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* { 
    box-sizing: border-box; 
    margin: 0; padding: 0; 
}
body { 
    font-family: 'Segoe UI', Arial, sans-serif; 
    background: #f4f6f8; 
    color: #222; 
    min-height: 100vh; 
}

/* Navigation Bar */
.navbar { 
    background: #1a237e;
    border-radius: 10px;
    color: #fff; 
    padding: 1rem 2rem; 
    display: flex; 
    align-items: center; 
    justify-content: space-between; 
}
.nav-brand { 
    font-size: 1.5rem; 
    font-weight: bold; 
    letter-spacing: 2px; 
}
.nav-links { 
    list-style: none; 
    display: flex; 
    gap: 2rem; 
}
.nav-link { 
    color: #fff; 
    text-decoration: none; 
    font-size: 1rem; 
    padding: 0.5rem 1rem; 
    border-radius: 4px; 
    transition: background 0.2s; 
}
.nav-link:hover, .nav-link.active { 
    background: #3949ab;
}
.nav-logo {
    height: 40px;
    margin-right: 1rem;
}
body {
    background: url('assets/dashboard-bg.jpg') center center/cover no-repeat fixed;
    min-height: 100vh;
}
#dashboard.page-section {
    background: transparent;
    box-shadow: none;
    padding-bottom: 2rem;
}
.page-section {
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(30,40,90,0.08);
    padding-bottom: 2rem;
}
/* Main Layout */
main { 
    max-width: 1100px; 
    margin: 2rem auto; 
    padding: 1rem; 
}
.page-section { margin-bottom: 2.5rem; }

/* Dashboard Cards */
.dashboard-cards { 
    display: flex; 
    gap: 2rem; 
    flex-wrap: wrap; 
    margin-top: 1.5rem; 
}
.card { background: #fbfcfc; 
    box-shadow: 0 2px 8px #222; 
    border-radius: 10px; 
    padding: 2rem 2.5rem; 
    font-size: 1.2rem; 
    font-weight: 500; 
    min-width: 180px; 
    text-align: center; 
    transition: transform 0.2s;
 }
.card:hover { 
    transform: translateY(-5px) scale(1.03); 
    box-shadow: 0 4px 16px rgba(30,40,90,0.12); 
}

/* Entity Forms */
.entity-form { 
    display: flex; 
    flex-wrap: wrap; 
    gap: 1rem; 
    margin-bottom: 1.5rem; 
    background: #fff; 
    padding: 1rem; 
    border-radius: 8px; 
    box-shadow: 0 1px 4px rgba(30,40,90,0.06);
 }
.entity-form input, .entity-form select { 
    padding: 0.6rem 1rem; 
    border: 1px solid #bdbdbd;
     border-radius: 5px; 
     font-size: 1rem; 
     flex: 1 1 180px; 
    }
.entity-form button {
     background: #1a237e; 
     color: #fff; 
     border: none; 
     padding: 0.7rem 1.5rem; 
     border-radius: 5px; 
     font-size: 1rem; 
     cursor: pointer; 
     transition: background 0.2s; 
    }
.entity-form button:hover { 
    background: #3949ab; 
}

/* Tables */
.entity-table { 
    width: 100%; 
    border-collapse: collapse; 
    background: #fff; 
    box-shadow: 0 1px 4px rgba(30,40,90,0.06); 
    border-radius: 8px; 
    overflow: hidden;
 }
.entity-table th, .entity-table td {
     padding: 0.9rem 1rem; 
     text-align: left; 
    }
.entity-table th { 
    background: #e8eaf6; 
    font-weight: 600;
 }
.entity-table tr { 
    border-bottom: 1px solid #e0e0e0; 
}
.entity-table tr:last-child {
     border-bottom: none;
     }
.entity-table tbody tr:hover { 
    background: #f1f3fa;
 }

/* Action Buttons */
.action-btn {
     background: #fff; 
     color: #1a237e; 
     border: 1px solid #1a237e; 
     padding: 0.4rem 1rem; 
     border-radius: 4px; 
     font-size: 0.95rem; 
     margin-right: 0.5rem; 
     cursor: pointer; 
     transition: background 0.2s, color 0.2s;
     }
.action-btn:hover { 
    background: #1a237e; 
    color: #fff; 
}

/* Responsive Design */
@media (max-width: 900px) {
  .dashboard-cards { flex-direction: column;
     gap: 1rem; 
    }
  main { padding: 0.5rem; }
}
@media (max-width: 600px) {
  .navbar { flex-direction: column; 
    align-items: flex-start; 
    gap: 0.5rem; 
}
  .nav-links { gap: 1rem;
 }
  .entity-form { 
    flex-direction: column; 
    gap: 0.7rem; }
  .dashboard-cards { flex-direction: column; gap: 0.7rem; }
  .card { padding: 1.2rem 1rem; font-size: 1rem; }
  .entity-table th, .entity-table td { padding: 0.6rem 0.5rem; font-size: 0.95rem; }
}
/* Error Styles */
input:invalid, select:invalid { border-color: #e53935; }

/* Hide number input arrows for capacity */
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; }
.nav-title-group {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-left: auto;
    margin-right: 2rem;
}
.nav-name {
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 1px;
}
.nav-title {
    color: #fff;
    font-size: 1rem;
    margin-top: 2px;
}