/* ==========================================================================
   Листовки — изпитен интерфейс
   Палитра: светлосив фон · бели панели · сини информационни елементи ·
            зелено (верен) · червено (грешен). Бранд на „Ефтим Ризов“.
   ========================================================================== */

.lv-body {
  background: #EEF1F5;
}

.lv-main {
  min-height: 60vh;
}

/* ------------------------------------------------------------- начален екран */
.lv-hero {
  background: linear-gradient(120deg, #0B2545 0%, #071A33 100%);
  color: #fff;
  padding: clamp(30px, 5vw, 60px) 0 clamp(34px, 5vw, 64px);
}

.lv-hero__inner {
  max-width: 1000px;
}

.lv-hero h1 {
  color: #fff;
  margin: 12px 0 12px;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.15;
}

.lv-hero__lead {
  color: #C9D6E4;
  font-size: 1.08rem;
  max-width: 62ch;
  margin-bottom: 24px;
}

.lv-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.lv-fact {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  padding: 14px 16px;
}

.lv-fact b {
  display: block;
  font-size: 1.5rem;
  line-height: 1;
  color: #fff;
}

.lv-fact span {
  display: block;
  margin-top: 6px;
  font-size: .82rem;
  color: #A9BCD2;
}

.lv-start {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.lv-start__main,
.lv-start__side {
  display: grid;
  gap: 20px;
  align-content: start;
  min-width: 0;
}

.lv-card {
  background: #fff;
  border: 1px solid #DFE4EA;
  border-radius: 14px;
  padding: 26px;
  box-shadow: 0 1px 2px rgba(11, 37, 69, .04);
}

.lv-card h2 {
  margin-top: 0;
  font-size: 1.25rem;
}

.lv-card h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.lv-card--cta {
  background: linear-gradient(180deg, #fff 0%, #F7F9FC 100%);
  border-color: #D3DCE7;
}

.lv-card--live {
  border-left: 4px solid #D33B3B;
  background: #FFF9F9;
}

.lv-card--how {
  background: #F7F9FC;
}

.lv-list {
  margin: 0;
  padding-left: 20px;
}

.lv-list li {
  margin-bottom: 8px;
}

.lv-mini {
  font-size: .86rem;
  color: #5A6572;
}

.lv-mini--center {
  text-align: center;
}

.lv-mini--warn {
  color: #B92F2F;
}

.lv-mini a {
  color: #B92F2F;
  font-weight: 600;
}

.lv-alert {
  border-radius: 12px;
  padding: 16px 20px;
  margin: 0 0 22px;
  font-size: .95rem;
}

.lv-alert--warn {
  background: #FFF8E6;
  border: 1px solid #F0DDA8;
  border-left: 4px solid #D9A400;
  color: #6B5300;
}

/* ------------------------------------------------------------- изпитен екран
   Структурата е копие на референтния изпитен екран:
   ляво (номера) · център (лента, въпрос, отговори) · дясно (ПРЕДАЙ + стрелки) */
.lv-exam {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr) 190px;
  gap: 14px;
  align-items: start;
  padding: 14px clamp(10px, 1.6vw, 22px) 60px;
  max-width: 1500px;
  margin: 0 auto;
}

/* ---------- лява колона: 45 номерирани въпроса ---------- */
.lv-exam__nav {
  position: sticky;
  top: 92px;
  min-width: 0;
}

.lv-nav__toggle {
  display: none;
}

.lv-nav__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 9px;
  font-size: .66rem;
  color: #5A6572;
  margin-bottom: 8px;
  line-height: 1.4;
}

.lv-nav__legend span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lv-nav__legend i {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  display: inline-block;
}

.d-nez { background: #E3E7EC; }
.d-cur { background: #2C7BE5; }
.d-ver { background: #1E8E5A; }
.d-gre { background: #D33B3B; }

.lv-nav__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
}

.lv-nav__btn {
  border: 1px solid #DDE3EA;
  background: #F4F6F9;
  color: #0B2545;
  border-radius: 6px;
  padding: 7px 0;
  font-weight: 700;
  font-size: .84rem;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s ease, border-color .15s ease, transform .1s ease;
}

.lv-nav__btn:hover {
  border-color: #9FB4CC;
  transform: translateY(-1px);
}

.lv-nav__btn.is-ver { background: #1E8E5A; border-color: #1E8E5A; color: #fff; }
.lv-nav__btn.is-gre { background: #D33B3B; border-color: #D33B3B; color: #fff; }
.lv-nav__btn.is-cur {
  background: #2C7BE5;
  border-color: #2C7BE5;
  color: #fff;
  box-shadow: 0 0 0 2px rgba(44, 123, 229, .22);
}

/* ---------- център ---------- */
.lv-exam__main {
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 10px;
  overflow: hidden;
  min-width: 0;
}

.lv-topstrip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: #fff;
  border-bottom: 1px solid #EDF0F4;
  font-size: .9rem;
  color: #1F2328;
}

.lv-cat b {
  color: #0B2545;
  font-size: 1rem;
}

.lv-topstrip__mid {
  color: #5A6572;
}

.lv-topstrip__mid b {
  color: #0B2545;
}

.lv-topstrip__right {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.lv-chip {
  border-radius: 999px;
  padding: 3px 11px;
  font-size: .78rem;
  border: 1px solid transparent;
}

.lv-chip--ok { background: #E7F6EE; border-color: #C3E7D4; color: #14663F; }
.lv-chip--pts { background: #FFF4E3; border-color: #F5DDB5; color: #7A5200; }
.lv-chip b { color: inherit; }

/* тънка лента с оставащото време */
.lv-timebar {
  position: relative;
  height: 22px;
  background: #E8EEF6;
  overflow: hidden;
}

.lv-timebar__fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #7FB2EE, #2C7BE5);
  transition: width .9s linear, background .3s ease;
}

.lv-timebar__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 10px;
  font-size: .74rem;
  font-weight: 700;
  color: #0B2545;
  font-variant-numeric: tabular-nums;
}

.lv-timebar__label .ic {
  width: 13px;
  height: 13px;
}

.lv-timebar.is-low .lv-timebar__fill { background: linear-gradient(90deg, #F0C060, #D9A400); }
.lv-timebar.is-critical .lv-timebar__fill { background: linear-gradient(90deg, #E87A7A, #D33B3B); }

/* лента над въпроса: ‹ | Въпрос: N | Точки: N | Верни: N | ● */
.lv-q__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 16px 0;
  padding: 9px 12px;
  background: #F7F9FC;
  border: 1px solid #E3E7EC;
  border-radius: 8px;
}

.lv-q__arrow {
  flex: 0 0 auto;
  width: 34px;
  height: 30px;
  border: 1px solid #DDE3EA;
  background: #fff;
  border-radius: 7px;
  color: #9FB4CC;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
}

.lv-q__arrow:hover:not(:disabled) {
  color: #0B2545;
  border-color: #9FB4CC;
}

.lv-q__arrow:disabled {
  opacity: .45;
  cursor: default;
}

.lv-q__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: .86rem;
  color: #5A6572;
}

.lv-q__meta b {
  color: #0B2545;
}

.lv-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #C6CFDA;
  align-self: center;
}

.lv-dot.is-ver { background: #1E8E5A; }
.lv-dot.is-gre { background: #D33B3B; }

.lv-q__topic {
  margin-left: auto;
  font-size: .78rem;
  color: #7A8794;
  text-align: right;
}

.lv-q {
  padding: 4px 16px 18px;
}

.lv-q__text {
  font-size: clamp(1rem, 1.9vw, 1.16rem);
  line-height: 1.5;
  color: #1F2328;
  font-weight: 600;
  margin: 16px 2px 14px;
}

.lv-q__imgs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.lv-figure {
  margin: 0;
  background: #F7F9FC;
  border: 1px solid #E3E7EC;
  border-radius: 8px;
  padding: 6px;
  max-width: 100%;
}

.lv-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  cursor: zoom-in;
}

.lv-figure--ans {
  padding: 2px;
  background: transparent;
  border: 0;
}

.lv-q__hint {
  background: #E8F0FA;
  border-left: 4px solid #2C7BE5;
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  font-size: .88rem;
  color: #123159;
  margin-bottom: 14px;
}

/* отговори — високи карти като в референтния екран */
.lv-answers {
  display: grid;
  gap: 10px;
}

.lv-answers.is-ok-flash .lv-answer {
  animation: lv-flash .6s ease;
}

@keyframes lv-flash {
  0% { background: #E7F6EE; }
  100% { background: #fff; }
}

.lv-answer {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 62px;
  text-align: left;
  background: #fff;
  border: 2px solid #DDE3EA;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 1rem;
  color: #1F2328;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.lv-answer:hover {
  border-color: #9FB4CC;
  box-shadow: 0 1px 4px rgba(11, 37, 69, .07);
}

.lv-answer__mark {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: .85rem;
  background: #EDF0F4;
  color: #5A6572;
}

/* Радио/чекбокс: при посочване кръгчето/квадратчето се ЗАПЪЛВА с цвят. */
.lv-answer__mark--radio,
.lv-answer__mark--check {
  position: relative;
  background: #fff;
  border: 2px solid #C6CFDA;
  transition: background .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.lv-answer__mark--radio { border-radius: 50%; }
.lv-answer__mark--check { border-radius: 7px; }

.lv-answer__mark--radio::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #2C7BE5;
  transform: scale(0);
  transition: transform .16s cubic-bezier(.2, .8, .3, 1.2);
}

.lv-answer__mark--check::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .8rem;
  font-weight: 800;
  opacity: 0;
  transition: opacity .14s ease;
}

.lv-answer:hover .lv-answer__mark--radio,
.lv-answer:hover .lv-answer__mark--check { border-color: #7C9CBF; }

.lv-answer.is-chosen .lv-answer__mark--radio {
  border-color: #2C7BE5;
  box-shadow: 0 0 0 3px rgba(44, 123, 229, .16);
}

.lv-answer.is-chosen .lv-answer__mark--radio::after { transform: scale(1); }

.lv-answer.is-chosen .lv-answer__mark--check {
  background: #2C7BE5;
  border-color: #2C7BE5;
}

.lv-answer.is-chosen .lv-answer__mark--check::after { opacity: 1; }

.lv-answer__mark--ok { background: #1E8E5A; color: #fff; }
.lv-answer__mark--no { background: #D33B3B; color: #fff; }

.lv-answer__body {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.lv-answer__text {
  flex: 1 1 auto;
  min-width: 0;
}

.lv-answer.is-chosen { border-color: #2C7BE5; background: #F7FAFE; }
.lv-answer.is-correct { border-color: #1E8E5A; background: #F4FBF7; }
.lv-answer.is-wrong { border-color: #D33B3B; background: #FEF6F6; }

.lv-answer.is-correct .lv-answer__mark {
  background: #1E8E5A;
  border: 2px solid #1E8E5A;
  color: #fff;
  box-shadow: 0 0 0 3px rgba(30, 142, 90, .18);
}

.lv-answer.is-wrong .lv-answer__mark {
  background: #D33B3B;
  border: 2px solid #D33B3B;
  color: #fff;
  box-shadow: 0 0 0 3px rgba(211, 59, 59, .16);
}

.lv-confirm {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 14px;
}

.lv-confirm[hidden] { display: none; }

.lv-q__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #EDF0F4;
}

.lv-q__actions .btn {
  flex: 1 1 auto;
  justify-content: center;
}

/* ---------- дясна колона ---------- */
.lv-exam__side {
  display: grid;
  gap: 12px;
  position: sticky;
  top: 92px;
}

.btn--danger {
  background: #2C7BE5;
  color: #fff;
  border-color: #2C7BE5;
}

.btn--danger:hover {
  background: #1F63C0;
  border-color: #1F63C0;
  color: #fff;
}

.lv-submit {
  padding: 14px 20px;
  font-size: 1rem;
  letter-spacing: .04em;
}

.lv-navpanel {
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 10px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.lv-navpanel__btn {
  border: 0;
  background: #fff;
  color: #B9C4D0;
  font-size: 2rem;
  line-height: 1;
  padding: 12px 0;
  cursor: pointer;
  font-family: inherit;
  transition: color .15s ease, background .15s ease;
}

.lv-navpanel__btn:hover:not(:disabled) {
  color: #0B2545;
  background: #F4F7FA;
}

.lv-navpanel__btn:disabled {
  opacity: .35;
  cursor: default;
}

.lv-navpanel__body {
  flex: 1;
  padding: 12px 14px;
  border-top: 1px solid #EDF0F4;
  border-bottom: 1px solid #EDF0F4;
}

.lv-navpanel__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed #EDF0F4;
  font-size: .86rem;
  color: #5A6572;
}

.lv-navpanel__row:last-of-type { border-bottom: 0; }
.lv-navpanel__row b { color: #0B2545; font-size: .95rem; }
.lv-navpanel__row b.ok { color: #1E8E5A; }
.lv-navpanel__row b.bad { color: #D33B3B; }

.lv-navpanel__hint {
  margin: 12px 0 0;
  font-size: .76rem;
  line-height: 1.5;
  color: #7A8794;
}

.lv-tablewrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 10px;
  margin: 12px 0;
}

.lv-tablewrap table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: .92rem;
}

.lv-tablewrap th,
.lv-tablewrap td {
  border: 1px solid #E3E7EC;
  padding: 8px 11px;
  text-align: left;
}

.lv-tablewrap th {
  background: #F7F9FC;
  color: #0B2545;
}

/* модални прозорци */
.lv-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(10px, 3vw, 40px);
}

.lv-modal[hidden] {
  display: none;
}

.lv-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 26, 51, .62);
}

.lv-modal__box {
  position: relative;
  background: #fff;
  border-radius: 16px;
  width: min(760px, 100%);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 26px 60px rgba(0, 0, 0, .32);
  overflow: hidden;
}

.lv-modal__box--sm {
  width: min(460px, 100%);
}

.lv-modal__head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 18px 22px;
  border-bottom: 1px solid #EDF0F4;
  background: #F7F9FC;
}

.lv-modal__head h2 {
  margin: 0;
  font-size: 1.16rem;
  letter-spacing: .02em;
}

.lv-modal__head--bad {
  background: #FDF3F3;
  border-bottom-color: #F3D6D6;
}

.lv-modal__head--bad h2 {
  color: #B92F2F;
}

.lv-modal__icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #D33B3B;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  flex: 0 0 auto;
}

.lv-modal__body {
  padding: 20px 22px;
  overflow-y: auto;
}

.lv-modal__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  padding: 14px 22px;
  border-top: 1px solid #EDF0F4;
  background: #FAFBFD;
}

.lv-wrong__row {
  border-radius: 11px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

.lv-wrong__row h3,
.lv-wrong__expl h3 {
  margin: 0 0 9px;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.lv-wrong__row--bad {
  background: #FDF3F3;
  border: 1px solid #F3D6D6;
}

.lv-wrong__row--bad h3 { color: #B92F2F; }

.lv-wrong__row--ok {
  background: #F1FAF5;
  border: 1px solid #C9E9D8;
}

.lv-wrong__row--ok h3 { color: #14663F; }

.lv-line {
  padding: 6px 0;
  font-size: 1rem;
}

.lv-wrong__expl {
  background: #F7F9FC;
  border: 1px solid #E3E7EC;
  border-left: 4px solid #2C7BE5;
  border-radius: 0 11px 11px 0;
  padding: 15px 17px;
}

.lv-wrong__expl h3 { color: #123159; }

.lv-wrong__expl p {
  margin: 0 0 .8em;
  font-size: .96rem;
  line-height: 1.6;
}

.lv-wrong__expl p:last-child { margin-bottom: 0; }

.lv-tablewrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 10px;
  margin: 12px 0;
}

.lv-tablewrap table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: .92rem;
}

.lv-tablewrap th,
.lv-tablewrap td {
  border: 1px solid #E3E7EC;
  padding: 8px 11px;
  text-align: left;
}

.lv-tablewrap th {
  background: #F7F9FC;
  color: #0B2545;
}

.lv-submit__row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed #EDF0F4;
}

body.lv-locked {
  overflow: hidden;
}

/* lightbox */
.lv-lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(7, 26, 51, .93);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lv-lightbox[hidden] { display: none; }

.lv-lightbox__img {
  max-width: 100%;
  max-height: 88vh;
  background: #fff;
  border-radius: 10px;
}

.lv-lightbox__close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .3);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ------------------------------------------------------------- резултати */
.lv-pagehead {
  margin-bottom: 24px;
}

.lv-pagehead h1 {
  margin: 8px 0 8px;
}

.lv-result {
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 16px;
  padding: clamp(20px, 3.4vw, 40px);
}

.lv-result__head {
  text-align: center;
  margin-bottom: 26px;
}

.lv-result__head h1 {
  margin: 10px 0 0;
}

.lv-result__grid {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(20px, 4vw, 46px);
  align-items: center;
}

.lv-result__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.lv-rstat {
  background: #F7F9FC;
  border: 1px solid #E3E7EC;
  border-radius: 10px;
  padding: 12px 15px;
}

.lv-rstat span {
  display: block;
  font-size: .78rem;
  color: #5A6572;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.lv-rstat b {
  display: block;
  font-size: 1.3rem;
  color: #0B2545;
  margin-top: 3px;
}

.lv-rstat b.ok { color: #1E8E5A; }
.lv-rstat b.bad { color: #D33B3B; }

.lv-result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
}

.lv-ring {
  --p: 0;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  background: conic-gradient(var(--c, #2C7BE5) calc(var(--p) * 1%), #E3E7EC 0);
  position: relative;
}

.lv-ring::after {
  content: "";
  position: absolute;
  inset: 16px;
  background: #fff;
  border-radius: 50%;
}

.lv-ring__num,
.lv-ring__lbl {
  position: relative;
  z-index: 1;
}

.lv-ring__num {
  font-size: 2.6rem;
  font-weight: 800;
  color: #0B2545;
  line-height: 1;
}

.lv-ring__num i {
  font-size: 1.2rem;
  font-style: normal;
}

.lv-ring__lbl {
  font-size: .82rem;
  color: #5A6572;
}

.lv-ring--good { --c: #1E8E5A; }
.lv-ring--mid { --c: #D9A400; }
.lv-ring--bad { --c: #D33B3B; }

.lv-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: .92rem;
}

.lv-table th,
.lv-table td {
  padding: 11px 13px;
  border-bottom: 1px solid #EDF0F4;
  text-align: left;
}

.lv-table th {
  background: #F7F9FC;
  color: #0B2545;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.lv-table td.ok { color: #1E8E5A; font-weight: 700; }
.lv-table td.bad { color: #D33B3B; font-weight: 700; }

.lv-pct {
  font-weight: 700;
  border-radius: 7px;
  padding: 3px 9px;
}

.lv-pct--good { background: #E7F6EE; color: #14663F; }
.lv-pct--mid { background: #FFF4E3; color: #7A5200; }
.lv-pct--bad { background: #FDECEC; color: #B92F2F; }

/* преглед на въпрос */
.lv-review {
  background: #fff;
  border: 1px solid #DDE3EA;
  border-left: 4px solid #C6CFDA;
  border-radius: 0 12px 12px 0;
  padding: 20px 22px;
  margin-bottom: 16px;
}

.lv-review--verno { border-left-color: #1E8E5A; }
.lv-review--greshno { border-left-color: #D33B3B; }

.lv-review__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}

.lv-review__num {
  font-weight: 800;
  color: #0B2545;
}

.lv-review__state {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-radius: 6px;
  padding: 3px 8px;
  background: #EDF0F4;
  color: #5A6572;
}

.lv-review--verno .lv-review__state { background: #E7F6EE; color: #14663F; }
.lv-review--greshno .lv-review__state { background: #FDECEC; color: #B92F2F; }

.lv-review__text {
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 1.02rem;
}

.lv-review__ans {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.lv-review__ans li {
  padding: 9px 13px;
  border-radius: 9px;
  margin-bottom: 7px;
  background: #F7F9FC;
  border: 1px solid #EDF0F4;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
}

.lv-review__ans li.is-correct {
  background: #F1FAF5;
  border-color: #C9E9D8;
  color: #14663F;
  font-weight: 600;
}

.lv-review__ans li.is-wrong {
  background: #FDF3F3;
  border-color: #F3D6D6;
  color: #B92F2F;
}

/* Маркерът в прегледа е оформен като запълнен радио-бутон */
.lv-review__mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .78rem;
  font-weight: 800;
  background: #EDF0F4;
  color: #7A8794;
  border: 2px solid #E3E7EC;
}

.lv-review__ans li.is-correct .lv-review__mark {
  background: #1E8E5A;
  border-color: #1E8E5A;
  color: #fff;
}

.lv-review__ans li.is-wrong .lv-review__mark {
  background: #D33B3B;
  border-color: #D33B3B;
  color: #fff;
}

.lv-review__expl {
  background: #F7F9FC;
  border-left: 3px solid #2C7BE5;
  border-radius: 0 10px 10px 0;
  padding: 13px 16px;
}

.lv-review__expl h3 {
  margin: 0 0 8px;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #123159;
}

.lv-review__expl p {
  margin: 0 0 .7em;
  font-size: .95rem;
  line-height: 1.6;
}

/* ------------------------------------------------------------- админ панел */
.lv-admin {
  padding: 20px clamp(12px, 2vw, 26px) 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.lv-admin__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 16px;
}

.lv-admin__bar form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
}

.lv-admin input[type=text],
.lv-admin input[type=search],
.lv-admin input[type=number],
.lv-admin input[type=password],
.lv-admin select,
.lv-admin textarea {
  border: 1px solid #C6CFDA;
  border-radius: 8px;
  padding: 9px 11px;
  font: inherit;
  font-size: .93rem;
  background: #fff;
  color: #1F2328;
  max-width: 100%;
}

.lv-admin textarea {
  width: 100%;
  min-height: 120px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: .86rem;
}

.lv-qlist {
  display: grid;
  gap: 12px;
}

.lv-qitem {
  background: #fff;
  border: 1px solid #DDE3EA;
  border-radius: 12px;
  padding: 16px 18px;
}

.lv-qitem__head {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-bottom: 9px;
  font-size: .8rem;
  color: #5A6572;
}

.lv-tag {
  border-radius: 6px;
  padding: 3px 8px;
  font-weight: 700;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.lv-tag--za-proverka { background: #FFF4E3; color: #7A5200; }
.lv-tag--odobren { background: #E7F6EE; color: #14663F; }
.lv-tag--neaktiven { background: #EDF0F4; color: #5A6572; }
.lv-tag--flag { background: #FDECEC; color: #B92F2F; }
.lv-tag--multi { background: #E8F0FA; color: #123159; }
.lv-tag--graphic { background: #F1E9FB; color: #5B2E9E; }

.lv-qitem__text {
  font-weight: 600;
  margin-bottom: 10px;
}

.lv-qitem__ans {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: .93rem;
}

.lv-qitem__ans li {
  padding: 6px 10px;
  border-radius: 7px;
  margin-bottom: 5px;
  background: #F7F9FC;
}

.lv-qitem__ans li.is-correct {
  background: #F1FAF5;
  color: #14663F;
  font-weight: 600;
}

.lv-qitem__flags {
  margin: 9px 0 0;
  font-size: .82rem;
  color: #B92F2F;
}

.lv-pager {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
}

/* ---------- Изображения — еднакъв дизайнерски размер ----------
   Класът се слага от JS по РЕАЛНИЯ размер на файла (um.js / lv.js):
     xs  < 80 px    — много малки икони → остават в естествения си размер
     sm  80–199 px  — пътни знаци      → остават в естествения си размер
     md  200–599 px — схеми            → еднаква височина 240 px
     lg  ≥ 600 px   — големи схеми     → еднаква височина 380 px
   Никога не се увеличават — само се смаляват, за да не се размазват. */
.um-doc img,.lv-doc img{display:block;margin-left:auto;margin-right:auto}

.um-doc img.um-img,
.lv-doc img.um-img{
  width:auto;
  max-width:100%;
  height:auto;
  margin:1.3em auto;
  border:0;
  background:transparent;      /* без бял носител зад снимката */
  padding:0;
  box-shadow:none;
  transform:translateZ(0) perspective(900px) rotateX(0deg);
  transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s ease;
}
.um-doc img.um-img:hover,
.lv-doc img.um-img:hover{
  transform:perspective(900px) rotateX(1.2deg) translateY(-4px) scale(1.015);
  box-shadow:0 16px 30px -16px rgba(11,37,69,.28);
}

/* много малките и малките знаци — без промяна на размера и без сянка */
.um-doc img.um-img--xs,.lv-doc img.um-img--xs,
.um-doc img.um-img--sm,.lv-doc img.um-img--sm{
  box-shadow:none;
}
.um-doc img.um-img--xs,.lv-doc img.um-img--xs{margin:1em auto}
.um-doc img.um-img--sm,.lv-doc img.um-img--sm{margin:1.1em auto}

/* еднаква височина за средните и големите → подредбата изглежда подравнена */
.um-doc img.um-img--md,.lv-doc img.um-img--md{max-height:240px}
.um-doc img.um-img--lg,.lv-doc img.um-img--lg{max-height:380px}

/* Схема, вградена в абзац (не е самостоятелен блок) — не центрираме */
.um-doc p img.um-img:not(:only-child),
.lv-doc p img.um-img:not(:only-child){display:inline-block;margin:.25em .3em;vertical-align:middle}

@media print{
  .um-doc img.um-img,.lv-doc img.um-img{
    box-shadow:none!important;border:.5pt solid #999!important;border-radius:0!important;
    transform:none!important;margin:3mm auto!important;
  }
  .um-doc img.um-img--md{max-height:70mm!important}
  .um-doc img.um-img--lg{max-height:105mm!important}
}

/* --------------------------------------------------------------- адаптив */
@media (max-width: 1180px) {
  .lv-exam {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .lv-exam__side {
    grid-column: 1 / -1;
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
  .lv-exam__side > .btn { grid-column: span 1; }
}

@media (max-width: 980px) {
  .lv-start {
    grid-template-columns: 1fr;
  }
  .lv-result__grid {
    grid-template-columns: 1fr;
  }
  .lv-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .lv-exam {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 12px;
  }
  .lv-exam__nav {
    position: sticky;
    top: 76px;
    z-index: 60;
    padding: 8px;
  }
  .lv-nav__toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    background: #F7F9FC;
    border: 1px solid #DDE3EA;
    border-radius: 9px;
    padding: 11px 13px;
    font: inherit;
    font-weight: 700;
    color: #0B2545;
    cursor: pointer;
  }
  .lv-nav__burger {
    display: inline-flex;
    flex-direction: column;
    gap: 3px;
  }
  .lv-nav__burger i {
    width: 16px;
    height: 2px;
    background: #0B2545;
    display: block;
  }
  .lv-nav__body {
    display: none;
    margin-top: 10px;
  }
  .lv-nav__item--open .lv-nav__body,
  .lv-exam__nav.is-open .lv-nav__body {
    display: block;
  }
  .lv-nav__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    max-height: 46vh;
    overflow-y: auto;
  }
  .lv-nav__btn {
    padding: 9px 0;
    font-size: .82rem;
  }
  .lv-exam__side {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
  .lv-exam__side .btn--lg {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .lv-facts {
    grid-template-columns: 1fr 1fr;
  }
  .lv-topbar {
    padding: 10px 12px;
    gap: 8px;
  }
  .lv-topbar__meta {
    gap: 6px;
    width: 100%;
  }
  .lv-badge {
    font-size: .78rem;
    padding: 5px 9px;
  }
  .lv-timer {
    width: 100%;
    justify-content: space-between;
  }
  .lv-timer__value {
    font-size: 1.25rem;
  }
  .lv-q {
    padding: 16px 13px 20px;
  }
  .lv-answer {
    font-size: .98rem;
    padding: 13px 14px;
  }
  .lv-q__actions {
    flex-direction: column;
  }
  .lv-q__actions .btn {
    width: 100%;
  }
  .lv-exam__side {
    grid-template-columns: 1fr;
  }
  .lv-nav__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .lv-modal__foot {
    flex-direction: column-reverse;
  }
  .lv-modal__foot .btn {
    width: 100%;
  }
  .lv-result__stats {
    grid-template-columns: 1fr 1fr;
  }
  .lv-ring {
    width: 160px;
    height: 160px;
  }
  .lv-ring__num {
    font-size: 2.1rem;
  }
  .lv-table thead {
    display: none;
  }
  .lv-table tr {
    display: block;
    border-bottom: 1px solid #E3E7EC;
    padding: 10px 0;
  }
  .lv-table td {
    display: flex;
    justify-content: space-between;
    border: 0;
    padding: 5px 12px;
  }
  .lv-table td::before {
    content: attr(data-l);
    font-size: .78rem;
    color: #5A6572;
    text-transform: uppercase;
  }
}

@media print {
  .lv-exam__nav,
  .lv-exam__side,
  .lv-modal,
  .lv-lightbox {
    display: none !important;
  }
  .lv-body {
    background: #fff;
  }
}

/* Скрито за очите, достъпно за екранни четци */
.lv-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Обяснение как се пази историята (поверителност) */
.lv-note {
  background: #F7F9FC;
  border: 1px solid #E3E7EC;
  border-left: 4px solid #2C7BE5;
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin-top: 18px;
  font-size: .92rem;
  color: #333A42;
  line-height: 1.6;
}

.lv-note p { margin: 0 0 .7em; }
.lv-note p:last-child { margin-bottom: 0; }
.lv-note code { background: #E8EEF6; padding: 1px 6px; border-radius: 5px; font-size: .88em; }