/* =========================================================================
   Global reset & helpers
   =======================================================================*/
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont,
    Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

html{
  font-size: clamp(18px, 0.9rem + 0.35vw, 19px);
}

:root {
  --clr-primary: #4a6d75;
  --clr-primary-dark: #3e5e65;
  --clr-bg: #f4f7f6;
  --clr-surface: #ffffff;
  --clr-success: #7d9d73;
  --clr-error: #dd6060;
  --radius: 10px;
  --shadow: 0 2px 4px rgba(0, 0, 0, .1);
  --fs-question: clamp(1.3rem, 0.9rem + 1.2vw, 1.6rem);
  --fs-option : clamp(1.1rem, 0.8rem + 1vw , 1.35rem);
}

body {
  background: var(--clr-bg);
  display: flex;
  flex-direction: column;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* =========================================================================
      Top bar
      =======================================================================*/
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #37525b;
  display: flex;
  align-items: center;
  padding-inline: 30px;
  gap: 10px;
  box-shadow: var(--shadow);
  z-index: 5;
}

.top-bar a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.bar-image {
  width: 40px;
  height: 40px;
}

.bar-text {
  font-size: 1.6rem;
  font-weight: 700;
}

.bc_text {
  background: #fff;
  color: #333;
  font-weight: 700;
  border-radius: 50%;
  padding: 5px 10px;
  font-size: .9rem;
}

@media (max-width:600px) {
  .top-bar {
    padding-inline: 20px;
  }

  .bar-image {
    width: 24px;
    height: 24px;
  }

  .bar-text {
    font-size: .8rem;
  }

  .bc_text {
    display: none;
  }
}

.premium-crown{font-size:1.35rem;margin-left:.45rem;line-height:1;}
.hidden{display:none;}

.pay-top-btn{
  margin-left:auto;
  padding:.38rem .8rem;
  font-size:.85rem;
  font-weight:600;
  border:none;
  border-radius:6px;
  cursor:pointer;
  background:#ffc857;
  color:#374345;

  transition:background .2s, transform .15s;
}
.pay-top-btn:hover{
  background:#ffd878;
  transform:scale(1.05);
}
@media(max-width:600px){
  .pay-top-btn{
    font-size:.78rem;
    padding:.24rem .4rem;
  }
}

/* =========================================================================
      Layout wrappers
      =======================================================================*/
#app {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: 100px 200px;
}

.quiz-common-container {
  display: flex;
  gap: 20px;
  width: min(1000px, 100%);
  margin-inline: auto;
  margin: 0 auto;
  align-self: center;
}

@media (max-width:1010px) {
  .quiz-common-container {
    flex-direction: column;
    align-items: center;
    padding-inline: clamp(15px, 2vw, 24px);
  }
}

@media (min-width: 800px) {
  html { font-size: 18px; }

  :root {
    --fs-question: 1.4rem;
    --fs-option : 1.15rem;
  }

  .side-panel-button,
  .quiz-button {
    font-size: 1rem;
    padding-inline: 8px;
  }
}

/* =========================================================================
      Side panel (buttons, nav, result)
      =======================================================================*/
.combine-side-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 300px;
}

.button-side-panel {
  display: flex;
  gap: 10px;
  background: var(--clr-surface);
  padding: 10px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.side-panel-button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: clamp(1rem, 0.75rem + 0.5vw, 1.15rem);
  font-weight: 700;
  color: #fff;
  background: var(--clr-primary);
  border: 0;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: .2s ease;
}

.side-panel-button:hover {
  background: var(--clr-primary-dark);
  transform: scale(1.05);
}

.side-panel {
  background: var(--clr-surface);
  padding: 10px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-y: auto;
  max-height: 50vh;
}

.question-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.question-nav button {
  width: 28px;
  height: 28px;
  font-size: .9rem;
  border: 0;
  border-radius: 5px;
  cursor: pointer;
  background: #eaeaea;
  color: #333;
}

.question-nav button.correct {
  background: var(--clr-success);
  color: #fff;
}

.question-nav button.incorrect {
  background: var(--clr-error);
  color: #fff;
}

.question-nav button.current {
  outline: 2px solid #6c6a6a;
}

.result-side-panel {
  background: var(--clr-surface);
  padding: 10px;
  text-align: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}


.side-panel-stats-container {
  margin-bottom: 12px;
}


.side-panel-stats-container .quiz-answer-stats {
  display: flex;
  justify-content: space-between;
    flex-direction: row ;
  align-items: center;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.side-panel-stats-container .quiz-correct-count {
  color: var(--clr-success);
}

.side-panel-stats-container .quiz-incorrect-count {
  color: var(--clr-error);
}
.side-panel-stats-container .quiz-correct-count,
.side-panel-stats-container .quiz-incorrect-count {
  font-weight: bold;
}

.side-panel-stats-container .quiz-progress-bar {
  height: 10px;
  width: 100%;
  background: #ecf0f1;
  border-radius: 50px;
  overflow: hidden;
}

.side-panel-stats-container .quiz-progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--clr-success) 0%, var(--clr-error) 100%);
  transition: width .5s;
}
.side-panel .quiz-answer-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
}


@media (max-width:1010px) {
  .combine-side-panel {
    width: 100%;
    max-width: 600px;
    margin-inline: auto;
  }

  .side-panel {
    max-height: none;
  }
}

/* =========================================================================
      Quiz main area
      =======================================================================*/
.quiz-main-container {
  flex: 1;
  background: var(--clr-surface);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.quiz-main-container:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, .15);
}

.quiz-test-text {
  flex: 1;
  text-align: center;
  font-size: 1.15rem;
  color: #333;
 font-weight: 700;  
}

@media (min-width:1010px){                /* desktop row */
  .combine-side-panel{width:300px;}  /* never shrink */
  .quiz-main-container{width:680px;} /* 285+20+680 ≤ 1 000 */
}
@media (min-width:800px) and (max-width:1009px){        /* large tablets */
  .combine-side-panel{width:300px;}
  .quiz-main-container{width:560px;} /* 285+20+560 ≤ 865 */
}

/* ────────────────────────────────────────────────────────────────
1-b ▸ Prevent flex “breathing” in the stacked (≤799 px) view
─────────────────────────────────────────────────────────────────*/
@media (max-width:799px){
  .combine-side-panel,
  .quiz-main-container{width:100%;max-width:600px;margin-inline:auto;}
}


/* =========================================================================
      Card & question
      =======================================================================*/
.quiz-question-container {
  position: relative;
  overflow: hidden;

}

.quiz-card {
 
  background: var(--clr-surface);

  padding-left: 10px;
  padding-right:10px ;
  padding-bottom: 10px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.audio-button {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  border: 0;
  background: var(--clr-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: .2s ease;
}

.audio-button:hover {
  background: var(--clr-primary-dark);
  transform: scale(1.1);
}

.quiz-question-row {
  display: flex;
  align-items: flex-start;
  gap: 5px;
}

@media (max-width: 600px) {
  .quiz-question-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .audio-button {
    margin-bottom: 8px;
  }
}

.quiz-question {
  font-size: var(--fs-question);
  font-weight: 700;
  color: #333;
  line-height: 1.5;
  letter-spacing: 0.02em;
  max-width: 65ch;
  flex: 1;
}

.quiz-image {
  display: flex;
  justify-content: center;
}

.quiz-question-image {
  max-width: 150px;
  max-height: 150px;
  object-fit: contain;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quiz-option {
  width: 100%;
  background: #f9f9f9e9;
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 5px;
  font-size: var(--fs-option);
  line-height: 1.45;
  letter-spacing: 0.015em;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: .2s ease;
}

.quiz-option:hover:not(.quiz-option-disabled):not(.quiz-option-correct):not(.quiz-option-incorrect){
  background:#e0e0e0;
  border-color:#95a5a6;
}

.quiz-option-selected {
  border-color: #95a5a6;
}

.quiz-option-correct {
  background: #d1f7c4 !important;
}

.quiz-option-incorrect {
  background: #f7d4d4 !important;
}

.quiz-option-disabled {
  cursor: default;
  opacity: 1;
}

.quiz-status {
  width: min(680px, calc(100% - 2rem));
  margin: clamp(2rem, 8vw, 5rem) auto;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--clr-surface);
  text-align: center;
}

.quiz-status--error { border-color: var(--maple); }
.quiz-status span { display: block; margin: 0.35rem 0 1rem; }

/* =========================================================================
      Navigation buttons
      =======================================================================*/
.quiz-button-container {
  display: flex;
  flex-wrap:wrap;
  gap: 10px;
}

.quiz-button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  font-size: clamp(1rem, 0.75rem + 0.5vw, 1.15rem);
  font-weight: 700;
  border: 0;
  border-radius: 5px;
  color: #fff;
  background: var(--clr-primary);
  cursor: pointer;
  transition: .2s ease;
}

.quiz-button:hover:not(.disabled) {
  background: var(--clr-primary-dark);
  transform: scale(1.05);
}

.quiz-button.disabled {
  background: #a0a0a0;
  cursor: not-allowed;
}


.quiz-button.next-test{
  flex:1 1 100%;           /* full-width row */
  margin-top:12px;         /* breathing room */
  background:#2d8a6e;      /* keeps accent colour */
}
.quiz-button.next-test:hover{background:#23705a;}


/* =========================================================================
      Divider & explanation
      =======================================================================*/
.quiz-divider {
  border: none;
  border-top: 1px solid #ccc;
  margin-block: 20px;
}

.quiz-explanation-container {
  font-size: var(--fs-option);
  color: #333;
  line-height: 1.5;
}

/* =========================================================================
      Bottom panel
      =======================================================================*/
.bottom-panel {
  background: #37525b;
  color: #fff;
  text-align: center;
  padding: 30px 10px;
}

.bottom-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.bottom-links a {
  color: #a3d9e0;
  text-decoration: none;
  transition: .2s;
}

.bottom-links a:hover {
  color: #ffc857;
  text-decoration: underline;
}

.cookie-policy {
  cursor: pointer;
  color: #a3d9e0;
  text-decoration: underline;
}

@media (max-width:800px) {
  .bar-image {
    width: 28px;
    height: 28px;
  }

  .bar-text {
    font-size: 1rem;
  }

  .bottom-links {
    flex-direction: column;
    gap: 4px;
  }
}

/* =========================================================================
   Simple animations for slide transitions (Vue <transition>)
   =======================================================================*/
.slide-left-enter-active,
.slide-left-leave-active,
.slide-right-enter-active,
.slide-right-leave-active {
  transition: transform .25s ease;
}

.slide-left-leave-active,
.slide-right-leave-active {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.slide-left-enter-from {
  transform: translateX(100%);
}

.slide-left-enter-to {
  transform: translateX(0);
}

.slide-left-leave-from {
  transform: translateX(0);
}

.slide-left-leave-to {
  transform: translateX(-50%);
}

.slide-right-enter-from {
  transform: translateX(-100%);
}

.slide-right-enter-to {
  transform: translateX(0);
}

.slide-right-leave-from {
  transform: translateX(0);
}

.slide-right-leave-to {
  transform: translateX(50%);
}