/* ============================================================
   AI TRIVIA CHALLENGE — MULTIPLAYER STYLES
   ============================================================ */

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

:root {
  --cisco-blue: #049fd9;
  --cisco-blue-dark: #036e99;
  --cisco-green: #6cc04a;
  --cisco-teal: #00bceb;
  --cisco-navy: #0d274d;
  --cisco-dark: #141b2d;
  --cisco-darker: #0b1120;

  --bg-primary: var(--cisco-darker);
  --bg-card: rgba(13, 39, 77, 0.6);
  --bg-card-hover: rgba(4, 159, 217, 0.15);
  --text-primary: #ffffff;
  --text-secondary: #a0b4cc;
  --text-muted: #5a7194;
  --accent: var(--cisco-blue);
  --accent-glow: rgba(4, 159, 217, 0.3);
  --success: #6cc04a;
  --danger: #ff4d6a;
  --warning: #f5a623;

  --radius: 12px;
  --radius-lg: 20px;
  --max-width: 960px;
  --transition: 0.3s ease;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(4,159,217,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(108,192,74,0.06) 0%, transparent 50%);
}

/* ---------- SCREEN MANAGEMENT ---------- */
.screen { display: none; animation: fadeIn 0.4s ease; }
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}
@keyframes pop {
  0%   { transform: scale(0.8); opacity: 0; }
  60%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-8px); }
  40%      { transform: translateX(8px); }
  60%      { transform: translateX(-5px); }
  80%      { transform: translateX(5px); }
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 8px rgba(108,192,74,0.3); }
  50%      { box-shadow: 0 0 24px rgba(108,192,74,0.6); }
}
@keyframes confetti-fall {
  0%   { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(40px) rotate(360deg); opacity: 0; }
}

/* ========================================
   LANDING / SETUP SCREEN
   ======================================== */
.landing-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.landing-top-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.9rem;
}

.btn-upload-docs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(4,159,217,0.45);
  background: rgba(4,159,217,0.15);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.48rem 0.95rem;
  transition: all var(--transition);
}

.btn-upload-docs:hover {
  border-color: rgba(4,159,217,0.8);
  background: rgba(4,159,217,0.28);
}

.home-nav-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.24);
  background: rgba(11, 17, 32, 0.88);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  backdrop-filter: blur(6px);
  transition: all var(--transition);
}

.home-nav-link:hover {
  border-color: rgba(255,255,255,0.52);
  background: rgba(20, 27, 45, 0.96);
}

.logo-area { margin-bottom: 2rem; }
.logo-icon { font-size: 3.5rem; margin-bottom: 0.3rem; animation: pulse 2s ease infinite; }

.landing-container h1 {
  font-size: 2.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cisco-blue), var(--cisco-teal), var(--cisco-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}
.tagline { color: var(--text-secondary); font-size: 1.05rem; }

.topic-picker {
  margin: 0.8rem auto 0.9rem;
  width: min(460px, 100%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  text-align: left;
}

.topic-picker label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.topic-picker select {
  width: 100%;
  padding: 0.78rem 0.95rem;
  border: 2px solid rgba(4,159,217,0.3);
  border-radius: var(--radius);
  background: rgba(13, 39, 77, 0.64);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.98rem;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.topic-picker select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(13, 39, 77, 0.82);
}

.topic-picker select option {
  color: #ffffff;
  background: #123055;
}

/* Team Setup */
.team-setup { margin-bottom: 2.5rem; }
.team-setup h2 { margin-bottom: 1rem; font-size: 1.3rem; color: var(--text-secondary); }

.team-input-row {
  display: flex;
  gap: 0.5rem;
  max-width: 460px;
  margin: 0 auto 1rem;
}

.team-input-row input {
  flex: 1;
  padding: 0.8rem 1.1rem;
  border: 2px solid rgba(4,159,217,0.3);
  border-radius: var(--radius);
  background: rgba(13, 39, 77, 0.5);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition);
}
.team-input-row input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-add-team {
  padding: 0.8rem 1.4rem;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cisco-blue), var(--cisco-teal));
  color: white;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-add-team:hover { transform: translateY(-2px); box-shadow: 0 4px 16px var(--accent-glow); }

/* Team Roster */
.team-roster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  max-width: 600px;
  margin: 0 auto;
}

.team-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  background: var(--bg-card);
  border: 1px solid rgba(4,159,217,0.2);
  font-size: 0.9rem;
  font-weight: 600;
  animation: pop 0.3s ease;
}

.team-chip .chip-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.team-chip .chip-remove {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: none;
  background: rgba(255,77,106,0.2);
  color: var(--danger);
  font-size: 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  line-height: 1;
}
.team-chip .chip-remove:hover { background: var(--danger); color: white; }

.team-count {
  margin-top: 0.8rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Mode Cards */
.mode-select h2 { margin-bottom: 1rem; font-size: 1.3rem; color: var(--text-secondary); }

.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  max-width: 650px;
  margin: 0 auto;
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.5rem 1rem;
  border: 2px solid rgba(4,159,217,0.2);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}
.mode-card:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--accent-glow);
}
.mode-card:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.mode-icon { font-size: 2rem; }
.mode-title { font-size: 1.1rem; font-weight: 700; }
.mode-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.3; }

/* ========================================
   CATEGORY SELECT SCREEN
   ======================================== */
.categories-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.categories-container h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: #f6fbff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.55);
}

.category-generation-progress {
  max-width: 720px;
  margin: 0 auto 1.2rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(122, 202, 238, 0.45);
  background: rgba(5, 21, 40, 0.9);
}

.category-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 7px;
  color: #e8f7ff;
  font-size: 0.84rem;
  font-weight: 700;
}

.category-progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.18);
  overflow: hidden;
}

.category-progress-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #35c3ff, #72de61);
  transition: width 240ms ease;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.8rem 1rem;
  border: 2px solid rgba(130, 203, 241, 0.55);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(5, 20, 39, 0.95), rgba(8, 31, 57, 0.93));
  color: #f5fbff;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.category-card:hover {
  border-color: #7fdbff;
  background: linear-gradient(160deg, rgba(10, 40, 70, 0.95), rgba(13, 48, 82, 0.93));
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(52, 177, 232, 0.35);
}
.category-card:disabled {
  opacity: 0.92;
  cursor: progress;
  transform: none;
  box-shadow: none;
}
.category-card.busy .cat-count {
  color: #ffffff;
}
.category-card .cat-icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.45));
}
.category-card .cat-name {
  font-size: 1rem;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 1px 1px rgba(0,0,0,0.5);
}
.category-card .cat-count {
  font-size: 0.82rem;
  font-weight: 700;
  color: #dbf1ff;
}

/* Back Button */
.btn-back {
  display: inline-block;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(126, 207, 243, 0.5);
  border-radius: var(--radius);
  background: rgba(7, 28, 51, 0.72);
  color: #e7f6ff;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 700;
  transition: all var(--transition);
}
.btn-back:hover {
  color: #ffffff;
  border-color: #8adfff;
  background: rgba(11, 40, 70, 0.78);
}

/* ========================================
   QUIZ SCREEN
   ======================================== */
.quiz-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.2rem 1.5rem 2rem;
}

/* Top Bar */
.quiz-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.quiz-category-badge {
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  background: rgba(4,159,217,0.15);
  color: var(--cisco-teal);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.quiz-progress { flex: 1; max-width: 220px; text-align: center; }
#quiz-progress-text { font-size: 0.85rem; color: var(--text-secondary); }
.progress-bar { height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; margin-top: 0.3rem; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--cisco-blue), var(--cisco-green)); border-radius: 3px; transition: width 0.5s ease; width: 0%; }

/* Timer */
.timer-container { display: flex; justify-content: center; margin-bottom: 0.8rem; }
.timer-ring { position: relative; width: 74px; height: 74px; }
.timer-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.timer-bg { fill: none; stroke: rgba(255,255,255,0.08); stroke-width: 5; }
.timer-fg {
  fill: none;
  stroke: var(--cisco-teal);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.3s ease;
}
.timer-fg.warning { stroke: var(--warning); }
.timer-fg.danger  { stroke: var(--danger); }
.timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.3rem;
  font-weight: 700;
}

.quiz-host-controls {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
}

.btn-quiz-control {
  border: 1px solid rgba(4,159,217,0.4);
  background: rgba(4,159,217,0.14);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-quiz-control:hover {
  background: rgba(4,159,217,0.24);
  border-color: rgba(4,159,217,0.7);
}

.btn-quiz-control.secondary {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.08);
}

.btn-quiz-control.secondary:hover {
  border-color: rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.14);
}

/* Question type badge */
.question-type-badge { text-align: center; margin-bottom: 0.6rem; }
.question-type-badge span {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.type-multiple-choice { background: rgba(108,192,74,0.15); color: var(--cisco-green); }
.type-name-that { background: rgba(245,166,35,0.15); color: var(--warning); }

/* Question text */
.question-area { text-align: center; margin-bottom: 1.2rem; }
.question-text { font-size: 1.25rem; font-weight: 600; line-height: 1.5; animation: slideUp 0.35s ease; }

/* Answer options (display row) */
.answer-options-display {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  animation: slideUp 0.35s ease;
}

.option-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  background: var(--bg-card);
}
.option-letter {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(4,159,217,0.15);
  color: var(--cisco-teal);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.option-text { flex: 1; font-size: 0.95rem; }

/* Team answer panels */
.team-panels-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.locked-counter { color: var(--cisco-green); }

.team-panels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.6rem;
}

.team-panel {
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 0.7rem 0.8rem;
  transition: all var(--transition);
}

.team-panel-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.team-panel-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.team-panel-name {
  font-weight: 700;
  font-size: 0.85rem;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.team-panel-score {
  font-size: 0.75rem;
  color: var(--cisco-green);
  font-weight: 600;
}

.team-answer-btns {
  display: flex;
  gap: 0.35rem;
}

.team-ans-btn {
  flex: 1;
  padding: 0.5rem 0;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background: rgba(13, 39, 77, 0.4);
  color: var(--text-secondary);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.team-ans-btn:hover:not(.disabled) {
  border-color: var(--accent);
  color: var(--text-primary);
  background: rgba(4,159,217,0.15);
}
.team-ans-btn.selected {
  border-color: var(--accent);
  background: rgba(4,159,217,0.25);
  color: white;
}
.team-ans-btn.disabled {
  pointer-events: none;
  opacity: 0.4;
}

.team-panel.locked {
  border-color: rgba(108,192,74,0.3);
}

.team-panel-locked-badge {
  display: none;
  text-align: center;
  padding: 0.45rem;
  font-size: 0.8rem;
  color: var(--cisco-green);
  font-weight: 600;
}
.team-panel.locked .team-answer-btns { display: none; }
.team-panel.locked .team-panel-locked-badge { display: block; }

/* ========================================
   REVEAL SCREEN
   ======================================== */
.reveal-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  text-align: center;
}

.reveal-answer-section { margin-bottom: 2rem; }
.reveal-label {
  font-size: 1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

.reveal-answer {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-lg);
  background: rgba(108,192,74,0.12);
  border: 2px solid var(--success);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  animation: pop 0.4s ease;
}

.reveal-explanation {
  margin-top: 0.8rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Teams who got it right */
.reveal-teams-section { margin-bottom: 2rem; }
.reveal-teams-section h3 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.reveal-teams-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.reveal-team-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  animation: pop 0.4s ease;
}

.reveal-team-chip.correct-chip {
  background: rgba(108,192,74,0.15);
  border: 2px solid var(--success);
  color: var(--success);
}

.reveal-team-chip .rtc-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.reveal-no-one {
  color: var(--text-muted);
  font-style: italic;
  font-size: 1rem;
  padding: 1.5rem;
}

/* Mini Scoreboard on Reveal */
.reveal-mini-scoreboard {
  margin-bottom: 2rem;
  text-align: left;
}
.reveal-mini-scoreboard h3 {
  text-align: center;
  margin-bottom: 0.8rem;
  font-size: 1.1rem;
}

.mini-standing-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 0.4rem;
  animation: slideIn 0.3s ease both;
}

.mini-rank {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  background: rgba(4,159,217,0.15);
  color: var(--cisco-teal);
}
.mini-rank.gold   { background: rgba(255,215,0,0.2); color: #ffd700; }
.mini-rank.silver { background: rgba(192,192,192,0.2); color: #c0c0c0; }
.mini-rank.bronze { background: rgba(205,127,50,0.2); color: #cd7f32; }

.mini-standing-row .ms-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.mini-standing-row .ms-name {
  flex: 1;
  font-weight: 600;
  font-size: 0.9rem;
}

.mini-standing-row .ms-score {
  font-weight: 700;
  color: var(--cisco-green);
  font-size: 0.95rem;
}

.mini-standing-row .ms-bar {
  width: 80px;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.mini-standing-row .ms-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cisco-blue), var(--cisco-green));
  border-radius: 3px;
  transition: width 0.8s ease;
}

.btn-next-big {
  padding: 1rem 3rem;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cisco-blue), var(--cisco-teal));
  color: white;
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-next-big:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

/* ========================================
   FINAL SCOREBOARD SCREEN
   ======================================== */
.scoreboard-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  text-align: center;
}

.scoreboard-header { margin-bottom: 2rem; }
.scoreboard-trophy { font-size: 4rem; animation: pop 0.5s ease; }
.scoreboard-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--cisco-blue), var(--cisco-teal), var(--cisco-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Podium */
.podium {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
  min-height: 220px;
}

.podium-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 140px;
  animation: slideUp 0.5s ease both;
}

.podium-medal { font-size: 2rem; margin-bottom: 0.3rem; }
.podium-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.2rem; }
.podium-score { font-size: 0.85rem; color: var(--cisco-green); font-weight: 600; margin-bottom: 0.5rem; }

.podium-bar {
  width: 100%;
  border-radius: 12px 12px 0 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.5rem;
  font-weight: 800;
  font-size: 1.8rem;
  color: rgba(255,255,255,0.4);
}

.podium-block:nth-child(1) .podium-bar { background: linear-gradient(180deg, rgba(192,192,192,0.25), rgba(192,192,192,0.08)); height: 120px; }
.podium-block:nth-child(2) .podium-bar { background: linear-gradient(180deg, rgba(255,215,0,0.3), rgba(255,215,0,0.1)); height: 160px; }
.podium-block:nth-child(3) .podium-bar { background: linear-gradient(180deg, rgba(205,127,50,0.25), rgba(205,127,50,0.08)); height: 90px; }

/* Full Rankings */
.rankings-table { margin-bottom: 2.5rem; text-align: left; }

.rank-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  margin-bottom: 0.5rem;
  animation: slideIn 0.3s ease both;
}

.rank-num {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  background: rgba(4,159,217,0.15);
  color: var(--cisco-teal);
}
.rank-num.gold   { background: rgba(255,215,0,0.2); color: #ffd700; }
.rank-num.silver { background: rgba(192,192,192,0.2); color: #c0c0c0; }
.rank-num.bronze { background: rgba(205,127,50,0.2); color: #cd7f32; }

.rank-row .rr-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.rank-row .rr-name { flex: 1; font-weight: 700; font-size: 1rem; }
.rank-row .rr-correct { color: var(--success); font-weight: 700; min-width: 60px; text-align: right; }
.rank-row .rr-accuracy { color: var(--text-muted); font-size: 0.85rem; min-width: 50px; text-align: right; }

/* Category Breakdown */
.category-breakdown-section {
  margin-bottom: 2.5rem;
  text-align: left;
}
.category-breakdown-section h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.cat-breakdown-grid {
  overflow-x: auto;
}

.cat-breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.cat-breakdown-table th,
.cat-breakdown-table td {
  padding: 0.6rem 0.8rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cat-breakdown-table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
}

.cat-breakdown-table th:first-child,
.cat-breakdown-table td:first-child {
  text-align: left;
  font-weight: 700;
}

.cat-breakdown-table td.highlight {
  color: var(--success);
  font-weight: 700;
}

/* Question Review */
.question-review-section {
  margin-bottom: 2rem;
  text-align: left;
}
.question-review-section h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.qr-item {
  padding: 1rem;
  margin-bottom: 0.6rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
}

.qr-question { font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; }
.qr-correct-answer { font-size: 0.8rem; color: var(--success); margin-bottom: 0.3rem; }

.qr-teams-who-got-it {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.qr-teams-who-got-it strong { color: var(--cisco-teal); }

/* Actions */
.scoreboard-actions { margin-top: 1.5rem; }

.btn-primary {
  padding: 0.9rem 2.5rem;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cisco-blue), var(--cisco-teal));
  color: white;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 700px) {
  .landing-container h1 { font-size: 2rem; }
  .landing-top-actions { justify-content: center; }
  .mode-cards { grid-template-columns: 1fr; }
  .answer-options-display { grid-template-columns: 1fr; }
  .team-panels { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .podium-block { width: 100px; }
  .podium-block:nth-child(1) .podium-bar { height: 120px; }
  .podium-block:nth-child(2) .podium-bar { height: 90px; }
  .podium-block:nth-child(3) .podium-bar { height: 65px; }
}

@media (max-width: 480px) {
  .quiz-top-bar { flex-direction: column; align-items: stretch; text-align: center; }
  .quiz-progress { max-width: 100%; }
  .team-panels { grid-template-columns: 1fr; }
}

/* Team setup hint */
.team-setup-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

/* ---------- UTILITIES ---------- */
.hidden { display: none !important; }

/* ─────────────────────────────────────────────────────────────
   BROWSER PLAYER JOIN  (Option B — Slido-style)
───────────────────────────────────────────────────────────── */

/* Join code card on landing screen */
.join-code-section {
  background: rgba(4,159,217,0.07);
  border: 1.5px solid rgba(4,159,217,0.25);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.join-code-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.join-code-icon { font-size: 1.2rem; }

.join-code-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.join-code-card {
  background: var(--bg-card);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.join-code-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.join-url {
  display: block;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  word-break: break-all;
  margin-bottom: 14px;
  text-decoration: none;
}

.join-url:hover {
  color: #78ddff;
  text-decoration: underline;
}

.join-code-big {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  background: rgba(4,159,217,0.12);
  border-radius: 10px;
  padding: 10px 20px;
  display: inline-block;
}

.join-players-connected {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 10px;
  min-height: 18px;
  text-align: center;
}

.join-code-actions {
  display: flex;
  gap: 0.55rem;
  justify-content: center;
  margin-top: 0.7rem;
  flex-wrap: wrap;
}

.join-code-action {
  border: 1px solid rgba(4,159,217,0.45);
  background: rgba(4,159,217,0.18);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.join-code-action:hover:not(:disabled) {
  background: rgba(4,159,217,0.3);
  border-color: rgba(4,159,217,0.8);
}

.join-code-action:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.join-code-action.secondary {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.08);
}

.join-code-action.secondary:hover:not(:disabled) {
  border-color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.16);
}

/* Subtle join hint at bottom of quiz screen */
.quiz-join-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 14px;
  padding: 8px 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* Player joined toast */
.player-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(108,192,74,0.95);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 40px;
  white-space: nowrap;
  pointer-events: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  z-index: 9999;
}
.player-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}