/* GymPro Manager - Professional Theme */
:root {
  --gym-primary: #1e3a8a; /* Deep blue */
  --gym-secondary: #10b981; /* Green */
  --gym-accent: #f59e0b; /* Gold */
  --gym-bg: #f8fafc;
}

body {
  background: linear-gradient(135deg, var(--gym-bg) 0%, #e2e8f0 100%);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
}

.navbar {
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.card {
  border: none;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.btn-primary {
  background: linear-gradient(45deg, var(--gym-primary), var(--gym-secondary));
  border: none;
  border-radius: 25px;
  padding: 10px 25px;
  font-weight: 600;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 58, 138, 0.4);
}

.stat-card {
  background: linear-gradient(135deg, var(--gym-primary), #3b82f6);
  color: white;
  text-align: center;
  padding: 2rem;
}

.stat-card .h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

.table {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.table th {
  background: var(--gym-primary);
  color: white;
  border: none;
}

.form-control,
.form-select {
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  padding: 12px;
  transition: all 0.3s;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--gym-secondary);
  box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.25);
}

.alert {
  border-radius: 10px;
  border: none;
}

#profitChart {
  background: white;
  border-radius: 15px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
  .stat-card .h2 {
    font-size: 2rem;
  }
  .container {
    padding: 0 15px;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card,
.stat-card {
  animation: fadeInUp 0.6s ease-out;
}