/* Exam page: gate form, question flow and results. Shares .cert__* tokens from certificate.css
   (loaded first) for the form field and card look; this file adds only what is exam-specific. */
.exam__grid { display: grid; gap: clamp(20px, 4vw, 40px); align-items: start; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); }
.exam__gate { display: grid; gap: 18px; padding: clamp(20px, 3.4vw, 30px); }
.exam__field { display: grid; gap: 8px; }
.exam__field label { font: 600 .82rem/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-hi); }
.exam__field input {
  width: 100%; min-height: 48px; padding: 0 14px; border: 0; border-radius: var(--r-sm); color: var(--cream); font: 500 1rem var(--sans);
  background: rgba(255, 247, 225, .05); box-shadow: inset 0 0 0 1px rgba(212, 175, 55, .35);
}
.exam__field input:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 2px; }
.exam__stage { display: grid; gap: 22px; }
.exam__timer { margin: 0; padding: 10px 16px; border-radius: 6px; font: 600 .95rem/1.3 var(--mono); color: var(--gold-hi); background: rgba(212, 175, 55, .08); box-shadow: inset 0 0 0 1px rgba(212, 175, 55, .3); text-align: center; }
.exam__timer--low { color: #e6786e; background: rgba(230, 120, 110, .1); box-shadow: inset 0 0 0 1px rgba(230, 120, 110, .5); }
.exam-q { display: grid; gap: 12px; padding: 18px clamp(16px, 3vw, 26px); border-radius: var(--r-sm); background: rgba(255, 247, 225, .04); box-shadow: inset 0 0 0 1px rgba(212, 175, 55, .2); }
.exam-q__n { font: 600 .72rem/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-hi); }
.exam-q__text { margin: 0; font: 600 1.05rem/1.4 var(--sans); color: var(--cream); }
.exam-q__opts { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.exam-q__opt { display: flex; align-items: flex-start; gap: 10px; padding: 10px 14px; border-radius: 6px; background: rgba(255, 255, 255, .02); cursor: pointer; }
.exam-q__opt:hover { background: rgba(255, 247, 225, .06); }
.exam-q__opt input { flex: none; width: 18px; height: 18px; margin-top: 3px; accent-color: #d4af37; }
.exam-q__opt span { font-size: .96rem; line-height: 1.5; color: var(--cream); }
.exam-q__answer { display: block; width: 100%; min-height: 130px; padding: 12px 14px; border: 0; border-radius: 6px; resize: vertical; color: var(--cream); font: 400 .96rem/1.55 var(--sans); background: rgba(255, 247, 225, .05); box-shadow: inset 0 0 0 1px rgba(212, 175, 55, .3); }
.exam-q__answer:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 2px; }
.exam-q--correct { box-shadow: inset 0 0 0 1px rgba(120, 200, 140, .55); }
.exam-q--wrong { box-shadow: inset 0 0 0 1px rgba(230, 120, 110, .55); }
.exam-q__explain { margin: 0; font-size: .88rem; line-height: 1.55; color: var(--steel); border-top: 1px solid rgba(212, 175, 55, .2); padding-top: 10px; }
.exam-result { padding: 26px clamp(18px, 4vw, 34px); border-radius: var(--r-sm); text-align: center; display: grid; gap: 10px; }
.exam-result--pass { background: rgba(120, 200, 140, .1); box-shadow: inset 0 0 0 1px rgba(120, 200, 140, .4); }
.exam-result--fail { background: rgba(230, 120, 110, .08); box-shadow: inset 0 0 0 1px rgba(230, 120, 110, .4); }
.exam-result__score { font: 700 clamp(2.4rem, 6vw, 3.4rem)/1 var(--display); color: var(--cream); }
.exam-result__label { font: 600 .8rem/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--gold-hi); }
.exam-cert { display: grid; gap: 10px; padding: 20px clamp(16px, 3vw, 26px); border-radius: var(--r-sm); background: rgba(212, 175, 55, .08); box-shadow: inset 0 0 0 1px rgba(212, 175, 55, .35); }
.exam-cert__id { font: 500 .82rem/1.5 var(--mono); color: var(--steel); word-break: break-all; }
@media (max-width: 900px) { .exam__grid { grid-template-columns: minmax(0, 1fr); } }