/* ============================================================
   Quiz Interactivo - Certificación Growth Manager
   Variables & Reset
   ============================================================ */

:root {
  --primary: #0A0A0A;
  --accent: #FF6B35;
  --accent-light: #FF8C5A;
  --accent-dark: #E55A25;
  --bg-main: #0F0F0F;
  --bg-card: #1A1A1A;
  --bg-card-hover: #222222;
  --border: #2A2A2A;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #606060;
  --success: #22C55E;
  --success-bg: #0F2E1A;
  --error: #EF4444;
  --error-bg: #2E0F0F;
  --warning: #F59E0B;
  --radius: 12px;
  --radius-lg: 20px;
}

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* ============================================================
   Screen Management
   ============================================================ */

.screen {
  display: none;
  min-height: 100vh;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.screen.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 1;
}

/* ============================================================
   PANTALLA 1: INTRO
   ============================================================ */

.intro-container {
  max-width: 640px;
  width: 100%;
  padding: 48px 24px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.intro-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.academy-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: rgba(255, 107, 53, 0.12);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 20px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}

.intro-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.intro-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

/* Stats Grid */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Instructions */

.instructions {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 32px;
  text-align: left;
}

.instructions-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.instructions-list {
  list-style: none;
  counter-reset: inst;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.instructions-list li {
  counter-increment: inst;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.instructions-list li::before {
  content: counter(inst);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  background: rgba(255, 107, 53, 0.12);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* Last result badge */

.last-result {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* Primary button */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  max-width: 360px;
  min-height: 52px;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.btn-primary:active {
  background: var(--accent-dark);
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-primary:disabled:hover {
  background: var(--accent);
  transform: none;
}

.btn-arrow {
  font-size: 1.2rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
  max-width: 360px;
  min-height: 48px;
}

.btn-secondary:hover {
  background: rgba(255, 107, 53, 0.1);
}

.attempts-remaining {
  padding: 10px 20px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius);
  color: var(--warning);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.intro-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   PANTALLA 2: QUIZ
   ============================================================ */

#screen-quiz {
  padding: 0;
}

#screen-quiz.active {
  display: flex;
  flex-direction: column;
}

.quiz-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  border-bottom: 1px solid var(--border);
  width: 100%;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--border);
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}

.quiz-header-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.question-counter {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.timer {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Quiz body */

.quiz-body {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 40px;
  flex: 1;
}

.question-card {
  margin-bottom: 32px;
}

.question-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 107, 53, 0.12);
  border-radius: 8px;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.question-text {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-primary);
}

/* Options */

.options-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  min-height: 56px;
}

.option-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 107, 53, 0.3);
}

.option-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.option-btn.selected {
  border-color: var(--accent);
  background: rgba(255, 107, 53, 0.08);
  transform: scale(1.01);
}

.option-btn.selected .option-letter {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.option-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.option-text {
  flex: 1;
}

/* Quiz navigation buttons */

.quiz-nav-buttons {
  display: flex;
  gap: 12px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 52px;
  white-space: nowrap;
}

.btn-back:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
  color: var(--text-primary);
}

.btn-back:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-next {
  flex: 1;
}

/* ============================================================
   PANTALLA 2.5: FORMULARIO
   ============================================================ */

.form-container {
  max-width: 520px;
  width: 100%;
  padding: 48px 24px;
  margin: 0 auto;
}

.form-header {
  text-align: center;
  margin-bottom: 40px;
}

.form-emoji {
  font-size: 3rem;
  margin-bottom: 16px;
  line-height: 1;
}

.form-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.quiz-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.2s ease;
  outline: none;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--accent);
}

.form-input.input-error {
  border-color: var(--error);
}

.form-select {
  padding: 14px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
  min-width: 110px;
}

.form-select:focus {
  border-color: var(--accent);
}

.phone-group {
  display: flex;
  gap: 8px;
}

.phone-group .form-input {
  flex: 1;
}

.form-error {
  padding: 12px 16px;
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius);
  color: var(--error);
  font-size: 0.9rem;
}

.btn-submit {
  margin-top: 8px;
  max-width: 100%;
  width: 100%;
}

/* ============================================================
   PANTALLA BLOQUEADO
   ============================================================ */

.blocked-container {
  max-width: 520px;
  width: 100%;
  padding: 80px 24px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.blocked-icon {
  font-size: 4rem;
  margin-bottom: 24px;
  line-height: 1;
}

.blocked-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.blocked-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
}

.blocked-countdown {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.countdown-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  min-width: 80px;
  line-height: 1;
}

.countdown-separator {
  font-family: "JetBrains Mono", monospace;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blocked-note {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============================================================
   PANTALLA 3: RESULTADOS
   ============================================================ */

.results-container {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 40px 24px 60px;
  position: relative;
}

/* Confetti */

.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  overflow: hidden;
}

.confetti-particle {
  position: absolute;
  top: -10px;
  border-radius: 2px;
  animation: confettiFall linear forwards;
  opacity: 1;
}

@keyframes confettiFall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  80% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(720deg);
    opacity: 0;
  }
}

/* Result status */

.result-status {
  text-align: center;
  padding: 48px 24px;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}

.result-passed {
  background: linear-gradient(135deg, var(--success-bg), rgba(34, 197, 94, 0.05));
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.result-failed {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.result-emoji {
  font-size: 3.5rem;
  margin-bottom: 16px;
  line-height: 1;
}

.result-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.result-passed .result-title {
  color: var(--success);
}

.result-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Results stats grid */

.results-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}

.result-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.result-stat-icon {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.result-stat-correct .result-stat-icon { color: var(--success); }
.result-stat-incorrect .result-stat-icon { color: var(--error); }
.result-stat-percent .result-stat-icon { color: var(--accent); }
.result-stat-time .result-stat-icon { color: var(--text-secondary); }

.result-stat-number {
  font-family: "JetBrains Mono", monospace;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
}

.result-stat-correct .result-stat-number { color: var(--success); }
.result-stat-incorrect .result-stat-number { color: var(--error); }
.result-stat-percent .result-stat-number { color: var(--accent); }
.result-stat-time .result-stat-number { color: var(--text-primary); }

.result-stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Results sections */

.results-section {
  margin-bottom: 32px;
}

.results-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

/* Topics breakdown */

.topics-breakdown {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topic-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.topic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topic-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.topic-score {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.topic-bar-bg {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.topic-bar-fill {
  height: 100%;
  border-radius: 4px;
  width: 0;
  animation: fillBar 0.8s ease forwards;
}

.topic-bar-fill.bar-success { background: var(--success); }
.topic-bar-fill.bar-warning { background: var(--warning); }
.topic-bar-fill.bar-error { background: var(--error); }

@keyframes fillBar {
  from { width: 0; }
  to { width: var(--fill-width); }
}

.topic-percent {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Reinforce pills */

.reinforce-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reinforce-pill {
  display: inline-block;
  padding: 6px 14px;
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 20px;
  color: var(--error);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Review toggle */

.btn-toggle-review {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-toggle-review:hover {
  background: var(--bg-card-hover);
}

.toggle-arrow {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

/* Review list */

.review-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.review-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.4;
  flex-wrap: wrap;
}

.review-correct {
  background: rgba(34, 197, 94, 0.05);
}

.review-incorrect {
  background: rgba(239, 68, 68, 0.05);
}

.review-icon {
  flex-shrink: 0;
  font-size: 0.9rem;
  margin-top: 1px;
}

.review-correct .review-icon { color: var(--success); }
.review-incorrect .review-icon { color: var(--error); }

.review-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 28px;
}

.review-question {
  flex: 1;
  min-width: 200px;
  color: var(--text-secondary);
}

.review-answer {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.review-correct .review-answer { color: var(--success); }
.review-incorrect .review-answer { color: var(--error); }

/* Share buttons */

.results-actions {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.share-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.btn-share {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  flex: 1;
  justify-content: center;
  min-width: 140px;
}

.btn-share:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-share:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-share.copied {
  background: var(--success-bg);
  border-color: rgba(34, 197, 94, 0.3);
  color: var(--success);
}

/* Action buttons */

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.btn-retry {
  max-width: 100%;
  width: 100%;
}

.btn-certificate {
  max-width: 100%;
  width: 100%;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  width: 100%;
  padding: 20px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 639px) {
  .intro-container {
    padding: 32px 16px;
  }

  .intro-title {
    font-size: 1.8rem;
  }

  .intro-subtitle {
    font-size: 0.95rem;
  }

  .stat-number {
    font-size: 1.2rem;
  }

  .stat-card {
    padding: 16px 8px;
  }

  .quiz-header-info {
    padding: 12px 16px;
  }

  .quiz-body {
    padding: 24px 16px 32px;
  }

  .question-text {
    font-size: 1.05rem;
  }

  .option-btn {
    padding: 14px 16px;
    gap: 12px;
    font-size: 0.95rem;
  }

  .option-letter {
    min-width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

  .results-container {
    padding: 24px 16px 48px;
  }

  .result-status {
    padding: 32px 16px;
  }

  .result-title {
    font-size: 1.6rem;
  }

  .result-stat-number {
    font-size: 2rem;
  }

  .share-buttons {
    flex-direction: column;
  }

  .btn-share {
    width: 100%;
  }

  .review-item {
    padding: 10px 12px;
    font-size: 0.8rem;
  }

  .review-question {
    min-width: 150px;
  }

  .review-answer {
    width: 100%;
    margin-top: 4px;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .intro-container {
    padding: 48px 24px;
  }

  .results-container {
    padding: 40px 24px 60px;
  }
}

@media (min-width: 1024px) {
  .intro-container {
    padding: 64px 24px;
  }

  .btn-primary:not(.btn-next):not(.btn-retry) {
    width: auto;
    min-width: 300px;
  }
}