/* ---------- PALETA CON ACENTOS VERDES ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  height: 100%;
  font-family: 'Inter', sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  overflow: hidden;
}

/* ---------- HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.6rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  border-bottom: 1px solid #2a2a2a;
}
.header a {
  color: #94a3b8;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 0.3rem 0.8rem;
  border-radius: 30px;
  transition: background 0.2s, color 0.2s;
}
.header a:hover,
.header a.active {
  background: #2a2a2a;
  color: #f0f0f0;
}
.header .slide-indicator {
  color: #7DC89A;
  font-weight: 600;
  margin-left: 0.5rem;
  font-size: 0.85rem;
}

/* ---------- CONTENEDOR DE DIAPOSITIVAS ---------- */
.slides-wrapper {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  margin-top: 54px;
}
.slides-container {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.slide {
  flex: 0 0 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2rem 3rem 3rem;
  background: #0f0f0f;
  scrollbar-width: thin;
  scrollbar-color: #2a2a2a #1a1a1a;
}
.slide::-webkit-scrollbar { width: 6px; }
.slide::-webkit-scrollbar-track { background: #1a1a1a; }
.slide::-webkit-scrollbar-thumb { background: #2a2a2a; border-radius: 8px; }

.slide h2 {
  font-size: 2rem;
  color: #7DC89A;
  border-left: 5px solid #214E34;
  padding-left: 1rem;
  margin-bottom: 1.2rem;
  margin-top: 0.2rem;
}
.slide h3 {
  color: #5A9E73;
  margin-top: 1.5rem;
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}
.slide p {
  color: #d1d9e6;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
.slide ul, .slide ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  color: #d1d9e6;
}
.slide li {
  margin-bottom: 0.4rem;
}
.slide .card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 1.2rem;
  padding: 1.2rem 1.5rem;
  margin: 1rem 0 1.5rem 0;
}
.slide .highlight {
  background: #123324;
  color: #8BC3A0;
  padding: 0.1rem 0.5rem;
  border-radius: 6px;
  font-weight: 500;
}
.slide .grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .slide { padding: 1.5rem; }
  .slide .grid-2 { grid-template-columns: 1fr; }
  .header a { font-size: 0.7rem; padding: 0.2rem 0.5rem; }
}

/* ---------- TARJETAS PARA CONCEPTOS (diapositiva 2) ---------- */
.concept-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 1rem;
  padding: 1rem 1.2rem;
  transition: border-color 0.2s;
}
.concept-card:hover {
  border-color: #214E34;
}
.concept-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  color: #7DC89A;
}
.concept-card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

/* ---------- TABLA Q (fraudes) ---------- */
.q-table-wrapper {
  overflow-x: auto;
  margin: 0.8rem 0 1.5rem 0;
  border-radius: 0.8rem;
  background: #1a1a1a;
}
.q-table-fraud {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
  min-width: 400px;
}
.q-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  align-items: center;
  gap: 0.5rem;
  padding: 0.1rem 0.3rem;
}
.q-row.q-header {
  font-weight: 600;
  color: #cbd5e1;
  border-bottom: 2px solid #2a2a2a;
  padding-bottom: 0.3rem;
}
.q-cell {
  background: #0f0f0f;
  padding: 0.3rem 0.6rem;
  border-radius: 8px;
  text-align: center;
  border: 1px solid #2a2a2a;
  color: #e0e0e0;
}
.q-cell.max {
  background: #0D2419;
  border-color: #214E34;
  font-weight: 600;
  color: #7DC89A;
}
.badge {
  display: inline-block;
  padding: 0.1rem 0.7rem;
  border-radius: 30px;
  font-size: 0.7rem;
  font-weight: 600;
  background: #1a1a1a;
  color: #e0e0e0;
  border: 1px solid #2a2a2a;
}
.badge.green { background: #0f2a1a; color: #86d9a0; border-color: #2a4a3a; }
.badge.red { background: #2a0f0f; color: #f8a0a0; border-color: #4a2a2a; }
.badge.blue { background: #0f1a2a; color: #8bbaff; border-color: #2a3a4a; }

/* ---------- DIAGRAMAS ---------- */
.diagram-box {
  background: #1a1a1a;
  border-radius: 1rem;
  padding: 1rem;
  text-align: center;
  margin: 1rem 0 1.5rem 0;
  border: 1px solid #2a2a2a;
}
.diagram-box img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

/* ---------- SIMULACIÓN ---------- */
.sim-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1rem 0;
}
#gridCanvas {
  border-radius: 1.2rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
  background: #1a1a1a;
  display: block;
  width: 400px;
  height: 400px;
  border: 1px solid #2a2a2a;
}
.controls {
  flex: 1;
  min-width: 220px;
  background: #1a1a1a;
  border-radius: 1.2rem;
  padding: 1.2rem;
  border: 1px solid #2a2a2a;
}
.controls label {
  display: block;
  font-weight: 500;
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #cbd5e1;
}
.controls input[type="range"] {
  width: 100%;
  margin: 0.2rem 0 0.3rem;
  background: #2a2a2a;
  height: 6px;
  border-radius: 4px;
  -webkit-appearance: none;
  appearance: none;
}
.controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #214E34;
  cursor: pointer;
}
.controls .val {
  font-weight: 600;
  color: #7DC89A;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.8rem 0 0.3rem;
}
.btn-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.btn {
  background: #2a2a2a;
  border: none;
  padding: 0.4rem 1rem;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  color: #e0e0e0;
  border: 1px solid #2a2a2a;
}
.btn-primary {
  background: #0D2419;
  color: #7DC89A;
  border-color: #214E34;
}
.btn-primary:hover { background: #123324; }
.btn-success { background: #0f2a1a; color: #86d9a0; border-color: #2a4a3a; }
.btn-success:hover { background: #1a3a2a; }
.btn-danger { background: #2a0f0f; color: #f8a0a0; border-color: #4a2a2a; }
.btn-danger:hover { background: #3a1a1a; }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  font-size: 0.85rem;
  background: #0f0f0f;
  padding: 0.4rem 0.8rem;
  border-radius: 1rem;
  border: 1px solid #2a2a2a;
  color: #cbd5e1;
}
.stats span {
  font-weight: 600;
  color: #7DC89A;
}

.q-grid-mini {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 3px;
  max-width: 180px;
  margin: 0.5rem 0;
}
.q-grid-cell {
  background: #0f0f0f;
  border: 1px solid #2a2a2a;
  border-radius: 4px;
  padding: 3px 1px;
  font-size: 0.55rem;
  text-align: center;
  font-weight: 500;
  color: #e0e0e0;
  transition: background 0.2s;
}

/* ---------- BOTONES DE NAVEGACIÓN ---------- */
.nav-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(4px);
  border: 2px solid #214E34;
  color: #214E34;
  font-size: 1.6rem;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  user-select: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}
.nav-btn:hover {
  background: #2a2a2a;
  border-color: #7DC89A;
  color: #7DC89A;
  transform: translateY(-50%) scale(1.05);
}
.nav-btn.left { left: 1.2rem; }
.nav-btn.right { right: 1.2rem; }
@media (max-width: 600px) {
  .nav-btn { width: 36px; height: 36px; font-size: 1.2rem; }
  .nav-btn.left { left: 0.6rem; }
  .nav-btn.right { right: 0.6rem; }
  #gridCanvas { width: 280px; height: 280px; }
}

/* Indicador de páginas */
.page-indicator {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  gap: 0.6rem;
  background: rgba(15, 15, 15, 0.8);
  padding: 0.4rem 1rem;
  border-radius: 40px;
  backdrop-filter: blur(4px);
  border: 1px solid #2a2a2a;
}
.page-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  cursor: pointer;
  transition: all 0.25s;
}
.page-dot.active {
  background: #214E34;
  border-color: #214E34;
  transform: scale(1.2);
}
.page-dot:hover { background: #3a3a3a; }

/* ---------- FÓRMULAS CENTRADAS ---------- */
.eq-box {
  background: #0D2419;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  display: block;
  margin: 0.5rem auto;
  font-family: 'Courier New', monospace;
  color: #7DC89A;
  border-left: 4px solid #214E34;
  text-align: center;
  width: fit-content;
  max-width: 90%;
}

.slide-footer {
  margin-top: 2rem;
  padding-top: 0.8rem;
  border-top: 1px solid #2a2a2a;
  font-size: 0.8rem;
  color: #94a3b8;
  text-align: center;
}

.slides-wrapper { scrollbar-width: none; }
.slides-wrapper::-webkit-scrollbar { display: none; }