plan-set small{color:var(--td-gray-600);font-size:12px}
.td-plan-message{min-height:0;margin:0 0 10px;font-weight:700}
.td-plan-message.is-error{color:var(--td-danger-600,#dc2626)}.td-plan-message.is-success{color:var(--td-success-700,#15803d)}
.td-plan-checks{border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius-sm,8px);padding:8px 14px;display:flex;flex-wrap:wrap;gap:0 18px;margin:0}
.td-plan-checks legend{font-weight:700;padding:0 4px}.td-plan-checks .td-check{margin:6px 0}
.td-plan-schedule-summary{max-width:560px;margin-top:8px}
.td-plan-promos{display:grid;gap:10px;margin:10px 0}
.td-plan-promo{border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius,10px);padding:12px 14px;background:var(--td-gray-50,#f8fafc)}
.td-plan-promo__head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.td-plan-promo__meta{margin:6px 0 10px;color:var(--td-gray-600);font-size:14px}
.td-plan-promo__tiers{margin:0 0 10px;padding-left:20px}.td-plan-promo__tiers li{margin:6px 0}
.td-plan-promo details{margin-top:8px;font-size:13px}
.td-plan-extra{display:grid;gap:6px;margin-bottom:8px}
.td-plan-extra__row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 12px;border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius-sm,8px)}
.td-plan-extra__add{display:none;margin:8px 0}.td-plan-extra__add.is-open{display:block}
.td-plan-extra__add input{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--td-gray-300,#d1d5db);border-radius:var(--td-radius-sm,8px);font:inherit}
.td-plan-pubsummary{margin-bottom:14px}
.td-plan-dialog{width:min(720px,calc(100vw - 32px));max-height:calc(100vh - 40px);overflow:auto}
.td-plan-tier{border:1px dashed var(--td-gray-300,#d1d5db);border-radius:var(--td-radius-sm,8px);padding:10px 12px;margin-bottom:10px}
.td-plan-calc{display:block;min-height:46px;line-height:46px;font-size:18px;color:var(--td-brand-700,#1d4ed8)}
.td-sticky-actions{position:sticky;bottom:0;background:#fff;padding:12px 0;border-top:1px solid var(--td-gray-200,#e5e7eb)}
/* offer / checkout */
.td-offer{display:grid;gap:8px;margin-bottom:12px}
.td-offer__price{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.td-offer__price strong{font-size:28px;color:var(--td-brand-700,#1d4ed8)}
.td-offer__regular{text-decoration:line-through;color:var(--td-gray-600)}
.td-offer__badge{display:inline-flex;padding:4px 10px;border-radius:999px;background:var(--td-success-50,#f0fdf4);color:var(--td-success-700,#15803d);font-size:12px;font-weight:800}
.td-offer__badge--free{background:var(--td-brand-50,#eff6ff);color:var(--td-brand-700,#1d4ed8)}
.td-offer__meta{margin:0;color:var(--td-gray-600);font-size:14px}
.td-offer__beneficiary{margin:8px 0}
.td-checkout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:18px}
.td-checkout__pay{display:grid;gap:10px}
.td-checkout__gateway{display:flex;gap:10px;align-items:center;padding:12px 14px;border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius,10px);cursor:pointer}
.td-checkout__gateway.is-active{border-color:var(--td-brand-600,#2563eb);background:var(--td-brand-50,#eff6ff)}
.td-checkout__terms{font-size:13px;color:var(--td-gray-600);white-space:pre-line}
.td-public-exam-card .td-offer__price strong{font-size:20px}
@media (max-width:820px){.td-form-row--3,.td-plan-availability,.td-checkout{grid-template-columns:1fr}}
/* Additional Instruction 45 — plan builder */
.td-plan-statusbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 6px}
.td-plan-save-status{font-size:13px;color:var(--td-gray-600);display:flex;align-items:center;gap:8px;min-height:24px}
.td-plan-save-status[data-state=saving]{color:var(--td-brand-700,#1d4ed8)}.td-plan-save-status[data-state=saved]{color:var(--td-success-700,#15803d)}.td-plan-save-status[data-state=dirty]{color:var(--td-warning-700,#b45309)}.td-plan-save-status[data-state=failed]{color:var(--td-danger-600,#dc2626);font-weight:700}
.td-plan-panels{display:grid;gap:14px;margin:14px 0}
.td-plan-exam-panel{border:1px solid var(--td-gray-200,#e5e7eb);border-radius:var(--td-radius,10px);background:#fff;overflow:hidden}
.td-plan-exam-panel__head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;background:var(--td-gray-50,#f8fafc);border-bottom:1px solid var(--td-gray-200,#e5e7eb);flex-wrap:wrap}
.td-plan-exam-panel.is-collapsed .td-plan-exam-panel__head{border-bottom:0}
.td-plan-exam-panel__toggle{background:none;border:0;padding:0;font:inherit;font-weight:800;font-size:16px;cursor:pointer;text-align:left;color:inherit;display:flex;gap:6px;align-items:center;min-height:32px}
.td-plan-exam-panel__toggle::before{content:'▾';color:var(--td-gray-600);font-size:14px}.td-plan-exam-panel.is-collapsed .td-plan-exam-panel__toggle::before{content:'▸'}
.td-plan-exam-panel__num{color:var(--td-brand-700,#1d4ed8)}.td-plan-exam-panel__name{font-weight:600}
.td-plan-exam-panel__tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.td-plan-exam-panel__body{padding:0 16px 8px}.td-plan-exam-panel__body .td-plan-section:first-child{border-top:0}
.td-plan-add{margin:6px 0 18px;display:grid;gap:6px;justify-items:start}
.td-plan-common-head{display:flex;align-items:center;gap:10px;margin:22px 0 4px;padding-top:18px;border-top:2px solid var(--td-brand-100,#dbeafe);font-size:18px}.td-plan-common-head small{font-weight:500;color:var(--td-gray-600);font-size:13px}
.td-plan-grading-summary{max-width:560px;margin-top:6px}
.td-plan-types{grid-template-columns:repeat(2,minmax(0,1fr))}
.td-plan-dialog .td-table--compact{width:100%;font-size:13px;margin:8px 0 12px}.td-plan-dialog .td-table--compact th,.td-plan-dialog .td-table--compact td{padding:6px 8px;text-align:left;border-bottom:1px solid var(--td-gray-200,#e5e7eb)}
[data-pf-keep-list]{display:grid;gap:8px;margin:10px 0}
@media (max-width:820px){.td-plan-types{grid-template-columns:1fr}.td-plan-exam-panel__body{padding:0 12px 6px}}