/* ─────────────────────────────────────────────────────────────────────────────
   AnestOpe — Simulador Web  |  simulador.css
   Paleta: Forest Green #007955 · Emerald #00A36D · BG #F5F7FA · Dark #1A2E35
───────────────────────────────────────────────────────────────────────────── */

/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green:   #007955;
  --emerald: #00A36D;
  --green-dark: #005C40;
  --bg:      #F5F7FA;
  --white:   #FFFFFF;
  --dark:    #1A2E35;
  --slate:   #4A5568;
  --muted:   #8FA3B1;
  --border:  #E2E8EF;
  --red:     #E53E3E;
  --red-bg:  #FFF5F5;
  --green-bg:#F0FFF4;
  --blue:    #2563EB;
  --blue-bg: #EFF6FF;
  --gold:    #D97706;
  --gold-bg: #FFFBEB;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
}

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

body.sim-page {
  font-family: 'Inter', 'Lato', system-ui, sans-serif;
  background: var(--bg);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── HEADER ──────────────────────────────────────────────────────────────── */
.sim-header {
  background: linear-gradient(135deg, var(--green-dark), var(--emerald));
  padding: 0 24px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  border-radius: 0 0 35px 35px;
  box-shadow: var(--shadow-md);
}

.sim-header-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 14px 0 18px;
}

.sim-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.sim-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sim-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.sim-brand-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

.sim-brand-text { color: #fff; }
.sim-brand-text strong { display: block; font-size: 15px; font-weight: 800; line-height: 1.1; letter-spacing: -0.3px; }
.sim-brand-text span { font-size: 10px; opacity: 0.8; font-weight: 500; text-transform: uppercase; letter-spacing: 0.8px; }

.sim-back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.12);
  transition: background 0.2s;
}
.sim-back-btn:hover { background: rgba(255,255,255,0.2); }

/* Progress bar */
.sim-progress-bar {
  height: 5px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  overflow: hidden;
  display: none;
}
.sim-progress-bar.visible { display: block; }
.sim-progress-fill {
  height: 100%;
  background: rgba(255,255,255,0.9);
  border-radius: 10px;
  transition: width 0.4s cubic-bezier(0.4,0,0.2,1);
  width: 0%;
}

/* Quiz meta bar */
.sim-meta-bar {
  display: none;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}
.sim-meta-bar.visible { display: flex; }

.sim-counter {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.3px;
}

.sim-timer {
  font-size: 14px;
  font-weight: 800;
  color: rgba(255,255,255,0.95);
  background: rgba(255,255,255,0.15);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.sim-timer::before { content: '⏱'; font-size: 12px; }
.sim-timer.urgent {
  background: rgba(229,62,62,0.4);
  color: #fff;
  animation: pulse-timer 1s ease infinite;
}

@keyframes pulse-timer {
  0%,100% { transform: scale(1); }
  50%      { transform: scale(1.04); }
}

/* ── MAIN CONTAINER ───────────────────────────────────────────────────────── */
.sim-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 40px;
}

/* ── SCREENS ─────────────────────────────────────────────────────────────── */
.sim-screen {
  display: none;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 720px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.sim-screen.active {
  opacity: 1;
  transform: translateY(0);
}

/* ── INTRO SCREEN ────────────────────────────────────────────────────────── */
.intro-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  text-align: center;
  max-width: 560px;
  width: 100%;
  border: 1px solid var(--border);
}

.intro-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--green), var(--emerald));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(0,121,85,0.3);
}

.intro-card h1 {
  font-size: 28px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.intro-card h1 span {
  background: linear-gradient(135deg, var(--green), var(--emerald));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.intro-card p {
  color: var(--slate);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}

.intro-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 32px;
}

.intro-feat {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  border: 1px solid var(--border);
}

.intro-feat .feat-icon { font-size: 18px; }

.btn-start {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--green), var(--emerald));
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
  width: 100%;
  letter-spacing: -0.2px;
  box-shadow: 0 6px 20px rgba(0,121,85,0.35);
  transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
  position: relative;
  overflow: hidden;
}

.btn-start::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0),rgba(255,255,255,0.12));
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-start:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,121,85,0.4); filter: brightness(1.05); }
.btn-start:hover::after { opacity: 1; }
.btn-start:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(0,121,85,0.3); }

.intro-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ── QUIZ SCREEN ──────────────────────────────────────────────────────────── */
.quiz-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
}

/* Dots tracker */
.sim-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s;
}
.dot-ok      { background: var(--emerald); transform: scale(1.1); }
.dot-err     { background: var(--red); transform: scale(1.1); }
.dot-current { background: var(--green); box-shadow: 0 0 0 3px rgba(0,121,85,0.25); transform: scale(1.2); }

/* Question card */
.sim-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--border);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.25s;
}

.sim-card.card-ok {
  border-color: var(--emerald);
  box-shadow: 0 0 0 3px rgba(0,163,109,0.15), var(--shadow-md);
}

.sim-card.card-err {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(229,62,62,0.15), var(--shadow-md);
}

.sim-card.slide-out { transform: translateX(-40px); opacity: 0; }
.sim-card.slide-in  { animation: slideIn 0.35s cubic-bezier(0.4,0,0.2,1) forwards; }

@keyframes slideIn {
  from { transform: translateX(40px); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

.sim-card-header {
  padding: 16px 20px 12px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, #fafbfc, var(--white));
}

.sim-badge { margin-bottom: 6px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.2px;
}

.badge-oficial { background: #EBF4FF; color: #1D4ED8; border: 1px solid #BFDBFE; }
.badge-ia      { background: #F5F3FF; color: #7C3AED; border: 1px solid #DDD6FE; }

.sim-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.meta-tag {
  font-weight: 700;
  color: var(--green);
  background: rgba(0,121,85,0.08);
  padding: 2px 8px;
  border-radius: 20px;
}

.meta-dot { color: var(--muted); }

.meta-dif { font-weight: 600; }
.dif-alta  { color: #C05621; }
.dif-media { color: #2563EB; }
.dif-baja  { color: var(--emerald); }

.sim-card-body { padding: 20px; }

.sim-question {
  font-family: 'Lora', 'Georgia', serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--dark);
  margin-bottom: 20px;
}

/* Options */
.sim-options { display: flex; flex-direction: column; gap: 8px; }

.opt-btn {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  width: 100%;
}

.opt-btn:hover:not(:disabled) {
  border-color: var(--green);
  background: rgba(0,121,85,0.04);
  transform: translateX(3px);
}

.opt-btn:disabled { cursor: default; }

.opt-letter {
  width: 26px;
  height: 26px;
  min-width: 26px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--slate);
  transition: all 0.2s;
}

.opt-text {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.2s;
}

/* Correct / Wrong states */
.opt-btn.correct {
  border-color: var(--emerald);
  background: var(--green-bg);
}
.opt-btn.correct .opt-letter {
  background: var(--emerald);
  border-color: var(--emerald);
  color: #fff;
}
.opt-btn.correct .opt-text { color: #276749; font-weight: 700; }

.opt-btn.wrong {
  border-color: var(--red);
  background: var(--red-bg);
}
.opt-btn.wrong .opt-letter {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}
.opt-btn.wrong .opt-text { color: var(--red); }

/* ── EXPLANATION ─────────────────────────────────────────────────────────── */
.sim-explanation {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  border-top: 1px solid var(--border);
  padding: 18px 20px;
}

.sim-explanation.show { opacity: 1; transform: translateY(0); }

.exp-section {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.exp-icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.exp-section.exp-main .exp-icon  { background: var(--blue-bg); }
.exp-section.exp-bib .exp-icon   { background: var(--green-bg); }

.exp-content h4 {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.exp-section.exp-main h4 { color: var(--blue); }
.exp-section.exp-bib h4  { color: var(--green); }

.exp-content p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

/* Tip OPE */
.tip-block {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--gold-bg);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: 4px;
}

.tip-icon { font-size: 16px; margin-top: 1px; }

.tip-label {
  font-size: 10px;
  font-weight: 800;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 2px;
}

.tip-text { font-size: 12.5px; font-weight: 700; color: #92400E; line-height: 1.45; }

/* ── NEXT BUTTON ─────────────────────────────────────────────────────────── */
.sim-next-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--green), var(--emerald));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  margin: 12px 20px 20px;
  width: calc(100% - 40px);
  box-shadow: 0 4px 16px rgba(0,121,85,0.3);
  transition: transform 0.15s, box-shadow 0.15s;
  letter-spacing: -0.1px;
}

.sim-next-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,121,85,0.4); }

/* ── RESULTS SCREEN ───────────────────────────────────────────────────────── */
.results-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  width: 100%;
  max-width: 600px;
}

.results-header {
  background: linear-gradient(135deg, var(--green-dark), var(--emerald));
  padding: 32px 24px 28px;
  text-align: center;
  color: #fff;
}

.results-header h2 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.results-header p {
  font-size: 14px;
  opacity: 0.85;
}

/* Score ring */
.score-ring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px 24px;
  border-bottom: 1px solid var(--border);
}

.score-ring-svg { position: relative; display: inline-block; }
.score-ring-svg svg { display: block; }

#result-ring-track { fill: none; stroke: var(--border); stroke-width: 8; }
#result-ring-fill {
  fill: none;
  stroke: var(--emerald);
  stroke-width: 8;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1);
}

.score-ring-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#result-score {
  font-size: 30px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
  letter-spacing: -1px;
}

#result-pct {
  font-size: 13px;
  font-weight: 700;
  color: var(--emerald);
  margin-top: 2px;
}

#result-msg {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-top: 16px;
  text-align: center;
}

#result-sub {
  font-size: 13px;
  color: var(--slate);
  margin-top: 6px;
  text-align: center;
  line-height: 1.5;
}

/* Breakdown */
.breakdown-section {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.breakdown-title {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--muted);
  margin-bottom: 12px;
}

.breakdown-grid { display: flex; flex-direction: column; gap: 6px; }

.breakdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--bg);
  font-size: 13px;
}

.breakdown-icon { font-size: 15px; flex-shrink: 0; }

.breakdown-tema {
  font-weight: 600;
  color: var(--dark);
  flex: 1;
}

.breakdown-correcta {
  font-size: 11px;
  font-weight: 700;
  color: var(--red);
  background: var(--red-bg);
  padding: 2px 8px;
  border-radius: 10px;
}

/* CTA section */
.results-cta {
  padding: 24px;
  background: linear-gradient(to bottom, #fafbfc, #f0f9f5);
  text-align: center;
}

.results-cta-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.results-cta-sub {
  font-size: 13px;
  color: var(--slate);
  margin-bottom: 20px;
  line-height: 1.6;
}

.cta-highlight {
  background: rgba(0,121,85,0.07);
  border: 1px solid rgba(0,121,85,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--green-dark);
  font-weight: 600;
  line-height: 1.5;
}

.store-btns {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--dark);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  font-size: 13px;
  font-weight: 700;
  transition: transform 0.15s, background 0.15s;
}

.store-btn:hover { transform: translateY(-2px); background: var(--green-dark); }
.store-btn .store-icon { font-size: 20px; }
.store-btn .store-text small { display: block; font-size: 9px; font-weight: 500; opacity: 0.8; }

.btn-retry {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 700;
  color: var(--slate);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-retry:hover { border-color: var(--green); color: var(--green); background: rgba(0,121,85,0.04); }

/* ── MINI DEMO (en landing index.html) ──────────────────────────────────── */
.demo-sim-cta {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 32px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .intro-card { padding: 32px 22px; border-radius: var(--radius-md); }
  .intro-card h1 { font-size: 23px; }
  .intro-features { grid-template-columns: 1fr; }
  .sim-question { font-size: 14px; }
  .opt-btn { padding: 10px 12px; }
  .opt-text { font-size: 13px; }
  .score-ring-svg svg { width: 140px; height: 140px; }
  #result-score { font-size: 26px; }
  .store-btns { flex-direction: column; align-items: center; }
  .store-btn { width: 100%; justify-content: center; max-width: 260px; }
  .results-cta { padding: 20px; }
  .sim-header { border-radius: 0 0 24px 24px; }
}

@media (min-width: 780px) {
  .sim-question { font-size: 16px; }
  .opt-text { font-size: 14px; }
  .results-header h2 { font-size: 26px; }
}