/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold:    #c89b3c;
  --gold-light: #f0e6a0;
  --dark:    #0a0e17;
  --dark2:   #0f1923;
  --dark3:   #1a2332;
  --dark4:   #243044;
  --blue:    #0ac8b9;
  --blue2:   #005a82;
  --text:    #cdd6e3;
  --text2:   #7a8fa8;
  --radius:  12px;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  overflow: hidden;
}

#screen-quiz {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh; /* dynamic viewport — excludes mobile browser chrome */
  overflow: hidden;
}

/* ========== SCREEN SYSTEM ========== */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  overflow-y: auto;
}
.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* ========== INTRO ========== */
#screen-intro {
  background: var(--dark);
}
.intro-bg {
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 60% 50%, #001a2e 0%, #0a0e17 70%);
  z-index: 0;
}
.intro-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 60px;
  padding: 40px;
}
.intro-mosaic {
  width: 380px;
  height: 500px;
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  position: relative;
  border-radius: var(--radius);
  box-shadow: 0 0 80px rgba(12,200,185,0.15), 0 0 0 1px rgba(200,155,60,0.2);
}
.intro-mosaic img {
  width: 100%;
  aspect-ratio: 308 / 560;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.intro-mosaic::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent 50%, #0a0e17 100%),
    linear-gradient(to bottom, transparent 65%, #0a0e17 100%);
  pointer-events: none;
}
.intro-text {
  max-width: 480px;
}
.logo-badge {
  display: inline-block;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  color: #0a0e17;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 4px 14px;
  border-radius: 4px;
  margin-bottom: 18px;
  text-transform: uppercase;
}
.intro-text h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.8);
}
.intro-text p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text2);
  margin-bottom: 20px;
}
.intro-hints {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}
.intro-hints span {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.3px;
}

/* ========== BUY ME A COFFEE ========== */
.bmc-wrap {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.bmc-label {
  font-size: 12px;
  color: #506070;
  margin: 0;
}
.bmc-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #FFDD00;
  color: #000;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(255,221,0,0.25);
}
.bmc-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,221,0,0.4);
}

/* ========== BUTTONS ========== */
.btn-primary {
  background: linear-gradient(135deg, #c89b3c, #f0e6a0, #c89b3c);
  background-size: 200% 100%;
  border: none;
  color: #0a0e17;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}
.btn-primary:hover {
  background-position: 100% 0;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,155,60,0.4);
}
.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--dark4);
  color: var(--text2);
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-ghost:hover:not(:disabled) {
  border-color: var(--text2);
  color: var(--text);
}
.btn-ghost:disabled { opacity: 0.3; cursor: not-allowed; }

/* ========== QUIZ HEADER ========== */
.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--dark4);
  background: var(--dark2);
  flex-shrink: 0;
}
.quiz-logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 1px;
}
.progress-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}
.progress-bar {
  width: 220px;
  height: 6px;
  background: var(--dark4);
  border-radius: 3px;
  overflow: hidden;
}
#progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue2), var(--blue));
  border-radius: 3px;
  transition: width 0.4s ease;
  width: 6.67%;
}
#progress-label {
  font-size: 13px;
  color: var(--text2);
  white-space: nowrap;
}

/* ========== QUIZ BODY ========== */
.quiz-body {
  flex: 1;
  min-height: 0;        /* lets flex child shrink so overflow triggers */
  overflow-y: auto;     /* scroll when options exceed viewport height */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px 20px;
}
.question-card {
  width: 100%;
  max-width: 760px;
  animation: fadeUp 0.35s ease;
  margin-top: auto;     /* auto margins center the card when space allows */
  margin-bottom: auto;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.q-number {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.question-card h2 {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.question-card p {
  font-size: 14px;
  color: var(--text2);
  margin-bottom: 32px;
  line-height: 1.5;
}

/* ========== OPTIONS ========== */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.options-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.options-grid.cols-1 { grid-template-columns: 1fr; }

.option-btn {
  background: var(--dark3);
  border: 2px solid var(--dark4);
  border-radius: var(--radius);
  padding: 18px 20px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--text);
}
.option-btn:hover {
  border-color: var(--blue);
  background: var(--dark4);
  transform: translateY(-2px);
}
.option-btn.selected {
  border-color: var(--gold);
  background: rgba(200,155,60,0.08);
}
.option-btn.selected .opt-icon { color: var(--gold); }
.opt-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}
.opt-label {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}
.opt-desc {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.4;
}

/* ========== OPTION CHECKMARK ========== */
.option-btn {
  position: relative;
}
.check-mark {
  display: none;
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 13px;
  font-weight: 800;
  color: var(--gold);
  background: rgba(200,155,60,0.15);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
}
.option-btn.selected .check-mark { display: block; }

/* ========== NAV ========== */
.quiz-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 40px;
  border-top: 1px solid var(--dark4);
  background: var(--dark2);
  flex-shrink: 0;
  gap: 12px;
}
.select-hint {
  font-size: 12px;
  color: var(--text2);
  text-align: center;
  flex: 1;
  transition: color 0.2s;
}

/* ========== SKIP BUTTON ========== */
.btn-skip {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-skip:hover { color: var(--text); }

/* ========== WARNING OVERLAY ========== */
.warning-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.warning-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.warning-box {
  background: var(--dark3);
  border: 1px solid var(--gold);
  border-radius: 16px;
  padding: 40px 36px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}
.warning-icon { font-size: 38px; margin-bottom: 14px; }
.warning-box h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 12px;
}
.warning-box p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 28px;
}
.warning-box p strong { color: var(--text); }
.warning-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ========== LOADING ========== */
#screen-loading {
  background: var(--dark);
  align-items: center;
  justify-content: center;
}
.loading-inner {
  text-align: center;
}
.spinner {
  width: 56px;
  height: 56px;
  border: 4px solid var(--dark4);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
#loading-text {
  font-size: 16px;
  color: var(--text2);
  animation: pulse 1.5s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ========== RESULTS ========== */
#screen-results {
  background: var(--dark);
  overflow-y: auto;
}
.results-header {
  text-align: center;
  padding: 48px 20px 24px;
  background: linear-gradient(180deg, var(--dark2), transparent);
}
.results-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 10px;
}
.results-header p {
  font-size: 16px;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 40px 40px;
}

/* Champion card */
.champ-card {
  background: var(--dark3);
  border: 1px solid var(--dark4);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
}
.champ-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.champ-card.rank-1 {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(200,155,60,0.2);
}
.champ-card.rank-1 .rank-badge { background: linear-gradient(135deg, var(--gold), var(--gold-light)); color: #000; }

.champ-card.rank-wildcard {
  border-color: #7c4dbd;
  box-shadow: 0 0 30px rgba(124,77,189,0.2);
}
.champ-card.rank-wildcard .rank-badge {
  background: linear-gradient(135deg, #7c4dbd, #b48ef5);
  color: #fff;
}
.wildcard-bar {
  background: linear-gradient(90deg, #7c4dbd, #b48ef5) !important;
}
.wildcard-label {
  color: #b48ef5 !important;
}

.rank-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--dark4);
  color: var(--text2);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 1px;
  z-index: 2;
}
.champ-splash {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.champ-body {
  padding: 16px;
}
.champ-name {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}
.champ-title {
  font-size: 12px;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.champ-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 4px;
  background: var(--dark4);
  color: var(--blue);
  border: 1px solid var(--blue2);
  letter-spacing: 0.5px;
}
.champ-why {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
  border-top: 1px solid var(--dark4);
  padding-top: 12px;
  margin-top: 4px;
}
.champ-match {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.match-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--dark4);
  border-radius: 3px;
  overflow: hidden;
}
.match-bar {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--blue2), var(--blue));
  transition: width 1s ease 0.3s;
}
.match-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  white-space: nowrap;
}

.results-footer {
  text-align: center;
  padding: 20px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.results-footer .bmc-wrap {
  align-items: center;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 800px) {
  .intro-content { flex-direction: column; gap: 30px; padding: 30px 20px; }
  .intro-mosaic { width: 100%; height: 220px; }
  .intro-text h1 { font-size: 34px; }
  .quiz-header { padding: 12px 16px; }
  .quiz-logo { font-size: 13px; }
  .progress-bar { width: 100px; }
  .quiz-body { padding: 24px 16px; }
  .quiz-nav {
    padding: 10px 16px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
    flex-wrap: wrap;
    gap: 8px;
  }
  /* Row 1: Back + hint + Skip */
  .btn-back-wrap, #btn-back { order: 1; }
  .select-hint { order: 2; font-size: 11px; }
  #btn-skip { order: 3; }
  /* Row 2: Next full-width */
  #btn-next {
    order: 4;
    width: 100%;
    padding: 14px;
    font-size: 16px;
  }
  .options-grid { grid-template-columns: 1fr; }
  .options-grid.cols-3 { grid-template-columns: 1fr; }
  .question-card h2 { font-size: 20px; }
  .question-card p { margin-bottom: 20px; }
  .results-grid { padding: 16px 12px; grid-template-columns: 1fr 1fr; }
  .results-header { padding: 32px 16px 16px; }
  .results-header h2 { font-size: 26px; }
  .results-header p { font-size: 14px; }
}
@media (max-width: 500px) {
  .results-grid { grid-template-columns: 1fr; }
  .intro-text h1 { font-size: 28px; }
  .btn-primary { width: 100%; text-align: center; }
}