/* ============================================================
   Sea Mastery — quiz.css
   Add to quiz.php and quiz_result.php <head>, AFTER existing links:
   <link rel="stylesheet" href="../styles/quiz.css">
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&display=swap');

/* ------------------------------------------------------------
   CSS variables
   ------------------------------------------------------------ */
.quiz-page {
  --q-navy:        #0a2540;
  --q-blue:        #185FA5;
  --q-blue-light:  #EBF3FD;
  --q-blue-mid:    #B5D4F4;
  --q-green:       #0F6E56;
  --q-green-light: #E1F5EE;
  --q-coral:       #993C1D;
  --q-coral-light: #FAECE7;
  --q-border:      rgba(0,0,0,0.09);
  --q-text:        #1a1a1a;
  --q-text2:       #555;
  --q-text3:       #888;
  --q-surface:     #ffffff;
  --q-radius:      10px;
}

/* ------------------------------------------------------------
   Banner / nav
   ------------------------------------------------------------ */
.quiz-page .banner {
  background-color: var(--q-navy) !important;
  padding: 0 !important;
}

.quiz-page nav {
  background-color: var(--q-navy) !important;
  max-width: 100% !important;
  padding: 0 16px !important;
}

.quiz-page .nav-site-name {
  font-family: 'DM Serif Display', serif;
  font-size: 18px;
  color: #ffffff;
  margin-left: 14px;
  letter-spacing: 0.01em;
  flex: 1;
}

/* ------------------------------------------------------------
   Main
   ------------------------------------------------------------ */
.quiz-page main {
  background-color: #F5F7FA !important;
  border: none !important;
  box-shadow: none !important;
  max-width: 680px !important;
  width: 94% !important;
  padding: 24px 16px 80px !important;
  margin: 24px auto !important;
}

/* ------------------------------------------------------------
   Progress line — "Question X of Y"
   ------------------------------------------------------------ */
.quiz-page main > p:first-child {
  font-size: 12.5px;
  color: var(--q-text3);
  margin-bottom: 12px !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.q-progress-bar {
  flex: 1;
  height: 3px;
  background: #E0E4EC;
  border-radius: 99px;
  overflow: hidden;
  display: inline-block;
}
.q-progress-fill {
  height: 100%;
  width: var(--progress-width, 0%);
  background: var(--q-blue);
  border-radius: 99px;
  transition: width 0.4s ease;
  display: block;
}

/* ------------------------------------------------------------
   Question card
   ------------------------------------------------------------ */
.q-card {
  background: var(--q-surface);
  border: 0.5px solid var(--q-border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.q-question-text {
  font-family: 'DM Serif Display', serif !important;
  font-size: 18px !important;
  line-height: 1.55 !important;
  color: var(--q-text) !important;
  margin: 0 !important;
  border: none !important;
  background: none !important;
  box-shadow: none !important;
}

/* ------------------------------------------------------------
   Answer options
   ------------------------------------------------------------ */
.q-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.q-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 0.5px solid var(--q-border);
  border-radius: var(--q-radius);
  background: var(--q-surface);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
}

.q-option:hover {
  border-color: #0e7490;
  background: #ecfeff;
}

/* Hide native radio button */
.q-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.q-option-letter {
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  border: 0.5px solid #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--q-text2);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.q-option-text {
  font-size: 14px;
  color: var(--q-text);
  line-height: 1.45;
}

/* Selected state */
.q-option.is-selected {
  border-color: #0a2540;
  background: #dbeafe;
}
.q-option.is-selected .q-option-letter {
  background: #0a2540;
  border-color: #0a2540;
  color: #fff;
}

/* Wrong state */
.q-option.is-wrong {
  border-color: var(--q-coral) !important;
  background: var(--q-coral-light) !important;
  cursor: default;
}
.q-option.is-wrong .q-option-letter {
  background: var(--q-coral) !important;
  border-color: var(--q-coral) !important;
  color: #fff !important;
}

/* Correct state — must come after is-wrong */
.q-option.is-correct {
  border-color: var(--q-green) !important;
  background: var(--q-green-light) !important;
  cursor: default;
}
.q-option.is-correct .q-option-letter {
  background: var(--q-green) !important;
  border-color: var(--q-green) !important;
  color: #fff !important;
}

/* Locked — other options after submit */
.q-option.is-locked {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* ------------------------------------------------------------
   Explanation box
   ------------------------------------------------------------ */
.q-explanation {
  display: none;
  background: #EBF3FD;
  border: 0.5px solid #B5D4F4;
  border-radius: var(--q-radius);
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: #1e3a5f;
  margin-bottom: 16px;
}
.q-explanation.is-visible {
  display: block;
}

/* ------------------------------------------------------------
   Buttons — Submit and Next Question
   ------------------------------------------------------------ */
.quiz-page #submit_answer,
.quiz-page button[name="submit_answer"],
.quiz-page #next_question,
.quiz-page button[name="next_question"] {
  background: var(--q-blue) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 8px !important;
  padding: 11px 24px !important;
  font-family: 'Roboto', sans-serif !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  width: 100% !important;
  cursor: pointer;
  transition: background 0.15s;
  margin-top: 4px;
  display: block;
}

.quiz-page #submit_answer:hover,
.quiz-page button[name="submit_answer"]:hover,
.quiz-page #next_question:hover,
.quiz-page button[name="next_question"]:hover {
  background: #0c447c !important;
}

.quiz-page #submit_answer:disabled,
.quiz-page button[name="submit_answer"]:disabled {
  background: var(--q-blue-mid) !important;
  cursor: default;
}

/* ------------------------------------------------------------
   Timer
   ------------------------------------------------------------ */
.quiz-page #timer {
  font-size: 12.5px;
  color: var(--q-text3);
  margin-top: 12px;
  text-align: right;
}

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.quiz-page footer {
  font-size: 12px;
  background-color: var(--q-navy) !important;
}

/* ------------------------------------------------------------
   Results page
   ------------------------------------------------------------ */
.quiz-page main h1 {
  font-family: 'DM Serif Display', serif !important;
  font-size: 24px !important;
  color: var(--q-text) !important;
  font-weight: 400 !important;
  margin-bottom: 4px !important;
  box-shadow: none !important;
  border: none !important;
  background: none !important;
}

.q-results-card {
  background: var(--q-surface);
  border: 0.5px solid var(--q-border);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 16px 0 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.q-results-card p {
  font-size: 14px !important;
  color: var(--q-text2) !important;
  margin: 0 0 12px !important;
  padding-bottom: 12px !important;
  border-bottom: 0.5px solid var(--q-border) !important;
  display: flex !important;
  justify-content: space-between !important;
  box-shadow: none !important;
}
.q-results-card p:last-child {
  margin-bottom: 0 !important;
  padding-bottom: 0 !important;
  border-bottom: none !important;
}
.q-results-card p.is-score {
  font-size: 17px !important;
  color: var(--q-blue) !important;
  font-weight: 500 !important;
}
.q-results-card p strong {
  color: var(--q-text);
  font-weight: 500;
}

.quiz-page main a.block {
  background: var(--q-blue) !important;
  color: #fff !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  padding: 12px 24px !important;
  transition: background 0.15s !important;
  text-decoration: none;
  display: block;
  text-align: center;
  margin-top: 0 !important;
}
.quiz-page main a.block:hover {
  background: #0c447c !important;
}

/* ------------------------------------------------------------
   Mobile — 600px and below
   ------------------------------------------------------------ */
@media (max-width: 600px) {

  .quiz-page main {
    width: 96% !important;
    padding: 16px 12px 100px !important;
    margin: 12px auto !important;
  }

  .q-question-text {
    font-size: 16px !important;
  }

  .q-option {
    padding: 13px 14px;
  }

  .q-submit-wrap {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--q-surface);
    border-top: 0.5px solid var(--q-border);
    padding: 12px 16px;
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.07);
  }

  .quiz-page #submit_answer,
  .quiz-page button[name="submit_answer"],
  .quiz-page #next_question,
  .quiz-page button[name="next_question"] {
    margin-top: 0 !important;
  }

  .quiz-page #timer {
    text-align: left;
  }

}
