/* ========== CLASSROOM WRAPPER ========== */
.classroom-wrapper {
  background: linear-gradient(180deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  position: relative;
  padding-bottom: 30px;
}

/* ========== HEADER ========== */
.class-header {
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  border-bottom: 5px solid #fff;
  position: relative;
  z-index: 100;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.class-header h2 {
  font-size: 1.6rem;
  display: flex;
  gap: 10px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.parent-lock-btn {
  background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  border: none;
  color: white;
  padding: 10px 22px;
  border-radius: 40px;
  font-weight: bold;
  cursor: pointer;
  font-family: inherit;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  z-index: 101;
  transition: transform 0.2s;
}

.parent-lock-btn:hover {
  transform: scale(1.05);
}

/* ========== POINTS DISPLAY ========== */
.points-display {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  padding: 8px 20px;
  border-radius: 30px;
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.2s;
}

.points-display:hover {
  transform: scale(1.05);
}

.points-display:after {
  content: " ⭐";
  font-size: 0.9rem;
}

/* ========== CLASSROOM GRID ========== */
.classroom {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: auto;
  gap: 25px;
  padding: 30px;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
}

.class-object {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  border-radius: 30px;
  padding: 25px 15px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  border: 3px solid transparent;
  text-decoration: none;
  color: inherit;
  display: block;
}

.class-object:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 15px 35px rgba(0,0,0,0.2);
  border-color: #667eea;
}

.object-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: 10px;
}

.object-label {
  font-weight: bold;
  font-size: 1.3rem;
  color: #333;
}

/* ========== TEACHER DESK ========== */
.teacher-desk {
  grid-column: span 4;
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  border-radius: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  padding: 20px 30px;
  border: 4px solid #fff;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.teacher-avatar {
  font-size: 4.5rem;
  background: white;
  border-radius: 100px;
  padding: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.speech-bubble {
  background: white;
  border-radius: 30px;
  padding: 20px 30px;
  flex: 1.2;
  max-width: none;
  min-width: 280px;
  position: relative;
  border: 3px solid #ffecd2;
  font-size: 1.2rem;
  line-height: 1.5;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  text-align: center;
}

/* ========== WHITEBOARD ========== */
.whiteboard {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 25px;
  color: #ffffff;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
  border: 4px solid #4a5b2e;
  margin: 0 auto;
  max-width: 900px;
}

.whiteboard h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.whiteboard p {
  font-size: 1.3rem;
  font-weight: bold;
  margin: 10px 0;
  color: #fff;
}

.goal-details {
  background: rgba(255,255,255,0.15);
  padding: 15px;
  border-radius: 15px;
  margin-top: 15px;
}

.goal-details ul {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

.goal-details li {
  padding: 5px 0;
  font-size: 1.1rem;
  color: #fff;
}

.goal-details li:before {
  content: "✓ ";
  color: #4ecdc4;
  font-weight: bold;
  margin-right: 8px;
}

/* ========== PROGRESS BAR ========== */
.progress-container {
  margin-top: 15px;
}

.progress-mini {
  background: rgba(255,255,255,0.3);
  border-radius: 30px;
  height: 20px;
  width: 100%;
  overflow: hidden;
}

.progress-mini #miniProgress {
  background: linear-gradient(90deg, #4ecdc4 0%, #44a08d 100%);
  height: 100%;
  border-radius: 30px;
  transition: width 0.5s ease;
}

#progressPercent {
  font-size: 1.1rem;
  margin-top: 8px;
  font-weight: bold;
  color: #fff;
}

/* ========== REWARD BANNER & ACHIEVEMENTS ========== */
.reward-banner {
  background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
  color: white;
  padding: 15px 25px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  animation: pulse 2s infinite;
  margin: 20px auto;
  max-width: 1100px;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.reward-banner h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.achievements {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px auto;
  max-width: 1100px;
}

.achievement {
  background: white;
  border-radius: 15px;
  padding: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  min-width: 120px;
}

.achievement .emoji {
  font-size: 3rem;
  margin-bottom: 8px;
}

.achievement .name {
  font-weight: bold;
  font-size: 0.9rem;
  color: #333;
}

.achievement .points {
  color: #667eea;
  font-weight: bold;
  font-size: 0.85rem;
}

.achievement.locked {
  opacity: 0.4;
  filter: grayscale(100%);
}