/* ==========================================================================
   BILIKIDS KIDS CLUB - UNIT 6: NEIGHBORHOODS (7 A 10 AÑOS)
   Tema: Places in Town, There is / There are, Prepositions of Place, Let's
   Actividades con Máxima Variedad & Personalidad:
   1. 🗺️ Interactive City Map (Navegante del Mapa de la Ciudad)
   2. 🏢 Inspector Stamp: There is vs There are (Sello del Inspector Municipal)
   3. 🧭 Preposition Compass GPS (Brújula GPS de Posiciones: next to, between)
   4. 🚌 "Let's Go!" Town Tour Guide (Guía del Autobús Turístico con Micrófono)
   ========================================================================== */

:root {
  --font-display: 'Fredoka', cursive, -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --unit6-primary: #0284c7;
  --unit6-primary-dark: #0369a1;
  --unit6-secondary: #0ea5e9;
  --unit6-accent: #f59e0b;
  --unit6-success: #10b981;
  --unit6-danger: #ef4444;

  --card-bg: #ffffff;
  --border-subtle: #e0f2fe;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --shadow-card: 0 10px 30px rgba(2, 132, 199, 0.08);
}

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

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 45%, #f8fafc 100%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navigation */
.unit-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #bae6fd;
  padding: 10px 20px;
}

.unit-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.btn-back-map {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f0f9ff;
  color: #0369a1;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #bae6fd;
  transition: all 0.2s;
}

.btn-back-map:hover {
  background: #e0f2fe;
  transform: translateX(-2px);
}

.unit-title-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.unit-tag-pill {
  background: #e0f2fe;
  color: #0369a1;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
}

.unit-name-head {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #0f172a;
}

.unit-score-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e0f2fe;
  color: #075985;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid #bae6fd;
  transition: transform 0.2s;
}

.unit-score-pill.pulse-star {
  transform: scale(1.15);
  background: #fef08a;
  color: #854d0e;
}

/* Tabs Bar */
.activity-tabs-bar {
  max-width: 1100px;
  margin: 18px auto 8px;
  padding: 0 20px;
  width: 100%;
}

.tabs-track {
  display: flex;
  gap: 8px;
  background: #ffffff;
  padding: 6px;
  border-radius: 16px;
  border: 1px solid #bae6fd;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.05);
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  min-width: 140px;
  border: none;
  background: transparent;
  padding: 10px 14px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.tab-btn:hover {
  background: #f0f9ff;
  color: #0284c7;
}

.tab-btn.active {
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.35);
}

/* Main Workspace */
.unit-workspace {
  max-width: 1100px;
  margin: 12px auto 40px;
  padding: 0 20px;
  width: 100%;
}

.activity-view {
  display: none;
  animation: fadeIn 0.3s ease;
}

.activity-view.active-view {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   ACTIVIDAD 1: INTERACTIVE CITY MAP (NAVEGANTE DEL MAPA DE LA CIUDAD)
   -------------------------------------------------------------------------- */
.city-map-container {
  background: #ffffff;
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow-card);
  border: 2px solid #bae6fd;
}

.city-mission-card {
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
  border: 2px solid #7dd3fc;
  border-radius: 20px;
  padding: 20px 24px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.city-map-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: #f8fafc;
  border: 2px dashed #93c5fd;
  border-radius: 22px;
  padding: 22px;
  position: relative;
}

@media (max-width: 768px) {
  .city-map-grid { grid-template-columns: repeat(2, 1fr); }
}

.city-place-pin {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 18px;
  padding: 16px 10px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
}

.city-place-pin:hover {
  transform: translateY(-5px) scale(1.04);
  border-color: #0284c7;
  box-shadow: 0 10px 22px rgba(2, 132, 199, 0.2);
}

.city-place-pin.correct {
  border-color: #10b981;
  background: #ecfdf5;
  animation: pulsePin 0.6s ease;
}

@keyframes pulsePin {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1.04); }
}

.city-place-pin.wrong {
  border-color: #ef4444;
  background: #fef2f2;
  animation: shakeBtn 0.35s;
}

/* --------------------------------------------------------------------------
   ACTIVIDAD 2: THERE IS / THERE ARE BUILDING INSPECTOR (SELLO MUNICIPAL)
   -------------------------------------------------------------------------- */
.inspector-container {
  background: #ffffff;
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow-card);
  border: 2px solid #bae6fd;
}

.permit-document-card {
  background: #fffbeb;
  border: 3px solid #fde68a;
  border-radius: 22px;
  padding: 28px 24px;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.08);
  position: relative;
  text-align: center;
}

.permit-official-stamp {
  position: absolute;
  top: 16px;
  right: 20px;
  border: 3px dashed #b45309;
  border-radius: 12px;
  padding: 4px 12px;
  font-family: monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: #b45309;
  text-transform: uppercase;
  transform: rotate(5deg);
}

.permit-sentence-target {
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: #0f172a;
  margin: 18px 0 6px;
  line-height: 1.4;
}

.permit-blank-slot {
  display: inline-block;
  min-width: 140px;
  padding: 4px 16px;
  background: #ffffff;
  border: 2px dashed #0284c7;
  border-radius: 10px;
  color: #0284c7;
  font-weight: 700;
}

.inspector-stamps-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn-stamp-action {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  padding: 16px 36px;
  border-radius: 18px;
  border: 3px solid;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.btn-stamp-singular {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1d4ed8;
}

.btn-stamp-singular:hover {
  background: #3b82f6;
  color: #ffffff;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 10px 24px rgba(59, 130, 246, 0.3);
}

.btn-stamp-plural {
  background: #ecfdf5;
  border-color: #10b981;
  color: #047857;
}

.btn-stamp-plural:hover {
  background: #10b981;
  color: #ffffff;
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 10px 24px rgba(16, 185, 129, 0.3);
}

/* --------------------------------------------------------------------------
   ACTIVIDAD 3: PREPOSITION COMPASS GPS (BRÚJULA GPS DE POSICIONES)
   -------------------------------------------------------------------------- */
.gps-container {
  background: #0f172a;
  color: #ffffff;
  border-radius: 24px;
  padding: 26px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.3);
  border: 2px solid #38bdf8;
}

.gps-street-view {
  background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
  border: 2px solid #0284c7;
  border-radius: 20px;
  padding: 24px;
  margin: 18px 0;
  position: relative;
  text-align: center;
}

.gps-buildings-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 18px 0;
  flex-wrap: wrap;
}

.gps-building-card {
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 14px 18px;
  min-width: 130px;
  text-align: center;
}

.gps-building-card.target-building {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.15);
  box-shadow: 0 0 18px rgba(245, 158, 11, 0.3);
}

.gps-target-prompt {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: #f8fafc;
  margin: 12px 0 4px;
}

.gps-preposition-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 18px;
}

@media (max-width: 768px) {
  .gps-preposition-grid { grid-template-columns: repeat(2, 1fr); }
}

.gps-prep-btn {
  background: #1e293b;
  border: 2px solid #475569;
  border-radius: 16px;
  padding: 14px 10px;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.gps-prep-btn:hover {
  border-color: #38bdf8;
  background: #334155;
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(56, 189, 248, 0.25);
}

.gps-prep-btn.correct {
  border-color: #10b981;
  background: rgba(16, 185, 129, 0.25);
  color: #34d399;
}

.gps-prep-btn.wrong {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.25);
  color: #f87171;
  animation: shakeBtn 0.35s;
}

/* --------------------------------------------------------------------------
   ACTIVIDAD 4: "LET'S GO!" TOWN TOUR GUIDE (GUÍA TURÍSTICO)
   -------------------------------------------------------------------------- */
.tour-container {
  background: #ffffff;
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow-card);
  border: 2px solid #bae6fd;
  text-align: center;
}

.tour-bus-card {
  background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
  border: 2px solid #93c5fd;
  border-radius: 22px;
  padding: 26px;
  margin-bottom: 22px;
}

.tour-megaph-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fef3c7;
  color: #b45309;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.tour-guide-phrase {
  font-family: var(--font-display);
  font-size: 1.65rem;
  color: #0f172a;
  margin-bottom: 6px;
  line-height: 1.35;
}

.btn-tour-mic {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #0284c7, #0ea5e9);
  color: #ffffff;
  font-size: 2.2rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.4);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-tour-mic:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 28px rgba(2, 132, 199, 0.5);
}

.btn-tour-mic.recording {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  animation: pulseMic 1.2s infinite;
}

@keyframes pulseMic {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { transform: scale(1.08); box-shadow: 0 0 0 16px rgba(239, 68, 68, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes shakeBtn {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}